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| -rw-r--r-- | themes/default/js/plugins/jquery.dataTables.js | 12099 |
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diff --git a/themes/default/js/plugins/jquery.dataTables.js b/themes/default/js/plugins/jquery.dataTables.js new file mode 100644 index 000000000..1d8a220ba --- /dev/null +++ b/themes/default/js/plugins/jquery.dataTables.js @@ -0,0 +1,12099 @@ +/** + * @summary DataTables + * @description Paginate, search and sort HTML tables + * @version 1.9.4 + * @file jquery.dataTables.js + * @author Allan Jardine (www.sprymedia.co.uk) + * @contact www.sprymedia.co.uk/contact + * + * @copyright Copyright 2008-2012 Allan Jardine, all rights reserved. + * + * This source file is free software, under either the GPL v2 license or a + * BSD style license, available at: + * http://datatables.net/license_gpl2 + * http://datatables.net/license_bsd + * + * This source file is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details. + * + * For details please refer to: http://www.datatables.net + */ + +/*jslint evil: true, undef: true, browser: true */ +/*globals $, jQuery,define,_fnExternApiFunc,_fnInitialise,_fnInitComplete,_fnLanguageCompat,_fnAddColumn,_fnColumnOptions,_fnAddData,_fnCreateTr,_fnGatherData,_fnBuildHead,_fnDrawHead,_fnDraw,_fnReDraw,_fnAjaxUpdate,_fnAjaxParameters,_fnAjaxUpdateDraw,_fnServerParams,_fnAddOptionsHtml,_fnFeatureHtmlTable,_fnScrollDraw,_fnAdjustColumnSizing,_fnFeatureHtmlFilter,_fnFilterComplete,_fnFilterCustom,_fnFilterColumn,_fnFilter,_fnBuildSearchArray,_fnBuildSearchRow,_fnFilterCreateSearch,_fnDataToSearch,_fnSort,_fnSortAttachListener,_fnSortingClasses,_fnFeatureHtmlPaginate,_fnPageChange,_fnFeatureHtmlInfo,_fnUpdateInfo,_fnFeatureHtmlLength,_fnFeatureHtmlProcessing,_fnProcessingDisplay,_fnVisibleToColumnIndex,_fnColumnIndexToVisible,_fnNodeToDataIndex,_fnVisbleColumns,_fnCalculateEnd,_fnConvertToWidth,_fnCalculateColumnWidths,_fnScrollingWidthAdjust,_fnGetWidestNode,_fnGetMaxLenString,_fnStringToCss,_fnDetectType,_fnSettingsFromNode,_fnGetDataMaster,_fnGetTrNodes,_fnGetTdNodes,_fnEscapeRegex,_fnDeleteIndex,_fnReOrderIndex,_fnColumnOrdering,_fnLog,_fnClearTable,_fnSaveState,_fnLoadState,_fnCreateCookie,_fnReadCookie,_fnDetectHeader,_fnGetUniqueThs,_fnScrollBarWidth,_fnApplyToChildren,_fnMap,_fnGetRowData,_fnGetCellData,_fnSetCellData,_fnGetObjectDataFn,_fnSetObjectDataFn,_fnApplyColumnDefs,_fnBindAction,_fnCallbackReg,_fnCallbackFire,_fnJsonString,_fnRender,_fnNodeToColumnIndex,_fnInfoMacros,_fnBrowserDetect,_fnGetColumns*/ + +(/** @lends <global> */function( window, document, undefined ) { + +(function( factory ) { + "use strict"; + + // Define as an AMD module if possible + if ( typeof define === 'function' && define.amd ) + { + define( ['jquery'], factory ); + } + /* Define using browser globals otherwise + * Prevent multiple instantiations if the script is loaded twice + */ + else if ( jQuery && !jQuery.fn.dataTable ) + { + factory( jQuery ); + } +} +(/** @lends <global> */function( $ ) { + "use strict"; + /** + * DataTables is a plug-in for the jQuery Javascript library. It is a + * highly flexible tool, based upon the foundations of progressive + * enhancement, which will add advanced interaction controls to any + * HTML table. For a full list of features please refer to + * <a href="http://datatables.net">DataTables.net</a>. + * + * Note that the <i>DataTable</i> object is not a global variable but is + * aliased to <i>jQuery.fn.DataTable</i> and <i>jQuery.fn.dataTable</i> through which + * it may be accessed. + * + * @class + * @param {object} [oInit={}] Configuration object for DataTables. Options + * are defined by {@link DataTable.defaults} + * @requires jQuery 1.3+ + * + * @example + * // Basic initialisation + * $(document).ready( function { + * $('#example').dataTable(); + * } ); + * + * @example + * // Initialisation with configuration options - in this case, disable + * // pagination and sorting. + * $(document).ready( function { + * $('#example').dataTable( { + * "bPaginate": false, + * "bSort": false + * } ); + * } ); + */ + var DataTable = function( oInit ) + { + + + /** + * Add a column to the list used for the table with default values + * @param {object} oSettings dataTables settings object + * @param {node} nTh The th element for this column + * @memberof DataTable#oApi + */ + function _fnAddColumn( oSettings, nTh ) + { + var oDefaults = DataTable.defaults.columns; + var iCol = oSettings.aoColumns.length; + var oCol = $.extend( {}, DataTable.models.oColumn, oDefaults, { + "sSortingClass": oSettings.oClasses.sSortable, + "sSortingClassJUI": oSettings.oClasses.sSortJUI, + "nTh": nTh ? nTh : document.createElement('th'), + "sTitle": oDefaults.sTitle ? oDefaults.sTitle : nTh ? nTh.innerHTML : '', + "aDataSort": oDefaults.aDataSort ? oDefaults.aDataSort : [iCol], + "mData": oDefaults.mData ? oDefaults.oDefaults : iCol + } ); + oSettings.aoColumns.push( oCol ); + + /* Add a column specific filter */ + if ( oSettings.aoPreSearchCols[ iCol ] === undefined || oSettings.aoPreSearchCols[ iCol ] === null ) + { + oSettings.aoPreSearchCols[ iCol ] = $.extend( {}, DataTable.models.oSearch ); + } + else + { + var oPre = oSettings.aoPreSearchCols[ iCol ]; + + /* Don't require that the user must specify bRegex, bSmart or bCaseInsensitive */ + if ( oPre.bRegex === undefined ) + { + oPre.bRegex = true; + } + + if ( oPre.bSmart === undefined ) + { + oPre.bSmart = true; + } + + if ( oPre.bCaseInsensitive === undefined ) + { + oPre.bCaseInsensitive = true; + } + } + + /* Use the column options function to initialise classes etc */ + _fnColumnOptions( oSettings, iCol, null ); + } + + + /** + * Apply options for a column + * @param {object} oSettings dataTables settings object + * @param {int} iCol column index to consider + * @param {object} oOptions object with sType, bVisible and bSearchable etc + * @memberof DataTable#oApi + */ + function _fnColumnOptions( oSettings, iCol, oOptions ) + { + var oCol = oSettings.aoColumns[ iCol ]; + + /* User specified column options */ + if ( oOptions !== undefined && oOptions !== null ) + { + /* Backwards compatibility for mDataProp */ + if ( oOptions.mDataProp && !oOptions.mData ) + { + oOptions.mData = oOptions.mDataProp; + } + + if ( oOptions.sType !== undefined ) + { + oCol.sType = oOptions.sType; + oCol._bAutoType = false; + } + + $.extend( oCol, oOptions ); + _fnMap( oCol, oOptions, "sWidth", "sWidthOrig" ); + + /* iDataSort to be applied (backwards compatibility), but aDataSort will take + * priority if defined + */ + if ( oOptions.iDataSort !== undefined ) + { + oCol.aDataSort = [ oOptions.iDataSort ]; + } + _fnMap( oCol, oOptions, "aDataSort" ); + } + + /* Cache the data get and set functions for speed */ + var mRender = oCol.mRender ? _fnGetObjectDataFn( oCol.mRender ) : null; + var mData = _fnGetObjectDataFn( oCol.mData ); + + oCol.fnGetData = function (oData, sSpecific) { + var innerData = mData( oData, sSpecific ); + + if ( oCol.mRender && (sSpecific && sSpecific !== '') ) + { + return mRender( innerData, sSpecific, oData ); + } + return innerData; + }; + oCol.fnSetData = _fnSetObjectDataFn( oCol.mData ); + + /* Feature sorting overrides column specific when off */ + if ( !oSettings.oFeatures.bSort ) + { + oCol.bSortable = false; + } + + /* Check that the class assignment is correct for sorting */ + if ( !oCol.bSortable || + ($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) ) + { + oCol.sSortingClass = oSettings.oClasses.sSortableNone; + oCol.sSortingClassJUI = ""; + } + else if ( $.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1 ) + { + oCol.sSortingClass = oSettings.oClasses.sSortable; + oCol.sSortingClassJUI = oSettings.oClasses.sSortJUI; + } + else if ( $.inArray('asc', oCol.asSorting) != -1 && $.inArray('desc', oCol.asSorting) == -1 ) + { + oCol.sSortingClass = oSettings.oClasses.sSortableAsc; + oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIAscAllowed; + } + else if ( $.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) != -1 ) + { + oCol.sSortingClass = oSettings.oClasses.sSortableDesc; + oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIDescAllowed; + } + } + + + /** + * Adjust the table column widths for new data. Note: you would probably want to + * do a redraw after calling this function! + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnAdjustColumnSizing ( oSettings ) + { + /* Not interested in doing column width calculation if auto-width is disabled */ + if ( oSettings.oFeatures.bAutoWidth === false ) + { + return false; + } + + _fnCalculateColumnWidths( oSettings ); + for ( var i=0 , iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + oSettings.aoColumns[i].nTh.style.width = oSettings.aoColumns[i].sWidth; + } + } + + + /** + * Covert the index of a visible column to the index in the data array (take account + * of hidden columns) + * @param {object} oSettings dataTables settings object + * @param {int} iMatch Visible column index to lookup + * @returns {int} i the data index + * @memberof DataTable#oApi + */ + function _fnVisibleToColumnIndex( oSettings, iMatch ) + { + var aiVis = _fnGetColumns( oSettings, 'bVisible' ); + + return typeof aiVis[iMatch] === 'number' ? + aiVis[iMatch] : + null; + } + + + /** + * Covert the index of an index in the data array and convert it to the visible + * column index (take account of hidden columns) + * @param {int} iMatch Column index to lookup + * @param {object} oSettings dataTables settings object + * @returns {int} i the data index + * @memberof DataTable#oApi + */ + function _fnColumnIndexToVisible( oSettings, iMatch ) + { + var aiVis = _fnGetColumns( oSettings, 'bVisible' ); + var iPos = $.inArray( iMatch, aiVis ); + + return iPos !== -1 ? iPos : null; + } + + + /** + * Get the number of visible columns + * @param {object} oSettings dataTables settings object + * @returns {int} i the number of visible columns + * @memberof DataTable#oApi + */ + function _fnVisbleColumns( oSettings ) + { + return _fnGetColumns( oSettings, 'bVisible' ).length; + } + + + /** + * Get an array of column indexes that match a given property + * @param {object} oSettings dataTables settings object + * @param {string} sParam Parameter in aoColumns to look for - typically + * bVisible or bSearchable + * @returns {array} Array of indexes with matched properties + * @memberof DataTable#oApi + */ + function _fnGetColumns( oSettings, sParam ) + { + var a = []; + + $.map( oSettings.aoColumns, function(val, i) { + if ( val[sParam] ) { + a.push( i ); + } + } ); + + return a; + } + + + /** + * Get the sort type based on an input string + * @param {string} sData data we wish to know the type of + * @returns {string} type (defaults to 'string' if no type can be detected) + * @memberof DataTable#oApi + */ + function _fnDetectType( sData ) + { + var aTypes = DataTable.ext.aTypes; + var iLen = aTypes.length; + + for ( var i=0 ; i<iLen ; i++ ) + { + var sType = aTypes[i]( sData ); + if ( sType !== null ) + { + return sType; + } + } + + return 'string'; + } + + + /** + * Figure out how to reorder a display list + * @param {object} oSettings dataTables settings object + * @returns array {int} aiReturn index list for reordering + * @memberof DataTable#oApi + */ + function _fnReOrderIndex ( oSettings, sColumns ) + { + var aColumns = sColumns.split(','); + var aiReturn = []; + + for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + for ( var j=0 ; j<iLen ; j++ ) + { + if ( oSettings.aoColumns[i].sName == aColumns[j] ) + { + aiReturn.push( j ); + break; + } + } + } + + return aiReturn; + } + + + /** + * Get the column ordering that DataTables expects + * @param {object} oSettings dataTables settings object + * @returns {string} comma separated list of names + * @memberof DataTable#oApi + */ + function _fnColumnOrdering ( oSettings ) + { + var sNames = ''; + for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + sNames += oSettings.aoColumns[i].sName+','; + } + if ( sNames.length == iLen ) + { + return ""; + } + return sNames.slice(0, -1); + } + + + /** + * Take the column definitions and static columns arrays and calculate how + * they relate to column indexes. The callback function will then apply the + * definition found for a column to a suitable configuration object. + * @param {object} oSettings dataTables settings object + * @param {array} aoColDefs The aoColumnDefs array that is to be applied + * @param {array} aoCols The aoColumns array that defines columns individually + * @param {function} fn Callback function - takes two parameters, the calculated + * column index and the definition for that column. + * @memberof DataTable#oApi + */ + function _fnApplyColumnDefs( oSettings, aoColDefs, aoCols, fn ) + { + var i, iLen, j, jLen, k, kLen; + + // Column definitions with aTargets + if ( aoColDefs ) + { + /* Loop over the definitions array - loop in reverse so first instance has priority */ + for ( i=aoColDefs.length-1 ; i>=0 ; i-- ) + { + /* Each definition can target multiple columns, as it is an array */ + var aTargets = aoColDefs[i].aTargets; + if ( !$.isArray( aTargets ) ) + { + _fnLog( oSettings, 1, 'aTargets must be an array of targets, not a '+(typeof aTargets) ); + } + + for ( j=0, jLen=aTargets.length ; j<jLen ; j++ ) + { + if ( typeof aTargets[j] === 'number' && aTargets[j] >= 0 ) + { + /* Add columns that we don't yet know about */ + while( oSettings.aoColumns.length <= aTargets[j] ) + { + _fnAddColumn( oSettings ); + } + + /* Integer, basic index */ + fn( aTargets[j], aoColDefs[i] ); + } + else if ( typeof aTargets[j] === 'number' && aTargets[j] < 0 ) + { + /* Negative integer, right to left column counting */ + fn( oSettings.aoColumns.length+aTargets[j], aoColDefs[i] ); + } + else if ( typeof aTargets[j] === 'string' ) + { + /* Class name matching on TH element */ + for ( k=0, kLen=oSettings.aoColumns.length ; k<kLen ; k++ ) + { + if ( aTargets[j] == "_all" || + $(oSettings.aoColumns[k].nTh).hasClass( aTargets[j] ) ) + { + fn( k, aoColDefs[i] ); + } + } + } + } + } + } + + // Statically defined columns array + if ( aoCols ) + { + for ( i=0, iLen=aoCols.length ; i<iLen ; i++ ) + { + fn( i, aoCols[i] ); + } + } + } + + /** + * Add a data array to the table, creating DOM node etc. This is the parallel to + * _fnGatherData, but for adding rows from a Javascript source, rather than a + * DOM source. + * @param {object} oSettings dataTables settings object + * @param {array} aData data array to be added + * @returns {int} >=0 if successful (index of new aoData entry), -1 if failed + * @memberof DataTable#oApi + */ + function _fnAddData ( oSettings, aDataSupplied ) + { + var oCol; + + /* Take an independent copy of the data source so we can bash it about as we wish */ + var aDataIn = ($.isArray(aDataSupplied)) ? + aDataSupplied.slice() : + $.extend( true, {}, aDataSupplied ); + + /* Create the object for storing information about this new row */ + var iRow = oSettings.aoData.length; + var oData = $.extend( true, {}, DataTable.models.oRow ); + oData._aData = aDataIn; + oSettings.aoData.push( oData ); + + /* Create the cells */ + var nTd, sThisType; + for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + oCol = oSettings.aoColumns[i]; + + /* Use rendered data for filtering / sorting */ + if ( typeof oCol.fnRender === 'function' && oCol.bUseRendered && oCol.mData !== null ) + { + _fnSetCellData( oSettings, iRow, i, _fnRender(oSettings, iRow, i) ); + } + else + { + _fnSetCellData( oSettings, iRow, i, _fnGetCellData( oSettings, iRow, i ) ); + } + + /* See if we should auto-detect the column type */ + if ( oCol._bAutoType && oCol.sType != 'string' ) + { + /* Attempt to auto detect the type - same as _fnGatherData() */ + var sVarType = _fnGetCellData( oSettings, iRow, i, 'type' ); + if ( sVarType !== null && sVarType !== '' ) + { + sThisType = _fnDetectType( sVarType ); + if ( oCol.sType === null ) + { + oCol.sType = sThisType; + } + else if ( oCol.sType != sThisType && oCol.sType != "html" ) + { + /* String is always the 'fallback' option */ + oCol.sType = 'string'; + } + } + } + } + + /* Add to the display array */ + oSettings.aiDisplayMaster.push( iRow ); + + /* Create the DOM information */ + if ( !oSettings.oFeatures.bDeferRender ) + { + _fnCreateTr( oSettings, iRow ); + } + + return iRow; + } + + + /** + * Read in the data from the target table from the DOM + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnGatherData( oSettings ) + { + var iLoop, i, iLen, j, jLen, jInner, + nTds, nTrs, nTd, nTr, aLocalData, iThisIndex, + iRow, iRows, iColumn, iColumns, sNodeName, + oCol, oData; + + /* + * Process by row first + * Add the data object for the whole table - storing the tr node. Note - no point in getting + * DOM based data if we are going to go and replace it with Ajax source data. + */ + if ( oSettings.bDeferLoading || oSettings.sAjaxSource === null ) + { + nTr = oSettings.nTBody.firstChild; + while ( nTr ) + { + if ( nTr.nodeName.toUpperCase() == "TR" ) + { + iThisIndex = oSettings.aoData.length; + nTr._DT_RowIndex = iThisIndex; + oSettings.aoData.push( $.extend( true, {}, DataTable.models.oRow, { + "nTr": nTr + } ) ); + + oSettings.aiDisplayMaster.push( iThisIndex ); + nTd = nTr.firstChild; + jInner = 0; + while ( nTd ) + { + sNodeName = nTd.nodeName.toUpperCase(); + if ( sNodeName == "TD" || sNodeName == "TH" ) + { + _fnSetCellData( oSettings, iThisIndex, jInner, $.trim(nTd.innerHTML) ); + jInner++; + } + nTd = nTd.nextSibling; + } + } + nTr = nTr.nextSibling; + } + } + + /* Gather in the TD elements of the Table - note that this is basically the same as + * fnGetTdNodes, but that function takes account of hidden columns, which we haven't yet + * setup! + */ + nTrs = _fnGetTrNodes( oSettings ); + nTds = []; + for ( i=0, iLen=nTrs.length ; i<iLen ; i++ ) + { + nTd = nTrs[i].firstChild; + while ( nTd ) + { + sNodeName = nTd.nodeName.toUpperCase(); + if ( sNodeName == "TD" || sNodeName == "TH" ) + { + nTds.push( nTd ); + } + nTd = nTd.nextSibling; + } + } + + /* Now process by column */ + for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ ) + { + oCol = oSettings.aoColumns[iColumn]; + + /* Get the title of the column - unless there is a user set one */ + if ( oCol.sTitle === null ) + { + oCol.sTitle = oCol.nTh.innerHTML; + } + + var + bAutoType = oCol._bAutoType, + bRender = typeof oCol.fnRender === 'function', + bClass = oCol.sClass !== null, + bVisible = oCol.bVisible, + nCell, sThisType, sRendered, sValType; + + /* A single loop to rule them all (and be more efficient) */ + if ( bAutoType || bRender || bClass || !bVisible ) + { + for ( iRow=0, iRows=oSettings.aoData.length ; iRow<iRows ; iRow++ ) + { + oData = oSettings.aoData[iRow]; + nCell = nTds[ (iRow*iColumns) + iColumn ]; + + /* Type detection */ + if ( bAutoType && oCol.sType != 'string' ) + { + sValType = _fnGetCellData( oSettings, iRow, iColumn, 'type' ); + if ( sValType !== '' ) + { + sThisType = _fnDetectType( sValType ); + if ( oCol.sType === null ) + { + oCol.sType = sThisType; + } + else if ( oCol.sType != sThisType && + oCol.sType != "html" ) + { + /* String is always the 'fallback' option */ + oCol.sType = 'string'; + } + } + } + + if ( oCol.mRender ) + { + // mRender has been defined, so we need to get the value and set it + nCell.innerHTML = _fnGetCellData( oSettings, iRow, iColumn, 'display' ); + } + else if ( oCol.mData !== iColumn ) + { + // If mData is not the same as the column number, then we need to + // get the dev set value. If it is the column, no point in wasting + // time setting the value that is already there! + nCell.innerHTML = _fnGetCellData( oSettings, iRow, iColumn, 'display' ); + } + + /* Rendering */ + if ( bRender ) + { + sRendered = _fnRender( oSettings, iRow, iColumn ); + nCell.innerHTML = sRendered; + if ( oCol.bUseRendered ) + { + /* Use the rendered data for filtering / sorting */ + _fnSetCellData( oSettings, iRow, iColumn, sRendered ); + } + } + + /* Classes */ + if ( bClass ) + { + nCell.className += ' '+oCol.sClass; + } + + /* Column visibility */ + if ( !bVisible ) + { + oData._anHidden[iColumn] = nCell; + nCell.parentNode.removeChild( nCell ); + } + else + { + oData._anHidden[iColumn] = null; + } + + if ( oCol.fnCreatedCell ) + { + oCol.fnCreatedCell.call( oSettings.oInstance, + nCell, _fnGetCellData( oSettings, iRow, iColumn, 'display' ), oData._aData, iRow, iColumn + ); + } + } + } + } + + /* Row created callbacks */ + if ( oSettings.aoRowCreatedCallback.length !== 0 ) + { + for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ ) + { + oData = oSettings.aoData[i]; + _fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, i] ); + } + } + } + + + /** + * Take a TR element and convert it to an index in aoData + * @param {object} oSettings dataTables settings object + * @param {node} n the TR element to find + * @returns {int} index if the node is found, null if not + * @memberof DataTable#oApi + */ + function _fnNodeToDataIndex( oSettings, n ) + { + return (n._DT_RowIndex!==undefined) ? n._DT_RowIndex : null; + } + + + /** + * Take a TD element and convert it into a column data index (not the visible index) + * @param {object} oSettings dataTables settings object + * @param {int} iRow The row number the TD/TH can be found in + * @param {node} n The TD/TH element to find + * @returns {int} index if the node is found, -1 if not + * @memberof DataTable#oApi + */ + function _fnNodeToColumnIndex( oSettings, iRow, n ) + { + var anCells = _fnGetTdNodes( oSettings, iRow ); + + for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + if ( anCells[i] === n ) + { + return i; + } + } + return -1; + } + + + /** + * Get an array of data for a given row from the internal data cache + * @param {object} oSettings dataTables settings object + * @param {int} iRow aoData row id + * @param {string} sSpecific data get type ('type' 'filter' 'sort') + * @param {array} aiColumns Array of column indexes to get data from + * @returns {array} Data array + * @memberof DataTable#oApi + */ + function _fnGetRowData( oSettings, iRow, sSpecific, aiColumns ) + { + var out = []; + for ( var i=0, iLen=aiColumns.length ; i<iLen ; i++ ) + { + out.push( _fnGetCellData( oSettings, iRow, aiColumns[i], sSpecific ) ); + } + return out; + } + + + /** + * Get the data for a given cell from the internal cache, taking into account data mapping + * @param {object} oSettings dataTables settings object + * @param {int} iRow aoData row id + * @param {int} iCol Column index + * @param {string} sSpecific data get type ('display', 'type' 'filter' 'sort') + * @returns {*} Cell data + * @memberof DataTable#oApi + */ + function _fnGetCellData( oSettings, iRow, iCol, sSpecific ) + { + var sData; + var oCol = oSettings.aoColumns[iCol]; + var oData = oSettings.aoData[iRow]._aData; + + if ( (sData=oCol.fnGetData( oData, sSpecific )) === undefined ) + { + if ( oSettings.iDrawError != oSettings.iDraw && oCol.sDefaultContent === null ) + { + _fnLog( oSettings, 0, "Requested unknown parameter "+ + (typeof oCol.mData=='function' ? '{mData function}' : "'"+oCol.mData+"'")+ + " from the data source for row "+iRow ); + oSettings.iDrawError = oSettings.iDraw; + } + return oCol.sDefaultContent; + } + + /* When the data source is null, we can use default column data */ + if ( sData === null && oCol.sDefaultContent !== null ) + { + sData = oCol.sDefaultContent; + } + else if ( typeof sData === 'function' ) + { + /* If the data source is a function, then we run it and use the return */ + return sData(); + } + + if ( sSpecific == 'display' && sData === null ) + { + return ''; + } + return sData; + } + + + /** + * Set the value for a specific cell, into the internal data cache + * @param {object} oSettings dataTables settings object + * @param {int} iRow aoData row id + * @param {int} iCol Column index + * @param {*} val Value to set + * @memberof DataTable#oApi + */ + function _fnSetCellData( oSettings, iRow, iCol, val ) + { + var oCol = oSettings.aoColumns[iCol]; + var oData = oSettings.aoData[iRow]._aData; + + oCol.fnSetData( oData, val ); + } + + + // Private variable that is used to match array syntax in the data property object + var __reArray = /\[.*?\]$/; + + /** + * Return a function that can be used to get data from a source object, taking + * into account the ability to use nested objects as a source + * @param {string|int|function} mSource The data source for the object + * @returns {function} Data get function + * @memberof DataTable#oApi + */ + function _fnGetObjectDataFn( mSource ) + { + if ( mSource === null ) + { + /* Give an empty string for rendering / sorting etc */ + return function (data, type) { + return null; + }; + } + else if ( typeof mSource === 'function' ) + { + return function (data, type, extra) { + return mSource( data, type, extra ); + }; + } + else if ( typeof mSource === 'string' && (mSource.indexOf('.') !== -1 || mSource.indexOf('[') !== -1) ) + { + /* If there is a . in the source string then the data source is in a + * nested object so we loop over the data for each level to get the next + * level down. On each loop we test for undefined, and if found immediately + * return. This allows entire objects to be missing and sDefaultContent to + * be used if defined, rather than throwing an error + */ + var fetchData = function (data, type, src) { + var a = src.split('.'); + var arrayNotation, out, innerSrc; + + if ( src !== "" ) + { + for ( var i=0, iLen=a.length ; i<iLen ; i++ ) + { + // Check if we are dealing with an array notation request + arrayNotation = a[i].match(__reArray); + + if ( arrayNotation ) { + a[i] = a[i].replace(__reArray, ''); + + // Condition allows simply [] to be passed in + if ( a[i] !== "" ) { + data = data[ a[i] ]; + } + out = []; + + // Get the remainder of the nested object to get + a.splice( 0, i+1 ); + innerSrc = a.join('.'); + + // Traverse each entry in the array getting the properties requested + for ( var j=0, jLen=data.length ; j<jLen ; j++ ) { + out.push( fetchData( data[j], type, innerSrc ) ); + } + + // If a string is given in between the array notation indicators, that + // is used to join the strings together, otherwise an array is returned + var join = arrayNotation[0].substring(1, arrayNotation[0].length-1); + data = (join==="") ? out : out.join(join); + + // The inner call to fetchData has already traversed through the remainder + // of the source requested, so we exit from the loop + break; + } + + if ( data === null || data[ a[i] ] === undefined ) + { + return undefined; + } + data = data[ a[i] ]; + } + } + + return data; + }; + + return function (data, type) { + return fetchData( data, type, mSource ); + }; + } + else + { + /* Array or flat object mapping */ + return function (data, type) { + return data[mSource]; + }; + } + } + + + /** + * Return a function that can be used to set data from a source object, taking + * into account the ability to use nested objects as a source + * @param {string|int|function} mSource The data source for the object + * @returns {function} Data set function + * @memberof DataTable#oApi + */ + function _fnSetObjectDataFn( mSource ) + { + if ( mSource === null ) + { + /* Nothing to do when the data source is null */ + return function (data, val) {}; + } + else if ( typeof mSource === 'function' ) + { + return function (data, val) { + mSource( data, 'set', val ); + }; + } + else if ( typeof mSource === 'string' && (mSource.indexOf('.') !== -1 || mSource.indexOf('[') !== -1) ) + { + /* Like the get, we need to get data from a nested object */ + var setData = function (data, val, src) { + var a = src.split('.'), b; + var arrayNotation, o, innerSrc; + + for ( var i=0, iLen=a.length-1 ; i<iLen ; i++ ) + { + // Check if we are dealing with an array notation request + arrayNotation = a[i].match(__reArray); + + if ( arrayNotation ) + { + a[i] = a[i].replace(__reArray, ''); + data[ a[i] ] = []; + + // Get the remainder of the nested object to set so we can recurse + b = a.slice(); + b.splice( 0, i+1 ); + innerSrc = b.join('.'); + + // Traverse each entry in the array setting the properties requested + for ( var j=0, jLen=val.length ; j<jLen ; j++ ) + { + o = {}; + setData( o, val[j], innerSrc ); + data[ a[i] ].push( o ); + } + + // The inner call to setData has already traversed through the remainder + // of the source and has set the data, thus we can exit here + return; + } + + // If the nested object doesn't currently exist - since we are + // trying to set the value - create it + if ( data[ a[i] ] === null || data[ a[i] ] === undefined ) + { + data[ a[i] ] = {}; + } + data = data[ a[i] ]; + } + + // If array notation is used, we just want to strip it and use the property name + // and assign the value. If it isn't used, then we get the result we want anyway + data[ a[a.length-1].replace(__reArray, '') ] = val; + }; + + return function (data, val) { + return setData( data, val, mSource ); + }; + } + else + { + /* Array or flat object mapping */ + return function (data, val) { + data[mSource] = val; + }; + } + } + + + /** + * Return an array with the full table data + * @param {object} oSettings dataTables settings object + * @returns array {array} aData Master data array + * @memberof DataTable#oApi + */ + function _fnGetDataMaster ( oSettings ) + { + var aData = []; + var iLen = oSettings.aoData.length; + for ( var i=0 ; i<iLen; i++ ) + { + aData.push( oSettings.aoData[i]._aData ); + } + return aData; + } + + + /** + * Nuke the table + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnClearTable( oSettings ) + { + oSettings.aoData.splice( 0, oSettings.aoData.length ); + oSettings.aiDisplayMaster.splice( 0, oSettings.aiDisplayMaster.length ); + oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length ); + _fnCalculateEnd( oSettings ); + } + + + /** + * Take an array of integers (index array) and remove a target integer (value - not + * the key!) + * @param {array} a Index array to target + * @param {int} iTarget value to find + * @memberof DataTable#oApi + */ + function _fnDeleteIndex( a, iTarget ) + { + var iTargetIndex = -1; + + for ( var i=0, iLen=a.length ; i<iLen ; i++ ) + { + if ( a[i] == iTarget ) + { + iTargetIndex = i; + } + else if ( a[i] > iTarget ) + { + a[i]--; + } + } + + if ( iTargetIndex != -1 ) + { + a.splice( iTargetIndex, 1 ); + } + } + + + /** + * Call the developer defined fnRender function for a given cell (row/column) with + * the required parameters and return the result. + * @param {object} oSettings dataTables settings object + * @param {int} iRow aoData index for the row + * @param {int} iCol aoColumns index for the column + * @returns {*} Return of the developer's fnRender function + * @memberof DataTable#oApi + */ + function _fnRender( oSettings, iRow, iCol ) + { + var oCol = oSettings.aoColumns[iCol]; + + return oCol.fnRender( { + "iDataRow": iRow, + "iDataColumn": iCol, + "oSettings": oSettings, + "aData": oSettings.aoData[iRow]._aData, + "mDataProp": oCol.mData + }, _fnGetCellData(oSettings, iRow, iCol, 'display') ); + } + /** + * Create a new TR element (and it's TD children) for a row + * @param {object} oSettings dataTables settings object + * @param {int} iRow Row to consider + * @memberof DataTable#oApi + */ + function _fnCreateTr ( oSettings, iRow ) + { + var oData = oSettings.aoData[iRow]; + var nTd; + + if ( oData.nTr === null ) + { + oData.nTr = document.createElement('tr'); + + /* Use a private property on the node to allow reserve mapping from the node + * to the aoData array for fast look up + */ + oData.nTr._DT_RowIndex = iRow; + + /* Special parameters can be given by the data source to be used on the row */ + if ( oData._aData.DT_RowId ) + { + oData.nTr.id = oData._aData.DT_RowId; + } + + if ( oData._aData.DT_RowClass ) + { + oData.nTr.className = oData._aData.DT_RowClass; + } + + /* Process each column */ + for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + var oCol = oSettings.aoColumns[i]; + nTd = document.createElement( oCol.sCellType ); + + /* Render if needed - if bUseRendered is true then we already have the rendered + * value in the data source - so can just use that + */ + nTd.innerHTML = (typeof oCol.fnRender === 'function' && (!oCol.bUseRendered || oCol.mData === null)) ? + _fnRender( oSettings, iRow, i ) : + _fnGetCellData( oSettings, iRow, i, 'display' ); + + /* Add user defined class */ + if ( oCol.sClass !== null ) + { + nTd.className = oCol.sClass; + } + + if ( oCol.bVisible ) + { + oData.nTr.appendChild( nTd ); + oData._anHidden[i] = null; + } + else + { + oData._anHidden[i] = nTd; + } + + if ( oCol.fnCreatedCell ) + { + oCol.fnCreatedCell.call( oSettings.oInstance, + nTd, _fnGetCellData( oSettings, iRow, i, 'display' ), oData._aData, iRow, i + ); + } + } + + _fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, iRow] ); + } + } + + + /** + * Create the HTML header for the table + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnBuildHead( oSettings ) + { + var i, nTh, iLen, j, jLen; + var iThs = $('th, td', oSettings.nTHead).length; + var iCorrector = 0; + var jqChildren; + + /* If there is a header in place - then use it - otherwise it's going to get nuked... */ + if ( iThs !== 0 ) + { + /* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */ + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + nTh = oSettings.aoColumns[i].nTh; + nTh.setAttribute('role', 'columnheader'); + if ( oSettings.aoColumns[i].bSortable ) + { + nTh.setAttribute('tabindex', oSettings.iTabIndex); + nTh.setAttribute('aria-controls', oSettings.sTableId); + } + + if ( oSettings.aoColumns[i].sClass !== null ) + { + $(nTh).addClass( oSettings.aoColumns[i].sClass ); + } + + /* Set the title of the column if it is user defined (not what was auto detected) */ + if ( oSettings.aoColumns[i].sTitle != nTh.innerHTML ) + { + nTh.innerHTML = oSettings.aoColumns[i].sTitle; + } + } + } + else + { + /* We don't have a header in the DOM - so we are going to have to create one */ + var nTr = document.createElement( "tr" ); + + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + nTh = oSettings.aoColumns[i].nTh; + nTh.innerHTML = oSettings.aoColumns[i].sTitle; + nTh.setAttribute('tabindex', '0'); + + if ( oSettings.aoColumns[i].sClass !== null ) + { + $(nTh).addClass( oSettings.aoColumns[i].sClass ); + } + + nTr.appendChild( nTh ); + } + $(oSettings.nTHead).html( '' )[0].appendChild( nTr ); + _fnDetectHeader( oSettings.aoHeader, oSettings.nTHead ); + } + + /* ARIA role for the rows */ + $(oSettings.nTHead).children('tr').attr('role', 'row'); + + /* Add the extra markup needed by jQuery UI's themes */ + if ( oSettings.bJUI ) + { + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + nTh = oSettings.aoColumns[i].nTh; + + var nDiv = document.createElement('div'); + nDiv.className = oSettings.oClasses.sSortJUIWrapper; + $(nTh).contents().appendTo(nDiv); + + var nSpan = document.createElement('span'); + nSpan.className = oSettings.oClasses.sSortIcon; + nDiv.appendChild( nSpan ); + nTh.appendChild( nDiv ); + } + } + + if ( oSettings.oFeatures.bSort ) + { + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + if ( oSettings.aoColumns[i].bSortable !== false ) + { + _fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i ); + } + else + { + $(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone ); + } + } + } + + /* Deal with the footer - add classes if required */ + if ( oSettings.oClasses.sFooterTH !== "" ) + { + $(oSettings.nTFoot).children('tr').children('th').addClass( oSettings.oClasses.sFooterTH ); + } + + /* Cache the footer elements */ + if ( oSettings.nTFoot !== null ) + { + var anCells = _fnGetUniqueThs( oSettings, null, oSettings.aoFooter ); + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + if ( anCells[i] ) + { + oSettings.aoColumns[i].nTf = anCells[i]; + if ( oSettings.aoColumns[i].sClass ) + { + $(anCells[i]).addClass( oSettings.aoColumns[i].sClass ); + } + } + } + } + } + + + /** + * Draw the header (or footer) element based on the column visibility states. The + * methodology here is to use the layout array from _fnDetectHeader, modified for + * the instantaneous column visibility, to construct the new layout. The grid is + * traversed over cell at a time in a rows x columns grid fashion, although each + * cell insert can cover multiple elements in the grid - which is tracks using the + * aApplied array. Cell inserts in the grid will only occur where there isn't + * already a cell in that position. + * @param {object} oSettings dataTables settings object + * @param array {objects} aoSource Layout array from _fnDetectHeader + * @param {boolean} [bIncludeHidden=false] If true then include the hidden columns in the calc, + * @memberof DataTable#oApi + */ + function _fnDrawHead( oSettings, aoSource, bIncludeHidden ) + { + var i, iLen, j, jLen, k, kLen, n, nLocalTr; + var aoLocal = []; + var aApplied = []; + var iColumns = oSettings.aoColumns.length; + var iRowspan, iColspan; + + if ( bIncludeHidden === undefined ) + { + bIncludeHidden = false; + } + + /* Make a copy of the master layout array, but without the visible columns in it */ + for ( i=0, iLen=aoSource.length ; i<iLen ; i++ ) + { + aoLocal[i] = aoSource[i].slice(); + aoLocal[i].nTr = aoSource[i].nTr; + + /* Remove any columns which are currently hidden */ + for ( j=iColumns-1 ; j>=0 ; j-- ) + { + if ( !oSettings.aoColumns[j].bVisible && !bIncludeHidden ) + { + aoLocal[i].splice( j, 1 ); + } + } + + /* Prep the applied array - it needs an element for each row */ + aApplied.push( [] ); + } + + for ( i=0, iLen=aoLocal.length ; i<iLen ; i++ ) + { + nLocalTr = aoLocal[i].nTr; + + /* All cells are going to be replaced, so empty out the row */ + if ( nLocalTr ) + { + while( (n = nLocalTr.firstChild) ) + { + nLocalTr.removeChild( n ); + } + } + + for ( j=0, jLen=aoLocal[i].length ; j<jLen ; j++ ) + { + iRowspan = 1; + iColspan = 1; + + /* Check to see if there is already a cell (row/colspan) covering our target + * insert point. If there is, then there is nothing to do. + */ + if ( aApplied[i][j] === undefined ) + { + nLocalTr.appendChild( aoLocal[i][j].cell ); + aApplied[i][j] = 1; + + /* Expand the cell to cover as many rows as needed */ + while ( aoLocal[i+iRowspan] !== undefined && + aoLocal[i][j].cell == aoLocal[i+iRowspan][j].cell ) + { + aApplied[i+iRowspan][j] = 1; + iRowspan++; + } + + /* Expand the cell to cover as many columns as needed */ + while ( aoLocal[i][j+iColspan] !== undefined && + aoLocal[i][j].cell == aoLocal[i][j+iColspan].cell ) + { + /* Must update the applied array over the rows for the columns */ + for ( k=0 ; k<iRowspan ; k++ ) + { + aApplied[i+k][j+iColspan] = 1; + } + iColspan++; + } + + /* Do the actual expansion in the DOM */ + aoLocal[i][j].cell.rowSpan = iRowspan; + aoLocal[i][j].cell.colSpan = iColspan; + } + } + } + } + + + /** + * Insert the required TR nodes into the table for display + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnDraw( oSettings ) + { + /* Provide a pre-callback function which can be used to cancel the draw is false is returned */ + var aPreDraw = _fnCallbackFire( oSettings, 'aoPreDrawCallback', 'preDraw', [oSettings] ); + if ( $.inArray( false, aPreDraw ) !== -1 ) + { + _fnProcessingDisplay( oSettings, false ); + return; + } + + var i, iLen, n; + var anRows = []; + var iRowCount = 0; + var iStripes = oSettings.asStripeClasses.length; + var iOpenRows = oSettings.aoOpenRows.length; + + oSettings.bDrawing = true; + + /* Check and see if we have an initial draw position from state saving */ + if ( oSettings.iInitDisplayStart !== undefined && oSettings.iInitDisplayStart != -1 ) + { + if ( oSettings.oFeatures.bServerSide ) + { + oSettings._iDisplayStart = oSettings.iInitDisplayStart; + } + else + { + oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ? + 0 : oSettings.iInitDisplayStart; + } + oSettings.iInitDisplayStart = -1; + _fnCalculateEnd( oSettings ); + } + + /* Server-side processing draw intercept */ + if ( oSettings.bDeferLoading ) + { + oSettings.bDeferLoading = false; + oSettings.iDraw++; + } + else if ( !oSettings.oFeatures.bServerSide ) + { + oSettings.iDraw++; + } + else if ( !oSettings.bDestroying && !_fnAjaxUpdate( oSettings ) ) + { + return; + } + + if ( oSettings.aiDisplay.length !== 0 ) + { + var iStart = oSettings._iDisplayStart; + var iEnd = oSettings._iDisplayEnd; + + if ( oSettings.oFeatures.bServerSide ) + { + iStart = 0; + iEnd = oSettings.aoData.length; + } + + for ( var j=iStart ; j<iEnd ; j++ ) + { + var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ]; + if ( aoData.nTr === null ) + { + _fnCreateTr( oSettings, oSettings.aiDisplay[j] ); + } + + var nRow = aoData.nTr; + + /* Remove the old striping classes and then add the new one */ + if ( iStripes !== 0 ) + { + var sStripe = oSettings.asStripeClasses[ iRowCount % iStripes ]; + if ( aoData._sRowStripe != sStripe ) + { + $(nRow).removeClass( aoData._sRowStripe ).addClass( sStripe ); + aoData._sRowStripe = sStripe; + } + } + + /* Row callback functions - might want to manipulate the row */ + _fnCallbackFire( oSettings, 'aoRowCallback', null, + [nRow, oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j] ); + + anRows.push( nRow ); + iRowCount++; + + /* If there is an open row - and it is attached to this parent - attach it on redraw */ + if ( iOpenRows !== 0 ) + { + for ( var k=0 ; k<iOpenRows ; k++ ) + { + if ( nRow == oSettings.aoOpenRows[k].nParent ) + { + anRows.push( oSettings.aoOpenRows[k].nTr ); + break; + } + } + } + } + } + else + { + /* Table is empty - create a row with an empty message in it */ + anRows[ 0 ] = document.createElement( 'tr' ); + + if ( oSettings.asStripeClasses[0] ) + { + anRows[ 0 ].className = oSettings.asStripeClasses[0]; + } + + var oLang = oSettings.oLanguage; + var sZero = oLang.sZeroRecords; + if ( oSettings.iDraw == 1 && oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide ) + { + sZero = oLang.sLoadingRecords; + } + else if ( oLang.sEmptyTable && oSettings.fnRecordsTotal() === 0 ) + { + sZero = oLang.sEmptyTable; + } + + var nTd = document.createElement( 'td' ); + nTd.setAttribute( 'valign', "top" ); + nTd.colSpan = _fnVisbleColumns( oSettings ); + nTd.className = oSettings.oClasses.sRowEmpty; + nTd.innerHTML = _fnInfoMacros( oSettings, sZero ); + + anRows[ iRowCount ].appendChild( nTd ); + } + + /* Header and footer callbacks */ + _fnCallbackFire( oSettings, 'aoHeaderCallback', 'header', [ $(oSettings.nTHead).children('tr')[0], + _fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] ); + + _fnCallbackFire( oSettings, 'aoFooterCallback', 'footer', [ $(oSettings.nTFoot).children('tr')[0], + _fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(), oSettings.aiDisplay ] ); + + /* + * Need to remove any old row from the display - note we can't just empty the tbody using + * $().html('') since this will unbind the jQuery event handlers (even although the node + * still exists!) - equally we can't use innerHTML, since IE throws an exception. + */ + var + nAddFrag = document.createDocumentFragment(), + nRemoveFrag = document.createDocumentFragment(), + nBodyPar, nTrs; + + if ( oSettings.nTBody ) + { + nBodyPar = oSettings.nTBody.parentNode; + nRemoveFrag.appendChild( oSettings.nTBody ); + + /* When doing infinite scrolling, only remove child rows when sorting, filtering or start + * up. When not infinite scroll, always do it. + */ + if ( !oSettings.oScroll.bInfinite || !oSettings._bInitComplete || + oSettings.bSorted || oSettings.bFiltered ) + { + while( (n = oSettings.nTBody.firstChild) ) + { + oSettings.nTBody.removeChild( n ); + } + } + + /* Put the draw table into the dom */ + for ( i=0, iLen=anRows.length ; i<iLen ; i++ ) + { + nAddFrag.appendChild( anRows[i] ); + } + + oSettings.nTBody.appendChild( nAddFrag ); + if ( nBodyPar !== null ) + { + nBodyPar.appendChild( oSettings.nTBody ); + } + } + + /* Call all required callback functions for the end of a draw */ + _fnCallbackFire( oSettings, 'aoDrawCallback', 'draw', [oSettings] ); + + /* Draw is complete, sorting and filtering must be as well */ + oSettings.bSorted = false; + oSettings.bFiltered = false; + oSettings.bDrawing = false; + + if ( oSettings.oFeatures.bServerSide ) + { + _fnProcessingDisplay( oSettings, false ); + if ( !oSettings._bInitComplete ) + { + _fnInitComplete( oSettings ); + } + } + } + + + /** + * Redraw the table - taking account of the various features which are enabled + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnReDraw( oSettings ) + { + if ( oSettings.oFeatures.bSort ) + { + /* Sorting will refilter and draw for us */ + _fnSort( oSettings, oSettings.oPreviousSearch ); + } + else if ( oSettings.oFeatures.bFilter ) + { + /* Filtering will redraw for us */ + _fnFilterComplete( oSettings, oSettings.oPreviousSearch ); + } + else + { + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + } + + + /** + * Add the options to the page HTML for the table + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnAddOptionsHtml ( oSettings ) + { + /* + * Create a temporary, empty, div which we can later on replace with what we have generated + * we do it this way to rendering the 'options' html offline - speed :-) + */ + var nHolding = $('<div></div>')[0]; + oSettings.nTable.parentNode.insertBefore( nHolding, oSettings.nTable ); + + /* + * All DataTables are wrapped in a div + */ + oSettings.nTableWrapper = $('<div id="'+oSettings.sTableId+'_wrapper" class="'+oSettings.oClasses.sWrapper+'" role="grid"></div>')[0]; + oSettings.nTableReinsertBefore = oSettings.nTable.nextSibling; + + /* Track where we want to insert the option */ + var nInsertNode = oSettings.nTableWrapper; + + /* Loop over the user set positioning and place the elements as needed */ + var aDom = oSettings.sDom.split(''); + var nTmp, iPushFeature, cOption, nNewNode, cNext, sAttr, j; + for ( var i=0 ; i<aDom.length ; i++ ) + { + iPushFeature = 0; + cOption = aDom[i]; + + if ( cOption == '<' ) + { + /* New container div */ + nNewNode = $('<div></div>')[0]; + + /* Check to see if we should append an id and/or a class name to the container */ + cNext = aDom[i+1]; + if ( cNext == "'" || cNext == '"' ) + { + sAttr = ""; + j = 2; + while ( aDom[i+j] != cNext ) + { + sAttr += aDom[i+j]; + j++; + } + + /* Replace jQuery UI constants */ + if ( sAttr == "H" ) + { + sAttr = oSettings.oClasses.sJUIHeader; + } + else if ( sAttr == "F" ) + { + sAttr = oSettings.oClasses.sJUIFooter; + } + + /* The attribute can be in the format of "#id.class", "#id" or "class" This logic + * breaks the string into parts and applies them as needed + */ + if ( sAttr.indexOf('.') != -1 ) + { + var aSplit = sAttr.split('.'); + nNewNode.id = aSplit[0].substr(1, aSplit[0].length-1); + nNewNode.className = aSplit[1]; + } + else if ( sAttr.charAt(0) == "#" ) + { + nNewNode.id = sAttr.substr(1, sAttr.length-1); + } + else + { + nNewNode.className = sAttr; + } + + i += j; /* Move along the position array */ + } + + nInsertNode.appendChild( nNewNode ); + nInsertNode = nNewNode; + } + else if ( cOption == '>' ) + { + /* End container div */ + nInsertNode = nInsertNode.parentNode; + } + else if ( cOption == 'l' && oSettings.oFeatures.bPaginate && oSettings.oFeatures.bLengthChange ) + { + /* Length */ + nTmp = _fnFeatureHtmlLength( oSettings ); + iPushFeature = 1; + } + else if ( cOption == 'f' && oSettings.oFeatures.bFilter ) + { + /* Filter */ + nTmp = _fnFeatureHtmlFilter( oSettings ); + iPushFeature = 1; + } + else if ( cOption == 'r' && oSettings.oFeatures.bProcessing ) + { + /* pRocessing */ + nTmp = _fnFeatureHtmlProcessing( oSettings ); + iPushFeature = 1; + } + else if ( cOption == 't' ) + { + /* Table */ + nTmp = _fnFeatureHtmlTable( oSettings ); + iPushFeature = 1; + } + else if ( cOption == 'i' && oSettings.oFeatures.bInfo ) + { + /* Info */ + nTmp = _fnFeatureHtmlInfo( oSettings ); + iPushFeature = 1; + } + else if ( cOption == 'p' && oSettings.oFeatures.bPaginate ) + { + /* Pagination */ + nTmp = _fnFeatureHtmlPaginate( oSettings ); + iPushFeature = 1; + } + else if ( DataTable.ext.aoFeatures.length !== 0 ) + { + /* Plug-in features */ + var aoFeatures = DataTable.ext.aoFeatures; + for ( var k=0, kLen=aoFeatures.length ; k<kLen ; k++ ) + { + if ( cOption == aoFeatures[k].cFeature ) + { + nTmp = aoFeatures[k].fnInit( oSettings ); + if ( nTmp ) + { + iPushFeature = 1; + } + break; + } + } + } + + /* Add to the 2D features array */ + if ( iPushFeature == 1 && nTmp !== null ) + { + if ( typeof oSettings.aanFeatures[cOption] !== 'object' ) + { + oSettings.aanFeatures[cOption] = []; + } + oSettings.aanFeatures[cOption].push( nTmp ); + nInsertNode.appendChild( nTmp ); + } + } + + /* Built our DOM structure - replace the holding div with what we want */ + nHolding.parentNode.replaceChild( oSettings.nTableWrapper, nHolding ); + } + + + /** + * Use the DOM source to create up an array of header cells. The idea here is to + * create a layout grid (array) of rows x columns, which contains a reference + * to the cell that that point in the grid (regardless of col/rowspan), such that + * any column / row could be removed and the new grid constructed + * @param array {object} aLayout Array to store the calculated layout in + * @param {node} nThead The header/footer element for the table + * @memberof DataTable#oApi + */ + function _fnDetectHeader ( aLayout, nThead ) + { + var nTrs = $(nThead).children('tr'); + var nTr, nCell; + var i, k, l, iLen, jLen, iColShifted, iColumn, iColspan, iRowspan; + var bUnique; + var fnShiftCol = function ( a, i, j ) { + var k = a[i]; + while ( k[j] ) { + j++; + } + return j; + }; + + aLayout.splice( 0, aLayout.length ); + + /* We know how many rows there are in the layout - so prep it */ + for ( i=0, iLen=nTrs.length ; i<iLen ; i++ ) + { + aLayout.push( [] ); + } + + /* Calculate a layout array */ + for ( i=0, iLen=nTrs.length ; i<iLen ; i++ ) + { + nTr = nTrs[i]; + iColumn = 0; + + /* For every cell in the row... */ + nCell = nTr.firstChild; + while ( nCell ) { + if ( nCell.nodeName.toUpperCase() == "TD" || + nCell.nodeName.toUpperCase() == "TH" ) + { + /* Get the col and rowspan attributes from the DOM and sanitise them */ + iColspan = nCell.getAttribute('colspan') * 1; + iRowspan = nCell.getAttribute('rowspan') * 1; + iColspan = (!iColspan || iColspan===0 || iColspan===1) ? 1 : iColspan; + iRowspan = (!iRowspan || iRowspan===0 || iRowspan===1) ? 1 : iRowspan; + + /* There might be colspan cells already in this row, so shift our target + * accordingly + */ + iColShifted = fnShiftCol( aLayout, i, iColumn ); + + /* Cache calculation for unique columns */ + bUnique = iColspan === 1 ? true : false; + + /* If there is col / rowspan, copy the information into the layout grid */ + for ( l=0 ; l<iColspan ; l++ ) + { + for ( k=0 ; k<iRowspan ; k++ ) + { + aLayout[i+k][iColShifted+l] = { + "cell": nCell, + "unique": bUnique + }; + aLayout[i+k].nTr = nTr; + } + } + } + nCell = nCell.nextSibling; + } + } + } + + + /** + * Get an array of unique th elements, one for each column + * @param {object} oSettings dataTables settings object + * @param {node} nHeader automatically detect the layout from this node - optional + * @param {array} aLayout thead/tfoot layout from _fnDetectHeader - optional + * @returns array {node} aReturn list of unique th's + * @memberof DataTable#oApi + */ + function _fnGetUniqueThs ( oSettings, nHeader, aLayout ) + { + var aReturn = []; + if ( !aLayout ) + { + aLayout = oSettings.aoHeader; + if ( nHeader ) + { + aLayout = []; + _fnDetectHeader( aLayout, nHeader ); + } + } + + for ( var i=0, iLen=aLayout.length ; i<iLen ; i++ ) + { + for ( var j=0, jLen=aLayout[i].length ; j<jLen ; j++ ) + { + if ( aLayout[i][j].unique && + (!aReturn[j] || !oSettings.bSortCellsTop) ) + { + aReturn[j] = aLayout[i][j].cell; + } + } + } + + return aReturn; + } + + + + /** + * Update the table using an Ajax call + * @param {object} oSettings dataTables settings object + * @returns {boolean} Block the table drawing or not + * @memberof DataTable#oApi + */ + function _fnAjaxUpdate( oSettings ) + { + if ( oSettings.bAjaxDataGet ) + { + oSettings.iDraw++; + _fnProcessingDisplay( oSettings, true ); + var iColumns = oSettings.aoColumns.length; + var aoData = _fnAjaxParameters( oSettings ); + _fnServerParams( oSettings, aoData ); + + oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aoData, + function(json) { + _fnAjaxUpdateDraw( oSettings, json ); + }, oSettings ); + return false; + } + else + { + return true; + } + } + + + /** + * Build up the parameters in an object needed for a server-side processing request + * @param {object} oSettings dataTables settings object + * @returns {bool} block the table drawing or not + * @memberof DataTable#oApi + */ + function _fnAjaxParameters( oSettings ) + { + var iColumns = oSettings.aoColumns.length; + var aoData = [], mDataProp, aaSort, aDataSort; + var i, j; + + aoData.push( { "name": "sEcho", "value": oSettings.iDraw } ); + aoData.push( { "name": "iColumns", "value": iColumns } ); + aoData.push( { "name": "sColumns", "value": _fnColumnOrdering(oSettings) } ); + aoData.push( { "name": "iDisplayStart", "value": oSettings._iDisplayStart } ); + aoData.push( { "name": "iDisplayLength", "value": oSettings.oFeatures.bPaginate !== false ? + oSettings._iDisplayLength : -1 } ); + + for ( i=0 ; i<iColumns ; i++ ) + { + mDataProp = oSettings.aoColumns[i].mData; + aoData.push( { "name": "mDataProp_"+i, "value": typeof(mDataProp)==="function" ? 'function' : mDataProp } ); + } + + /* Filtering */ + if ( oSettings.oFeatures.bFilter !== false ) + { + aoData.push( { "name": "sSearch", "value": oSettings.oPreviousSearch.sSearch } ); + aoData.push( { "name": "bRegex", "value": oSettings.oPreviousSearch.bRegex } ); + for ( i=0 ; i<iColumns ; i++ ) + { + aoData.push( { "name": "sSearch_"+i, "value": oSettings.aoPreSearchCols[i].sSearch } ); + aoData.push( { "name": "bRegex_"+i, "value": oSettings.aoPreSearchCols[i].bRegex } ); + aoData.push( { "name": "bSearchable_"+i, "value": oSettings.aoColumns[i].bSearchable } ); + } + } + + /* Sorting */ + if ( oSettings.oFeatures.bSort !== false ) + { + var iCounter = 0; + + aaSort = ( oSettings.aaSortingFixed !== null ) ? + oSettings.aaSortingFixed.concat( oSettings.aaSorting ) : + oSettings.aaSorting.slice(); + + for ( i=0 ; i<aaSort.length ; i++ ) + { + aDataSort = oSettings.aoColumns[ aaSort[i][0] ].aDataSort; + + for ( j=0 ; j<aDataSort.length ; j++ ) + { + aoData.push( { "name": "iSortCol_"+iCounter, "value": aDataSort[j] } ); + aoData.push( { "name": "sSortDir_"+iCounter, "value": aaSort[i][1] } ); + iCounter++; + } + } + aoData.push( { "name": "iSortingCols", "value": iCounter } ); + + for ( i=0 ; i<iColumns ; i++ ) + { + aoData.push( { "name": "bSortable_"+i, "value": oSettings.aoColumns[i].bSortable } ); + } + } + + return aoData; + } + + + /** + * Add Ajax parameters from plug-ins + * @param {object} oSettings dataTables settings object + * @param array {objects} aoData name/value pairs to send to the server + * @memberof DataTable#oApi + */ + function _fnServerParams( oSettings, aoData ) + { + _fnCallbackFire( oSettings, 'aoServerParams', 'serverParams', [aoData] ); + } + + + /** + * Data the data from the server (nuking the old) and redraw the table + * @param {object} oSettings dataTables settings object + * @param {object} json json data return from the server. + * @param {string} json.sEcho Tracking flag for DataTables to match requests + * @param {int} json.iTotalRecords Number of records in the data set, not accounting for filtering + * @param {int} json.iTotalDisplayRecords Number of records in the data set, accounting for filtering + * @param {array} json.aaData The data to display on this page + * @param {string} [json.sColumns] Column ordering (sName, comma separated) + * @memberof DataTable#oApi + */ + function _fnAjaxUpdateDraw ( oSettings, json ) + { + if ( json.sEcho !== undefined ) + { + /* Protect against old returns over-writing a new one. Possible when you get + * very fast interaction, and later queries are completed much faster + */ + if ( json.sEcho*1 < oSettings.iDraw ) + { + return; + } + else + { + oSettings.iDraw = json.sEcho * 1; + } + } + + if ( !oSettings.oScroll.bInfinite || + (oSettings.oScroll.bInfinite && (oSettings.bSorted || oSettings.bFiltered)) ) + { + _fnClearTable( oSettings ); + } + oSettings._iRecordsTotal = parseInt(json.iTotalRecords, 10); + oSettings._iRecordsDisplay = parseInt(json.iTotalDisplayRecords, 10); + + /* Determine if reordering is required */ + var sOrdering = _fnColumnOrdering(oSettings); + var bReOrder = (json.sColumns !== undefined && sOrdering !== "" && json.sColumns != sOrdering ); + var aiIndex; + if ( bReOrder ) + { + aiIndex = _fnReOrderIndex( oSettings, json.sColumns ); + } + + var aData = _fnGetObjectDataFn( oSettings.sAjaxDataProp )( json ); + for ( var i=0, iLen=aData.length ; i<iLen ; i++ ) + { + if ( bReOrder ) + { + /* If we need to re-order, then create a new array with the correct order and add it */ + var aDataSorted = []; + for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ ) + { + aDataSorted.push( aData[i][ aiIndex[j] ] ); + } + _fnAddData( oSettings, aDataSorted ); + } + else + { + /* No re-order required, sever got it "right" - just straight add */ + _fnAddData( oSettings, aData[i] ); + } + } + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + + oSettings.bAjaxDataGet = false; + _fnDraw( oSettings ); + oSettings.bAjaxDataGet = true; + _fnProcessingDisplay( oSettings, false ); + } + + + + /** + * Generate the node required for filtering text + * @returns {node} Filter control element + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnFeatureHtmlFilter ( oSettings ) + { + var oPreviousSearch = oSettings.oPreviousSearch; + + var sSearchStr = oSettings.oLanguage.sSearch; + sSearchStr = (sSearchStr.indexOf('_INPUT_') !== -1) ? + sSearchStr.replace('_INPUT_', '<input type="text" />') : + sSearchStr==="" ? '<input type="text" />' : sSearchStr+' <input type="text" />'; + + var nFilter = document.createElement( 'div' ); + nFilter.className = oSettings.oClasses.sFilter; + nFilter.innerHTML = '<label>'+sSearchStr+'</label>'; + if ( !oSettings.aanFeatures.f ) + { + nFilter.id = oSettings.sTableId+'_filter'; + } + + var jqFilter = $('input[type="text"]', nFilter); + + // Store a reference to the input element, so other input elements could be + // added to the filter wrapper if needed (submit button for example) + nFilter._DT_Input = jqFilter[0]; + + jqFilter.val( oPreviousSearch.sSearch.replace('"','"') ); + jqFilter.bind( 'keyup.DT', function(e) { + /* Update all other filter input elements for the new display */ + var n = oSettings.aanFeatures.f; + var val = this.value==="" ? "" : this.value; // mental IE8 fix :-( + + for ( var i=0, iLen=n.length ; i<iLen ; i++ ) + { + if ( n[i] != $(this).parents('div.dataTables_filter')[0] ) + { + $(n[i]._DT_Input).val( val ); + } + } + + /* Now do the filter */ + if ( val != oPreviousSearch.sSearch ) + { + _fnFilterComplete( oSettings, { + "sSearch": val, + "bRegex": oPreviousSearch.bRegex, + "bSmart": oPreviousSearch.bSmart , + "bCaseInsensitive": oPreviousSearch.bCaseInsensitive + } ); + } + } ); + + jqFilter + .attr('aria-controls', oSettings.sTableId) + .bind( 'keypress.DT', function(e) { + /* Prevent form submission */ + if ( e.keyCode == 13 ) + { + return false; + } + } + ); + + return nFilter; + } + + + /** + * Filter the table using both the global filter and column based filtering + * @param {object} oSettings dataTables settings object + * @param {object} oSearch search information + * @param {int} [iForce] force a research of the master array (1) or not (undefined or 0) + * @memberof DataTable#oApi + */ + function _fnFilterComplete ( oSettings, oInput, iForce ) + { + var oPrevSearch = oSettings.oPreviousSearch; + var aoPrevSearch = oSettings.aoPreSearchCols; + var fnSaveFilter = function ( oFilter ) { + /* Save the filtering values */ + oPrevSearch.sSearch = oFilter.sSearch; + oPrevSearch.bRegex = oFilter.bRegex; + oPrevSearch.bSmart = oFilter.bSmart; + oPrevSearch.bCaseInsensitive = oFilter.bCaseInsensitive; + }; + + /* In server-side processing all filtering is done by the server, so no point hanging around here */ + if ( !oSettings.oFeatures.bServerSide ) + { + /* Global filter */ + _fnFilter( oSettings, oInput.sSearch, iForce, oInput.bRegex, oInput.bSmart, oInput.bCaseInsensitive ); + fnSaveFilter( oInput ); + + /* Now do the individual column filter */ + for ( var i=0 ; i<oSettings.aoPreSearchCols.length ; i++ ) + { + _fnFilterColumn( oSettings, aoPrevSearch[i].sSearch, i, aoPrevSearch[i].bRegex, + aoPrevSearch[i].bSmart, aoPrevSearch[i].bCaseInsensitive ); + } + + /* Custom filtering */ + _fnFilterCustom( oSettings ); + } + else + { + fnSaveFilter( oInput ); + } + + /* Tell the draw function we have been filtering */ + oSettings.bFiltered = true; + $(oSettings.oInstance).trigger('filter', oSettings); + + /* Redraw the table */ + oSettings._iDisplayStart = 0; + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + + /* Rebuild search array 'offline' */ + _fnBuildSearchArray( oSettings, 0 ); + } + + + /** + * Apply custom filtering functions + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnFilterCustom( oSettings ) + { + var afnFilters = DataTable.ext.afnFiltering; + var aiFilterColumns = _fnGetColumns( oSettings, 'bSearchable' ); + + for ( var i=0, iLen=afnFilters.length ; i<iLen ; i++ ) + { + var iCorrector = 0; + for ( var j=0, jLen=oSettings.aiDisplay.length ; j<jLen ; j++ ) + { + var iDisIndex = oSettings.aiDisplay[j-iCorrector]; + var bTest = afnFilters[i]( + oSettings, + _fnGetRowData( oSettings, iDisIndex, 'filter', aiFilterColumns ), + iDisIndex + ); + + /* Check if we should use this row based on the filtering function */ + if ( !bTest ) + { + oSettings.aiDisplay.splice( j-iCorrector, 1 ); + iCorrector++; + } + } + } + } + + + /** + * Filter the table on a per-column basis + * @param {object} oSettings dataTables settings object + * @param {string} sInput string to filter on + * @param {int} iColumn column to filter + * @param {bool} bRegex treat search string as a regular expression or not + * @param {bool} bSmart use smart filtering or not + * @param {bool} bCaseInsensitive Do case insenstive matching or not + * @memberof DataTable#oApi + */ + function _fnFilterColumn ( oSettings, sInput, iColumn, bRegex, bSmart, bCaseInsensitive ) + { + if ( sInput === "" ) + { + return; + } + + var iIndexCorrector = 0; + var rpSearch = _fnFilterCreateSearch( sInput, bRegex, bSmart, bCaseInsensitive ); + + for ( var i=oSettings.aiDisplay.length-1 ; i>=0 ; i-- ) + { + var sData = _fnDataToSearch( _fnGetCellData( oSettings, oSettings.aiDisplay[i], iColumn, 'filter' ), + oSettings.aoColumns[iColumn].sType ); + if ( ! rpSearch.test( sData ) ) + { + oSettings.aiDisplay.splice( i, 1 ); + iIndexCorrector++; + } + } + } + + + /** + * Filter the data table based on user input and draw the table + * @param {object} oSettings dataTables settings object + * @param {string} sInput string to filter on + * @param {int} iForce optional - force a research of the master array (1) or not (undefined or 0) + * @param {bool} bRegex treat as a regular expression or not + * @param {bool} bSmart perform smart filtering or not + * @param {bool} bCaseInsensitive Do case insenstive matching or not + * @memberof DataTable#oApi + */ + function _fnFilter( oSettings, sInput, iForce, bRegex, bSmart, bCaseInsensitive ) + { + var i; + var rpSearch = _fnFilterCreateSearch( sInput, bRegex, bSmart, bCaseInsensitive ); + var oPrevSearch = oSettings.oPreviousSearch; + + /* Check if we are forcing or not - optional parameter */ + if ( !iForce ) + { + iForce = 0; + } + + /* Need to take account of custom filtering functions - always filter */ + if ( DataTable.ext.afnFiltering.length !== 0 ) + { + iForce = 1; + } + + /* + * If the input is blank - we want the full data set + */ + if ( sInput.length <= 0 ) + { + oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length); + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + } + else + { + /* + * We are starting a new search or the new search string is smaller + * then the old one (i.e. delete). Search from the master array + */ + if ( oSettings.aiDisplay.length == oSettings.aiDisplayMaster.length || + oPrevSearch.sSearch.length > sInput.length || iForce == 1 || + sInput.indexOf(oPrevSearch.sSearch) !== 0 ) + { + /* Nuke the old display array - we are going to rebuild it */ + oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length); + + /* Force a rebuild of the search array */ + _fnBuildSearchArray( oSettings, 1 ); + + /* Search through all records to populate the search array + * The the oSettings.aiDisplayMaster and asDataSearch arrays have 1 to 1 + * mapping + */ + for ( i=0 ; i<oSettings.aiDisplayMaster.length ; i++ ) + { + if ( rpSearch.test(oSettings.asDataSearch[i]) ) + { + oSettings.aiDisplay.push( oSettings.aiDisplayMaster[i] ); + } + } + } + else + { + /* Using old search array - refine it - do it this way for speed + * Don't have to search the whole master array again + */ + var iIndexCorrector = 0; + + /* Search the current results */ + for ( i=0 ; i<oSettings.asDataSearch.length ; i++ ) + { + if ( ! rpSearch.test(oSettings.asDataSearch[i]) ) + { + oSettings.aiDisplay.splice( i-iIndexCorrector, 1 ); + iIndexCorrector++; + } + } + } + } + } + + + /** + * Create an array which can be quickly search through + * @param {object} oSettings dataTables settings object + * @param {int} iMaster use the master data array - optional + * @memberof DataTable#oApi + */ + function _fnBuildSearchArray ( oSettings, iMaster ) + { + if ( !oSettings.oFeatures.bServerSide ) + { + /* Clear out the old data */ + oSettings.asDataSearch = []; + + var aiFilterColumns = _fnGetColumns( oSettings, 'bSearchable' ); + var aiIndex = (iMaster===1) ? + oSettings.aiDisplayMaster : + oSettings.aiDisplay; + + for ( var i=0, iLen=aiIndex.length ; i<iLen ; i++ ) + { + oSettings.asDataSearch[i] = _fnBuildSearchRow( + oSettings, + _fnGetRowData( oSettings, aiIndex[i], 'filter', aiFilterColumns ) + ); + } + } + } + + + /** + * Create a searchable string from a single data row + * @param {object} oSettings dataTables settings object + * @param {array} aData Row data array to use for the data to search + * @memberof DataTable#oApi + */ + function _fnBuildSearchRow( oSettings, aData ) + { + var sSearch = aData.join(' '); + + /* If it looks like there is an HTML entity in the string, attempt to decode it */ + if ( sSearch.indexOf('&') !== -1 ) + { + sSearch = $('<div>').html(sSearch).text(); + } + + // Strip newline characters + return sSearch.replace( /[\n\r]/g, " " ); + } + + /** + * Build a regular expression object suitable for searching a table + * @param {string} sSearch string to search for + * @param {bool} bRegex treat as a regular expression or not + * @param {bool} bSmart perform smart filtering or not + * @param {bool} bCaseInsensitive Do case insensitive matching or not + * @returns {RegExp} constructed object + * @memberof DataTable#oApi + */ + function _fnFilterCreateSearch( sSearch, bRegex, bSmart, bCaseInsensitive ) + { + var asSearch, sRegExpString; + + if ( bSmart ) + { + /* Generate the regular expression to use. Something along the lines of: + * ^(?=.*?\bone\b)(?=.*?\btwo\b)(?=.*?\bthree\b).*$ + */ + asSearch = bRegex ? sSearch.split( ' ' ) : _fnEscapeRegex( sSearch ).split( ' ' ); + sRegExpString = '^(?=.*?'+asSearch.join( ')(?=.*?' )+').*$'; + return new RegExp( sRegExpString, bCaseInsensitive ? "i" : "" ); + } + else + { + sSearch = bRegex ? sSearch : _fnEscapeRegex( sSearch ); + return new RegExp( sSearch, bCaseInsensitive ? "i" : "" ); + } + } + + + /** + * Convert raw data into something that the user can search on + * @param {string} sData data to be modified + * @param {string} sType data type + * @returns {string} search string + * @memberof DataTable#oApi + */ + function _fnDataToSearch ( sData, sType ) + { + if ( typeof DataTable.ext.ofnSearch[sType] === "function" ) + { + return DataTable.ext.ofnSearch[sType]( sData ); + } + else if ( sData === null ) + { + return ''; + } + else if ( sType == "html" ) + { + return sData.replace(/[\r\n]/g," ").replace( /<.*?>/g, "" ); + } + else if ( typeof sData === "string" ) + { + return sData.replace(/[\r\n]/g," "); + } + return sData; + } + + + /** + * scape a string such that it can be used in a regular expression + * @param {string} sVal string to escape + * @returns {string} escaped string + * @memberof DataTable#oApi + */ + function _fnEscapeRegex ( sVal ) + { + var acEscape = [ '/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\', '$', '^', '-' ]; + var reReplace = new RegExp( '(\\' + acEscape.join('|\\') + ')', 'g' ); + return sVal.replace(reReplace, '\\$1'); + } + + + /** + * Generate the node required for the info display + * @param {object} oSettings dataTables settings object + * @returns {node} Information element + * @memberof DataTable#oApi + */ + function _fnFeatureHtmlInfo ( oSettings ) + { + var nInfo = document.createElement( 'div' ); + nInfo.className = oSettings.oClasses.sInfo; + + /* Actions that are to be taken once only for this feature */ + if ( !oSettings.aanFeatures.i ) + { + /* Add draw callback */ + oSettings.aoDrawCallback.push( { + "fn": _fnUpdateInfo, + "sName": "information" + } ); + + /* Add id */ + nInfo.id = oSettings.sTableId+'_info'; + } + oSettings.nTable.setAttribute( 'aria-describedby', oSettings.sTableId+'_info' ); + + return nInfo; + } + + + /** + * Update the information elements in the display + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnUpdateInfo ( oSettings ) + { + /* Show information about the table */ + if ( !oSettings.oFeatures.bInfo || oSettings.aanFeatures.i.length === 0 ) + { + return; + } + + var + oLang = oSettings.oLanguage, + iStart = oSettings._iDisplayStart+1, + iEnd = oSettings.fnDisplayEnd(), + iMax = oSettings.fnRecordsTotal(), + iTotal = oSettings.fnRecordsDisplay(), + sOut; + + if ( iTotal === 0 ) + { + /* Empty record set */ + sOut = oLang.sInfoEmpty; + } + else { + /* Normal record set */ + sOut = oLang.sInfo; + } + + if ( iTotal != iMax ) + { + /* Record set after filtering */ + sOut += ' ' + oLang.sInfoFiltered; + } + + // Convert the macros + sOut += oLang.sInfoPostFix; + sOut = _fnInfoMacros( oSettings, sOut ); + + if ( oLang.fnInfoCallback !== null ) + { + sOut = oLang.fnInfoCallback.call( oSettings.oInstance, + oSettings, iStart, iEnd, iMax, iTotal, sOut ); + } + + var n = oSettings.aanFeatures.i; + for ( var i=0, iLen=n.length ; i<iLen ; i++ ) + { + $(n[i]).html( sOut ); + } + } + + + function _fnInfoMacros ( oSettings, str ) + { + var + iStart = oSettings._iDisplayStart+1, + sStart = oSettings.fnFormatNumber( iStart ), + iEnd = oSettings.fnDisplayEnd(), + sEnd = oSettings.fnFormatNumber( iEnd ), + iTotal = oSettings.fnRecordsDisplay(), + sTotal = oSettings.fnFormatNumber( iTotal ), + iMax = oSettings.fnRecordsTotal(), + sMax = oSettings.fnFormatNumber( iMax ); + + // When infinite scrolling, we are always starting at 1. _iDisplayStart is used only + // internally + if ( oSettings.oScroll.bInfinite ) + { + sStart = oSettings.fnFormatNumber( 1 ); + } + + return str. + replace(/_START_/g, sStart). + replace(/_END_/g, sEnd). + replace(/_TOTAL_/g, sTotal). + replace(/_MAX_/g, sMax); + } + + + + /** + * Draw the table for the first time, adding all required features + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnInitialise ( oSettings ) + { + var i, iLen, iAjaxStart=oSettings.iInitDisplayStart; + + /* Ensure that the table data is fully initialised */ + if ( oSettings.bInitialised === false ) + { + setTimeout( function(){ _fnInitialise( oSettings ); }, 200 ); + return; + } + + /* Show the display HTML options */ + _fnAddOptionsHtml( oSettings ); + + /* Build and draw the header / footer for the table */ + _fnBuildHead( oSettings ); + _fnDrawHead( oSettings, oSettings.aoHeader ); + if ( oSettings.nTFoot ) + { + _fnDrawHead( oSettings, oSettings.aoFooter ); + } + + /* Okay to show that something is going on now */ + _fnProcessingDisplay( oSettings, true ); + + /* Calculate sizes for columns */ + if ( oSettings.oFeatures.bAutoWidth ) + { + _fnCalculateColumnWidths( oSettings ); + } + + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + if ( oSettings.aoColumns[i].sWidth !== null ) + { + oSettings.aoColumns[i].nTh.style.width = _fnStringToCss( oSettings.aoColumns[i].sWidth ); + } + } + + /* If there is default sorting required - let's do it. The sort function will do the + * drawing for us. Otherwise we draw the table regardless of the Ajax source - this allows + * the table to look initialised for Ajax sourcing data (show 'loading' message possibly) + */ + if ( oSettings.oFeatures.bSort ) + { + _fnSort( oSettings ); + } + else if ( oSettings.oFeatures.bFilter ) + { + _fnFilterComplete( oSettings, oSettings.oPreviousSearch ); + } + else + { + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + + /* if there is an ajax source load the data */ + if ( oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide ) + { + var aoData = []; + _fnServerParams( oSettings, aoData ); + oSettings.fnServerData.call( oSettings.oInstance, oSettings.sAjaxSource, aoData, function(json) { + var aData = (oSettings.sAjaxDataProp !== "") ? + _fnGetObjectDataFn( oSettings.sAjaxDataProp )(json) : json; + + /* Got the data - add it to the table */ + for ( i=0 ; i<aData.length ; i++ ) + { + _fnAddData( oSettings, aData[i] ); + } + + /* Reset the init display for cookie saving. We've already done a filter, and + * therefore cleared it before. So we need to make it appear 'fresh' + */ + oSettings.iInitDisplayStart = iAjaxStart; + + if ( oSettings.oFeatures.bSort ) + { + _fnSort( oSettings ); + } + else + { + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + + _fnProcessingDisplay( oSettings, false ); + _fnInitComplete( oSettings, json ); + }, oSettings ); + return; + } + + /* Server-side processing initialisation complete is done at the end of _fnDraw */ + if ( !oSettings.oFeatures.bServerSide ) + { + _fnProcessingDisplay( oSettings, false ); + _fnInitComplete( oSettings ); + } + } + + + /** + * Draw the table for the first time, adding all required features + * @param {object} oSettings dataTables settings object + * @param {object} [json] JSON from the server that completed the table, if using Ajax source + * with client-side processing (optional) + * @memberof DataTable#oApi + */ + function _fnInitComplete ( oSettings, json ) + { + oSettings._bInitComplete = true; + _fnCallbackFire( oSettings, 'aoInitComplete', 'init', [oSettings, json] ); + } + + + /** + * Language compatibility - when certain options are given, and others aren't, we + * need to duplicate the values over, in order to provide backwards compatibility + * with older language files. + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnLanguageCompat( oLanguage ) + { + var oDefaults = DataTable.defaults.oLanguage; + + /* Backwards compatibility - if there is no sEmptyTable given, then use the same as + * sZeroRecords - assuming that is given. + */ + if ( !oLanguage.sEmptyTable && oLanguage.sZeroRecords && + oDefaults.sEmptyTable === "No data available in table" ) + { + _fnMap( oLanguage, oLanguage, 'sZeroRecords', 'sEmptyTable' ); + } + + /* Likewise with loading records */ + if ( !oLanguage.sLoadingRecords && oLanguage.sZeroRecords && + oDefaults.sLoadingRecords === "Loading..." ) + { + _fnMap( oLanguage, oLanguage, 'sZeroRecords', 'sLoadingRecords' ); + } + } + + + + /** + * Generate the node required for user display length changing + * @param {object} oSettings dataTables settings object + * @returns {node} Display length feature node + * @memberof DataTable#oApi + */ + function _fnFeatureHtmlLength ( oSettings ) + { + if ( oSettings.oScroll.bInfinite ) + { + return null; + } + + /* This can be overruled by not using the _MENU_ var/macro in the language variable */ + var sName = 'name="'+oSettings.sTableId+'_length"'; + var sStdMenu = '<select size="1" '+sName+'>'; + var i, iLen; + var aLengthMenu = oSettings.aLengthMenu; + + if ( aLengthMenu.length == 2 && typeof aLengthMenu[0] === 'object' && + typeof aLengthMenu[1] === 'object' ) + { + for ( i=0, iLen=aLengthMenu[0].length ; i<iLen ; i++ ) + { + sStdMenu += '<option value="'+aLengthMenu[0][i]+'">'+aLengthMenu[1][i]+'</option>'; + } + } + else + { + for ( i=0, iLen=aLengthMenu.length ; i<iLen ; i++ ) + { + sStdMenu += '<option value="'+aLengthMenu[i]+'">'+aLengthMenu[i]+'</option>'; + } + } + sStdMenu += '</select>'; + + var nLength = document.createElement( 'div' ); + if ( !oSettings.aanFeatures.l ) + { + nLength.id = oSettings.sTableId+'_length'; + } + nLength.className = oSettings.oClasses.sLength; + nLength.innerHTML = '<label>'+oSettings.oLanguage.sLengthMenu.replace( '_MENU_', sStdMenu )+'</label>'; + + /* + * Set the length to the current display length - thanks to Andrea Pavlovic for this fix, + * and Stefan Skopnik for fixing the fix! + */ + $('select option[value="'+oSettings._iDisplayLength+'"]', nLength).attr("selected", true); + + $('select', nLength).bind( 'change.DT', function(e) { + var iVal = $(this).val(); + + /* Update all other length options for the new display */ + var n = oSettings.aanFeatures.l; + for ( i=0, iLen=n.length ; i<iLen ; i++ ) + { + if ( n[i] != this.parentNode ) + { + $('select', n[i]).val( iVal ); + } + } + + /* Redraw the table */ + oSettings._iDisplayLength = parseInt(iVal, 10); + _fnCalculateEnd( oSettings ); + + /* If we have space to show extra rows (backing up from the end point - then do so */ + if ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) + { + oSettings._iDisplayStart = oSettings.fnDisplayEnd() - oSettings._iDisplayLength; + if ( oSettings._iDisplayStart < 0 ) + { + oSettings._iDisplayStart = 0; + } + } + + if ( oSettings._iDisplayLength == -1 ) + { + oSettings._iDisplayStart = 0; + } + + _fnDraw( oSettings ); + } ); + + + $('select', nLength).attr('aria-controls', oSettings.sTableId); + + return nLength; + } + + + /** + * Recalculate the end point based on the start point + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnCalculateEnd( oSettings ) + { + if ( oSettings.oFeatures.bPaginate === false ) + { + oSettings._iDisplayEnd = oSettings.aiDisplay.length; + } + else + { + /* Set the end point of the display - based on how many elements there are + * still to display + */ + if ( oSettings._iDisplayStart + oSettings._iDisplayLength > oSettings.aiDisplay.length || + oSettings._iDisplayLength == -1 ) + { + oSettings._iDisplayEnd = oSettings.aiDisplay.length; + } + else + { + oSettings._iDisplayEnd = oSettings._iDisplayStart + oSettings._iDisplayLength; + } + } + } + + + + /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Note that most of the paging logic is done in + * DataTable.ext.oPagination + */ + + /** + * Generate the node required for default pagination + * @param {object} oSettings dataTables settings object + * @returns {node} Pagination feature node + * @memberof DataTable#oApi + */ + function _fnFeatureHtmlPaginate ( oSettings ) + { + if ( oSettings.oScroll.bInfinite ) + { + return null; + } + + var nPaginate = document.createElement( 'div' ); + nPaginate.className = oSettings.oClasses.sPaging+oSettings.sPaginationType; + + DataTable.ext.oPagination[ oSettings.sPaginationType ].fnInit( oSettings, nPaginate, + function( oSettings ) { + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + ); + + /* Add a draw callback for the pagination on first instance, to update the paging display */ + if ( !oSettings.aanFeatures.p ) + { + oSettings.aoDrawCallback.push( { + "fn": function( oSettings ) { + DataTable.ext.oPagination[ oSettings.sPaginationType ].fnUpdate( oSettings, function( oSettings ) { + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } ); + }, + "sName": "pagination" + } ); + } + return nPaginate; + } + + + /** + * Alter the display settings to change the page + * @param {object} oSettings dataTables settings object + * @param {string|int} mAction Paging action to take: "first", "previous", "next" or "last" + * or page number to jump to (integer) + * @returns {bool} true page has changed, false - no change (no effect) eg 'first' on page 1 + * @memberof DataTable#oApi + */ + function _fnPageChange ( oSettings, mAction ) + { + var iOldStart = oSettings._iDisplayStart; + + if ( typeof mAction === "number" ) + { + oSettings._iDisplayStart = mAction * oSettings._iDisplayLength; + if ( oSettings._iDisplayStart > oSettings.fnRecordsDisplay() ) + { + oSettings._iDisplayStart = 0; + } + } + else if ( mAction == "first" ) + { + oSettings._iDisplayStart = 0; + } + else if ( mAction == "previous" ) + { + oSettings._iDisplayStart = oSettings._iDisplayLength>=0 ? + oSettings._iDisplayStart - oSettings._iDisplayLength : + 0; + + /* Correct for under-run */ + if ( oSettings._iDisplayStart < 0 ) + { + oSettings._iDisplayStart = 0; + } + } + else if ( mAction == "next" ) + { + if ( oSettings._iDisplayLength >= 0 ) + { + /* Make sure we are not over running the display array */ + if ( oSettings._iDisplayStart + oSettings._iDisplayLength < oSettings.fnRecordsDisplay() ) + { + oSettings._iDisplayStart += oSettings._iDisplayLength; + } + } + else + { + oSettings._iDisplayStart = 0; + } + } + else if ( mAction == "last" ) + { + if ( oSettings._iDisplayLength >= 0 ) + { + var iPages = parseInt( (oSettings.fnRecordsDisplay()-1) / oSettings._iDisplayLength, 10 ) + 1; + oSettings._iDisplayStart = (iPages-1) * oSettings._iDisplayLength; + } + else + { + oSettings._iDisplayStart = 0; + } + } + else + { + _fnLog( oSettings, 0, "Unknown paging action: "+mAction ); + } + $(oSettings.oInstance).trigger('page', oSettings); + + return iOldStart != oSettings._iDisplayStart; + } + + + + /** + * Generate the node required for the processing node + * @param {object} oSettings dataTables settings object + * @returns {node} Processing element + * @memberof DataTable#oApi + */ + function _fnFeatureHtmlProcessing ( oSettings ) + { + var nProcessing = document.createElement( 'div' ); + + if ( !oSettings.aanFeatures.r ) + { + nProcessing.id = oSettings.sTableId+'_processing'; + } + nProcessing.innerHTML = oSettings.oLanguage.sProcessing; + nProcessing.className = oSettings.oClasses.sProcessing; + oSettings.nTable.parentNode.insertBefore( nProcessing, oSettings.nTable ); + + return nProcessing; + } + + + /** + * Display or hide the processing indicator + * @param {object} oSettings dataTables settings object + * @param {bool} bShow Show the processing indicator (true) or not (false) + * @memberof DataTable#oApi + */ + function _fnProcessingDisplay ( oSettings, bShow ) + { + if ( oSettings.oFeatures.bProcessing ) + { + var an = oSettings.aanFeatures.r; + for ( var i=0, iLen=an.length ; i<iLen ; i++ ) + { + an[i].style.visibility = bShow ? "visible" : "hidden"; + } + } + + $(oSettings.oInstance).trigger('processing', [oSettings, bShow]); + } + + /** + * Add any control elements for the table - specifically scrolling + * @param {object} oSettings dataTables settings object + * @returns {node} Node to add to the DOM + * @memberof DataTable#oApi + */ + function _fnFeatureHtmlTable ( oSettings ) + { + /* Check if scrolling is enabled or not - if not then leave the DOM unaltered */ + if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" ) + { + return oSettings.nTable; + } + + /* + * The HTML structure that we want to generate in this function is: + * div - nScroller + * div - nScrollHead + * div - nScrollHeadInner + * table - nScrollHeadTable + * thead - nThead + * div - nScrollBody + * table - oSettings.nTable + * thead - nTheadSize + * tbody - nTbody + * div - nScrollFoot + * div - nScrollFootInner + * table - nScrollFootTable + * tfoot - nTfoot + */ + var + nScroller = document.createElement('div'), + nScrollHead = document.createElement('div'), + nScrollHeadInner = document.createElement('div'), + nScrollBody = document.createElement('div'), + nScrollFoot = document.createElement('div'), + nScrollFootInner = document.createElement('div'), + nScrollHeadTable = oSettings.nTable.cloneNode(false), + nScrollFootTable = oSettings.nTable.cloneNode(false), + nThead = oSettings.nTable.getElementsByTagName('thead')[0], + nTfoot = oSettings.nTable.getElementsByTagName('tfoot').length === 0 ? null : + oSettings.nTable.getElementsByTagName('tfoot')[0], + oClasses = oSettings.oClasses; + + nScrollHead.appendChild( nScrollHeadInner ); + nScrollFoot.appendChild( nScrollFootInner ); + nScrollBody.appendChild( oSettings.nTable ); + nScroller.appendChild( nScrollHead ); + nScroller.appendChild( nScrollBody ); + nScrollHeadInner.appendChild( nScrollHeadTable ); + nScrollHeadTable.appendChild( nThead ); + if ( nTfoot !== null ) + { + nScroller.appendChild( nScrollFoot ); + nScrollFootInner.appendChild( nScrollFootTable ); + nScrollFootTable.appendChild( nTfoot ); + } + + nScroller.className = oClasses.sScrollWrapper; + nScrollHead.className = oClasses.sScrollHead; + nScrollHeadInner.className = oClasses.sScrollHeadInner; + nScrollBody.className = oClasses.sScrollBody; + nScrollFoot.className = oClasses.sScrollFoot; + nScrollFootInner.className = oClasses.sScrollFootInner; + + if ( oSettings.oScroll.bAutoCss ) + { + nScrollHead.style.overflow = "hidden"; + nScrollHead.style.position = "relative"; + nScrollFoot.style.overflow = "hidden"; + nScrollBody.style.overflow = "auto"; + } + + nScrollHead.style.border = "0"; + nScrollHead.style.width = "100%"; + nScrollFoot.style.border = "0"; + nScrollHeadInner.style.width = oSettings.oScroll.sXInner !== "" ? + oSettings.oScroll.sXInner : "100%"; /* will be overwritten */ + + /* Modify attributes to respect the clones */ + nScrollHeadTable.removeAttribute('id'); + nScrollHeadTable.style.marginLeft = "0"; + oSettings.nTable.style.marginLeft = "0"; + if ( nTfoot !== null ) + { + nScrollFootTable.removeAttribute('id'); + nScrollFootTable.style.marginLeft = "0"; + } + + /* Move caption elements from the body to the header, footer or leave where it is + * depending on the configuration. Note that the DTD says there can be only one caption */ + var nCaption = $(oSettings.nTable).children('caption'); + if ( nCaption.length > 0 ) + { + nCaption = nCaption[0]; + if ( nCaption._captionSide === "top" ) + { + nScrollHeadTable.appendChild( nCaption ); + } + else if ( nCaption._captionSide === "bottom" && nTfoot ) + { + nScrollFootTable.appendChild( nCaption ); + } + } + + /* + * Sizing + */ + /* When x-scrolling add the width and a scroller to move the header with the body */ + if ( oSettings.oScroll.sX !== "" ) + { + nScrollHead.style.width = _fnStringToCss( oSettings.oScroll.sX ); + nScrollBody.style.width = _fnStringToCss( oSettings.oScroll.sX ); + + if ( nTfoot !== null ) + { + nScrollFoot.style.width = _fnStringToCss( oSettings.oScroll.sX ); + } + + /* When the body is scrolled, then we also want to scroll the headers */ + $(nScrollBody).scroll( function (e) { + nScrollHead.scrollLeft = this.scrollLeft; + + if ( nTfoot !== null ) + { + nScrollFoot.scrollLeft = this.scrollLeft; + } + } ); + } + + /* When yscrolling, add the height */ + if ( oSettings.oScroll.sY !== "" ) + { + nScrollBody.style.height = _fnStringToCss( oSettings.oScroll.sY ); + } + + /* Redraw - align columns across the tables */ + oSettings.aoDrawCallback.push( { + "fn": _fnScrollDraw, + "sName": "scrolling" + } ); + + /* Infinite scrolling event handlers */ + if ( oSettings.oScroll.bInfinite ) + { + $(nScrollBody).scroll( function() { + /* Use a blocker to stop scrolling from loading more data while other data is still loading */ + if ( !oSettings.bDrawing && $(this).scrollTop() !== 0 ) + { + /* Check if we should load the next data set */ + if ( $(this).scrollTop() + $(this).height() > + $(oSettings.nTable).height() - oSettings.oScroll.iLoadGap ) + { + /* Only do the redraw if we have to - we might be at the end of the data */ + if ( oSettings.fnDisplayEnd() < oSettings.fnRecordsDisplay() ) + { + _fnPageChange( oSettings, 'next' ); + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + } + } + } ); + } + + oSettings.nScrollHead = nScrollHead; + oSettings.nScrollFoot = nScrollFoot; + + return nScroller; + } + + + /** + * Update the various tables for resizing. It's a bit of a pig this function, but + * basically the idea to: + * 1. Re-create the table inside the scrolling div + * 2. Take live measurements from the DOM + * 3. Apply the measurements + * 4. Clean up + * @param {object} o dataTables settings object + * @returns {node} Node to add to the DOM + * @memberof DataTable#oApi + */ + function _fnScrollDraw ( o ) + { + var + nScrollHeadInner = o.nScrollHead.getElementsByTagName('div')[0], + nScrollHeadTable = nScrollHeadInner.getElementsByTagName('table')[0], + nScrollBody = o.nTable.parentNode, + i, iLen, j, jLen, anHeadToSize, anHeadSizers, anFootSizers, anFootToSize, oStyle, iVis, + nTheadSize, nTfootSize, + iWidth, aApplied=[], aAppliedFooter=[], iSanityWidth, + nScrollFootInner = (o.nTFoot !== null) ? o.nScrollFoot.getElementsByTagName('div')[0] : null, + nScrollFootTable = (o.nTFoot !== null) ? nScrollFootInner.getElementsByTagName('table')[0] : null, + ie67 = o.oBrowser.bScrollOversize, + zeroOut = function(nSizer) { + oStyle = nSizer.style; + oStyle.paddingTop = "0"; + oStyle.paddingBottom = "0"; + oStyle.borderTopWidth = "0"; + oStyle.borderBottomWidth = "0"; + oStyle.height = 0; + }; + + /* + * 1. Re-create the table inside the scrolling div + */ + + /* Remove the old minimised thead and tfoot elements in the inner table */ + $(o.nTable).children('thead, tfoot').remove(); + + /* Clone the current header and footer elements and then place it into the inner table */ + nTheadSize = $(o.nTHead).clone()[0]; + o.nTable.insertBefore( nTheadSize, o.nTable.childNodes[0] ); + anHeadToSize = o.nTHead.getElementsByTagName('tr'); + anHeadSizers = nTheadSize.getElementsByTagName('tr'); + + if ( o.nTFoot !== null ) + { + nTfootSize = $(o.nTFoot).clone()[0]; + o.nTable.insertBefore( nTfootSize, o.nTable.childNodes[1] ); + anFootToSize = o.nTFoot.getElementsByTagName('tr'); + anFootSizers = nTfootSize.getElementsByTagName('tr'); + } + + /* + * 2. Take live measurements from the DOM - do not alter the DOM itself! + */ + + /* Remove old sizing and apply the calculated column widths + * Get the unique column headers in the newly created (cloned) header. We want to apply the + * calculated sizes to this header + */ + if ( o.oScroll.sX === "" ) + { + nScrollBody.style.width = '100%'; + nScrollHeadInner.parentNode.style.width = '100%'; + } + + var nThs = _fnGetUniqueThs( o, nTheadSize ); + for ( i=0, iLen=nThs.length ; i<iLen ; i++ ) + { + iVis = _fnVisibleToColumnIndex( o, i ); + nThs[i].style.width = o.aoColumns[iVis].sWidth; + } + + if ( o.nTFoot !== null ) + { + _fnApplyToChildren( function(n) { + n.style.width = ""; + }, anFootSizers ); + } + + // If scroll collapse is enabled, when we put the headers back into the body for sizing, we + // will end up forcing the scrollbar to appear, making our measurements wrong for when we + // then hide it (end of this function), so add the header height to the body scroller. + if ( o.oScroll.bCollapse && o.oScroll.sY !== "" ) + { + nScrollBody.style.height = (nScrollBody.offsetHeight + o.nTHead.offsetHeight)+"px"; + } + + /* Size the table as a whole */ + iSanityWidth = $(o.nTable).outerWidth(); + if ( o.oScroll.sX === "" ) + { + /* No x scrolling */ + o.nTable.style.width = "100%"; + + /* I know this is rubbish - but IE7 will make the width of the table when 100% include + * the scrollbar - which is shouldn't. When there is a scrollbar we need to take this + * into account. + */ + if ( ie67 && ($('tbody', nScrollBody).height() > nScrollBody.offsetHeight || + $(nScrollBody).css('overflow-y') == "scroll") ) + { + o.nTable.style.width = _fnStringToCss( $(o.nTable).outerWidth() - o.oScroll.iBarWidth); + } + } + else + { + if ( o.oScroll.sXInner !== "" ) + { + /* x scroll inner has been given - use it */ + o.nTable.style.width = _fnStringToCss(o.oScroll.sXInner); + } + else if ( iSanityWidth == $(nScrollBody).width() && + $(nScrollBody).height() < $(o.nTable).height() ) + { + /* There is y-scrolling - try to take account of the y scroll bar */ + o.nTable.style.width = _fnStringToCss( iSanityWidth-o.oScroll.iBarWidth ); + if ( $(o.nTable).outerWidth() > iSanityWidth-o.oScroll.iBarWidth ) + { + /* Not possible to take account of it */ + o.nTable.style.width = _fnStringToCss( iSanityWidth ); + } + } + else + { + /* All else fails */ + o.nTable.style.width = _fnStringToCss( iSanityWidth ); + } + } + + /* Recalculate the sanity width - now that we've applied the required width, before it was + * a temporary variable. This is required because the column width calculation is done + * before this table DOM is created. + */ + iSanityWidth = $(o.nTable).outerWidth(); + + /* We want the hidden header to have zero height, so remove padding and borders. Then + * set the width based on the real headers + */ + + // Apply all styles in one pass. Invalidates layout only once because we don't read any + // DOM properties. + _fnApplyToChildren( zeroOut, anHeadSizers ); + + // Read all widths in next pass. Forces layout only once because we do not change + // any DOM properties. + _fnApplyToChildren( function(nSizer) { + aApplied.push( _fnStringToCss( $(nSizer).width() ) ); + }, anHeadSizers ); + + // Apply all widths in final pass. Invalidates layout only once because we do not + // read any DOM properties. + _fnApplyToChildren( function(nToSize, i) { + nToSize.style.width = aApplied[i]; + }, anHeadToSize ); + + $(anHeadSizers).height(0); + + /* Same again with the footer if we have one */ + if ( o.nTFoot !== null ) + { + _fnApplyToChildren( zeroOut, anFootSizers ); + + _fnApplyToChildren( function(nSizer) { + aAppliedFooter.push( _fnStringToCss( $(nSizer).width() ) ); + }, anFootSizers ); + + _fnApplyToChildren( function(nToSize, i) { + nToSize.style.width = aAppliedFooter[i]; + }, anFootToSize ); + + $(anFootSizers).height(0); + } + + /* + * 3. Apply the measurements + */ + + /* "Hide" the header and footer that we used for the sizing. We want to also fix their width + * to what they currently are + */ + _fnApplyToChildren( function(nSizer, i) { + nSizer.innerHTML = ""; + nSizer.style.width = aApplied[i]; + }, anHeadSizers ); + + if ( o.nTFoot !== null ) + { + _fnApplyToChildren( function(nSizer, i) { + nSizer.innerHTML = ""; + nSizer.style.width = aAppliedFooter[i]; + }, anFootSizers ); + } + + /* Sanity check that the table is of a sensible width. If not then we are going to get + * misalignment - try to prevent this by not allowing the table to shrink below its min width + */ + if ( $(o.nTable).outerWidth() < iSanityWidth ) + { + /* The min width depends upon if we have a vertical scrollbar visible or not */ + var iCorrection = ((nScrollBody.scrollHeight > nScrollBody.offsetHeight || + $(nScrollBody).css('overflow-y') == "scroll")) ? + iSanityWidth+o.oScroll.iBarWidth : iSanityWidth; + + /* IE6/7 are a law unto themselves... */ + if ( ie67 && (nScrollBody.scrollHeight > + nScrollBody.offsetHeight || $(nScrollBody).css('overflow-y') == "scroll") ) + { + o.nTable.style.width = _fnStringToCss( iCorrection-o.oScroll.iBarWidth ); + } + + /* Apply the calculated minimum width to the table wrappers */ + nScrollBody.style.width = _fnStringToCss( iCorrection ); + o.nScrollHead.style.width = _fnStringToCss( iCorrection ); + + if ( o.nTFoot !== null ) + { + o.nScrollFoot.style.width = _fnStringToCss( iCorrection ); + } + + /* And give the user a warning that we've stopped the table getting too small */ + if ( o.oScroll.sX === "" ) + { + _fnLog( o, 1, "The table cannot fit into the current element which will cause column"+ + " misalignment. The table has been drawn at its minimum possible width." ); + } + else if ( o.oScroll.sXInner !== "" ) + { + _fnLog( o, 1, "The table cannot fit into the current element which will cause column"+ + " misalignment. Increase the sScrollXInner value or remove it to allow automatic"+ + " calculation" ); + } + } + else + { + nScrollBody.style.width = _fnStringToCss( '100%' ); + o.nScrollHead.style.width = _fnStringToCss( '100%' ); + + if ( o.nTFoot !== null ) + { + o.nScrollFoot.style.width = _fnStringToCss( '100%' ); + } + } + + + /* + * 4. Clean up + */ + if ( o.oScroll.sY === "" ) + { + /* IE7< puts a vertical scrollbar in place (when it shouldn't be) due to subtracting + * the scrollbar height from the visible display, rather than adding it on. We need to + * set the height in order to sort this. Don't want to do it in any other browsers. + */ + if ( ie67 ) + { + nScrollBody.style.height = _fnStringToCss( o.nTable.offsetHeight+o.oScroll.iBarWidth ); + } + } + + if ( o.oScroll.sY !== "" && o.oScroll.bCollapse ) + { + nScrollBody.style.height = _fnStringToCss( o.oScroll.sY ); + + var iExtra = (o.oScroll.sX !== "" && o.nTable.offsetWidth > nScrollBody.offsetWidth) ? + o.oScroll.iBarWidth : 0; + if ( o.nTable.offsetHeight < nScrollBody.offsetHeight ) + { + nScrollBody.style.height = _fnStringToCss( o.nTable.offsetHeight+iExtra ); + } + } + + /* Finally set the width's of the header and footer tables */ + var iOuterWidth = $(o.nTable).outerWidth(); + nScrollHeadTable.style.width = _fnStringToCss( iOuterWidth ); + nScrollHeadInner.style.width = _fnStringToCss( iOuterWidth ); + + // Figure out if there are scrollbar present - if so then we need a the header and footer to + // provide a bit more space to allow "overflow" scrolling (i.e. past the scrollbar) + var bScrolling = $(o.nTable).height() > nScrollBody.clientHeight || $(nScrollBody).css('overflow-y') == "scroll"; + nScrollHeadInner.style.paddingRight = bScrolling ? o.oScroll.iBarWidth+"px" : "0px"; + + if ( o.nTFoot !== null ) + { + nScrollFootTable.style.width = _fnStringToCss( iOuterWidth ); + nScrollFootInner.style.width = _fnStringToCss( iOuterWidth ); + nScrollFootInner.style.paddingRight = bScrolling ? o.oScroll.iBarWidth+"px" : "0px"; + } + + /* Adjust the position of the header in case we loose the y-scrollbar */ + $(nScrollBody).scroll(); + + /* If sorting or filtering has occurred, jump the scrolling back to the top */ + if ( o.bSorted || o.bFiltered ) + { + nScrollBody.scrollTop = 0; + } + } + + + /** + * Apply a given function to the display child nodes of an element array (typically + * TD children of TR rows + * @param {function} fn Method to apply to the objects + * @param array {nodes} an1 List of elements to look through for display children + * @param array {nodes} an2 Another list (identical structure to the first) - optional + * @memberof DataTable#oApi + */ + function _fnApplyToChildren( fn, an1, an2 ) + { + var index=0, i=0, iLen=an1.length; + var nNode1, nNode2; + + while ( i < iLen ) + { + nNode1 = an1[i].firstChild; + nNode2 = an2 ? an2[i].firstChild : null; + while ( nNode1 ) + { + if ( nNode1.nodeType === 1 ) + { + if ( an2 ) + { + fn( nNode1, nNode2, index ); + } + else + { + fn( nNode1, index ); + } + index++; + } + nNode1 = nNode1.nextSibling; + nNode2 = an2 ? nNode2.nextSibling : null; + } + i++; + } + } + + /** + * Convert a CSS unit width to pixels (e.g. 2em) + * @param {string} sWidth width to be converted + * @param {node} nParent parent to get the with for (required for relative widths) - optional + * @returns {int} iWidth width in pixels + * @memberof DataTable#oApi + */ + function _fnConvertToWidth ( sWidth, nParent ) + { + if ( !sWidth || sWidth === null || sWidth === '' ) + { + return 0; + } + + if ( !nParent ) + { + nParent = document.body; + } + + var iWidth; + var nTmp = document.createElement( "div" ); + nTmp.style.width = _fnStringToCss( sWidth ); + + nParent.appendChild( nTmp ); + iWidth = nTmp.offsetWidth; + nParent.removeChild( nTmp ); + + return ( iWidth ); + } + + + /** + * Calculate the width of columns for the table + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnCalculateColumnWidths ( oSettings ) + { + var iTableWidth = oSettings.nTable.offsetWidth; + var iUserInputs = 0; + var iTmpWidth; + var iVisibleColumns = 0; + var iColums = oSettings.aoColumns.length; + var i, iIndex, iCorrector, iWidth; + var oHeaders = $('th', oSettings.nTHead); + var widthAttr = oSettings.nTable.getAttribute('width'); + var nWrapper = oSettings.nTable.parentNode; + + /* Convert any user input sizes into pixel sizes */ + for ( i=0 ; i<iColums ; i++ ) + { + if ( oSettings.aoColumns[i].bVisible ) + { + iVisibleColumns++; + + if ( oSettings.aoColumns[i].sWidth !== null ) + { + iTmpWidth = _fnConvertToWidth( oSettings.aoColumns[i].sWidthOrig, + nWrapper ); + if ( iTmpWidth !== null ) + { + oSettings.aoColumns[i].sWidth = _fnStringToCss( iTmpWidth ); + } + + iUserInputs++; + } + } + } + + /* If the number of columns in the DOM equals the number that we have to process in + * DataTables, then we can use the offsets that are created by the web-browser. No custom + * sizes can be set in order for this to happen, nor scrolling used + */ + if ( iColums == oHeaders.length && iUserInputs === 0 && iVisibleColumns == iColums && + oSettings.oScroll.sX === "" && oSettings.oScroll.sY === "" ) + { + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + iTmpWidth = $(oHeaders[i]).width(); + if ( iTmpWidth !== null ) + { + oSettings.aoColumns[i].sWidth = _fnStringToCss( iTmpWidth ); + } + } + } + else + { + /* Otherwise we are going to have to do some calculations to get the width of each column. + * Construct a 1 row table with the widest node in the data, and any user defined widths, + * then insert it into the DOM and allow the browser to do all the hard work of + * calculating table widths. + */ + var + nCalcTmp = oSettings.nTable.cloneNode( false ), + nTheadClone = oSettings.nTHead.cloneNode(true), + nBody = document.createElement( 'tbody' ), + nTr = document.createElement( 'tr' ), + nDivSizing; + + nCalcTmp.removeAttribute( "id" ); + nCalcTmp.appendChild( nTheadClone ); + if ( oSettings.nTFoot !== null ) + { + nCalcTmp.appendChild( oSettings.nTFoot.cloneNode(true) ); + _fnApplyToChildren( function(n) { + n.style.width = ""; + }, nCalcTmp.getElementsByTagName('tr') ); + } + + nCalcTmp.appendChild( nBody ); + nBody.appendChild( nTr ); + + /* Remove any sizing that was previously applied by the styles */ + var jqColSizing = $('thead th', nCalcTmp); + if ( jqColSizing.length === 0 ) + { + jqColSizing = $('tbody tr:eq(0)>td', nCalcTmp); + } + + /* Apply custom sizing to the cloned header */ + var nThs = _fnGetUniqueThs( oSettings, nTheadClone ); + iCorrector = 0; + for ( i=0 ; i<iColums ; i++ ) + { + var oColumn = oSettings.aoColumns[i]; + if ( oColumn.bVisible && oColumn.sWidthOrig !== null && oColumn.sWidthOrig !== "" ) + { + nThs[i-iCorrector].style.width = _fnStringToCss( oColumn.sWidthOrig ); + } + else if ( oColumn.bVisible ) + { + nThs[i-iCorrector].style.width = ""; + } + else + { + iCorrector++; + } + } + + /* Find the biggest td for each column and put it into the table */ + for ( i=0 ; i<iColums ; i++ ) + { + if ( oSettings.aoColumns[i].bVisible ) + { + var nTd = _fnGetWidestNode( oSettings, i ); + if ( nTd !== null ) + { + nTd = nTd.cloneNode(true); + if ( oSettings.aoColumns[i].sContentPadding !== "" ) + { + nTd.innerHTML += oSettings.aoColumns[i].sContentPadding; + } + nTr.appendChild( nTd ); + } + } + } + + /* Build the table and 'display' it */ + nWrapper.appendChild( nCalcTmp ); + + /* When scrolling (X or Y) we want to set the width of the table as appropriate. However, + * when not scrolling leave the table width as it is. This results in slightly different, + * but I think correct behaviour + */ + if ( oSettings.oScroll.sX !== "" && oSettings.oScroll.sXInner !== "" ) + { + nCalcTmp.style.width = _fnStringToCss(oSettings.oScroll.sXInner); + } + else if ( oSettings.oScroll.sX !== "" ) + { + nCalcTmp.style.width = ""; + if ( $(nCalcTmp).width() < nWrapper.offsetWidth ) + { + nCalcTmp.style.width = _fnStringToCss( nWrapper.offsetWidth ); + } + } + else if ( oSettings.oScroll.sY !== "" ) + { + nCalcTmp.style.width = _fnStringToCss( nWrapper.offsetWidth ); + } + else if ( widthAttr ) + { + nCalcTmp.style.width = _fnStringToCss( widthAttr ); + } + nCalcTmp.style.visibility = "hidden"; + + /* Scrolling considerations */ + _fnScrollingWidthAdjust( oSettings, nCalcTmp ); + + /* Read the width's calculated by the browser and store them for use by the caller. We + * first of all try to use the elements in the body, but it is possible that there are + * no elements there, under which circumstances we use the header elements + */ + var oNodes = $("tbody tr:eq(0)", nCalcTmp).children(); + if ( oNodes.length === 0 ) + { + oNodes = _fnGetUniqueThs( oSettings, $('thead', nCalcTmp)[0] ); + } + + /* Browsers need a bit of a hand when a width is assigned to any columns when + * x-scrolling as they tend to collapse the table to the min-width, even if + * we sent the column widths. So we need to keep track of what the table width + * should be by summing the user given values, and the automatic values + */ + if ( oSettings.oScroll.sX !== "" ) + { + var iTotal = 0; + iCorrector = 0; + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + if ( oSettings.aoColumns[i].bVisible ) + { + if ( oSettings.aoColumns[i].sWidthOrig === null ) + { + iTotal += $(oNodes[iCorrector]).outerWidth(); + } + else + { + iTotal += parseInt(oSettings.aoColumns[i].sWidth.replace('px',''), 10) + + ($(oNodes[iCorrector]).outerWidth() - $(oNodes[iCorrector]).width()); + } + iCorrector++; + } + } + + nCalcTmp.style.width = _fnStringToCss( iTotal ); + oSettings.nTable.style.width = _fnStringToCss( iTotal ); + } + + iCorrector = 0; + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + if ( oSettings.aoColumns[i].bVisible ) + { + iWidth = $(oNodes[iCorrector]).width(); + if ( iWidth !== null && iWidth > 0 ) + { + oSettings.aoColumns[i].sWidth = _fnStringToCss( iWidth ); + } + iCorrector++; + } + } + + var cssWidth = $(nCalcTmp).css('width'); + oSettings.nTable.style.width = (cssWidth.indexOf('%') !== -1) ? + cssWidth : _fnStringToCss( $(nCalcTmp).outerWidth() ); + nCalcTmp.parentNode.removeChild( nCalcTmp ); + } + + if ( widthAttr ) + { + oSettings.nTable.style.width = _fnStringToCss( widthAttr ); + } + } + + + /** + * Adjust a table's width to take account of scrolling + * @param {object} oSettings dataTables settings object + * @param {node} n table node + * @memberof DataTable#oApi + */ + function _fnScrollingWidthAdjust ( oSettings, n ) + { + if ( oSettings.oScroll.sX === "" && oSettings.oScroll.sY !== "" ) + { + /* When y-scrolling only, we want to remove the width of the scroll bar so the table + * + scroll bar will fit into the area avaialble. + */ + var iOrigWidth = $(n).width(); + n.style.width = _fnStringToCss( $(n).outerWidth()-oSettings.oScroll.iBarWidth ); + } + else if ( oSettings.oScroll.sX !== "" ) + { + /* When x-scrolling both ways, fix the table at it's current size, without adjusting */ + n.style.width = _fnStringToCss( $(n).outerWidth() ); + } + } + + + /** + * Get the widest node + * @param {object} oSettings dataTables settings object + * @param {int} iCol column of interest + * @returns {node} widest table node + * @memberof DataTable#oApi + */ + function _fnGetWidestNode( oSettings, iCol ) + { + var iMaxIndex = _fnGetMaxLenString( oSettings, iCol ); + if ( iMaxIndex < 0 ) + { + return null; + } + + if ( oSettings.aoData[iMaxIndex].nTr === null ) + { + var n = document.createElement('td'); + n.innerHTML = _fnGetCellData( oSettings, iMaxIndex, iCol, '' ); + return n; + } + return _fnGetTdNodes(oSettings, iMaxIndex)[iCol]; + } + + + /** + * Get the maximum strlen for each data column + * @param {object} oSettings dataTables settings object + * @param {int} iCol column of interest + * @returns {string} max string length for each column + * @memberof DataTable#oApi + */ + function _fnGetMaxLenString( oSettings, iCol ) + { + var iMax = -1; + var iMaxIndex = -1; + + for ( var i=0 ; i<oSettings.aoData.length ; i++ ) + { + var s = _fnGetCellData( oSettings, i, iCol, 'display' )+""; + s = s.replace( /<.*?>/g, "" ); + if ( s.length > iMax ) + { + iMax = s.length; + iMaxIndex = i; + } + } + + return iMaxIndex; + } + + + /** + * Append a CSS unit (only if required) to a string + * @param {array} aArray1 first array + * @param {array} aArray2 second array + * @returns {int} 0 if match, 1 if length is different, 2 if no match + * @memberof DataTable#oApi + */ + function _fnStringToCss( s ) + { + if ( s === null ) + { + return "0px"; + } + + if ( typeof s == 'number' ) + { + if ( s < 0 ) + { + return "0px"; + } + return s+"px"; + } + + /* Check if the last character is not 0-9 */ + var c = s.charCodeAt( s.length-1 ); + if (c < 0x30 || c > 0x39) + { + return s; + } + return s+"px"; + } + + + /** + * Get the width of a scroll bar in this browser being used + * @returns {int} width in pixels + * @memberof DataTable#oApi + */ + function _fnScrollBarWidth () + { + var inner = document.createElement('p'); + var style = inner.style; + style.width = "100%"; + style.height = "200px"; + style.padding = "0px"; + + var outer = document.createElement('div'); + style = outer.style; + style.position = "absolute"; + style.top = "0px"; + style.left = "0px"; + style.visibility = "hidden"; + style.width = "200px"; + style.height = "150px"; + style.padding = "0px"; + style.overflow = "hidden"; + outer.appendChild(inner); + + document.body.appendChild(outer); + var w1 = inner.offsetWidth; + outer.style.overflow = 'scroll'; + var w2 = inner.offsetWidth; + if ( w1 == w2 ) + { + w2 = outer.clientWidth; + } + + document.body.removeChild(outer); + return (w1 - w2); + } + + /** + * Change the order of the table + * @param {object} oSettings dataTables settings object + * @param {bool} bApplyClasses optional - should we apply classes or not + * @memberof DataTable#oApi + */ + function _fnSort ( oSettings, bApplyClasses ) + { + var + i, iLen, j, jLen, k, kLen, + sDataType, nTh, + aaSort = [], + aiOrig = [], + oSort = DataTable.ext.oSort, + aoData = oSettings.aoData, + aoColumns = oSettings.aoColumns, + oAria = oSettings.oLanguage.oAria; + + /* No sorting required if server-side or no sorting array */ + if ( !oSettings.oFeatures.bServerSide && + (oSettings.aaSorting.length !== 0 || oSettings.aaSortingFixed !== null) ) + { + aaSort = ( oSettings.aaSortingFixed !== null ) ? + oSettings.aaSortingFixed.concat( oSettings.aaSorting ) : + oSettings.aaSorting.slice(); + + /* If there is a sorting data type, and a function belonging to it, then we need to + * get the data from the developer's function and apply it for this column + */ + for ( i=0 ; i<aaSort.length ; i++ ) + { + var iColumn = aaSort[i][0]; + var iVisColumn = _fnColumnIndexToVisible( oSettings, iColumn ); + sDataType = oSettings.aoColumns[ iColumn ].sSortDataType; + if ( DataTable.ext.afnSortData[sDataType] ) + { + var aData = DataTable.ext.afnSortData[sDataType].call( + oSettings.oInstance, oSettings, iColumn, iVisColumn + ); + if ( aData.length === aoData.length ) + { + for ( j=0, jLen=aoData.length ; j<jLen ; j++ ) + { + _fnSetCellData( oSettings, j, iColumn, aData[j] ); + } + } + else + { + _fnLog( oSettings, 0, "Returned data sort array (col "+iColumn+") is the wrong length" ); + } + } + } + + /* Create a value - key array of the current row positions such that we can use their + * current position during the sort, if values match, in order to perform stable sorting + */ + for ( i=0, iLen=oSettings.aiDisplayMaster.length ; i<iLen ; i++ ) + { + aiOrig[ oSettings.aiDisplayMaster[i] ] = i; + } + + /* Build an internal data array which is specific to the sort, so we can get and prep + * the data to be sorted only once, rather than needing to do it every time the sorting + * function runs. This make the sorting function a very simple comparison + */ + var iSortLen = aaSort.length; + var fnSortFormat, aDataSort; + for ( i=0, iLen=aoData.length ; i<iLen ; i++ ) + { + for ( j=0 ; j<iSortLen ; j++ ) + { + aDataSort = aoColumns[ aaSort[j][0] ].aDataSort; + + for ( k=0, kLen=aDataSort.length ; k<kLen ; k++ ) + { + sDataType = aoColumns[ aDataSort[k] ].sType; + fnSortFormat = oSort[ (sDataType ? sDataType : 'string')+"-pre" ]; + + aoData[i]._aSortData[ aDataSort[k] ] = fnSortFormat ? + fnSortFormat( _fnGetCellData( oSettings, i, aDataSort[k], 'sort' ) ) : + _fnGetCellData( oSettings, i, aDataSort[k], 'sort' ); + } + } + } + + /* Do the sort - here we want multi-column sorting based on a given data source (column) + * and sorting function (from oSort) in a certain direction. It's reasonably complex to + * follow on it's own, but this is what we want (example two column sorting): + * fnLocalSorting = function(a,b){ + * var iTest; + * iTest = oSort['string-asc']('data11', 'data12'); + * if (iTest !== 0) + * return iTest; + * iTest = oSort['numeric-desc']('data21', 'data22'); + * if (iTest !== 0) + * return iTest; + * return oSort['numeric-asc']( aiOrig[a], aiOrig[b] ); + * } + * Basically we have a test for each sorting column, if the data in that column is equal, + * test the next column. If all columns match, then we use a numeric sort on the row + * positions in the original data array to provide a stable sort. + */ + oSettings.aiDisplayMaster.sort( function ( a, b ) { + var k, l, lLen, iTest, aDataSort, sDataType; + for ( k=0 ; k<iSortLen ; k++ ) + { + aDataSort = aoColumns[ aaSort[k][0] ].aDataSort; + + for ( l=0, lLen=aDataSort.length ; l<lLen ; l++ ) + { + sDataType = aoColumns[ aDataSort[l] ].sType; + + iTest = oSort[ (sDataType ? sDataType : 'string')+"-"+aaSort[k][1] ]( + aoData[a]._aSortData[ aDataSort[l] ], + aoData[b]._aSortData[ aDataSort[l] ] + ); + + if ( iTest !== 0 ) + { + return iTest; + } + } + } + + return oSort['numeric-asc']( aiOrig[a], aiOrig[b] ); + } ); + } + + /* Alter the sorting classes to take account of the changes */ + if ( (bApplyClasses === undefined || bApplyClasses) && !oSettings.oFeatures.bDeferRender ) + { + _fnSortingClasses( oSettings ); + } + + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + var sTitle = aoColumns[i].sTitle.replace( /<.*?>/g, "" ); + nTh = aoColumns[i].nTh; + nTh.removeAttribute('aria-sort'); + nTh.removeAttribute('aria-label'); + + /* In ARIA only the first sorting column can be marked as sorting - no multi-sort option */ + if ( aoColumns[i].bSortable ) + { + if ( aaSort.length > 0 && aaSort[0][0] == i ) + { + nTh.setAttribute('aria-sort', aaSort[0][1]=="asc" ? "ascending" : "descending" ); + + var nextSort = (aoColumns[i].asSorting[ aaSort[0][2]+1 ]) ? + aoColumns[i].asSorting[ aaSort[0][2]+1 ] : aoColumns[i].asSorting[0]; + nTh.setAttribute('aria-label', sTitle+ + (nextSort=="asc" ? oAria.sSortAscending : oAria.sSortDescending) ); + } + else + { + nTh.setAttribute('aria-label', sTitle+ + (aoColumns[i].asSorting[0]=="asc" ? oAria.sSortAscending : oAria.sSortDescending) ); + } + } + else + { + nTh.setAttribute('aria-label', sTitle); + } + } + + /* Tell the draw function that we have sorted the data */ + oSettings.bSorted = true; + $(oSettings.oInstance).trigger('sort', oSettings); + + /* Copy the master data into the draw array and re-draw */ + if ( oSettings.oFeatures.bFilter ) + { + /* _fnFilter() will redraw the table for us */ + _fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 ); + } + else + { + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + oSettings._iDisplayStart = 0; /* reset display back to page 0 */ + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + } + + + /** + * Attach a sort handler (click) to a node + * @param {object} oSettings dataTables settings object + * @param {node} nNode node to attach the handler to + * @param {int} iDataIndex column sorting index + * @param {function} [fnCallback] callback function + * @memberof DataTable#oApi + */ + function _fnSortAttachListener ( oSettings, nNode, iDataIndex, fnCallback ) + { + _fnBindAction( nNode, {}, function (e) { + /* If the column is not sortable - don't to anything */ + if ( oSettings.aoColumns[iDataIndex].bSortable === false ) + { + return; + } + + /* + * This is a little bit odd I admit... I declare a temporary function inside the scope of + * _fnBuildHead and the click handler in order that the code presented here can be used + * twice - once for when bProcessing is enabled, and another time for when it is + * disabled, as we need to perform slightly different actions. + * Basically the issue here is that the Javascript engine in modern browsers don't + * appear to allow the rendering engine to update the display while it is still executing + * it's thread (well - it does but only after long intervals). This means that the + * 'processing' display doesn't appear for a table sort. To break the js thread up a bit + * I force an execution break by using setTimeout - but this breaks the expected + * thread continuation for the end-developer's point of view (their code would execute + * too early), so we only do it when we absolutely have to. + */ + var fnInnerSorting = function () { + var iColumn, iNextSort; + + /* If the shift key is pressed then we are multiple column sorting */ + if ( e.shiftKey ) + { + /* Are we already doing some kind of sort on this column? */ + var bFound = false; + for ( var i=0 ; i<oSettings.aaSorting.length ; i++ ) + { + if ( oSettings.aaSorting[i][0] == iDataIndex ) + { + bFound = true; + iColumn = oSettings.aaSorting[i][0]; + iNextSort = oSettings.aaSorting[i][2]+1; + + if ( !oSettings.aoColumns[iColumn].asSorting[iNextSort] ) + { + /* Reached the end of the sorting options, remove from multi-col sort */ + oSettings.aaSorting.splice( i, 1 ); + } + else + { + /* Move onto next sorting direction */ + oSettings.aaSorting[i][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort]; + oSettings.aaSorting[i][2] = iNextSort; + } + break; + } + } + + /* No sort yet - add it in */ + if ( bFound === false ) + { + oSettings.aaSorting.push( [ iDataIndex, + oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] ); + } + } + else + { + /* If no shift key then single column sort */ + if ( oSettings.aaSorting.length == 1 && oSettings.aaSorting[0][0] == iDataIndex ) + { + iColumn = oSettings.aaSorting[0][0]; + iNextSort = oSettings.aaSorting[0][2]+1; + if ( !oSettings.aoColumns[iColumn].asSorting[iNextSort] ) + { + iNextSort = 0; + } + oSettings.aaSorting[0][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort]; + oSettings.aaSorting[0][2] = iNextSort; + } + else + { + oSettings.aaSorting.splice( 0, oSettings.aaSorting.length ); + oSettings.aaSorting.push( [ iDataIndex, + oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] ); + } + } + + /* Run the sort */ + _fnSort( oSettings ); + }; /* /fnInnerSorting */ + + if ( !oSettings.oFeatures.bProcessing ) + { + fnInnerSorting(); + } + else + { + _fnProcessingDisplay( oSettings, true ); + setTimeout( function() { + fnInnerSorting(); + if ( !oSettings.oFeatures.bServerSide ) + { + _fnProcessingDisplay( oSettings, false ); + } + }, 0 ); + } + + /* Call the user specified callback function - used for async user interaction */ + if ( typeof fnCallback == 'function' ) + { + fnCallback( oSettings ); + } + } ); + } + + + /** + * Set the sorting classes on the header, Note: it is safe to call this function + * when bSort and bSortClasses are false + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnSortingClasses( oSettings ) + { + var i, iLen, j, jLen, iFound; + var aaSort, sClass; + var iColumns = oSettings.aoColumns.length; + var oClasses = oSettings.oClasses; + + for ( i=0 ; i<iColumns ; i++ ) + { + if ( oSettings.aoColumns[i].bSortable ) + { + $(oSettings.aoColumns[i].nTh).removeClass( oClasses.sSortAsc +" "+ oClasses.sSortDesc + + " "+ oSettings.aoColumns[i].sSortingClass ); + } + } + + if ( oSettings.aaSortingFixed !== null ) + { + aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting ); + } + else + { + aaSort = oSettings.aaSorting.slice(); + } + + /* Apply the required classes to the header */ + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + if ( oSettings.aoColumns[i].bSortable ) + { + sClass = oSettings.aoColumns[i].sSortingClass; + iFound = -1; + for ( j=0 ; j<aaSort.length ; j++ ) + { + if ( aaSort[j][0] == i ) + { + sClass = ( aaSort[j][1] == "asc" ) ? + oClasses.sSortAsc : oClasses.sSortDesc; + iFound = j; + break; + } + } + $(oSettings.aoColumns[i].nTh).addClass( sClass ); + + if ( oSettings.bJUI ) + { + /* jQuery UI uses extra markup */ + var jqSpan = $("span."+oClasses.sSortIcon, oSettings.aoColumns[i].nTh); + jqSpan.removeClass(oClasses.sSortJUIAsc +" "+ oClasses.sSortJUIDesc +" "+ + oClasses.sSortJUI +" "+ oClasses.sSortJUIAscAllowed +" "+ oClasses.sSortJUIDescAllowed ); + + var sSpanClass; + if ( iFound == -1 ) + { + sSpanClass = oSettings.aoColumns[i].sSortingClassJUI; + } + else if ( aaSort[iFound][1] == "asc" ) + { + sSpanClass = oClasses.sSortJUIAsc; + } + else + { + sSpanClass = oClasses.sSortJUIDesc; + } + + jqSpan.addClass( sSpanClass ); + } + } + else + { + /* No sorting on this column, so add the base class. This will have been assigned by + * _fnAddColumn + */ + $(oSettings.aoColumns[i].nTh).addClass( oSettings.aoColumns[i].sSortingClass ); + } + } + + /* + * Apply the required classes to the table body + * Note that this is given as a feature switch since it can significantly slow down a sort + * on large data sets (adding and removing of classes is always slow at the best of times..) + * Further to this, note that this code is admittedly fairly ugly. It could be made a lot + * simpler using jQuery selectors and add/removeClass, but that is significantly slower + * (on the order of 5 times slower) - hence the direct DOM manipulation here. + * Note that for deferred drawing we do use jQuery - the reason being that taking the first + * row found to see if the whole column needs processed can miss classes since the first + * column might be new. + */ + sClass = oClasses.sSortColumn; + + if ( oSettings.oFeatures.bSort && oSettings.oFeatures.bSortClasses ) + { + var nTds = _fnGetTdNodes( oSettings ); + + /* Determine what the sorting class for each column should be */ + var iClass, iTargetCol; + var asClasses = []; + for (i = 0; i < iColumns; i++) + { + asClasses.push(""); + } + for (i = 0, iClass = 1; i < aaSort.length; i++) + { + iTargetCol = parseInt( aaSort[i][0], 10 ); + asClasses[iTargetCol] = sClass + iClass; + + if ( iClass < 3 ) + { + iClass++; + } + } + + /* Make changes to the classes for each cell as needed */ + var reClass = new RegExp(sClass + "[123]"); + var sTmpClass, sCurrentClass, sNewClass; + for ( i=0, iLen=nTds.length; i<iLen; i++ ) + { + /* Determine which column we're looking at */ + iTargetCol = i % iColumns; + + /* What is the full list of classes now */ + sCurrentClass = nTds[i].className; + /* What sorting class should be applied? */ + sNewClass = asClasses[iTargetCol]; + /* What would the new full list be if we did a replacement? */ + sTmpClass = sCurrentClass.replace(reClass, sNewClass); + + if ( sTmpClass != sCurrentClass ) + { + /* We changed something */ + nTds[i].className = $.trim( sTmpClass ); + } + else if ( sNewClass.length > 0 && sCurrentClass.indexOf(sNewClass) == -1 ) + { + /* We need to add a class */ + nTds[i].className = sCurrentClass + " " + sNewClass; + } + } + } + } + + + + /** + * Save the state of a table in a cookie such that the page can be reloaded + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnSaveState ( oSettings ) + { + if ( !oSettings.oFeatures.bStateSave || oSettings.bDestroying ) + { + return; + } + + /* Store the interesting variables */ + var i, iLen, bInfinite=oSettings.oScroll.bInfinite; + var oState = { + "iCreate": new Date().getTime(), + "iStart": (bInfinite ? 0 : oSettings._iDisplayStart), + "iEnd": (bInfinite ? oSettings._iDisplayLength : oSettings._iDisplayEnd), + "iLength": oSettings._iDisplayLength, + "aaSorting": $.extend( true, [], oSettings.aaSorting ), + "oSearch": $.extend( true, {}, oSettings.oPreviousSearch ), + "aoSearchCols": $.extend( true, [], oSettings.aoPreSearchCols ), + "abVisCols": [] + }; + + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + oState.abVisCols.push( oSettings.aoColumns[i].bVisible ); + } + + _fnCallbackFire( oSettings, "aoStateSaveParams", 'stateSaveParams', [oSettings, oState] ); + + oSettings.fnStateSave.call( oSettings.oInstance, oSettings, oState ); + } + + + /** + * Attempt to load a saved table state from a cookie + * @param {object} oSettings dataTables settings object + * @param {object} oInit DataTables init object so we can override settings + * @memberof DataTable#oApi + */ + function _fnLoadState ( oSettings, oInit ) + { + if ( !oSettings.oFeatures.bStateSave ) + { + return; + } + + var oData = oSettings.fnStateLoad.call( oSettings.oInstance, oSettings ); + if ( !oData ) + { + return; + } + + /* Allow custom and plug-in manipulation functions to alter the saved data set and + * cancelling of loading by returning false + */ + var abStateLoad = _fnCallbackFire( oSettings, 'aoStateLoadParams', 'stateLoadParams', [oSettings, oData] ); + if ( $.inArray( false, abStateLoad ) !== -1 ) + { + return; + } + + /* Store the saved state so it might be accessed at any time */ + oSettings.oLoadedState = $.extend( true, {}, oData ); + + /* Restore key features */ + oSettings._iDisplayStart = oData.iStart; + oSettings.iInitDisplayStart = oData.iStart; + oSettings._iDisplayEnd = oData.iEnd; + oSettings._iDisplayLength = oData.iLength; + oSettings.aaSorting = oData.aaSorting.slice(); + oSettings.saved_aaSorting = oData.aaSorting.slice(); + + /* Search filtering */ + $.extend( oSettings.oPreviousSearch, oData.oSearch ); + $.extend( true, oSettings.aoPreSearchCols, oData.aoSearchCols ); + + /* Column visibility state + * Pass back visibility settings to the init handler, but to do not here override + * the init object that the user might have passed in + */ + oInit.saved_aoColumns = []; + for ( var i=0 ; i<oData.abVisCols.length ; i++ ) + { + oInit.saved_aoColumns[i] = {}; + oInit.saved_aoColumns[i].bVisible = oData.abVisCols[i]; + } + + _fnCallbackFire( oSettings, 'aoStateLoaded', 'stateLoaded', [oSettings, oData] ); + } + + + /** + * Create a new cookie with a value to store the state of a table + * @param {string} sName name of the cookie to create + * @param {string} sValue the value the cookie should take + * @param {int} iSecs duration of the cookie + * @param {string} sBaseName sName is made up of the base + file name - this is the base + * @param {function} fnCallback User definable function to modify the cookie + * @memberof DataTable#oApi + */ + function _fnCreateCookie ( sName, sValue, iSecs, sBaseName, fnCallback ) + { + var date = new Date(); + date.setTime( date.getTime()+(iSecs*1000) ); + + /* + * Shocking but true - it would appear IE has major issues with having the path not having + * a trailing slash on it. We need the cookie to be available based on the path, so we + * have to append the file name to the cookie name. Appalling. Thanks to vex for adding the + * patch to use at least some of the path + */ + var aParts = window.location.pathname.split('/'); + var sNameFile = sName + '_' + aParts.pop().replace(/[\/:]/g,"").toLowerCase(); + var sFullCookie, oData; + + if ( fnCallback !== null ) + { + oData = (typeof $.parseJSON === 'function') ? + $.parseJSON( sValue ) : eval( '('+sValue+')' ); + sFullCookie = fnCallback( sNameFile, oData, date.toGMTString(), + aParts.join('/')+"/" ); + } + else + { + sFullCookie = sNameFile + "=" + encodeURIComponent(sValue) + + "; expires=" + date.toGMTString() +"; path=" + aParts.join('/')+"/"; + } + + /* Are we going to go over the cookie limit of 4KiB? If so, try to delete a cookies + * belonging to DataTables. + */ + var + aCookies =document.cookie.split(';'), + iNewCookieLen = sFullCookie.split(';')[0].length, + aOldCookies = []; + + if ( iNewCookieLen+document.cookie.length+10 > 4096 ) /* Magic 10 for padding */ + { + for ( var i=0, iLen=aCookies.length ; i<iLen ; i++ ) + { + if ( aCookies[i].indexOf( sBaseName ) != -1 ) + { + /* It's a DataTables cookie, so eval it and check the time stamp */ + var aSplitCookie = aCookies[i].split('='); + try { + oData = eval( '('+decodeURIComponent(aSplitCookie[1])+')' ); + + if ( oData && oData.iCreate ) + { + aOldCookies.push( { + "name": aSplitCookie[0], + "time": oData.iCreate + } ); + } + } + catch( e ) {} + } + } + + // Make sure we delete the oldest ones first + aOldCookies.sort( function (a, b) { + return b.time - a.time; + } ); + + // Eliminate as many old DataTables cookies as we need to + while ( iNewCookieLen + document.cookie.length + 10 > 4096 ) { + if ( aOldCookies.length === 0 ) { + // Deleted all DT cookies and still not enough space. Can't state save + return; + } + + var old = aOldCookies.pop(); + document.cookie = old.name+"=; expires=Thu, 01-Jan-1970 00:00:01 GMT; path="+ + aParts.join('/') + "/"; + } + } + + document.cookie = sFullCookie; + } + + + /** + * Read an old cookie to get a cookie with an old table state + * @param {string} sName name of the cookie to read + * @returns {string} contents of the cookie - or null if no cookie with that name found + * @memberof DataTable#oApi + */ + function _fnReadCookie ( sName ) + { + var + aParts = window.location.pathname.split('/'), + sNameEQ = sName + '_' + aParts[aParts.length-1].replace(/[\/:]/g,"").toLowerCase() + '=', + sCookieContents = document.cookie.split(';'); + + for( var i=0 ; i<sCookieContents.length ; i++ ) + { + var c = sCookieContents[i]; + + while (c.charAt(0)==' ') + { + c = c.substring(1,c.length); + } + + if (c.indexOf(sNameEQ) === 0) + { + return decodeURIComponent( c.substring(sNameEQ.length,c.length) ); + } + } + return null; + } + + + /** + * Return the settings object for a particular table + * @param {node} nTable table we are using as a dataTable + * @returns {object} Settings object - or null if not found + * @memberof DataTable#oApi + */ + function _fnSettingsFromNode ( nTable ) + { + for ( var i=0 ; i<DataTable.settings.length ; i++ ) + { + if ( DataTable.settings[i].nTable === nTable ) + { + return DataTable.settings[i]; + } + } + + return null; + } + + + /** + * Return an array with the TR nodes for the table + * @param {object} oSettings dataTables settings object + * @returns {array} TR array + * @memberof DataTable#oApi + */ + function _fnGetTrNodes ( oSettings ) + { + var aNodes = []; + var aoData = oSettings.aoData; + for ( var i=0, iLen=aoData.length ; i<iLen ; i++ ) + { + if ( aoData[i].nTr !== null ) + { + aNodes.push( aoData[i].nTr ); + } + } + return aNodes; + } + + + /** + * Return an flat array with all TD nodes for the table, or row + * @param {object} oSettings dataTables settings object + * @param {int} [iIndividualRow] aoData index to get the nodes for - optional + * if not given then the return array will contain all nodes for the table + * @returns {array} TD array + * @memberof DataTable#oApi + */ + function _fnGetTdNodes ( oSettings, iIndividualRow ) + { + var anReturn = []; + var iCorrector; + var anTds, nTd; + var iRow, iRows=oSettings.aoData.length, + iColumn, iColumns, oData, sNodeName, iStart=0, iEnd=iRows; + + /* Allow the collection to be limited to just one row */ + if ( iIndividualRow !== undefined ) + { + iStart = iIndividualRow; + iEnd = iIndividualRow+1; + } + + for ( iRow=iStart ; iRow<iEnd ; iRow++ ) + { + oData = oSettings.aoData[iRow]; + if ( oData.nTr !== null ) + { + /* get the TD child nodes - taking into account text etc nodes */ + anTds = []; + nTd = oData.nTr.firstChild; + while ( nTd ) + { + sNodeName = nTd.nodeName.toLowerCase(); + if ( sNodeName == 'td' || sNodeName == 'th' ) + { + anTds.push( nTd ); + } + nTd = nTd.nextSibling; + } + + iCorrector = 0; + for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ ) + { + if ( oSettings.aoColumns[iColumn].bVisible ) + { + anReturn.push( anTds[iColumn-iCorrector] ); + } + else + { + anReturn.push( oData._anHidden[iColumn] ); + iCorrector++; + } + } + } + } + + return anReturn; + } + + + /** + * Log an error message + * @param {object} oSettings dataTables settings object + * @param {int} iLevel log error messages, or display them to the user + * @param {string} sMesg error message + * @memberof DataTable#oApi + */ + function _fnLog( oSettings, iLevel, sMesg ) + { + var sAlert = (oSettings===null) ? + "DataTables warning: "+sMesg : + "DataTables warning (table id = '"+oSettings.sTableId+"'): "+sMesg; + + if ( iLevel === 0 ) + { + if ( DataTable.ext.sErrMode == 'alert' ) + { + alert( sAlert ); + } + else + { + throw new Error(sAlert); + } + return; + } + else if ( window.console && console.log ) + { + console.log( sAlert ); + } + } + + + /** + * See if a property is defined on one object, if so assign it to the other object + * @param {object} oRet target object + * @param {object} oSrc source object + * @param {string} sName property + * @param {string} [sMappedName] name to map too - optional, sName used if not given + * @memberof DataTable#oApi + */ + function _fnMap( oRet, oSrc, sName, sMappedName ) + { + if ( sMappedName === undefined ) + { + sMappedName = sName; + } + if ( oSrc[sName] !== undefined ) + { + oRet[sMappedName] = oSrc[sName]; + } + } + + + /** + * Extend objects - very similar to jQuery.extend, but deep copy objects, and shallow + * copy arrays. The reason we need to do this, is that we don't want to deep copy array + * init values (such as aaSorting) since the dev wouldn't be able to override them, but + * we do want to deep copy arrays. + * @param {object} oOut Object to extend + * @param {object} oExtender Object from which the properties will be applied to oOut + * @returns {object} oOut Reference, just for convenience - oOut === the return. + * @memberof DataTable#oApi + * @todo This doesn't take account of arrays inside the deep copied objects. + */ + function _fnExtend( oOut, oExtender ) + { + var val; + + for ( var prop in oExtender ) + { + if ( oExtender.hasOwnProperty(prop) ) + { + val = oExtender[prop]; + + if ( typeof oInit[prop] === 'object' && val !== null && $.isArray(val) === false ) + { + $.extend( true, oOut[prop], val ); + } + else + { + oOut[prop] = val; + } + } + } + + return oOut; + } + + + /** + * Bind an event handers to allow a click or return key to activate the callback. + * This is good for accessibility since a return on the keyboard will have the + * same effect as a click, if the element has focus. + * @param {element} n Element to bind the action to + * @param {object} oData Data object to pass to the triggered function + * @param {function} fn Callback function for when the event is triggered + * @memberof DataTable#oApi + */ + function _fnBindAction( n, oData, fn ) + { + $(n) + .bind( 'click.DT', oData, function (e) { + n.blur(); // Remove focus outline for mouse users + fn(e); + } ) + .bind( 'keypress.DT', oData, function (e){ + if ( e.which === 13 ) { + fn(e); + } } ) + .bind( 'selectstart.DT', function () { + /* Take the brutal approach to cancelling text selection */ + return false; + } ); + } + + + /** + * Register a callback function. Easily allows a callback function to be added to + * an array store of callback functions that can then all be called together. + * @param {object} oSettings dataTables settings object + * @param {string} sStore Name of the array storage for the callbacks in oSettings + * @param {function} fn Function to be called back + * @param {string} sName Identifying name for the callback (i.e. a label) + * @memberof DataTable#oApi + */ + function _fnCallbackReg( oSettings, sStore, fn, sName ) + { + if ( fn ) + { + oSettings[sStore].push( { + "fn": fn, + "sName": sName + } ); + } + } + + + /** + * Fire callback functions and trigger events. Note that the loop over the callback + * array store is done backwards! Further note that you do not want to fire off triggers + * in time sensitive applications (for example cell creation) as its slow. + * @param {object} oSettings dataTables settings object + * @param {string} sStore Name of the array storage for the callbacks in oSettings + * @param {string} sTrigger Name of the jQuery custom event to trigger. If null no trigger + * is fired + * @param {array} aArgs Array of arguments to pass to the callback function / trigger + * @memberof DataTable#oApi + */ + function _fnCallbackFire( oSettings, sStore, sTrigger, aArgs ) + { + var aoStore = oSettings[sStore]; + var aRet =[]; + + for ( var i=aoStore.length-1 ; i>=0 ; i-- ) + { + aRet.push( aoStore[i].fn.apply( oSettings.oInstance, aArgs ) ); + } + + if ( sTrigger !== null ) + { + $(oSettings.oInstance).trigger(sTrigger, aArgs); + } + + return aRet; + } + + + /** + * JSON stringify. If JSON.stringify it provided by the browser, json2.js or any other + * library, then we use that as it is fast, safe and accurate. If the function isn't + * available then we need to built it ourselves - the inspiration for this function comes + * from Craig Buckler ( http://www.sitepoint.com/javascript-json-serialization/ ). It is + * not perfect and absolutely should not be used as a replacement to json2.js - but it does + * do what we need, without requiring a dependency for DataTables. + * @param {object} o JSON object to be converted + * @returns {string} JSON string + * @memberof DataTable#oApi + */ + var _fnJsonString = (window.JSON) ? JSON.stringify : function( o ) + { + /* Not an object or array */ + var sType = typeof o; + if (sType !== "object" || o === null) + { + // simple data type + if (sType === "string") + { + o = '"'+o+'"'; + } + return o+""; + } + + /* If object or array, need to recurse over it */ + var + sProp, mValue, + json = [], + bArr = $.isArray(o); + + for (sProp in o) + { + mValue = o[sProp]; + sType = typeof mValue; + + if (sType === "string") + { + mValue = '"'+mValue+'"'; + } + else if (sType === "object" && mValue !== null) + { + mValue = _fnJsonString(mValue); + } + + json.push((bArr ? "" : '"'+sProp+'":') + mValue); + } + + return (bArr ? "[" : "{") + json + (bArr ? "]" : "}"); + }; + + + /** + * From some browsers (specifically IE6/7) we need special handling to work around browser + * bugs - this function is used to detect when these workarounds are needed. + * @param {object} oSettings dataTables settings object + * @memberof DataTable#oApi + */ + function _fnBrowserDetect( oSettings ) + { + /* IE6/7 will oversize a width 100% element inside a scrolling element, to include the + * width of the scrollbar, while other browsers ensure the inner element is contained + * without forcing scrolling + */ + var n = $( + '<div style="position:absolute; top:0; left:0; height:1px; width:1px; overflow:hidden">'+ + '<div style="position:absolute; top:1px; left:1px; width:100px; overflow:scroll;">'+ + '<div id="DT_BrowserTest" style="width:100%; height:10px;"></div>'+ + '</div>'+ + '</div>')[0]; + + document.body.appendChild( n ); + oSettings.oBrowser.bScrollOversize = $('#DT_BrowserTest', n)[0].offsetWidth === 100 ? true : false; + document.body.removeChild( n ); + } + + + /** + * Perform a jQuery selector action on the table's TR elements (from the tbody) and + * return the resulting jQuery object. + * @param {string|node|jQuery} sSelector jQuery selector or node collection to act on + * @param {object} [oOpts] Optional parameters for modifying the rows to be included + * @param {string} [oOpts.filter=none] Select TR elements that meet the current filter + * criterion ("applied") or all TR elements (i.e. no filter). + * @param {string} [oOpts.order=current] Order of the TR elements in the processed array. + * Can be either 'current', whereby the current sorting of the table is used, or + * 'original' whereby the original order the data was read into the table is used. + * @param {string} [oOpts.page=all] Limit the selection to the currently displayed page + * ("current") or not ("all"). If 'current' is given, then order is assumed to be + * 'current' and filter is 'applied', regardless of what they might be given as. + * @returns {object} jQuery object, filtered by the given selector. + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Highlight every second row + * oTable.$('tr:odd').css('backgroundColor', 'blue'); + * } ); + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Filter to rows with 'Webkit' in them, add a background colour and then + * // remove the filter, thus highlighting the 'Webkit' rows only. + * oTable.fnFilter('Webkit'); + * oTable.$('tr', {"filter": "applied"}).css('backgroundColor', 'blue'); + * oTable.fnFilter(''); + * } ); + */ + this.$ = function ( sSelector, oOpts ) + { + var i, iLen, a = [], tr; + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var aoData = oSettings.aoData; + var aiDisplay = oSettings.aiDisplay; + var aiDisplayMaster = oSettings.aiDisplayMaster; + + if ( !oOpts ) + { + oOpts = {}; + } + + oOpts = $.extend( {}, { + "filter": "none", // applied + "order": "current", // "original" + "page": "all" // current + }, oOpts ); + + // Current page implies that order=current and fitler=applied, since it is fairly + // senseless otherwise + if ( oOpts.page == 'current' ) + { + for ( i=oSettings._iDisplayStart, iLen=oSettings.fnDisplayEnd() ; i<iLen ; i++ ) + { + tr = aoData[ aiDisplay[i] ].nTr; + if ( tr ) + { + a.push( tr ); + } + } + } + else if ( oOpts.order == "current" && oOpts.filter == "none" ) + { + for ( i=0, iLen=aiDisplayMaster.length ; i<iLen ; i++ ) + { + tr = aoData[ aiDisplayMaster[i] ].nTr; + if ( tr ) + { + a.push( tr ); + } + } + } + else if ( oOpts.order == "current" && oOpts.filter == "applied" ) + { + for ( i=0, iLen=aiDisplay.length ; i<iLen ; i++ ) + { + tr = aoData[ aiDisplay[i] ].nTr; + if ( tr ) + { + a.push( tr ); + } + } + } + else if ( oOpts.order == "original" && oOpts.filter == "none" ) + { + for ( i=0, iLen=aoData.length ; i<iLen ; i++ ) + { + tr = aoData[ i ].nTr ; + if ( tr ) + { + a.push( tr ); + } + } + } + else if ( oOpts.order == "original" && oOpts.filter == "applied" ) + { + for ( i=0, iLen=aoData.length ; i<iLen ; i++ ) + { + tr = aoData[ i ].nTr; + if ( $.inArray( i, aiDisplay ) !== -1 && tr ) + { + a.push( tr ); + } + } + } + else + { + _fnLog( oSettings, 1, "Unknown selection options" ); + } + + /* We need to filter on the TR elements and also 'find' in their descendants + * to make the selector act like it would in a full table - so we need + * to build both results and then combine them together + */ + var jqA = $(a); + var jqTRs = jqA.filter( sSelector ); + var jqDescendants = jqA.find( sSelector ); + + return $( [].concat($.makeArray(jqTRs), $.makeArray(jqDescendants)) ); + }; + + + /** + * Almost identical to $ in operation, but in this case returns the data for the matched + * rows - as such, the jQuery selector used should match TR row nodes or TD/TH cell nodes + * rather than any descendants, so the data can be obtained for the row/cell. If matching + * rows are found, the data returned is the original data array/object that was used to + * create the row (or a generated array if from a DOM source). + * + * This method is often useful in-combination with $ where both functions are given the + * same parameters and the array indexes will match identically. + * @param {string|node|jQuery} sSelector jQuery selector or node collection to act on + * @param {object} [oOpts] Optional parameters for modifying the rows to be included + * @param {string} [oOpts.filter=none] Select elements that meet the current filter + * criterion ("applied") or all elements (i.e. no filter). + * @param {string} [oOpts.order=current] Order of the data in the processed array. + * Can be either 'current', whereby the current sorting of the table is used, or + * 'original' whereby the original order the data was read into the table is used. + * @param {string} [oOpts.page=all] Limit the selection to the currently displayed page + * ("current") or not ("all"). If 'current' is given, then order is assumed to be + * 'current' and filter is 'applied', regardless of what they might be given as. + * @returns {array} Data for the matched elements. If any elements, as a result of the + * selector, were not TR, TD or TH elements in the DataTable, they will have a null + * entry in the array. + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Get the data from the first row in the table + * var data = oTable._('tr:first'); + * + * // Do something useful with the data + * alert( "First cell is: "+data[0] ); + * } ); + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Filter to 'Webkit' and get all data for + * oTable.fnFilter('Webkit'); + * var data = oTable._('tr', {"filter": "applied"}); + * + * // Do something with the data + * alert( data.length+" rows matched the filter" ); + * } ); + */ + this._ = function ( sSelector, oOpts ) + { + var aOut = []; + var i, iLen, iIndex; + var aTrs = this.$( sSelector, oOpts ); + + for ( i=0, iLen=aTrs.length ; i<iLen ; i++ ) + { + aOut.push( this.fnGetData(aTrs[i]) ); + } + + return aOut; + }; + + + /** + * Add a single new row or multiple rows of data to the table. Please note + * that this is suitable for client-side processing only - if you are using + * server-side processing (i.e. "bServerSide": true), then to add data, you + * must add it to the data source, i.e. the server-side, through an Ajax call. + * @param {array|object} mData The data to be added to the table. This can be: + * <ul> + * <li>1D array of data - add a single row with the data provided</li> + * <li>2D array of arrays - add multiple rows in a single call</li> + * <li>object - data object when using <i>mData</i></li> + * <li>array of objects - multiple data objects when using <i>mData</i></li> + * </ul> + * @param {bool} [bRedraw=true] redraw the table or not + * @returns {array} An array of integers, representing the list of indexes in + * <i>aoData</i> ({@link DataTable.models.oSettings}) that have been added to + * the table. + * @dtopt API + * + * @example + * // Global var for counter + * var giCount = 2; + * + * $(document).ready(function() { + * $('#example').dataTable(); + * } ); + * + * function fnClickAddRow() { + * $('#example').dataTable().fnAddData( [ + * giCount+".1", + * giCount+".2", + * giCount+".3", + * giCount+".4" ] + * ); + * + * giCount++; + * } + */ + this.fnAddData = function( mData, bRedraw ) + { + if ( mData.length === 0 ) + { + return []; + } + + var aiReturn = []; + var iTest; + + /* Find settings from table node */ + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + + /* Check if we want to add multiple rows or not */ + if ( typeof mData[0] === "object" && mData[0] !== null ) + { + for ( var i=0 ; i<mData.length ; i++ ) + { + iTest = _fnAddData( oSettings, mData[i] ); + if ( iTest == -1 ) + { + return aiReturn; + } + aiReturn.push( iTest ); + } + } + else + { + iTest = _fnAddData( oSettings, mData ); + if ( iTest == -1 ) + { + return aiReturn; + } + aiReturn.push( iTest ); + } + + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + + if ( bRedraw === undefined || bRedraw ) + { + _fnReDraw( oSettings ); + } + return aiReturn; + }; + + + /** + * This function will make DataTables recalculate the column sizes, based on the data + * contained in the table and the sizes applied to the columns (in the DOM, CSS or + * through the sWidth parameter). This can be useful when the width of the table's + * parent element changes (for example a window resize). + * @param {boolean} [bRedraw=true] Redraw the table or not, you will typically want to + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable( { + * "sScrollY": "200px", + * "bPaginate": false + * } ); + * + * $(window).bind('resize', function () { + * oTable.fnAdjustColumnSizing(); + * } ); + * } ); + */ + this.fnAdjustColumnSizing = function ( bRedraw ) + { + var oSettings = _fnSettingsFromNode(this[DataTable.ext.iApiIndex]); + _fnAdjustColumnSizing( oSettings ); + + if ( bRedraw === undefined || bRedraw ) + { + this.fnDraw( false ); + } + else if ( oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "" ) + { + /* If not redrawing, but scrolling, we want to apply the new column sizes anyway */ + this.oApi._fnScrollDraw(oSettings); + } + }; + + + /** + * Quickly and simply clear a table + * @param {bool} [bRedraw=true] redraw the table or not + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Immediately 'nuke' the current rows (perhaps waiting for an Ajax callback...) + * oTable.fnClearTable(); + * } ); + */ + this.fnClearTable = function( bRedraw ) + { + /* Find settings from table node */ + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + _fnClearTable( oSettings ); + + if ( bRedraw === undefined || bRedraw ) + { + _fnDraw( oSettings ); + } + }; + + + /** + * The exact opposite of 'opening' a row, this function will close any rows which + * are currently 'open'. + * @param {node} nTr the table row to 'close' + * @returns {int} 0 on success, or 1 if failed (can't find the row) + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable; + * + * // 'open' an information row when a row is clicked on + * $('#example tbody tr').click( function () { + * if ( oTable.fnIsOpen(this) ) { + * oTable.fnClose( this ); + * } else { + * oTable.fnOpen( this, "Temporary row opened", "info_row" ); + * } + * } ); + * + * oTable = $('#example').dataTable(); + * } ); + */ + this.fnClose = function( nTr ) + { + /* Find settings from table node */ + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + + for ( var i=0 ; i<oSettings.aoOpenRows.length ; i++ ) + { + if ( oSettings.aoOpenRows[i].nParent == nTr ) + { + var nTrParent = oSettings.aoOpenRows[i].nTr.parentNode; + if ( nTrParent ) + { + /* Remove it if it is currently on display */ + nTrParent.removeChild( oSettings.aoOpenRows[i].nTr ); + } + oSettings.aoOpenRows.splice( i, 1 ); + return 0; + } + } + return 1; + }; + + + /** + * Remove a row for the table + * @param {mixed} mTarget The index of the row from aoData to be deleted, or + * the TR element you want to delete + * @param {function|null} [fnCallBack] Callback function + * @param {bool} [bRedraw=true] Redraw the table or not + * @returns {array} The row that was deleted + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Immediately remove the first row + * oTable.fnDeleteRow( 0 ); + * } ); + */ + this.fnDeleteRow = function( mTarget, fnCallBack, bRedraw ) + { + /* Find settings from table node */ + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var i, iLen, iAODataIndex; + + iAODataIndex = (typeof mTarget === 'object') ? + _fnNodeToDataIndex(oSettings, mTarget) : mTarget; + + /* Return the data array from this row */ + var oData = oSettings.aoData.splice( iAODataIndex, 1 ); + + /* Update the _DT_RowIndex parameter */ + for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ ) + { + if ( oSettings.aoData[i].nTr !== null ) + { + oSettings.aoData[i].nTr._DT_RowIndex = i; + } + } + + /* Remove the target row from the search array */ + var iDisplayIndex = $.inArray( iAODataIndex, oSettings.aiDisplay ); + oSettings.asDataSearch.splice( iDisplayIndex, 1 ); + + /* Delete from the display arrays */ + _fnDeleteIndex( oSettings.aiDisplayMaster, iAODataIndex ); + _fnDeleteIndex( oSettings.aiDisplay, iAODataIndex ); + + /* If there is a user callback function - call it */ + if ( typeof fnCallBack === "function" ) + { + fnCallBack.call( this, oSettings, oData ); + } + + /* Check for an 'overflow' they case for displaying the table */ + if ( oSettings._iDisplayStart >= oSettings.fnRecordsDisplay() ) + { + oSettings._iDisplayStart -= oSettings._iDisplayLength; + if ( oSettings._iDisplayStart < 0 ) + { + oSettings._iDisplayStart = 0; + } + } + + if ( bRedraw === undefined || bRedraw ) + { + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + + return oData; + }; + + + /** + * Restore the table to it's original state in the DOM by removing all of DataTables + * enhancements, alterations to the DOM structure of the table and event listeners. + * @param {boolean} [bRemove=false] Completely remove the table from the DOM + * @dtopt API + * + * @example + * $(document).ready(function() { + * // This example is fairly pointless in reality, but shows how fnDestroy can be used + * var oTable = $('#example').dataTable(); + * oTable.fnDestroy(); + * } ); + */ + this.fnDestroy = function ( bRemove ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var nOrig = oSettings.nTableWrapper.parentNode; + var nBody = oSettings.nTBody; + var i, iLen; + + bRemove = (bRemove===undefined) ? false : bRemove; + + /* Flag to note that the table is currently being destroyed - no action should be taken */ + oSettings.bDestroying = true; + + /* Fire off the destroy callbacks for plug-ins etc */ + _fnCallbackFire( oSettings, "aoDestroyCallback", "destroy", [oSettings] ); + + /* If the table is not being removed, restore the hidden columns */ + if ( !bRemove ) + { + for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ ) + { + if ( oSettings.aoColumns[i].bVisible === false ) + { + this.fnSetColumnVis( i, true ); + } + } + } + + /* Blitz all DT events */ + $(oSettings.nTableWrapper).find('*').andSelf().unbind('.DT'); + + /* If there is an 'empty' indicator row, remove it */ + $('tbody>tr>td.'+oSettings.oClasses.sRowEmpty, oSettings.nTable).parent().remove(); + + /* When scrolling we had to break the table up - restore it */ + if ( oSettings.nTable != oSettings.nTHead.parentNode ) + { + $(oSettings.nTable).children('thead').remove(); + oSettings.nTable.appendChild( oSettings.nTHead ); + } + + if ( oSettings.nTFoot && oSettings.nTable != oSettings.nTFoot.parentNode ) + { + $(oSettings.nTable).children('tfoot').remove(); + oSettings.nTable.appendChild( oSettings.nTFoot ); + } + + /* Remove the DataTables generated nodes, events and classes */ + oSettings.nTable.parentNode.removeChild( oSettings.nTable ); + $(oSettings.nTableWrapper).remove(); + + oSettings.aaSorting = []; + oSettings.aaSortingFixed = []; + _fnSortingClasses( oSettings ); + + $(_fnGetTrNodes( oSettings )).removeClass( oSettings.asStripeClasses.join(' ') ); + + $('th, td', oSettings.nTHead).removeClass( [ + oSettings.oClasses.sSortable, + oSettings.oClasses.sSortableAsc, + oSettings.oClasses.sSortableDesc, + oSettings.oClasses.sSortableNone ].join(' ') + ); + if ( oSettings.bJUI ) + { + $('th span.'+oSettings.oClasses.sSortIcon + + ', td span.'+oSettings.oClasses.sSortIcon, oSettings.nTHead).remove(); + + $('th, td', oSettings.nTHead).each( function () { + var jqWrapper = $('div.'+oSettings.oClasses.sSortJUIWrapper, this); + var kids = jqWrapper.contents(); + $(this).append( kids ); + jqWrapper.remove(); + } ); + } + + /* Add the TR elements back into the table in their original order */ + if ( !bRemove && oSettings.nTableReinsertBefore ) + { + nOrig.insertBefore( oSettings.nTable, oSettings.nTableReinsertBefore ); + } + else if ( !bRemove ) + { + nOrig.appendChild( oSettings.nTable ); + } + + for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ ) + { + if ( oSettings.aoData[i].nTr !== null ) + { + nBody.appendChild( oSettings.aoData[i].nTr ); + } + } + + /* Restore the width of the original table */ + if ( oSettings.oFeatures.bAutoWidth === true ) + { + oSettings.nTable.style.width = _fnStringToCss(oSettings.sDestroyWidth); + } + + /* If the were originally stripe classes - then we add them back here. Note + * this is not fool proof (for example if not all rows had stripe classes - but + * it's a good effort without getting carried away + */ + iLen = oSettings.asDestroyStripes.length; + if (iLen) + { + var anRows = $(nBody).children('tr'); + for ( i=0 ; i<iLen ; i++ ) + { + anRows.filter(':nth-child(' + iLen + 'n + ' + i + ')').addClass( oSettings.asDestroyStripes[i] ); + } + } + + /* Remove the settings object from the settings array */ + for ( i=0, iLen=DataTable.settings.length ; i<iLen ; i++ ) + { + if ( DataTable.settings[i] == oSettings ) + { + DataTable.settings.splice( i, 1 ); + } + } + + /* End it all */ + oSettings = null; + oInit = null; + }; + + + /** + * Redraw the table + * @param {bool} [bComplete=true] Re-filter and resort (if enabled) the table before the draw. + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Re-draw the table - you wouldn't want to do it here, but it's an example :-) + * oTable.fnDraw(); + * } ); + */ + this.fnDraw = function( bComplete ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + if ( bComplete === false ) + { + _fnCalculateEnd( oSettings ); + _fnDraw( oSettings ); + } + else + { + _fnReDraw( oSettings ); + } + }; + + + /** + * Filter the input based on data + * @param {string} sInput String to filter the table on + * @param {int|null} [iColumn] Column to limit filtering to + * @param {bool} [bRegex=false] Treat as regular expression or not + * @param {bool} [bSmart=true] Perform smart filtering or not + * @param {bool} [bShowGlobal=true] Show the input global filter in it's input box(es) + * @param {bool} [bCaseInsensitive=true] Do case-insensitive matching (true) or not (false) + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Sometime later - filter... + * oTable.fnFilter( 'test string' ); + * } ); + */ + this.fnFilter = function( sInput, iColumn, bRegex, bSmart, bShowGlobal, bCaseInsensitive ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + + if ( !oSettings.oFeatures.bFilter ) + { + return; + } + + if ( bRegex === undefined || bRegex === null ) + { + bRegex = false; + } + + if ( bSmart === undefined || bSmart === null ) + { + bSmart = true; + } + + if ( bShowGlobal === undefined || bShowGlobal === null ) + { + bShowGlobal = true; + } + + if ( bCaseInsensitive === undefined || bCaseInsensitive === null ) + { + bCaseInsensitive = true; + } + + if ( iColumn === undefined || iColumn === null ) + { + /* Global filter */ + _fnFilterComplete( oSettings, { + "sSearch":sInput+"", + "bRegex": bRegex, + "bSmart": bSmart, + "bCaseInsensitive": bCaseInsensitive + }, 1 ); + + if ( bShowGlobal && oSettings.aanFeatures.f ) + { + var n = oSettings.aanFeatures.f; + for ( var i=0, iLen=n.length ; i<iLen ; i++ ) + { + // IE9 throws an 'unknown error' if document.activeElement is used + // inside an iframe or frame... + try { + if ( n[i]._DT_Input != document.activeElement ) + { + $(n[i]._DT_Input).val( sInput ); + } + } + catch ( e ) { + $(n[i]._DT_Input).val( sInput ); + } + } + } + } + else + { + /* Single column filter */ + $.extend( oSettings.aoPreSearchCols[ iColumn ], { + "sSearch": sInput+"", + "bRegex": bRegex, + "bSmart": bSmart, + "bCaseInsensitive": bCaseInsensitive + } ); + _fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 ); + } + }; + + + /** + * Get the data for the whole table, an individual row or an individual cell based on the + * provided parameters. + * @param {int|node} [mRow] A TR row node, TD/TH cell node or an integer. If given as + * a TR node then the data source for the whole row will be returned. If given as a + * TD/TH cell node then iCol will be automatically calculated and the data for the + * cell returned. If given as an integer, then this is treated as the aoData internal + * data index for the row (see fnGetPosition) and the data for that row used. + * @param {int} [iCol] Optional column index that you want the data of. + * @returns {array|object|string} If mRow is undefined, then the data for all rows is + * returned. If mRow is defined, just data for that row, and is iCol is + * defined, only data for the designated cell is returned. + * @dtopt API + * + * @example + * // Row data + * $(document).ready(function() { + * oTable = $('#example').dataTable(); + * + * oTable.$('tr').click( function () { + * var data = oTable.fnGetData( this ); + * // ... do something with the array / object of data for the row + * } ); + * } ); + * + * @example + * // Individual cell data + * $(document).ready(function() { + * oTable = $('#example').dataTable(); + * + * oTable.$('td').click( function () { + * var sData = oTable.fnGetData( this ); + * alert( 'The cell clicked on had the value of '+sData ); + * } ); + * } ); + */ + this.fnGetData = function( mRow, iCol ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + + if ( mRow !== undefined ) + { + var iRow = mRow; + if ( typeof mRow === 'object' ) + { + var sNode = mRow.nodeName.toLowerCase(); + if (sNode === "tr" ) + { + iRow = _fnNodeToDataIndex(oSettings, mRow); + } + else if ( sNode === "td" ) + { + iRow = _fnNodeToDataIndex(oSettings, mRow.parentNode); + iCol = _fnNodeToColumnIndex( oSettings, iRow, mRow ); + } + } + + if ( iCol !== undefined ) + { + return _fnGetCellData( oSettings, iRow, iCol, '' ); + } + return (oSettings.aoData[iRow]!==undefined) ? + oSettings.aoData[iRow]._aData : null; + } + return _fnGetDataMaster( oSettings ); + }; + + + /** + * Get an array of the TR nodes that are used in the table's body. Note that you will + * typically want to use the '$' API method in preference to this as it is more + * flexible. + * @param {int} [iRow] Optional row index for the TR element you want + * @returns {array|node} If iRow is undefined, returns an array of all TR elements + * in the table's body, or iRow is defined, just the TR element requested. + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Get the nodes from the table + * var nNodes = oTable.fnGetNodes( ); + * } ); + */ + this.fnGetNodes = function( iRow ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + + if ( iRow !== undefined ) { + return (oSettings.aoData[iRow]!==undefined) ? + oSettings.aoData[iRow].nTr : null; + } + return _fnGetTrNodes( oSettings ); + }; + + + /** + * Get the array indexes of a particular cell from it's DOM element + * and column index including hidden columns + * @param {node} nNode this can either be a TR, TD or TH in the table's body + * @returns {int} If nNode is given as a TR, then a single index is returned, or + * if given as a cell, an array of [row index, column index (visible), + * column index (all)] is given. + * @dtopt API + * + * @example + * $(document).ready(function() { + * $('#example tbody td').click( function () { + * // Get the position of the current data from the node + * var aPos = oTable.fnGetPosition( this ); + * + * // Get the data array for this row + * var aData = oTable.fnGetData( aPos[0] ); + * + * // Update the data array and return the value + * aData[ aPos[1] ] = 'clicked'; + * this.innerHTML = 'clicked'; + * } ); + * + * // Init DataTables + * oTable = $('#example').dataTable(); + * } ); + */ + this.fnGetPosition = function( nNode ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var sNodeName = nNode.nodeName.toUpperCase(); + + if ( sNodeName == "TR" ) + { + return _fnNodeToDataIndex(oSettings, nNode); + } + else if ( sNodeName == "TD" || sNodeName == "TH" ) + { + var iDataIndex = _fnNodeToDataIndex( oSettings, nNode.parentNode ); + var iColumnIndex = _fnNodeToColumnIndex( oSettings, iDataIndex, nNode ); + return [ iDataIndex, _fnColumnIndexToVisible(oSettings, iColumnIndex ), iColumnIndex ]; + } + return null; + }; + + + /** + * Check to see if a row is 'open' or not. + * @param {node} nTr the table row to check + * @returns {boolean} true if the row is currently open, false otherwise + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable; + * + * // 'open' an information row when a row is clicked on + * $('#example tbody tr').click( function () { + * if ( oTable.fnIsOpen(this) ) { + * oTable.fnClose( this ); + * } else { + * oTable.fnOpen( this, "Temporary row opened", "info_row" ); + * } + * } ); + * + * oTable = $('#example').dataTable(); + * } ); + */ + this.fnIsOpen = function( nTr ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var aoOpenRows = oSettings.aoOpenRows; + + for ( var i=0 ; i<oSettings.aoOpenRows.length ; i++ ) + { + if ( oSettings.aoOpenRows[i].nParent == nTr ) + { + return true; + } + } + return false; + }; + + + /** + * This function will place a new row directly after a row which is currently + * on display on the page, with the HTML contents that is passed into the + * function. This can be used, for example, to ask for confirmation that a + * particular record should be deleted. + * @param {node} nTr The table row to 'open' + * @param {string|node|jQuery} mHtml The HTML to put into the row + * @param {string} sClass Class to give the new TD cell + * @returns {node} The row opened. Note that if the table row passed in as the + * first parameter, is not found in the table, this method will silently + * return. + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable; + * + * // 'open' an information row when a row is clicked on + * $('#example tbody tr').click( function () { + * if ( oTable.fnIsOpen(this) ) { + * oTable.fnClose( this ); + * } else { + * oTable.fnOpen( this, "Temporary row opened", "info_row" ); + * } + * } ); + * + * oTable = $('#example').dataTable(); + * } ); + */ + this.fnOpen = function( nTr, mHtml, sClass ) + { + /* Find settings from table node */ + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + + /* Check that the row given is in the table */ + var nTableRows = _fnGetTrNodes( oSettings ); + if ( $.inArray(nTr, nTableRows) === -1 ) + { + return; + } + + /* the old open one if there is one */ + this.fnClose( nTr ); + + var nNewRow = document.createElement("tr"); + var nNewCell = document.createElement("td"); + nNewRow.appendChild( nNewCell ); + nNewCell.className = sClass; + nNewCell.colSpan = _fnVisbleColumns( oSettings ); + + if (typeof mHtml === "string") + { + nNewCell.innerHTML = mHtml; + } + else + { + $(nNewCell).html( mHtml ); + } + + /* If the nTr isn't on the page at the moment - then we don't insert at the moment */ + var nTrs = $('tr', oSettings.nTBody); + if ( $.inArray(nTr, nTrs) != -1 ) + { + $(nNewRow).insertAfter(nTr); + } + + oSettings.aoOpenRows.push( { + "nTr": nNewRow, + "nParent": nTr + } ); + + return nNewRow; + }; + + + /** + * Change the pagination - provides the internal logic for pagination in a simple API + * function. With this function you can have a DataTables table go to the next, + * previous, first or last pages. + * @param {string|int} mAction Paging action to take: "first", "previous", "next" or "last" + * or page number to jump to (integer), note that page 0 is the first page. + * @param {bool} [bRedraw=true] Redraw the table or not + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * oTable.fnPageChange( 'next' ); + * } ); + */ + this.fnPageChange = function ( mAction, bRedraw ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + _fnPageChange( oSettings, mAction ); + _fnCalculateEnd( oSettings ); + + if ( bRedraw === undefined || bRedraw ) + { + _fnDraw( oSettings ); + } + }; + + + /** + * Show a particular column + * @param {int} iCol The column whose display should be changed + * @param {bool} bShow Show (true) or hide (false) the column + * @param {bool} [bRedraw=true] Redraw the table or not + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Hide the second column after initialisation + * oTable.fnSetColumnVis( 1, false ); + * } ); + */ + this.fnSetColumnVis = function ( iCol, bShow, bRedraw ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var i, iLen; + var aoColumns = oSettings.aoColumns; + var aoData = oSettings.aoData; + var nTd, bAppend, iBefore; + + /* No point in doing anything if we are requesting what is already true */ + if ( aoColumns[iCol].bVisible == bShow ) + { + return; + } + + /* Show the column */ + if ( bShow ) + { + var iInsert = 0; + for ( i=0 ; i<iCol ; i++ ) + { + if ( aoColumns[i].bVisible ) + { + iInsert++; + } + } + + /* Need to decide if we should use appendChild or insertBefore */ + bAppend = (iInsert >= _fnVisbleColumns( oSettings )); + + /* Which coloumn should we be inserting before? */ + if ( !bAppend ) + { + for ( i=iCol ; i<aoColumns.length ; i++ ) + { + if ( aoColumns[i].bVisible ) + { + iBefore = i; + break; + } + } + } + + for ( i=0, iLen=aoData.length ; i<iLen ; i++ ) + { + if ( aoData[i].nTr !== null ) + { + if ( bAppend ) + { + aoData[i].nTr.appendChild( + aoData[i]._anHidden[iCol] + ); + } + else + { + aoData[i].nTr.insertBefore( + aoData[i]._anHidden[iCol], + _fnGetTdNodes( oSettings, i )[iBefore] ); + } + } + } + } + else + { + /* Remove a column from display */ + for ( i=0, iLen=aoData.length ; i<iLen ; i++ ) + { + if ( aoData[i].nTr !== null ) + { + nTd = _fnGetTdNodes( oSettings, i )[iCol]; + aoData[i]._anHidden[iCol] = nTd; + nTd.parentNode.removeChild( nTd ); + } + } + } + + /* Clear to set the visible flag */ + aoColumns[iCol].bVisible = bShow; + + /* Redraw the header and footer based on the new column visibility */ + _fnDrawHead( oSettings, oSettings.aoHeader ); + if ( oSettings.nTFoot ) + { + _fnDrawHead( oSettings, oSettings.aoFooter ); + } + + /* If there are any 'open' rows, then we need to alter the colspan for this col change */ + for ( i=0, iLen=oSettings.aoOpenRows.length ; i<iLen ; i++ ) + { + oSettings.aoOpenRows[i].nTr.colSpan = _fnVisbleColumns( oSettings ); + } + + /* Do a redraw incase anything depending on the table columns needs it + * (built-in: scrolling) + */ + if ( bRedraw === undefined || bRedraw ) + { + _fnAdjustColumnSizing( oSettings ); + _fnDraw( oSettings ); + } + + _fnSaveState( oSettings ); + }; + + + /** + * Get the settings for a particular table for external manipulation + * @returns {object} DataTables settings object. See + * {@link DataTable.models.oSettings} + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * var oSettings = oTable.fnSettings(); + * + * // Show an example parameter from the settings + * alert( oSettings._iDisplayStart ); + * } ); + */ + this.fnSettings = function() + { + return _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + }; + + + /** + * Sort the table by a particular column + * @param {int} iCol the data index to sort on. Note that this will not match the + * 'display index' if you have hidden data entries + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Sort immediately with columns 0 and 1 + * oTable.fnSort( [ [0,'asc'], [1,'asc'] ] ); + * } ); + */ + this.fnSort = function( aaSort ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + oSettings.aaSorting = aaSort; + _fnSort( oSettings ); + }; + + + /** + * Attach a sort listener to an element for a given column + * @param {node} nNode the element to attach the sort listener to + * @param {int} iColumn the column that a click on this node will sort on + * @param {function} [fnCallback] callback function when sort is run + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * + * // Sort on column 1, when 'sorter' is clicked on + * oTable.fnSortListener( document.getElementById('sorter'), 1 ); + * } ); + */ + this.fnSortListener = function( nNode, iColumn, fnCallback ) + { + _fnSortAttachListener( _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ), nNode, iColumn, + fnCallback ); + }; + + + /** + * Update a table cell or row - this method will accept either a single value to + * update the cell with, an array of values with one element for each column or + * an object in the same format as the original data source. The function is + * self-referencing in order to make the multi column updates easier. + * @param {object|array|string} mData Data to update the cell/row with + * @param {node|int} mRow TR element you want to update or the aoData index + * @param {int} [iColumn] The column to update (not used of mData is an array or object) + * @param {bool} [bRedraw=true] Redraw the table or not + * @param {bool} [bAction=true] Perform pre-draw actions or not + * @returns {int} 0 on success, 1 on error + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * oTable.fnUpdate( 'Example update', 0, 0 ); // Single cell + * oTable.fnUpdate( ['a', 'b', 'c', 'd', 'e'], 1, 0 ); // Row + * } ); + */ + this.fnUpdate = function( mData, mRow, iColumn, bRedraw, bAction ) + { + var oSettings = _fnSettingsFromNode( this[DataTable.ext.iApiIndex] ); + var i, iLen, sDisplay; + var iRow = (typeof mRow === 'object') ? + _fnNodeToDataIndex(oSettings, mRow) : mRow; + + if ( $.isArray(mData) && iColumn === undefined ) + { + /* Array update - update the whole row */ + oSettings.aoData[iRow]._aData = mData.slice(); + + /* Flag to the function that we are recursing */ + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + this.fnUpdate( _fnGetCellData( oSettings, iRow, i ), iRow, i, false, false ); + } + } + else if ( $.isPlainObject(mData) && iColumn === undefined ) + { + /* Object update - update the whole row - assume the developer gets the object right */ + oSettings.aoData[iRow]._aData = $.extend( true, {}, mData ); + + for ( i=0 ; i<oSettings.aoColumns.length ; i++ ) + { + this.fnUpdate( _fnGetCellData( oSettings, iRow, i ), iRow, i, false, false ); + } + } + else + { + /* Individual cell update */ + _fnSetCellData( oSettings, iRow, iColumn, mData ); + sDisplay = _fnGetCellData( oSettings, iRow, iColumn, 'display' ); + + var oCol = oSettings.aoColumns[iColumn]; + if ( oCol.fnRender !== null ) + { + sDisplay = _fnRender( oSettings, iRow, iColumn ); + if ( oCol.bUseRendered ) + { + _fnSetCellData( oSettings, iRow, iColumn, sDisplay ); + } + } + + if ( oSettings.aoData[iRow].nTr !== null ) + { + /* Do the actual HTML update */ + _fnGetTdNodes( oSettings, iRow )[iColumn].innerHTML = sDisplay; + } + } + + /* Modify the search index for this row (strictly this is likely not needed, since fnReDraw + * will rebuild the search array - however, the redraw might be disabled by the user) + */ + var iDisplayIndex = $.inArray( iRow, oSettings.aiDisplay ); + oSettings.asDataSearch[iDisplayIndex] = _fnBuildSearchRow( + oSettings, + _fnGetRowData( oSettings, iRow, 'filter', _fnGetColumns( oSettings, 'bSearchable' ) ) + ); + + /* Perform pre-draw actions */ + if ( bAction === undefined || bAction ) + { + _fnAdjustColumnSizing( oSettings ); + } + + /* Redraw the table */ + if ( bRedraw === undefined || bRedraw ) + { + _fnReDraw( oSettings ); + } + return 0; + }; + + + /** + * Provide a common method for plug-ins to check the version of DataTables being used, in order + * to ensure compatibility. + * @param {string} sVersion Version string to check for, in the format "X.Y.Z". Note that the + * formats "X" and "X.Y" are also acceptable. + * @returns {boolean} true if this version of DataTables is greater or equal to the required + * version, or false if this version of DataTales is not suitable + * @method + * @dtopt API + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * alert( oTable.fnVersionCheck( '1.9.0' ) ); + * } ); + */ + this.fnVersionCheck = DataTable.ext.fnVersionCheck; + + + /* + * This is really a good bit rubbish this method of exposing the internal methods + * publicly... - To be fixed in 2.0 using methods on the prototype + */ + + + /** + * Create a wrapper function for exporting an internal functions to an external API. + * @param {string} sFunc API function name + * @returns {function} wrapped function + * @memberof DataTable#oApi + */ + function _fnExternApiFunc (sFunc) + { + return function() { + var aArgs = [_fnSettingsFromNode(this[DataTable.ext.iApiIndex])].concat( + Array.prototype.slice.call(arguments) ); + return DataTable.ext.oApi[sFunc].apply( this, aArgs ); + }; + } + + + /** + * Reference to internal functions for use by plug-in developers. Note that these + * methods are references to internal functions and are considered to be private. + * If you use these methods, be aware that they are liable to change between versions + * (check the upgrade notes). + * @namespace + */ + this.oApi = { + "_fnExternApiFunc": _fnExternApiFunc, + "_fnInitialise": _fnInitialise, + "_fnInitComplete": _fnInitComplete, + "_fnLanguageCompat": _fnLanguageCompat, + "_fnAddColumn": _fnAddColumn, + "_fnColumnOptions": _fnColumnOptions, + "_fnAddData": _fnAddData, + "_fnCreateTr": _fnCreateTr, + "_fnGatherData": _fnGatherData, + "_fnBuildHead": _fnBuildHead, + "_fnDrawHead": _fnDrawHead, + "_fnDraw": _fnDraw, + "_fnReDraw": _fnReDraw, + "_fnAjaxUpdate": _fnAjaxUpdate, + "_fnAjaxParameters": _fnAjaxParameters, + "_fnAjaxUpdateDraw": _fnAjaxUpdateDraw, + "_fnServerParams": _fnServerParams, + "_fnAddOptionsHtml": _fnAddOptionsHtml, + "_fnFeatureHtmlTable": _fnFeatureHtmlTable, + "_fnScrollDraw": _fnScrollDraw, + "_fnAdjustColumnSizing": _fnAdjustColumnSizing, + "_fnFeatureHtmlFilter": _fnFeatureHtmlFilter, + "_fnFilterComplete": _fnFilterComplete, + "_fnFilterCustom": _fnFilterCustom, + "_fnFilterColumn": _fnFilterColumn, + "_fnFilter": _fnFilter, + "_fnBuildSearchArray": _fnBuildSearchArray, + "_fnBuildSearchRow": _fnBuildSearchRow, + "_fnFilterCreateSearch": _fnFilterCreateSearch, + "_fnDataToSearch": _fnDataToSearch, + "_fnSort": _fnSort, + "_fnSortAttachListener": _fnSortAttachListener, + "_fnSortingClasses": _fnSortingClasses, + "_fnFeatureHtmlPaginate": _fnFeatureHtmlPaginate, + "_fnPageChange": _fnPageChange, + "_fnFeatureHtmlInfo": _fnFeatureHtmlInfo, + "_fnUpdateInfo": _fnUpdateInfo, + "_fnFeatureHtmlLength": _fnFeatureHtmlLength, + "_fnFeatureHtmlProcessing": _fnFeatureHtmlProcessing, + "_fnProcessingDisplay": _fnProcessingDisplay, + "_fnVisibleToColumnIndex": _fnVisibleToColumnIndex, + "_fnColumnIndexToVisible": _fnColumnIndexToVisible, + "_fnNodeToDataIndex": _fnNodeToDataIndex, + "_fnVisbleColumns": _fnVisbleColumns, + "_fnCalculateEnd": _fnCalculateEnd, + "_fnConvertToWidth": _fnConvertToWidth, + "_fnCalculateColumnWidths": _fnCalculateColumnWidths, + "_fnScrollingWidthAdjust": _fnScrollingWidthAdjust, + "_fnGetWidestNode": _fnGetWidestNode, + "_fnGetMaxLenString": _fnGetMaxLenString, + "_fnStringToCss": _fnStringToCss, + "_fnDetectType": _fnDetectType, + "_fnSettingsFromNode": _fnSettingsFromNode, + "_fnGetDataMaster": _fnGetDataMaster, + "_fnGetTrNodes": _fnGetTrNodes, + "_fnGetTdNodes": _fnGetTdNodes, + "_fnEscapeRegex": _fnEscapeRegex, + "_fnDeleteIndex": _fnDeleteIndex, + "_fnReOrderIndex": _fnReOrderIndex, + "_fnColumnOrdering": _fnColumnOrdering, + "_fnLog": _fnLog, + "_fnClearTable": _fnClearTable, + "_fnSaveState": _fnSaveState, + "_fnLoadState": _fnLoadState, + "_fnCreateCookie": _fnCreateCookie, + "_fnReadCookie": _fnReadCookie, + "_fnDetectHeader": _fnDetectHeader, + "_fnGetUniqueThs": _fnGetUniqueThs, + "_fnScrollBarWidth": _fnScrollBarWidth, + "_fnApplyToChildren": _fnApplyToChildren, + "_fnMap": _fnMap, + "_fnGetRowData": _fnGetRowData, + "_fnGetCellData": _fnGetCellData, + "_fnSetCellData": _fnSetCellData, + "_fnGetObjectDataFn": _fnGetObjectDataFn, + "_fnSetObjectDataFn": _fnSetObjectDataFn, + "_fnApplyColumnDefs": _fnApplyColumnDefs, + "_fnBindAction": _fnBindAction, + "_fnExtend": _fnExtend, + "_fnCallbackReg": _fnCallbackReg, + "_fnCallbackFire": _fnCallbackFire, + "_fnJsonString": _fnJsonString, + "_fnRender": _fnRender, + "_fnNodeToColumnIndex": _fnNodeToColumnIndex, + "_fnInfoMacros": _fnInfoMacros, + "_fnBrowserDetect": _fnBrowserDetect, + "_fnGetColumns": _fnGetColumns + }; + + $.extend( DataTable.ext.oApi, this.oApi ); + + for ( var sFunc in DataTable.ext.oApi ) + { + if ( sFunc ) + { + this[sFunc] = _fnExternApiFunc(sFunc); + } + } + + + var _that = this; + this.each(function() { + var i=0, iLen, j, jLen, k, kLen; + var sId = this.getAttribute( 'id' ); + var bInitHandedOff = false; + var bUsePassedData = false; + + + /* Sanity check */ + if ( this.nodeName.toLowerCase() != 'table' ) + { + _fnLog( null, 0, "Attempted to initialise DataTables on a node which is not a "+ + "table: "+this.nodeName ); + return; + } + + /* Check to see if we are re-initialising a table */ + for ( i=0, iLen=DataTable.settings.length ; i<iLen ; i++ ) + { + /* Base check on table node */ + if ( DataTable.settings[i].nTable == this ) + { + if ( oInit === undefined || oInit.bRetrieve ) + { + return DataTable.settings[i].oInstance; + } + else if ( oInit.bDestroy ) + { + DataTable.settings[i].oInstance.fnDestroy(); + break; + } + else + { + _fnLog( DataTable.settings[i], 0, "Cannot reinitialise DataTable.\n\n"+ + "To retrieve the DataTables object for this table, pass no arguments or see "+ + "the docs for bRetrieve and bDestroy" ); + return; + } + } + + /* If the element we are initialising has the same ID as a table which was previously + * initialised, but the table nodes don't match (from before) then we destroy the old + * instance by simply deleting it. This is under the assumption that the table has been + * destroyed by other methods. Anyone using non-id selectors will need to do this manually + */ + if ( DataTable.settings[i].sTableId == this.id ) + { + DataTable.settings.splice( i, 1 ); + break; + } + } + + /* Ensure the table has an ID - required for accessibility */ + if ( sId === null || sId === "" ) + { + sId = "DataTables_Table_"+(DataTable.ext._oExternConfig.iNextUnique++); + this.id = sId; + } + + /* Create the settings object for this table and set some of the default parameters */ + var oSettings = $.extend( true, {}, DataTable.models.oSettings, { + "nTable": this, + "oApi": _that.oApi, + "oInit": oInit, + "sDestroyWidth": $(this).width(), + "sInstance": sId, + "sTableId": sId + } ); + DataTable.settings.push( oSettings ); + + // Need to add the instance after the instance after the settings object has been added + // to the settings array, so we can self reference the table instance if more than one + oSettings.oInstance = (_that.length===1) ? _that : $(this).dataTable(); + + /* Setting up the initialisation object */ + if ( !oInit ) + { + oInit = {}; + } + + // Backwards compatibility, before we apply all the defaults + if ( oInit.oLanguage ) + { + _fnLanguageCompat( oInit.oLanguage ); + } + + oInit = _fnExtend( $.extend(true, {}, DataTable.defaults), oInit ); + + // Map the initialisation options onto the settings object + _fnMap( oSettings.oFeatures, oInit, "bPaginate" ); + _fnMap( oSettings.oFeatures, oInit, "bLengthChange" ); + _fnMap( oSettings.oFeatures, oInit, "bFilter" ); + _fnMap( oSettings.oFeatures, oInit, "bSort" ); + _fnMap( oSettings.oFeatures, oInit, "bInfo" ); + _fnMap( oSettings.oFeatures, oInit, "bProcessing" ); + _fnMap( oSettings.oFeatures, oInit, "bAutoWidth" ); + _fnMap( oSettings.oFeatures, oInit, "bSortClasses" ); + _fnMap( oSettings.oFeatures, oInit, "bServerSide" ); + _fnMap( oSettings.oFeatures, oInit, "bDeferRender" ); + _fnMap( oSettings.oScroll, oInit, "sScrollX", "sX" ); + _fnMap( oSettings.oScroll, oInit, "sScrollXInner", "sXInner" ); + _fnMap( oSettings.oScroll, oInit, "sScrollY", "sY" ); + _fnMap( oSettings.oScroll, oInit, "bScrollCollapse", "bCollapse" ); + _fnMap( oSettings.oScroll, oInit, "bScrollInfinite", "bInfinite" ); + _fnMap( oSettings.oScroll, oInit, "iScrollLoadGap", "iLoadGap" ); + _fnMap( oSettings.oScroll, oInit, "bScrollAutoCss", "bAutoCss" ); + _fnMap( oSettings, oInit, "asStripeClasses" ); + _fnMap( oSettings, oInit, "asStripClasses", "asStripeClasses" ); // legacy + _fnMap( oSettings, oInit, "fnServerData" ); + _fnMap( oSettings, oInit, "fnFormatNumber" ); + _fnMap( oSettings, oInit, "sServerMethod" ); + _fnMap( oSettings, oInit, "aaSorting" ); + _fnMap( oSettings, oInit, "aaSortingFixed" ); + _fnMap( oSettings, oInit, "aLengthMenu" ); + _fnMap( oSettings, oInit, "sPaginationType" ); + _fnMap( oSettings, oInit, "sAjaxSource" ); + _fnMap( oSettings, oInit, "sAjaxDataProp" ); + _fnMap( oSettings, oInit, "iCookieDuration" ); + _fnMap( oSettings, oInit, "sCookiePrefix" ); + _fnMap( oSettings, oInit, "sDom" ); + _fnMap( oSettings, oInit, "bSortCellsTop" ); + _fnMap( oSettings, oInit, "iTabIndex" ); + _fnMap( oSettings, oInit, "oSearch", "oPreviousSearch" ); + _fnMap( oSettings, oInit, "aoSearchCols", "aoPreSearchCols" ); + _fnMap( oSettings, oInit, "iDisplayLength", "_iDisplayLength" ); + _fnMap( oSettings, oInit, "bJQueryUI", "bJUI" ); + _fnMap( oSettings, oInit, "fnCookieCallback" ); + _fnMap( oSettings, oInit, "fnStateLoad" ); + _fnMap( oSettings, oInit, "fnStateSave" ); + _fnMap( oSettings.oLanguage, oInit, "fnInfoCallback" ); + + /* Callback functions which are array driven */ + _fnCallbackReg( oSettings, 'aoDrawCallback', oInit.fnDrawCallback, 'user' ); + _fnCallbackReg( oSettings, 'aoServerParams', oInit.fnServerParams, 'user' ); + _fnCallbackReg( oSettings, 'aoStateSaveParams', oInit.fnStateSaveParams, 'user' ); + _fnCallbackReg( oSettings, 'aoStateLoadParams', oInit.fnStateLoadParams, 'user' ); + _fnCallbackReg( oSettings, 'aoStateLoaded', oInit.fnStateLoaded, 'user' ); + _fnCallbackReg( oSettings, 'aoRowCallback', oInit.fnRowCallback, 'user' ); + _fnCallbackReg( oSettings, 'aoRowCreatedCallback', oInit.fnCreatedRow, 'user' ); + _fnCallbackReg( oSettings, 'aoHeaderCallback', oInit.fnHeaderCallback, 'user' ); + _fnCallbackReg( oSettings, 'aoFooterCallback', oInit.fnFooterCallback, 'user' ); + _fnCallbackReg( oSettings, 'aoInitComplete', oInit.fnInitComplete, 'user' ); + _fnCallbackReg( oSettings, 'aoPreDrawCallback', oInit.fnPreDrawCallback, 'user' ); + + if ( oSettings.oFeatures.bServerSide && oSettings.oFeatures.bSort && + oSettings.oFeatures.bSortClasses ) + { + /* Enable sort classes for server-side processing. Safe to do it here, since server-side + * processing must be enabled by the developer + */ + _fnCallbackReg( oSettings, 'aoDrawCallback', _fnSortingClasses, 'server_side_sort_classes' ); + } + else if ( oSettings.oFeatures.bDeferRender ) + { + _fnCallbackReg( oSettings, 'aoDrawCallback', _fnSortingClasses, 'defer_sort_classes' ); + } + + if ( oInit.bJQueryUI ) + { + /* Use the JUI classes object for display. You could clone the oStdClasses object if + * you want to have multiple tables with multiple independent classes + */ + $.extend( oSettings.oClasses, DataTable.ext.oJUIClasses ); + + if ( oInit.sDom === DataTable.defaults.sDom && DataTable.defaults.sDom === "lfrtip" ) + { + /* Set the DOM to use a layout suitable for jQuery UI's theming */ + oSettings.sDom = '<"H"lfr>t<"F"ip>'; + } + } + else + { + $.extend( oSettings.oClasses, DataTable.ext.oStdClasses ); + } + $(this).addClass( oSettings.oClasses.sTable ); + + /* Calculate the scroll bar width and cache it for use later on */ + if ( oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "" ) + { + oSettings.oScroll.iBarWidth = _fnScrollBarWidth(); + } + + if ( oSettings.iInitDisplayStart === undefined ) + { + /* Display start point, taking into account the save saving */ + oSettings.iInitDisplayStart = oInit.iDisplayStart; + oSettings._iDisplayStart = oInit.iDisplayStart; + } + + /* Must be done after everything which can be overridden by a cookie! */ + if ( oInit.bStateSave ) + { + oSettings.oFeatures.bStateSave = true; + _fnLoadState( oSettings, oInit ); + _fnCallbackReg( oSettings, 'aoDrawCallback', _fnSaveState, 'state_save' ); + } + + if ( oInit.iDeferLoading !== null ) + { + oSettings.bDeferLoading = true; + var tmp = $.isArray( oInit.iDeferLoading ); + oSettings._iRecordsDisplay = tmp ? oInit.iDeferLoading[0] : oInit.iDeferLoading; + oSettings._iRecordsTotal = tmp ? oInit.iDeferLoading[1] : oInit.iDeferLoading; + } + + if ( oInit.aaData !== null ) + { + bUsePassedData = true; + } + + /* Language definitions */ + if ( oInit.oLanguage.sUrl !== "" ) + { + /* Get the language definitions from a file - because this Ajax call makes the language + * get async to the remainder of this function we use bInitHandedOff to indicate that + * _fnInitialise will be fired by the returned Ajax handler, rather than the constructor + */ + oSettings.oLanguage.sUrl = oInit.oLanguage.sUrl; + $.getJSON( oSettings.oLanguage.sUrl, null, function( json ) { + _fnLanguageCompat( json ); + $.extend( true, oSettings.oLanguage, oInit.oLanguage, json ); + _fnInitialise( oSettings ); + } ); + bInitHandedOff = true; + } + else + { + $.extend( true, oSettings.oLanguage, oInit.oLanguage ); + } + + + /* + * Stripes + */ + if ( oInit.asStripeClasses === null ) + { + oSettings.asStripeClasses =[ + oSettings.oClasses.sStripeOdd, + oSettings.oClasses.sStripeEven + ]; + } + + /* Remove row stripe classes if they are already on the table row */ + iLen=oSettings.asStripeClasses.length; + oSettings.asDestroyStripes = []; + if (iLen) + { + var bStripeRemove = false; + var anRows = $(this).children('tbody').children('tr:lt(' + iLen + ')'); + for ( i=0 ; i<iLen ; i++ ) + { + if ( anRows.hasClass( oSettings.asStripeClasses[i] ) ) + { + bStripeRemove = true; + + /* Store the classes which we are about to remove so they can be re-added on destroy */ + oSettings.asDestroyStripes.push( oSettings.asStripeClasses[i] ); + } + } + + if ( bStripeRemove ) + { + anRows.removeClass( oSettings.asStripeClasses.join(' ') ); + } + } + + /* + * Columns + * See if we should load columns automatically or use defined ones + */ + var anThs = []; + var aoColumnsInit; + var nThead = this.getElementsByTagName('thead'); + if ( nThead.length !== 0 ) + { + _fnDetectHeader( oSettings.aoHeader, nThead[0] ); + anThs = _fnGetUniqueThs( oSettings ); + } + + /* If not given a column array, generate one with nulls */ + if ( oInit.aoColumns === null ) + { + aoColumnsInit = []; + for ( i=0, iLen=anThs.length ; i<iLen ; i++ ) + { + aoColumnsInit.push( null ); + } + } + else + { + aoColumnsInit = oInit.aoColumns; + } + + /* Add the columns */ + for ( i=0, iLen=aoColumnsInit.length ; i<iLen ; i++ ) + { + /* Short cut - use the loop to check if we have column visibility state to restore */ + if ( oInit.saved_aoColumns !== undefined && oInit.saved_aoColumns.length == iLen ) + { + if ( aoColumnsInit[i] === null ) + { + aoColumnsInit[i] = {}; + } + aoColumnsInit[i].bVisible = oInit.saved_aoColumns[i].bVisible; + } + + _fnAddColumn( oSettings, anThs ? anThs[i] : null ); + } + + /* Apply the column definitions */ + _fnApplyColumnDefs( oSettings, oInit.aoColumnDefs, aoColumnsInit, function (iCol, oDef) { + _fnColumnOptions( oSettings, iCol, oDef ); + } ); + + + /* + * Sorting + * Check the aaSorting array + */ + for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ ) + { + if ( oSettings.aaSorting[i][0] >= oSettings.aoColumns.length ) + { + oSettings.aaSorting[i][0] = 0; + } + var oColumn = oSettings.aoColumns[ oSettings.aaSorting[i][0] ]; + + /* Add a default sorting index */ + if ( oSettings.aaSorting[i][2] === undefined ) + { + oSettings.aaSorting[i][2] = 0; + } + + /* If aaSorting is not defined, then we use the first indicator in asSorting */ + if ( oInit.aaSorting === undefined && oSettings.saved_aaSorting === undefined ) + { + oSettings.aaSorting[i][1] = oColumn.asSorting[0]; + } + + /* Set the current sorting index based on aoColumns.asSorting */ + for ( j=0, jLen=oColumn.asSorting.length ; j<jLen ; j++ ) + { + if ( oSettings.aaSorting[i][1] == oColumn.asSorting[j] ) + { + oSettings.aaSorting[i][2] = j; + break; + } + } + } + + /* Do a first pass on the sorting classes (allows any size changes to be taken into + * account, and also will apply sorting disabled classes if disabled + */ + _fnSortingClasses( oSettings ); + + + /* + * Final init + * Cache the header, body and footer as required, creating them if needed + */ + + /* Browser support detection */ + _fnBrowserDetect( oSettings ); + + // Work around for Webkit bug 83867 - store the caption-side before removing from doc + var captions = $(this).children('caption').each( function () { + this._captionSide = $(this).css('caption-side'); + } ); + + var thead = $(this).children('thead'); + if ( thead.length === 0 ) + { + thead = [ document.createElement( 'thead' ) ]; + this.appendChild( thead[0] ); + } + oSettings.nTHead = thead[0]; + + var tbody = $(this).children('tbody'); + if ( tbody.length === 0 ) + { + tbody = [ document.createElement( 'tbody' ) ]; + this.appendChild( tbody[0] ); + } + oSettings.nTBody = tbody[0]; + oSettings.nTBody.setAttribute( "role", "alert" ); + oSettings.nTBody.setAttribute( "aria-live", "polite" ); + oSettings.nTBody.setAttribute( "aria-relevant", "all" ); + + var tfoot = $(this).children('tfoot'); + if ( tfoot.length === 0 && captions.length > 0 && (oSettings.oScroll.sX !== "" || oSettings.oScroll.sY !== "") ) + { + // If we are a scrolling table, and no footer has been given, then we need to create + // a tfoot element for the caption element to be appended to + tfoot = [ document.createElement( 'tfoot' ) ]; + this.appendChild( tfoot[0] ); + } + + if ( tfoot.length > 0 ) + { + oSettings.nTFoot = tfoot[0]; + _fnDetectHeader( oSettings.aoFooter, oSettings.nTFoot ); + } + + /* Check if there is data passing into the constructor */ + if ( bUsePassedData ) + { + for ( i=0 ; i<oInit.aaData.length ; i++ ) + { + _fnAddData( oSettings, oInit.aaData[ i ] ); + } + } + else + { + /* Grab the data from the page */ + _fnGatherData( oSettings ); + } + + /* Copy the data index array */ + oSettings.aiDisplay = oSettings.aiDisplayMaster.slice(); + + /* Initialisation complete - table can be drawn */ + oSettings.bInitialised = true; + + /* Check if we need to initialise the table (it might not have been handed off to the + * language processor) + */ + if ( bInitHandedOff === false ) + { + _fnInitialise( oSettings ); + } + } ); + _that = null; + return this; + }; + + + + /** + * Provide a common method for plug-ins to check the version of DataTables being used, in order + * to ensure compatibility. + * @param {string} sVersion Version string to check for, in the format "X.Y.Z". Note that the + * formats "X" and "X.Y" are also acceptable. + * @returns {boolean} true if this version of DataTables is greater or equal to the required + * version, or false if this version of DataTales is not suitable + * @static + * @dtopt API-Static + * + * @example + * alert( $.fn.dataTable.fnVersionCheck( '1.9.0' ) ); + */ + DataTable.fnVersionCheck = function( sVersion ) + { + /* This is cheap, but effective */ + var fnZPad = function (Zpad, count) + { + while(Zpad.length < count) { + Zpad += '0'; + } + return Zpad; + }; + var aThis = DataTable.ext.sVersion.split('.'); + var aThat = sVersion.split('.'); + var sThis = '', sThat = ''; + + for ( var i=0, iLen=aThat.length ; i<iLen ; i++ ) + { + sThis += fnZPad( aThis[i], 3 ); + sThat += fnZPad( aThat[i], 3 ); + } + + return parseInt(sThis, 10) >= parseInt(sThat, 10); + }; + + + /** + * Check if a TABLE node is a DataTable table already or not. + * @param {node} nTable The TABLE node to check if it is a DataTable or not (note that other + * node types can be passed in, but will always return false). + * @returns {boolean} true the table given is a DataTable, or false otherwise + * @static + * @dtopt API-Static + * + * @example + * var ex = document.getElementById('example'); + * if ( ! $.fn.DataTable.fnIsDataTable( ex ) ) { + * $(ex).dataTable(); + * } + */ + DataTable.fnIsDataTable = function ( nTable ) + { + var o = DataTable.settings; + + for ( var i=0 ; i<o.length ; i++ ) + { + if ( o[i].nTable === nTable || o[i].nScrollHead === nTable || o[i].nScrollFoot === nTable ) + { + return true; + } + } + + return false; + }; + + + /** + * Get all DataTable tables that have been initialised - optionally you can select to + * get only currently visible tables. + * @param {boolean} [bVisible=false] Flag to indicate if you want all (default) or + * visible tables only. + * @returns {array} Array of TABLE nodes (not DataTable instances) which are DataTables + * @static + * @dtopt API-Static + * + * @example + * var table = $.fn.dataTable.fnTables(true); + * if ( table.length > 0 ) { + * $(table).dataTable().fnAdjustColumnSizing(); + * } + */ + DataTable.fnTables = function ( bVisible ) + { + var out = []; + + jQuery.each( DataTable.settings, function (i, o) { + if ( !bVisible || (bVisible === true && $(o.nTable).is(':visible')) ) + { + out.push( o.nTable ); + } + } ); + + return out; + }; + + + /** + * Version string for plug-ins to check compatibility. Allowed format is + * a.b.c.d.e where: a:int, b:int, c:int, d:string(dev|beta), e:int. d and + * e are optional + * @member + * @type string + * @default Version number + */ + DataTable.version = "1.9.4"; + + /** + * Private data store, containing all of the settings objects that are created for the + * tables on a given page. + * + * Note that the <i>DataTable.settings</i> object is aliased to <i>jQuery.fn.dataTableExt</i> + * through which it may be accessed and manipulated, or <i>jQuery.fn.dataTable.settings</i>. + * @member + * @type array + * @default [] + * @private + */ + DataTable.settings = []; + + /** + * Object models container, for the various models that DataTables has available + * to it. These models define the objects that are used to hold the active state + * and configuration of the table. + * @namespace + */ + DataTable.models = {}; + + + /** + * DataTables extension options and plug-ins. This namespace acts as a collection "area" + * for plug-ins that can be used to extend the default DataTables behaviour - indeed many + * of the build in methods use this method to provide their own capabilities (sorting methods + * for example). + * + * Note that this namespace is aliased to jQuery.fn.dataTableExt so it can be readily accessed + * and modified by plug-ins. + * @namespace + */ + DataTable.models.ext = { + /** + * Plug-in filtering functions - this method of filtering is complimentary to the default + * type based filtering, and a lot more comprehensive as it allows you complete control + * over the filtering logic. Each element in this array is a function (parameters + * described below) that is called for every row in the table, and your logic decides if + * it should be included in the filtered data set or not. + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li> + * <li>{array|object} Data for the row to be processed (same as the original format + * that was passed in as the data source, or an array from a DOM data source</li> + * <li>{int} Row index in aoData ({@link DataTable.models.oSettings.aoData}), which can + * be useful to retrieve the TR element if you need DOM interaction.</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>{boolean} Include the row in the filtered result set (true) or not (false)</li> + * </ul> + * </il> + * </ul> + * @type array + * @default [] + * + * @example + * // The following example shows custom filtering being applied to the fourth column (i.e. + * // the aData[3] index) based on two input values from the end-user, matching the data in + * // a certain range. + * $.fn.dataTableExt.afnFiltering.push( + * function( oSettings, aData, iDataIndex ) { + * var iMin = document.getElementById('min').value * 1; + * var iMax = document.getElementById('max').value * 1; + * var iVersion = aData[3] == "-" ? 0 : aData[3]*1; + * if ( iMin == "" && iMax == "" ) { + * return true; + * } + * else if ( iMin == "" && iVersion < iMax ) { + * return true; + * } + * else if ( iMin < iVersion && "" == iMax ) { + * return true; + * } + * else if ( iMin < iVersion && iVersion < iMax ) { + * return true; + * } + * return false; + * } + * ); + */ + "afnFiltering": [], + + + /** + * Plug-in sorting functions - this method of sorting is complimentary to the default type + * based sorting that DataTables does automatically, allowing much greater control over the + * the data that is being used to sort a column. This is useful if you want to do sorting + * based on live data (for example the contents of an 'input' element) rather than just the + * static string that DataTables knows of. The way these plug-ins work is that you create + * an array of the values you wish to be sorted for the column in question and then return + * that array. Which pre-sorting function is run here depends on the sSortDataType parameter + * that is used for the column (if any). This is the corollary of <i>ofnSearch</i> for sort + * data. + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li> + * <li>{int} Target column index</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>{array} Data for the column to be sorted upon</li> + * </ul> + * </il> + * </ul> + * + * Note that as of v1.9, it is typically preferable to use <i>mData</i> to prepare data for + * the different uses that DataTables can put the data to. Specifically <i>mData</i> when + * used as a function will give you a 'type' (sorting, filtering etc) that you can use to + * prepare the data as required for the different types. As such, this method is deprecated. + * @type array + * @default [] + * @deprecated + * + * @example + * // Updating the cached sorting information with user entered values in HTML input elements + * jQuery.fn.dataTableExt.afnSortData['dom-text'] = function ( oSettings, iColumn ) + * { + * var aData = []; + * $( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () { + * aData.push( this.value ); + * } ); + * return aData; + * } + */ + "afnSortData": [], + + + /** + * Feature plug-ins - This is an array of objects which describe the feature plug-ins that are + * available to DataTables. These feature plug-ins are accessible through the sDom initialisation + * option. As such, each feature plug-in must describe a function that is used to initialise + * itself (fnInit), a character so the feature can be enabled by sDom (cFeature) and the name + * of the feature (sFeature). Thus the objects attached to this method must provide: + * <ul> + * <li>{function} fnInit Initialisation of the plug-in + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>{node|null} The element which contains your feature. Note that the return + * may also be void if your plug-in does not require to inject any DOM elements + * into DataTables control (sDom) - for example this might be useful when + * developing a plug-in which allows table control via keyboard entry.</li> + * </ul> + * </il> + * </ul> + * </li> + * <li>{character} cFeature Character that will be matched in sDom - case sensitive</li> + * <li>{string} sFeature Feature name</li> + * </ul> + * @type array + * @default [] + * + * @example + * // How TableTools initialises itself. + * $.fn.dataTableExt.aoFeatures.push( { + * "fnInit": function( oSettings ) { + * return new TableTools( { "oDTSettings": oSettings } ); + * }, + * "cFeature": "T", + * "sFeature": "TableTools" + * } ); + */ + "aoFeatures": [], + + + /** + * Type detection plug-in functions - DataTables utilises types to define how sorting and + * filtering behave, and types can be either be defined by the developer (sType for the + * column) or they can be automatically detected by the methods in this array. The functions + * defined in the array are quite simple, taking a single parameter (the data to analyse) + * and returning the type if it is a known type, or null otherwise. + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{*} Data from the column cell to be analysed</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>{string|null} Data type detected, or null if unknown (and thus pass it + * on to the other type detection functions.</li> + * </ul> + * </il> + * </ul> + * @type array + * @default [] + * + * @example + * // Currency type detection plug-in: + * jQuery.fn.dataTableExt.aTypes.push( + * function ( sData ) { + * var sValidChars = "0123456789.-"; + * var Char; + * + * // Check the numeric part + * for ( i=1 ; i<sData.length ; i++ ) { + * Char = sData.charAt(i); + * if (sValidChars.indexOf(Char) == -1) { + * return null; + * } + * } + * + * // Check prefixed by currency + * if ( sData.charAt(0) == '$' || sData.charAt(0) == '£' ) { + * return 'currency'; + * } + * return null; + * } + * ); + */ + "aTypes": [], + + + /** + * Provide a common method for plug-ins to check the version of DataTables being used, + * in order to ensure compatibility. + * @type function + * @param {string} sVersion Version string to check for, in the format "X.Y.Z". Note + * that the formats "X" and "X.Y" are also acceptable. + * @returns {boolean} true if this version of DataTables is greater or equal to the + * required version, or false if this version of DataTales is not suitable + * + * @example + * $(document).ready(function() { + * var oTable = $('#example').dataTable(); + * alert( oTable.fnVersionCheck( '1.9.0' ) ); + * } ); + */ + "fnVersionCheck": DataTable.fnVersionCheck, + + + /** + * Index for what 'this' index API functions should use + * @type int + * @default 0 + */ + "iApiIndex": 0, + + + /** + * Pre-processing of filtering data plug-ins - When you assign the sType for a column + * (or have it automatically detected for you by DataTables or a type detection plug-in), + * you will typically be using this for custom sorting, but it can also be used to provide + * custom filtering by allowing you to pre-processing the data and returning the data in + * the format that should be filtered upon. This is done by adding functions this object + * with a parameter name which matches the sType for that target column. This is the + * corollary of <i>afnSortData</i> for filtering data. + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{*} Data from the column cell to be prepared for filtering</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>{string|null} Formatted string that will be used for the filtering.</li> + * </ul> + * </il> + * </ul> + * + * Note that as of v1.9, it is typically preferable to use <i>mData</i> to prepare data for + * the different uses that DataTables can put the data to. Specifically <i>mData</i> when + * used as a function will give you a 'type' (sorting, filtering etc) that you can use to + * prepare the data as required for the different types. As such, this method is deprecated. + * @type object + * @default {} + * @deprecated + * + * @example + * $.fn.dataTableExt.ofnSearch['title-numeric'] = function ( sData ) { + * return sData.replace(/\n/g," ").replace( /<.*?>/g, "" ); + * } + */ + "ofnSearch": {}, + + + /** + * Container for all private functions in DataTables so they can be exposed externally + * @type object + * @default {} + */ + "oApi": {}, + + + /** + * Storage for the various classes that DataTables uses + * @type object + * @default {} + */ + "oStdClasses": {}, + + + /** + * Storage for the various classes that DataTables uses - jQuery UI suitable + * @type object + * @default {} + */ + "oJUIClasses": {}, + + + /** + * Pagination plug-in methods - The style and controls of the pagination can significantly + * impact on how the end user interacts with the data in your table, and DataTables allows + * the addition of pagination controls by extending this object, which can then be enabled + * through the <i>sPaginationType</i> initialisation parameter. Each pagination type that + * is added is an object (the property name of which is what <i>sPaginationType</i> refers + * to) that has two properties, both methods that are used by DataTables to update the + * control's state. + * <ul> + * <li> + * fnInit - Initialisation of the paging controls. Called only during initialisation + * of the table. It is expected that this function will add the required DOM elements + * to the page for the paging controls to work. The element pointer + * 'oSettings.aanFeatures.p' array is provided by DataTables to contain the paging + * controls (note that this is a 2D array to allow for multiple instances of each + * DataTables DOM element). It is suggested that you add the controls to this element + * as children + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li> + * <li>{node} Container into which the pagination controls must be inserted</li> + * <li>{function} Draw callback function - whenever the controls cause a page + * change, this method must be called to redraw the table.</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>No return required</li> + * </ul> + * </il> + * </ul> + * </il> + * <li> + * fnInit - This function is called whenever the paging status of the table changes and is + * typically used to update classes and/or text of the paging controls to reflex the new + * status. + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li> + * <li>{function} Draw callback function - in case you need to redraw the table again + * or attach new event listeners</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>No return required</li> + * </ul> + * </il> + * </ul> + * </il> + * </ul> + * @type object + * @default {} + * + * @example + * $.fn.dataTableExt.oPagination.four_button = { + * "fnInit": function ( oSettings, nPaging, fnCallbackDraw ) { + * nFirst = document.createElement( 'span' ); + * nPrevious = document.createElement( 'span' ); + * nNext = document.createElement( 'span' ); + * nLast = document.createElement( 'span' ); + * + * nFirst.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sFirst ) ); + * nPrevious.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sPrevious ) ); + * nNext.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sNext ) ); + * nLast.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sLast ) ); + * + * nFirst.className = "paginate_button first"; + * nPrevious.className = "paginate_button previous"; + * nNext.className="paginate_button next"; + * nLast.className = "paginate_button last"; + * + * nPaging.appendChild( nFirst ); + * nPaging.appendChild( nPrevious ); + * nPaging.appendChild( nNext ); + * nPaging.appendChild( nLast ); + * + * $(nFirst).click( function () { + * oSettings.oApi._fnPageChange( oSettings, "first" ); + * fnCallbackDraw( oSettings ); + * } ); + * + * $(nPrevious).click( function() { + * oSettings.oApi._fnPageChange( oSettings, "previous" ); + * fnCallbackDraw( oSettings ); + * } ); + * + * $(nNext).click( function() { + * oSettings.oApi._fnPageChange( oSettings, "next" ); + * fnCallbackDraw( oSettings ); + * } ); + * + * $(nLast).click( function() { + * oSettings.oApi._fnPageChange( oSettings, "last" ); + * fnCallbackDraw( oSettings ); + * } ); + * + * $(nFirst).bind( 'selectstart', function () { return false; } ); + * $(nPrevious).bind( 'selectstart', function () { return false; } ); + * $(nNext).bind( 'selectstart', function () { return false; } ); + * $(nLast).bind( 'selectstart', function () { return false; } ); + * }, + * + * "fnUpdate": function ( oSettings, fnCallbackDraw ) { + * if ( !oSettings.aanFeatures.p ) { + * return; + * } + * + * // Loop over each instance of the pager + * var an = oSettings.aanFeatures.p; + * for ( var i=0, iLen=an.length ; i<iLen ; i++ ) { + * var buttons = an[i].getElementsByTagName('span'); + * if ( oSettings._iDisplayStart === 0 ) { + * buttons[0].className = "paginate_disabled_previous"; + * buttons[1].className = "paginate_disabled_previous"; + * } + * else { + * buttons[0].className = "paginate_enabled_previous"; + * buttons[1].className = "paginate_enabled_previous"; + * } + * + * if ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) { + * buttons[2].className = "paginate_disabled_next"; + * buttons[3].className = "paginate_disabled_next"; + * } + * else { + * buttons[2].className = "paginate_enabled_next"; + * buttons[3].className = "paginate_enabled_next"; + * } + * } + * } + * }; + */ + "oPagination": {}, + + + /** + * Sorting plug-in methods - Sorting in DataTables is based on the detected type of the + * data column (you can add your own type detection functions, or override automatic + * detection using sType). With this specific type given to the column, DataTables will + * apply the required sort from the functions in the object. Each sort type must provide + * two mandatory methods, one each for ascending and descending sorting, and can optionally + * provide a pre-formatting method that will help speed up sorting by allowing DataTables + * to pre-format the sort data only once (rather than every time the actual sort functions + * are run). The two sorting functions are typical Javascript sort methods: + * <ul> + * <li> + * Function input parameters: + * <ul> + * <li>{*} Data to compare to the second parameter</li> + * <li>{*} Data to compare to the first parameter</li> + * </ul> + * </li> + * <li> + * Function return: + * <ul> + * <li>{int} Sorting match: <0 if first parameter should be sorted lower than + * the second parameter, ===0 if the two parameters are equal and >0 if + * the first parameter should be sorted height than the second parameter.</li> + * </ul> + * </il> + * </ul> + * @type object + * @default {} + * + * @example + * // Case-sensitive string sorting, with no pre-formatting method + * $.extend( $.fn.dataTableExt.oSort, { + * "string-case-asc": function(x,y) { + * return ((x < y) ? -1 : ((x > y) ? 1 : 0)); + * }, + * "string-case-desc": function(x,y) { + * return ((x < y) ? 1 : ((x > y) ? -1 : 0)); + * } + * } ); + * + * @example + * // Case-insensitive string sorting, with pre-formatting + * $.extend( $.fn.dataTableExt.oSort, { + * "string-pre": function(x) { + * return x.toLowerCase(); + * }, + * "string-asc": function(x,y) { + * return ((x < y) ? -1 : ((x > y) ? 1 : 0)); + * }, + * "string-desc": function(x,y) { + * return ((x < y) ? 1 : ((x > y) ? -1 : 0)); + * } + * } ); + */ + "oSort": {}, + + + /** + * Version string for plug-ins to check compatibility. Allowed format is + * a.b.c.d.e where: a:int, b:int, c:int, d:string(dev|beta), e:int. d and + * e are optional + * @type string + * @default Version number + */ + "sVersion": DataTable.version, + + + /** + * How should DataTables report an error. Can take the value 'alert' or 'throw' + * @type string + * @default alert + */ + "sErrMode": "alert", + + + /** + * Store information for DataTables to access globally about other instances + * @namespace + * @private + */ + "_oExternConfig": { + /* int:iNextUnique - next unique number for an instance */ + "iNextUnique": 0 + } + }; + + + + + /** + * Template object for the way in which DataTables holds information about + * search information for the global filter and individual column filters. + * @namespace + */ + DataTable.models.oSearch = { + /** + * Flag to indicate if the filtering should be case insensitive or not + * @type boolean + * @default true + */ + "bCaseInsensitive": true, + + /** + * Applied search term + * @type string + * @default <i>Empty string</i> + */ + "sSearch": "", + + /** + * Flag to indicate if the search term should be interpreted as a + * regular expression (true) or not (false) and therefore and special + * regex characters escaped. + * @type boolean + * @default false + */ + "bRegex": false, + + /** + * Flag to indicate if DataTables is to use its smart filtering or not. + * @type boolean + * @default true + */ + "bSmart": true + }; + + + + + /** + * Template object for the way in which DataTables holds information about + * each individual row. This is the object format used for the settings + * aoData array. + * @namespace + */ + DataTable.models.oRow = { + /** + * TR element for the row + * @type node + * @default null + */ + "nTr": null, + + /** + * Data object from the original data source for the row. This is either + * an array if using the traditional form of DataTables, or an object if + * using mData options. The exact type will depend on the passed in + * data from the data source, or will be an array if using DOM a data + * source. + * @type array|object + * @default [] + */ + "_aData": [], + + /** + * Sorting data cache - this array is ostensibly the same length as the + * number of columns (although each index is generated only as it is + * needed), and holds the data that is used for sorting each column in the + * row. We do this cache generation at the start of the sort in order that + * the formatting of the sort data need be done only once for each cell + * per sort. This array should not be read from or written to by anything + * other than the master sorting methods. + * @type array + * @default [] + * @private + */ + "_aSortData": [], + + /** + * Array of TD elements that are cached for hidden rows, so they can be + * reinserted into the table if a column is made visible again (or to act + * as a store if a column is made hidden). Only hidden columns have a + * reference in the array. For non-hidden columns the value is either + * undefined or null. + * @type array nodes + * @default [] + * @private + */ + "_anHidden": [], + + /** + * Cache of the class name that DataTables has applied to the row, so we + * can quickly look at this variable rather than needing to do a DOM check + * on className for the nTr property. + * @type string + * @default <i>Empty string</i> + * @private + */ + "_sRowStripe": "" + }; + + + + /** + * Template object for the column information object in DataTables. This object + * is held in the settings aoColumns array and contains all the information that + * DataTables needs about each individual column. + * + * Note that this object is related to {@link DataTable.defaults.columns} + * but this one is the internal data store for DataTables's cache of columns. + * It should NOT be manipulated outside of DataTables. Any configuration should + * be done through the initialisation options. + * @namespace + */ + DataTable.models.oColumn = { + /** + * A list of the columns that sorting should occur on when this column + * is sorted. That this property is an array allows multi-column sorting + * to be defined for a column (for example first name / last name columns + * would benefit from this). The values are integers pointing to the + * columns to be sorted on (typically it will be a single integer pointing + * at itself, but that doesn't need to be the case). + * @type array + */ + "aDataSort": null, + + /** + * Define the sorting directions that are applied to the column, in sequence + * as the column is repeatedly sorted upon - i.e. the first value is used + * as the sorting direction when the column if first sorted (clicked on). + * Sort it again (click again) and it will move on to the next index. + * Repeat until loop. + * @type array + */ + "asSorting": null, + + /** + * Flag to indicate if the column is searchable, and thus should be included + * in the filtering or not. + * @type boolean + */ + "bSearchable": null, + + /** + * Flag to indicate if the column is sortable or not. + * @type boolean + */ + "bSortable": null, + + /** + * <code>Deprecated</code> When using fnRender, you have two options for what + * to do with the data, and this property serves as the switch. Firstly, you + * can have the sorting and filtering use the rendered value (true - default), + * or you can have the sorting and filtering us the original value (false). + * + * Please note that this option has now been deprecated and will be removed + * in the next version of DataTables. Please use mRender / mData rather than + * fnRender. + * @type boolean + * @deprecated + */ + "bUseRendered": null, + + /** + * Flag to indicate if the column is currently visible in the table or not + * @type boolean + */ + "bVisible": null, + + /** + * Flag to indicate to the type detection method if the automatic type + * detection should be used, or if a column type (sType) has been specified + * @type boolean + * @default true + * @private + */ + "_bAutoType": true, + + /** + * Developer definable function that is called whenever a cell is created (Ajax source, + * etc) or processed for input (DOM source). This can be used as a compliment to mRender + * allowing you to modify the DOM element (add background colour for example) when the + * element is available. + * @type function + * @param {element} nTd The TD node that has been created + * @param {*} sData The Data for the cell + * @param {array|object} oData The data for the whole row + * @param {int} iRow The row index for the aoData data store + * @default null + */ + "fnCreatedCell": null, + + /** + * Function to get data from a cell in a column. You should <b>never</b> + * access data directly through _aData internally in DataTables - always use + * the method attached to this property. It allows mData to function as + * required. This function is automatically assigned by the column + * initialisation method + * @type function + * @param {array|object} oData The data array/object for the array + * (i.e. aoData[]._aData) + * @param {string} sSpecific The specific data type you want to get - + * 'display', 'type' 'filter' 'sort' + * @returns {*} The data for the cell from the given row's data + * @default null + */ + "fnGetData": null, + + /** + * <code>Deprecated</code> Custom display function that will be called for the + * display of each cell in this column. + * + * Please note that this option has now been deprecated and will be removed + * in the next version of DataTables. Please use mRender / mData rather than + * fnRender. + * @type function + * @param {object} o Object with the following parameters: + * @param {int} o.iDataRow The row in aoData + * @param {int} o.iDataColumn The column in question + * @param {array} o.aData The data for the row in question + * @param {object} o.oSettings The settings object for this DataTables instance + * @returns {string} The string you which to use in the display + * @default null + * @deprecated + */ + "fnRender": null, + + /** + * Function to set data for a cell in the column. You should <b>never</b> + * set the data directly to _aData internally in DataTables - always use + * this method. It allows mData to function as required. This function + * is automatically assigned by the column initialisation method + * @type function + * @param {array|object} oData The data array/object for the array + * (i.e. aoData[]._aData) + * @param {*} sValue Value to set + * @default null + */ + "fnSetData": null, + + /** + * Property to read the value for the cells in the column from the data + * source array / object. If null, then the default content is used, if a + * function is given then the return from the function is used. + * @type function|int|string|null + * @default null + */ + "mData": null, + + /** + * Partner property to mData which is used (only when defined) to get + * the data - i.e. it is basically the same as mData, but without the + * 'set' option, and also the data fed to it is the result from mData. + * This is the rendering method to match the data method of mData. + * @type function|int|string|null + * @default null + */ + "mRender": null, + + /** + * Unique header TH/TD element for this column - this is what the sorting + * listener is attached to (if sorting is enabled.) + * @type node + * @default null + */ + "nTh": null, + + /** + * Unique footer TH/TD element for this column (if there is one). Not used + * in DataTables as such, but can be used for plug-ins to reference the + * footer for each column. + * @type node + * @default null + */ + "nTf": null, + + /** + * The class to apply to all TD elements in the table's TBODY for the column + * @type string + * @default null + */ + "sClass": null, + + /** + * When DataTables calculates the column widths to assign to each column, + * it finds the longest string in each column and then constructs a + * temporary table and reads the widths from that. The problem with this + * is that "mmm" is much wider then "iiii", but the latter is a longer + * string - thus the calculation can go wrong (doing it properly and putting + * it into an DOM object and measuring that is horribly(!) slow). Thus as + * a "work around" we provide this option. It will append its value to the + * text that is found to be the longest string for the column - i.e. padding. + * @type string + */ + "sContentPadding": null, + + /** + * Allows a default value to be given for a column's data, and will be used + * whenever a null data source is encountered (this can be because mData + * is set to null, or because the data source itself is null). + * @type string + * @default null + */ + "sDefaultContent": null, + + /** + * Name for the column, allowing reference to the column by name as well as + * by index (needs a lookup to work by name). + * @type string + */ + "sName": null, + + /** + * Custom sorting data type - defines which of the available plug-ins in + * afnSortData the custom sorting will use - if any is defined. + * @type string + * @default std + */ + "sSortDataType": 'std', + + /** + * Class to be applied to the header element when sorting on this column + * @type string + * @default null + */ + "sSortingClass": null, + + /** + * Class to be applied to the header element when sorting on this column - + * when jQuery UI theming is used. + * @type string + * @default null + */ + "sSortingClassJUI": null, + + /** + * Title of the column - what is seen in the TH element (nTh). + * @type string + */ + "sTitle": null, + + /** + * Column sorting and filtering type + * @type string + * @default null + */ + "sType": null, + + /** + * Width of the column + * @type string + * @default null + */ + "sWidth": null, + + /** + * Width of the column when it was first "encountered" + * @type string + * @default null + */ + "sWidthOrig": null + }; + + + + /** + * Initialisation options that can be given to DataTables at initialisation + * time. + * @namespace + */ + DataTable.defaults = { + /** + * An array of data to use for the table, passed in at initialisation which + * will be used in preference to any data which is already in the DOM. This is + * particularly useful for constructing tables purely in Javascript, for + * example with a custom Ajax call. + * @type array + * @default null + * @dtopt Option + * + * @example + * // Using a 2D array data source + * $(document).ready( function () { + * $('#example').dataTable( { + * "aaData": [ + * ['Trident', 'Internet Explorer 4.0', 'Win 95+', 4, 'X'], + * ['Trident', 'Internet Explorer 5.0', 'Win 95+', 5, 'C'], + * ], + * "aoColumns": [ + * { "sTitle": "Engine" }, + * { "sTitle": "Browser" }, + * { "sTitle": "Platform" }, + * { "sTitle": "Version" }, + * { "sTitle": "Grade" } + * ] + * } ); + * } ); + * + * @example + * // Using an array of objects as a data source (mData) + * $(document).ready( function () { + * $('#example').dataTable( { + * "aaData": [ + * { + * "engine": "Trident", + * "browser": "Internet Explorer 4.0", + * "platform": "Win 95+", + * "version": 4, + * "grade": "X" + * }, + * { + * "engine": "Trident", + * "browser": "Internet Explorer 5.0", + * "platform": "Win 95+", + * "version": 5, + * "grade": "C" + * } + * ], + * "aoColumns": [ + * { "sTitle": "Engine", "mData": "engine" }, + * { "sTitle": "Browser", "mData": "browser" }, + * { "sTitle": "Platform", "mData": "platform" }, + * { "sTitle": "Version", "mData": "version" }, + * { "sTitle": "Grade", "mData": "grade" } + * ] + * } ); + * } ); + */ + "aaData": null, + + + /** + * If sorting is enabled, then DataTables will perform a first pass sort on + * initialisation. You can define which column(s) the sort is performed upon, + * and the sorting direction, with this variable. The aaSorting array should + * contain an array for each column to be sorted initially containing the + * column's index and a direction string ('asc' or 'desc'). + * @type array + * @default [[0,'asc']] + * @dtopt Option + * + * @example + * // Sort by 3rd column first, and then 4th column + * $(document).ready( function() { + * $('#example').dataTable( { + * "aaSorting": [[2,'asc'], [3,'desc']] + * } ); + * } ); + * + * // No initial sorting + * $(document).ready( function() { + * $('#example').dataTable( { + * "aaSorting": [] + * } ); + * } ); + */ + "aaSorting": [[0,'asc']], + + + /** + * This parameter is basically identical to the aaSorting parameter, but + * cannot be overridden by user interaction with the table. What this means + * is that you could have a column (visible or hidden) which the sorting will + * always be forced on first - any sorting after that (from the user) will + * then be performed as required. This can be useful for grouping rows + * together. + * @type array + * @default null + * @dtopt Option + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "aaSortingFixed": [[0,'asc']] + * } ); + * } ) + */ + "aaSortingFixed": null, + + + /** + * This parameter allows you to readily specify the entries in the length drop + * down menu that DataTables shows when pagination is enabled. It can be + * either a 1D array of options which will be used for both the displayed + * option and the value, or a 2D array which will use the array in the first + * position as the value, and the array in the second position as the + * displayed options (useful for language strings such as 'All'). + * @type array + * @default [ 10, 25, 50, 100 ] + * @dtopt Option + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "aLengthMenu": [[10, 25, 50, -1], [10, 25, 50, "All"]] + * } ); + * } ); + * + * @example + * // Setting the default display length as well as length menu + * // This is likely to be wanted if you remove the '10' option which + * // is the iDisplayLength default. + * $(document).ready( function() { + * $('#example').dataTable( { + * "iDisplayLength": 25, + * "aLengthMenu": [[25, 50, 100, -1], [25, 50, 100, "All"]] + * } ); + * } ); + */ + "aLengthMenu": [ 10, 25, 50, 100 ], + + + /** + * The aoColumns option in the initialisation parameter allows you to define + * details about the way individual columns behave. For a full list of + * column options that can be set, please see + * {@link DataTable.defaults.columns}. Note that if you use aoColumns to + * define your columns, you must have an entry in the array for every single + * column that you have in your table (these can be null if you don't which + * to specify any options). + * @member + */ + "aoColumns": null, + + /** + * Very similar to aoColumns, aoColumnDefs allows you to target a specific + * column, multiple columns, or all columns, using the aTargets property of + * each object in the array. This allows great flexibility when creating + * tables, as the aoColumnDefs arrays can be of any length, targeting the + * columns you specifically want. aoColumnDefs may use any of the column + * options available: {@link DataTable.defaults.columns}, but it _must_ + * have aTargets defined in each object in the array. Values in the aTargets + * array may be: + * <ul> + * <li>a string - class name will be matched on the TH for the column</li> + * <li>0 or a positive integer - column index counting from the left</li> + * <li>a negative integer - column index counting from the right</li> + * <li>the string "_all" - all columns (i.e. assign a default)</li> + * </ul> + * @member + */ + "aoColumnDefs": null, + + + /** + * Basically the same as oSearch, this parameter defines the individual column + * filtering state at initialisation time. The array must be of the same size + * as the number of columns, and each element be an object with the parameters + * "sSearch" and "bEscapeRegex" (the latter is optional). 'null' is also + * accepted and the default will be used. + * @type array + * @default [] + * @dtopt Option + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoSearchCols": [ + * null, + * { "sSearch": "My filter" }, + * null, + * { "sSearch": "^[0-9]", "bEscapeRegex": false } + * ] + * } ); + * } ) + */ + "aoSearchCols": [], + + + /** + * An array of CSS classes that should be applied to displayed rows. This + * array may be of any length, and DataTables will apply each class + * sequentially, looping when required. + * @type array + * @default null <i>Will take the values determined by the oClasses.sStripe* + * options</i> + * @dtopt Option + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "asStripeClasses": [ 'strip1', 'strip2', 'strip3' ] + * } ); + * } ) + */ + "asStripeClasses": null, + + + /** + * Enable or disable automatic column width calculation. This can be disabled + * as an optimisation (it takes some time to calculate the widths) if the + * tables widths are passed in using aoColumns. + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bAutoWidth": false + * } ); + * } ); + */ + "bAutoWidth": true, + + + /** + * Deferred rendering can provide DataTables with a huge speed boost when you + * are using an Ajax or JS data source for the table. This option, when set to + * true, will cause DataTables to defer the creation of the table elements for + * each row until they are needed for a draw - saving a significant amount of + * time. + * @type boolean + * @default false + * @dtopt Features + * + * @example + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "sAjaxSource": "sources/arrays.txt", + * "bDeferRender": true + * } ); + * } ); + */ + "bDeferRender": false, + + + /** + * Replace a DataTable which matches the given selector and replace it with + * one which has the properties of the new initialisation object passed. If no + * table matches the selector, then the new DataTable will be constructed as + * per normal. + * @type boolean + * @default false + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sScrollY": "200px", + * "bPaginate": false + * } ); + * + * // Some time later.... + * $('#example').dataTable( { + * "bFilter": false, + * "bDestroy": true + * } ); + * } ); + */ + "bDestroy": false, + + + /** + * Enable or disable filtering of data. Filtering in DataTables is "smart" in + * that it allows the end user to input multiple words (space separated) and + * will match a row containing those words, even if not in the order that was + * specified (this allow matching across multiple columns). Note that if you + * wish to use filtering in DataTables this must remain 'true' - to remove the + * default filtering input box and retain filtering abilities, please use + * {@link DataTable.defaults.sDom}. + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bFilter": false + * } ); + * } ); + */ + "bFilter": true, + + + /** + * Enable or disable the table information display. This shows information + * about the data that is currently visible on the page, including information + * about filtered data if that action is being performed. + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bInfo": false + * } ); + * } ); + */ + "bInfo": true, + + + /** + * Enable jQuery UI ThemeRoller support (required as ThemeRoller requires some + * slightly different and additional mark-up from what DataTables has + * traditionally used). + * @type boolean + * @default false + * @dtopt Features + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bJQueryUI": true + * } ); + * } ); + */ + "bJQueryUI": false, + + + /** + * Allows the end user to select the size of a formatted page from a select + * menu (sizes are 10, 25, 50 and 100). Requires pagination (bPaginate). + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bLengthChange": false + * } ); + * } ); + */ + "bLengthChange": true, + + + /** + * Enable or disable pagination. + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bPaginate": false + * } ); + * } ); + */ + "bPaginate": true, + + + /** + * Enable or disable the display of a 'processing' indicator when the table is + * being processed (e.g. a sort). This is particularly useful for tables with + * large amounts of data where it can take a noticeable amount of time to sort + * the entries. + * @type boolean + * @default false + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bProcessing": true + * } ); + * } ); + */ + "bProcessing": false, + + + /** + * Retrieve the DataTables object for the given selector. Note that if the + * table has already been initialised, this parameter will cause DataTables + * to simply return the object that has already been set up - it will not take + * account of any changes you might have made to the initialisation object + * passed to DataTables (setting this parameter to true is an acknowledgement + * that you understand this). bDestroy can be used to reinitialise a table if + * you need. + * @type boolean + * @default false + * @dtopt Options + * + * @example + * $(document).ready( function() { + * initTable(); + * tableActions(); + * } ); + * + * function initTable () + * { + * return $('#example').dataTable( { + * "sScrollY": "200px", + * "bPaginate": false, + * "bRetrieve": true + * } ); + * } + * + * function tableActions () + * { + * var oTable = initTable(); + * // perform API operations with oTable + * } + */ + "bRetrieve": false, + + + /** + * Indicate if DataTables should be allowed to set the padding / margin + * etc for the scrolling header elements or not. Typically you will want + * this. + * @type boolean + * @default true + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bScrollAutoCss": false, + * "sScrollY": "200px" + * } ); + * } ); + */ + "bScrollAutoCss": true, + + + /** + * When vertical (y) scrolling is enabled, DataTables will force the height of + * the table's viewport to the given height at all times (useful for layout). + * However, this can look odd when filtering data down to a small data set, + * and the footer is left "floating" further down. This parameter (when + * enabled) will cause DataTables to collapse the table's viewport down when + * the result set will fit within the given Y height. + * @type boolean + * @default false + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sScrollY": "200", + * "bScrollCollapse": true + * } ); + * } ); + */ + "bScrollCollapse": false, + + + /** + * Enable infinite scrolling for DataTables (to be used in combination with + * sScrollY). Infinite scrolling means that DataTables will continually load + * data as a user scrolls through a table, which is very useful for large + * dataset. This cannot be used with pagination, which is automatically + * disabled. Note - the Scroller extra for DataTables is recommended in + * in preference to this option. + * @type boolean + * @default false + * @dtopt Features + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bScrollInfinite": true, + * "bScrollCollapse": true, + * "sScrollY": "200px" + * } ); + * } ); + */ + "bScrollInfinite": false, + + + /** + * Configure DataTables to use server-side processing. Note that the + * sAjaxSource parameter must also be given in order to give DataTables a + * source to obtain the required data for each draw. + * @type boolean + * @default false + * @dtopt Features + * @dtopt Server-side + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bServerSide": true, + * "sAjaxSource": "xhr.php" + * } ); + * } ); + */ + "bServerSide": false, + + + /** + * Enable or disable sorting of columns. Sorting of individual columns can be + * disabled by the "bSortable" option for each column. + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bSort": false + * } ); + * } ); + */ + "bSort": true, + + + /** + * Allows control over whether DataTables should use the top (true) unique + * cell that is found for a single column, or the bottom (false - default). + * This is useful when using complex headers. + * @type boolean + * @default false + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bSortCellsTop": true + * } ); + * } ); + */ + "bSortCellsTop": false, + + + /** + * Enable or disable the addition of the classes 'sorting_1', 'sorting_2' and + * 'sorting_3' to the columns which are currently being sorted on. This is + * presented as a feature switch as it can increase processing time (while + * classes are removed and added) so for large data sets you might want to + * turn this off. + * @type boolean + * @default true + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bSortClasses": false + * } ); + * } ); + */ + "bSortClasses": true, + + + /** + * Enable or disable state saving. When enabled a cookie will be used to save + * table display information such as pagination information, display length, + * filtering and sorting. As such when the end user reloads the page the + * display display will match what thy had previously set up. + * @type boolean + * @default false + * @dtopt Features + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "bStateSave": true + * } ); + * } ); + */ + "bStateSave": false, + + + /** + * Customise the cookie and / or the parameters being stored when using + * DataTables with state saving enabled. This function is called whenever + * the cookie is modified, and it expects a fully formed cookie string to be + * returned. Note that the data object passed in is a Javascript object which + * must be converted to a string (JSON.stringify for example). + * @type function + * @param {string} sName Name of the cookie defined by DataTables + * @param {object} oData Data to be stored in the cookie + * @param {string} sExpires Cookie expires string + * @param {string} sPath Path of the cookie to set + * @returns {string} Cookie formatted string (which should be encoded by + * using encodeURIComponent()) + * @dtopt Callbacks + * + * @example + * $(document).ready( function () { + * $('#example').dataTable( { + * "fnCookieCallback": function (sName, oData, sExpires, sPath) { + * // Customise oData or sName or whatever else here + * return sName + "="+JSON.stringify(oData)+"; expires=" + sExpires +"; path=" + sPath; + * } + * } ); + * } ); + */ + "fnCookieCallback": null, + + + /** + * This function is called when a TR element is created (and all TD child + * elements have been inserted), or registered if using a DOM source, allowing + * manipulation of the TR element (adding classes etc). + * @type function + * @param {node} nRow "TR" element for the current row + * @param {array} aData Raw data array for this row + * @param {int} iDataIndex The index of this row in aoData + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnCreatedRow": function( nRow, aData, iDataIndex ) { + * // Bold the grade for all 'A' grade browsers + * if ( aData[4] == "A" ) + * { + * $('td:eq(4)', nRow).html( '<b>A</b>' ); + * } + * } + * } ); + * } ); + */ + "fnCreatedRow": null, + + + /** + * This function is called on every 'draw' event, and allows you to + * dynamically modify any aspect you want about the created DOM. + * @type function + * @param {object} oSettings DataTables settings object + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnDrawCallback": function( oSettings ) { + * alert( 'DataTables has redrawn the table' ); + * } + * } ); + * } ); + */ + "fnDrawCallback": null, + + + /** + * Identical to fnHeaderCallback() but for the table footer this function + * allows you to modify the table footer on every 'draw' even. + * @type function + * @param {node} nFoot "TR" element for the footer + * @param {array} aData Full table data (as derived from the original HTML) + * @param {int} iStart Index for the current display starting point in the + * display array + * @param {int} iEnd Index for the current display ending point in the + * display array + * @param {array int} aiDisplay Index array to translate the visual position + * to the full data array + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnFooterCallback": function( nFoot, aData, iStart, iEnd, aiDisplay ) { + * nFoot.getElementsByTagName('th')[0].innerHTML = "Starting index is "+iStart; + * } + * } ); + * } ) + */ + "fnFooterCallback": null, + + + /** + * When rendering large numbers in the information element for the table + * (i.e. "Showing 1 to 10 of 57 entries") DataTables will render large numbers + * to have a comma separator for the 'thousands' units (e.g. 1 million is + * rendered as "1,000,000") to help readability for the end user. This + * function will override the default method DataTables uses. + * @type function + * @member + * @param {int} iIn number to be formatted + * @returns {string} formatted string for DataTables to show the number + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnFormatNumber": function ( iIn ) { + * if ( iIn < 1000 ) { + * return iIn; + * } else { + * var + * s=(iIn+""), + * a=s.split(""), out="", + * iLen=s.length; + * + * for ( var i=0 ; i<iLen ; i++ ) { + * if ( i%3 === 0 && i !== 0 ) { + * out = "'"+out; + * } + * out = a[iLen-i-1]+out; + * } + * } + * return out; + * }; + * } ); + * } ); + */ + "fnFormatNumber": function ( iIn ) { + if ( iIn < 1000 ) + { + // A small optimisation for what is likely to be the majority of use cases + return iIn; + } + + var s=(iIn+""), a=s.split(""), out="", iLen=s.length; + + for ( var i=0 ; i<iLen ; i++ ) + { + if ( i%3 === 0 && i !== 0 ) + { + out = this.oLanguage.sInfoThousands+out; + } + out = a[iLen-i-1]+out; + } + return out; + }, + + + /** + * This function is called on every 'draw' event, and allows you to + * dynamically modify the header row. This can be used to calculate and + * display useful information about the table. + * @type function + * @param {node} nHead "TR" element for the header + * @param {array} aData Full table data (as derived from the original HTML) + * @param {int} iStart Index for the current display starting point in the + * display array + * @param {int} iEnd Index for the current display ending point in the + * display array + * @param {array int} aiDisplay Index array to translate the visual position + * to the full data array + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnHeaderCallback": function( nHead, aData, iStart, iEnd, aiDisplay ) { + * nHead.getElementsByTagName('th')[0].innerHTML = "Displaying "+(iEnd-iStart)+" records"; + * } + * } ); + * } ) + */ + "fnHeaderCallback": null, + + + /** + * The information element can be used to convey information about the current + * state of the table. Although the internationalisation options presented by + * DataTables are quite capable of dealing with most customisations, there may + * be times where you wish to customise the string further. This callback + * allows you to do exactly that. + * @type function + * @param {object} oSettings DataTables settings object + * @param {int} iStart Starting position in data for the draw + * @param {int} iEnd End position in data for the draw + * @param {int} iMax Total number of rows in the table (regardless of + * filtering) + * @param {int} iTotal Total number of rows in the data set, after filtering + * @param {string} sPre The string that DataTables has formatted using it's + * own rules + * @returns {string} The string to be displayed in the information element. + * @dtopt Callbacks + * + * @example + * $('#example').dataTable( { + * "fnInfoCallback": function( oSettings, iStart, iEnd, iMax, iTotal, sPre ) { + * return iStart +" to "+ iEnd; + * } + * } ); + */ + "fnInfoCallback": null, + + + /** + * Called when the table has been initialised. Normally DataTables will + * initialise sequentially and there will be no need for this function, + * however, this does not hold true when using external language information + * since that is obtained using an async XHR call. + * @type function + * @param {object} oSettings DataTables settings object + * @param {object} json The JSON object request from the server - only + * present if client-side Ajax sourced data is used + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnInitComplete": function(oSettings, json) { + * alert( 'DataTables has finished its initialisation.' ); + * } + * } ); + * } ) + */ + "fnInitComplete": null, + + + /** + * Called at the very start of each table draw and can be used to cancel the + * draw by returning false, any other return (including undefined) results in + * the full draw occurring). + * @type function + * @param {object} oSettings DataTables settings object + * @returns {boolean} False will cancel the draw, anything else (including no + * return) will allow it to complete. + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnPreDrawCallback": function( oSettings ) { + * if ( $('#test').val() == 1 ) { + * return false; + * } + * } + * } ); + * } ); + */ + "fnPreDrawCallback": null, + + + /** + * This function allows you to 'post process' each row after it have been + * generated for each table draw, but before it is rendered on screen. This + * function might be used for setting the row class name etc. + * @type function + * @param {node} nRow "TR" element for the current row + * @param {array} aData Raw data array for this row + * @param {int} iDisplayIndex The display index for the current table draw + * @param {int} iDisplayIndexFull The index of the data in the full list of + * rows (after filtering) + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "fnRowCallback": function( nRow, aData, iDisplayIndex, iDisplayIndexFull ) { + * // Bold the grade for all 'A' grade browsers + * if ( aData[4] == "A" ) + * { + * $('td:eq(4)', nRow).html( '<b>A</b>' ); + * } + * } + * } ); + * } ); + */ + "fnRowCallback": null, + + + /** + * This parameter allows you to override the default function which obtains + * the data from the server ($.getJSON) so something more suitable for your + * application. For example you could use POST data, or pull information from + * a Gears or AIR database. + * @type function + * @member + * @param {string} sSource HTTP source to obtain the data from (sAjaxSource) + * @param {array} aoData A key/value pair object containing the data to send + * to the server + * @param {function} fnCallback to be called on completion of the data get + * process that will draw the data on the page. + * @param {object} oSettings DataTables settings object + * @dtopt Callbacks + * @dtopt Server-side + * + * @example + * // POST data to server + * $(document).ready( function() { + * $('#example').dataTable( { + * "bProcessing": true, + * "bServerSide": true, + * "sAjaxSource": "xhr.php", + * "fnServerData": function ( sSource, aoData, fnCallback, oSettings ) { + * oSettings.jqXHR = $.ajax( { + * "dataType": 'json', + * "type": "POST", + * "url": sSource, + * "data": aoData, + * "success": fnCallback + * } ); + * } + * } ); + * } ); + */ + "fnServerData": function ( sUrl, aoData, fnCallback, oSettings ) { + oSettings.jqXHR = $.ajax( { + "url": sUrl, + "data": aoData, + "success": function (json) { + if ( json.sError ) { + oSettings.oApi._fnLog( oSettings, 0, json.sError ); + } + + $(oSettings.oInstance).trigger('xhr', [oSettings, json]); + fnCallback( json ); + }, + "dataType": "json", + "cache": false, + "type": oSettings.sServerMethod, + "error": function (xhr, error, thrown) { + if ( error == "parsererror" ) { + oSettings.oApi._fnLog( oSettings, 0, "DataTables warning: JSON data from "+ + "server could not be parsed. This is caused by a JSON formatting error." ); + } + } + } ); + }, + + + /** + * It is often useful to send extra data to the server when making an Ajax + * request - for example custom filtering information, and this callback + * function makes it trivial to send extra information to the server. The + * passed in parameter is the data set that has been constructed by + * DataTables, and you can add to this or modify it as you require. + * @type function + * @param {array} aoData Data array (array of objects which are name/value + * pairs) that has been constructed by DataTables and will be sent to the + * server. In the case of Ajax sourced data with server-side processing + * this will be an empty array, for server-side processing there will be a + * significant number of parameters! + * @returns {undefined} Ensure that you modify the aoData array passed in, + * as this is passed by reference. + * @dtopt Callbacks + * @dtopt Server-side + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bProcessing": true, + * "bServerSide": true, + * "sAjaxSource": "scripts/server_processing.php", + * "fnServerParams": function ( aoData ) { + * aoData.push( { "name": "more_data", "value": "my_value" } ); + * } + * } ); + * } ); + */ + "fnServerParams": null, + + + /** + * Load the table state. With this function you can define from where, and how, the + * state of a table is loaded. By default DataTables will load from its state saving + * cookie, but you might wish to use local storage (HTML5) or a server-side database. + * @type function + * @member + * @param {object} oSettings DataTables settings object + * @return {object} The DataTables state object to be loaded + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bStateSave": true, + * "fnStateLoad": function (oSettings) { + * var o; + * + * // Send an Ajax request to the server to get the data. Note that + * // this is a synchronous request. + * $.ajax( { + * "url": "/state_load", + * "async": false, + * "dataType": "json", + * "success": function (json) { + * o = json; + * } + * } ); + * + * return o; + * } + * } ); + * } ); + */ + "fnStateLoad": function ( oSettings ) { + var sData = this.oApi._fnReadCookie( oSettings.sCookiePrefix+oSettings.sInstance ); + var oData; + + try { + oData = (typeof $.parseJSON === 'function') ? + $.parseJSON(sData) : eval( '('+sData+')' ); + } catch (e) { + oData = null; + } + + return oData; + }, + + + /** + * Callback which allows modification of the saved state prior to loading that state. + * This callback is called when the table is loading state from the stored data, but + * prior to the settings object being modified by the saved state. Note that for + * plug-in authors, you should use the 'stateLoadParams' event to load parameters for + * a plug-in. + * @type function + * @param {object} oSettings DataTables settings object + * @param {object} oData The state object that is to be loaded + * @dtopt Callbacks + * + * @example + * // Remove a saved filter, so filtering is never loaded + * $(document).ready( function() { + * $('#example').dataTable( { + * "bStateSave": true, + * "fnStateLoadParams": function (oSettings, oData) { + * oData.oSearch.sSearch = ""; + * } + * } ); + * } ); + * + * @example + * // Disallow state loading by returning false + * $(document).ready( function() { + * $('#example').dataTable( { + * "bStateSave": true, + * "fnStateLoadParams": function (oSettings, oData) { + * return false; + * } + * } ); + * } ); + */ + "fnStateLoadParams": null, + + + /** + * Callback that is called when the state has been loaded from the state saving method + * and the DataTables settings object has been modified as a result of the loaded state. + * @type function + * @param {object} oSettings DataTables settings object + * @param {object} oData The state object that was loaded + * @dtopt Callbacks + * + * @example + * // Show an alert with the filtering value that was saved + * $(document).ready( function() { + * $('#example').dataTable( { + * "bStateSave": true, + * "fnStateLoaded": function (oSettings, oData) { + * alert( 'Saved filter was: '+oData.oSearch.sSearch ); + * } + * } ); + * } ); + */ + "fnStateLoaded": null, + + + /** + * Save the table state. This function allows you to define where and how the state + * information for the table is stored - by default it will use a cookie, but you + * might want to use local storage (HTML5) or a server-side database. + * @type function + * @member + * @param {object} oSettings DataTables settings object + * @param {object} oData The state object to be saved + * @dtopt Callbacks + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bStateSave": true, + * "fnStateSave": function (oSettings, oData) { + * // Send an Ajax request to the server with the state object + * $.ajax( { + * "url": "/state_save", + * "data": oData, + * "dataType": "json", + * "method": "POST" + * "success": function () {} + * } ); + * } + * } ); + * } ); + */ + "fnStateSave": function ( oSettings, oData ) { + this.oApi._fnCreateCookie( + oSettings.sCookiePrefix+oSettings.sInstance, + this.oApi._fnJsonString(oData), + oSettings.iCookieDuration, + oSettings.sCookiePrefix, + oSettings.fnCookieCallback + ); + }, + + + /** + * Callback which allows modification of the state to be saved. Called when the table + * has changed state a new state save is required. This method allows modification of + * the state saving object prior to actually doing the save, including addition or + * other state properties or modification. Note that for plug-in authors, you should + * use the 'stateSaveParams' event to save parameters for a plug-in. + * @type function + * @param {object} oSettings DataTables settings object + * @param {object} oData The state object to be saved + * @dtopt Callbacks + * + * @example + * // Remove a saved filter, so filtering is never saved + * $(document).ready( function() { + * $('#example').dataTable( { + * "bStateSave": true, + * "fnStateSaveParams": function (oSettings, oData) { + * oData.oSearch.sSearch = ""; + * } + * } ); + * } ); + */ + "fnStateSaveParams": null, + + + /** + * Duration of the cookie which is used for storing session information. This + * value is given in seconds. + * @type int + * @default 7200 <i>(2 hours)</i> + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "iCookieDuration": 60*60*24; // 1 day + * } ); + * } ) + */ + "iCookieDuration": 7200, + + + /** + * When enabled DataTables will not make a request to the server for the first + * page draw - rather it will use the data already on the page (no sorting etc + * will be applied to it), thus saving on an XHR at load time. iDeferLoading + * is used to indicate that deferred loading is required, but it is also used + * to tell DataTables how many records there are in the full table (allowing + * the information element and pagination to be displayed correctly). In the case + * where a filtering is applied to the table on initial load, this can be + * indicated by giving the parameter as an array, where the first element is + * the number of records available after filtering and the second element is the + * number of records without filtering (allowing the table information element + * to be shown correctly). + * @type int | array + * @default null + * @dtopt Options + * + * @example + * // 57 records available in the table, no filtering applied + * $(document).ready( function() { + * $('#example').dataTable( { + * "bServerSide": true, + * "sAjaxSource": "scripts/server_processing.php", + * "iDeferLoading": 57 + * } ); + * } ); + * + * @example + * // 57 records after filtering, 100 without filtering (an initial filter applied) + * $(document).ready( function() { + * $('#example').dataTable( { + * "bServerSide": true, + * "sAjaxSource": "scripts/server_processing.php", + * "iDeferLoading": [ 57, 100 ], + * "oSearch": { + * "sSearch": "my_filter" + * } + * } ); + * } ); + */ + "iDeferLoading": null, + + + /** + * Number of rows to display on a single page when using pagination. If + * feature enabled (bLengthChange) then the end user will be able to override + * this to a custom setting using a pop-up menu. + * @type int + * @default 10 + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "iDisplayLength": 50 + * } ); + * } ) + */ + "iDisplayLength": 10, + + + /** + * Define the starting point for data display when using DataTables with + * pagination. Note that this parameter is the number of records, rather than + * the page number, so if you have 10 records per page and want to start on + * the third page, it should be "20". + * @type int + * @default 0 + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "iDisplayStart": 20 + * } ); + * } ) + */ + "iDisplayStart": 0, + + + /** + * The scroll gap is the amount of scrolling that is left to go before + * DataTables will load the next 'page' of data automatically. You typically + * want a gap which is big enough that the scrolling will be smooth for the + * user, while not so large that it will load more data than need. + * @type int + * @default 100 + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bScrollInfinite": true, + * "bScrollCollapse": true, + * "sScrollY": "200px", + * "iScrollLoadGap": 50 + * } ); + * } ); + */ + "iScrollLoadGap": 100, + + + /** + * By default DataTables allows keyboard navigation of the table (sorting, paging, + * and filtering) by adding a tabindex attribute to the required elements. This + * allows you to tab through the controls and press the enter key to activate them. + * The tabindex is default 0, meaning that the tab follows the flow of the document. + * You can overrule this using this parameter if you wish. Use a value of -1 to + * disable built-in keyboard navigation. + * @type int + * @default 0 + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "iTabIndex": 1 + * } ); + * } ); + */ + "iTabIndex": 0, + + + /** + * All strings that DataTables uses in the user interface that it creates + * are defined in this object, allowing you to modified them individually or + * completely replace them all as required. + * @namespace + */ + "oLanguage": { + /** + * Strings that are used for WAI-ARIA labels and controls only (these are not + * actually visible on the page, but will be read by screenreaders, and thus + * must be internationalised as well). + * @namespace + */ + "oAria": { + /** + * ARIA label that is added to the table headers when the column may be + * sorted ascending by activing the column (click or return when focused). + * Note that the column header is prefixed to this string. + * @type string + * @default : activate to sort column ascending + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "oAria": { + * "sSortAscending": " - click/return to sort ascending" + * } + * } + * } ); + * } ); + */ + "sSortAscending": ": activate to sort column ascending", + + /** + * ARIA label that is added to the table headers when the column may be + * sorted descending by activing the column (click or return when focused). + * Note that the column header is prefixed to this string. + * @type string + * @default : activate to sort column ascending + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "oAria": { + * "sSortDescending": " - click/return to sort descending" + * } + * } + * } ); + * } ); + */ + "sSortDescending": ": activate to sort column descending" + }, + + /** + * Pagination string used by DataTables for the two built-in pagination + * control types ("two_button" and "full_numbers") + * @namespace + */ + "oPaginate": { + /** + * Text to use when using the 'full_numbers' type of pagination for the + * button to take the user to the first page. + * @type string + * @default First + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "oPaginate": { + * "sFirst": "First page" + * } + * } + * } ); + * } ); + */ + "sFirst": "First", + + + /** + * Text to use when using the 'full_numbers' type of pagination for the + * button to take the user to the last page. + * @type string + * @default Last + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "oPaginate": { + * "sLast": "Last page" + * } + * } + * } ); + * } ); + */ + "sLast": "Last", + + + /** + * Text to use for the 'next' pagination button (to take the user to the + * next page). + * @type string + * @default Next + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "oPaginate": { + * "sNext": "Next page" + * } + * } + * } ); + * } ); + */ + "sNext": "Next", + + + /** + * Text to use for the 'previous' pagination button (to take the user to + * the previous page). + * @type string + * @default Previous + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "oPaginate": { + * "sPrevious": "Previous page" + * } + * } + * } ); + * } ); + */ + "sPrevious": "Previous" + }, + + /** + * This string is shown in preference to sZeroRecords when the table is + * empty of data (regardless of filtering). Note that this is an optional + * parameter - if it is not given, the value of sZeroRecords will be used + * instead (either the default or given value). + * @type string + * @default No data available in table + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sEmptyTable": "No data available in table" + * } + * } ); + * } ); + */ + "sEmptyTable": "No data available in table", + + + /** + * This string gives information to the end user about the information that + * is current on display on the page. The _START_, _END_ and _TOTAL_ + * variables are all dynamically replaced as the table display updates, and + * can be freely moved or removed as the language requirements change. + * @type string + * @default Showing _START_ to _END_ of _TOTAL_ entries + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sInfo": "Got a total of _TOTAL_ entries to show (_START_ to _END_)" + * } + * } ); + * } ); + */ + "sInfo": "Showing _START_ to _END_ of _TOTAL_ entries", + + + /** + * Display information string for when the table is empty. Typically the + * format of this string should match sInfo. + * @type string + * @default Showing 0 to 0 of 0 entries + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sInfoEmpty": "No entries to show" + * } + * } ); + * } ); + */ + "sInfoEmpty": "Showing 0 to 0 of 0 entries", + + + /** + * When a user filters the information in a table, this string is appended + * to the information (sInfo) to give an idea of how strong the filtering + * is. The variable _MAX_ is dynamically updated. + * @type string + * @default (filtered from _MAX_ total entries) + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sInfoFiltered": " - filtering from _MAX_ records" + * } + * } ); + * } ); + */ + "sInfoFiltered": "(filtered from _MAX_ total entries)", + + + /** + * If can be useful to append extra information to the info string at times, + * and this variable does exactly that. This information will be appended to + * the sInfo (sInfoEmpty and sInfoFiltered in whatever combination they are + * being used) at all times. + * @type string + * @default <i>Empty string</i> + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sInfoPostFix": "All records shown are derived from real information." + * } + * } ); + * } ); + */ + "sInfoPostFix": "", + + + /** + * DataTables has a build in number formatter (fnFormatNumber) which is used + * to format large numbers that are used in the table information. By + * default a comma is used, but this can be trivially changed to any + * character you wish with this parameter. + * @type string + * @default , + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sInfoThousands": "'" + * } + * } ); + * } ); + */ + "sInfoThousands": ",", + + + /** + * Detail the action that will be taken when the drop down menu for the + * pagination length option is changed. The '_MENU_' variable is replaced + * with a default select list of 10, 25, 50 and 100, and can be replaced + * with a custom select box if required. + * @type string + * @default Show _MENU_ entries + * @dtopt Language + * + * @example + * // Language change only + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sLengthMenu": "Display _MENU_ records" + * } + * } ); + * } ); + * + * @example + * // Language and options change + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sLengthMenu": 'Display <select>'+ + * '<option value="10">10</option>'+ + * '<option value="20">20</option>'+ + * '<option value="30">30</option>'+ + * '<option value="40">40</option>'+ + * '<option value="50">50</option>'+ + * '<option value="-1">All</option>'+ + * '</select> records' + * } + * } ); + * } ); + */ + "sLengthMenu": "Show _MENU_ entries", + + + /** + * When using Ajax sourced data and during the first draw when DataTables is + * gathering the data, this message is shown in an empty row in the table to + * indicate to the end user the the data is being loaded. Note that this + * parameter is not used when loading data by server-side processing, just + * Ajax sourced data with client-side processing. + * @type string + * @default Loading... + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sLoadingRecords": "Please wait - loading..." + * } + * } ); + * } ); + */ + "sLoadingRecords": "Loading...", + + + /** + * Text which is displayed when the table is processing a user action + * (usually a sort command or similar). + * @type string + * @default Processing... + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sProcessing": "DataTables is currently busy" + * } + * } ); + * } ); + */ + "sProcessing": "Processing...", + + + /** + * Details the actions that will be taken when the user types into the + * filtering input text box. The variable "_INPUT_", if used in the string, + * is replaced with the HTML text box for the filtering input allowing + * control over where it appears in the string. If "_INPUT_" is not given + * then the input box is appended to the string automatically. + * @type string + * @default Search: + * @dtopt Language + * + * @example + * // Input text box will be appended at the end automatically + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sSearch": "Filter records:" + * } + * } ); + * } ); + * + * @example + * // Specify where the filter should appear + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sSearch": "Apply filter _INPUT_ to table" + * } + * } ); + * } ); + */ + "sSearch": "Search:", + + + /** + * All of the language information can be stored in a file on the + * server-side, which DataTables will look up if this parameter is passed. + * It must store the URL of the language file, which is in a JSON format, + * and the object has the same properties as the oLanguage object in the + * initialiser object (i.e. the above parameters). Please refer to one of + * the example language files to see how this works in action. + * @type string + * @default <i>Empty string - i.e. disabled</i> + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sUrl": "http://www.sprymedia.co.uk/dataTables/lang.txt" + * } + * } ); + * } ); + */ + "sUrl": "", + + + /** + * Text shown inside the table records when the is no information to be + * displayed after filtering. sEmptyTable is shown when there is simply no + * information in the table at all (regardless of filtering). + * @type string + * @default No matching records found + * @dtopt Language + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oLanguage": { + * "sZeroRecords": "No records to display" + * } + * } ); + * } ); + */ + "sZeroRecords": "No matching records found" + }, + + + /** + * This parameter allows you to have define the global filtering state at + * initialisation time. As an object the "sSearch" parameter must be + * defined, but all other parameters are optional. When "bRegex" is true, + * the search string will be treated as a regular expression, when false + * (default) it will be treated as a straight string. When "bSmart" + * DataTables will use it's smart filtering methods (to word match at + * any point in the data), when false this will not be done. + * @namespace + * @extends DataTable.models.oSearch + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "oSearch": {"sSearch": "Initial search"} + * } ); + * } ) + */ + "oSearch": $.extend( {}, DataTable.models.oSearch ), + + + /** + * By default DataTables will look for the property 'aaData' when obtaining + * data from an Ajax source or for server-side processing - this parameter + * allows that property to be changed. You can use Javascript dotted object + * notation to get a data source for multiple levels of nesting. + * @type string + * @default aaData + * @dtopt Options + * @dtopt Server-side + * + * @example + * // Get data from { "data": [...] } + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "sAjaxSource": "sources/data.txt", + * "sAjaxDataProp": "data" + * } ); + * } ); + * + * @example + * // Get data from { "data": { "inner": [...] } } + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "sAjaxSource": "sources/data.txt", + * "sAjaxDataProp": "data.inner" + * } ); + * } ); + */ + "sAjaxDataProp": "aaData", + + + /** + * You can instruct DataTables to load data from an external source using this + * parameter (use aData if you want to pass data in you already have). Simply + * provide a url a JSON object can be obtained from. This object must include + * the parameter 'aaData' which is the data source for the table. + * @type string + * @default null + * @dtopt Options + * @dtopt Server-side + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sAjaxSource": "http://www.sprymedia.co.uk/dataTables/json.php" + * } ); + * } ) + */ + "sAjaxSource": null, + + + /** + * This parameter can be used to override the default prefix that DataTables + * assigns to a cookie when state saving is enabled. + * @type string + * @default SpryMedia_DataTables_ + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sCookiePrefix": "my_datatable_", + * } ); + * } ); + */ + "sCookiePrefix": "SpryMedia_DataTables_", + + + /** + * This initialisation variable allows you to specify exactly where in the + * DOM you want DataTables to inject the various controls it adds to the page + * (for example you might want the pagination controls at the top of the + * table). DIV elements (with or without a custom class) can also be added to + * aid styling. The follow syntax is used: + * <ul> + * <li>The following options are allowed: + * <ul> + * <li>'l' - Length changing</li + * <li>'f' - Filtering input</li> + * <li>'t' - The table!</li> + * <li>'i' - Information</li> + * <li>'p' - Pagination</li> + * <li>'r' - pRocessing</li> + * </ul> + * </li> + * <li>The following constants are allowed: + * <ul> + * <li>'H' - jQueryUI theme "header" classes ('fg-toolbar ui-widget-header ui-corner-tl ui-corner-tr ui-helper-clearfix')</li> + * <li>'F' - jQueryUI theme "footer" classes ('fg-toolbar ui-widget-header ui-corner-bl ui-corner-br ui-helper-clearfix')</li> + * </ul> + * </li> + * <li>The following syntax is expected: + * <ul> + * <li>'<' and '>' - div elements</li> + * <li>'<"class" and '>' - div with a class</li> + * <li>'<"#id" and '>' - div with an ID</li> + * </ul> + * </li> + * <li>Examples: + * <ul> + * <li>'<"wrapper"flipt>'</li> + * <li>'<lf<t>ip>'</li> + * </ul> + * </li> + * </ul> + * @type string + * @default lfrtip <i>(when bJQueryUI is false)</i> <b>or</b> + * <"H"lfr>t<"F"ip> <i>(when bJQueryUI is true)</i> + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sDom": '<"top"i>rt<"bottom"flp><"clear">' + * } ); + * } ); + */ + "sDom": "lfrtip", + + + /** + * DataTables features two different built-in pagination interaction methods + * ('two_button' or 'full_numbers') which present different page controls to + * the end user. Further methods can be added using the API (see below). + * @type string + * @default two_button + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sPaginationType": "full_numbers" + * } ); + * } ) + */ + "sPaginationType": "two_button", + + + /** + * Enable horizontal scrolling. When a table is too wide to fit into a certain + * layout, or you have a large number of columns in the table, you can enable + * x-scrolling to show the table in a viewport, which can be scrolled. This + * property can be any CSS unit, or a number (in which case it will be treated + * as a pixel measurement). + * @type string + * @default <i>blank string - i.e. disabled</i> + * @dtopt Features + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sScrollX": "100%", + * "bScrollCollapse": true + * } ); + * } ); + */ + "sScrollX": "", + + + /** + * This property can be used to force a DataTable to use more width than it + * might otherwise do when x-scrolling is enabled. For example if you have a + * table which requires to be well spaced, this parameter is useful for + * "over-sizing" the table, and thus forcing scrolling. This property can by + * any CSS unit, or a number (in which case it will be treated as a pixel + * measurement). + * @type string + * @default <i>blank string - i.e. disabled</i> + * @dtopt Options + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sScrollX": "100%", + * "sScrollXInner": "110%" + * } ); + * } ); + */ + "sScrollXInner": "", + + + /** + * Enable vertical scrolling. Vertical scrolling will constrain the DataTable + * to the given height, and enable scrolling for any data which overflows the + * current viewport. This can be used as an alternative to paging to display + * a lot of data in a small area (although paging and scrolling can both be + * enabled at the same time). This property can be any CSS unit, or a number + * (in which case it will be treated as a pixel measurement). + * @type string + * @default <i>blank string - i.e. disabled</i> + * @dtopt Features + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "sScrollY": "200px", + * "bPaginate": false + * } ); + * } ); + */ + "sScrollY": "", + + + /** + * Set the HTTP method that is used to make the Ajax call for server-side + * processing or Ajax sourced data. + * @type string + * @default GET + * @dtopt Options + * @dtopt Server-side + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "bServerSide": true, + * "sAjaxSource": "scripts/post.php", + * "sServerMethod": "POST" + * } ); + * } ); + */ + "sServerMethod": "GET" + }; + + + + /** + * Column options that can be given to DataTables at initialisation time. + * @namespace + */ + DataTable.defaults.columns = { + /** + * Allows a column's sorting to take multiple columns into account when + * doing a sort. For example first name / last name columns make sense to + * do a multi-column sort over the two columns. + * @type array + * @default null <i>Takes the value of the column index automatically</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "aDataSort": [ 0, 1 ], "aTargets": [ 0 ] }, + * { "aDataSort": [ 1, 0 ], "aTargets": [ 1 ] }, + * { "aDataSort": [ 2, 3, 4 ], "aTargets": [ 2 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "aDataSort": [ 0, 1 ] }, + * { "aDataSort": [ 1, 0 ] }, + * { "aDataSort": [ 2, 3, 4 ] }, + * null, + * null + * ] + * } ); + * } ); + */ + "aDataSort": null, + + + /** + * You can control the default sorting direction, and even alter the behaviour + * of the sort handler (i.e. only allow ascending sorting etc) using this + * parameter. + * @type array + * @default [ 'asc', 'desc' ] + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "asSorting": [ "asc" ], "aTargets": [ 1 ] }, + * { "asSorting": [ "desc", "asc", "asc" ], "aTargets": [ 2 ] }, + * { "asSorting": [ "desc" ], "aTargets": [ 3 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * null, + * { "asSorting": [ "asc" ] }, + * { "asSorting": [ "desc", "asc", "asc" ] }, + * { "asSorting": [ "desc" ] }, + * null + * ] + * } ); + * } ); + */ + "asSorting": [ 'asc', 'desc' ], + + + /** + * Enable or disable filtering on the data in this column. + * @type boolean + * @default true + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "bSearchable": false, "aTargets": [ 0 ] } + * ] } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "bSearchable": false }, + * null, + * null, + * null, + * null + * ] } ); + * } ); + */ + "bSearchable": true, + + + /** + * Enable or disable sorting on this column. + * @type boolean + * @default true + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "bSortable": false, "aTargets": [ 0 ] } + * ] } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "bSortable": false }, + * null, + * null, + * null, + * null + * ] } ); + * } ); + */ + "bSortable": true, + + + /** + * <code>Deprecated</code> When using fnRender() for a column, you may wish + * to use the original data (before rendering) for sorting and filtering + * (the default is to used the rendered data that the user can see). This + * may be useful for dates etc. + * + * Please note that this option has now been deprecated and will be removed + * in the next version of DataTables. Please use mRender / mData rather than + * fnRender. + * @type boolean + * @default true + * @dtopt Columns + * @deprecated + */ + "bUseRendered": true, + + + /** + * Enable or disable the display of this column. + * @type boolean + * @default true + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "bVisible": false, "aTargets": [ 0 ] } + * ] } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "bVisible": false }, + * null, + * null, + * null, + * null + * ] } ); + * } ); + */ + "bVisible": true, + + + /** + * Developer definable function that is called whenever a cell is created (Ajax source, + * etc) or processed for input (DOM source). This can be used as a compliment to mRender + * allowing you to modify the DOM element (add background colour for example) when the + * element is available. + * @type function + * @param {element} nTd The TD node that has been created + * @param {*} sData The Data for the cell + * @param {array|object} oData The data for the whole row + * @param {int} iRow The row index for the aoData data store + * @param {int} iCol The column index for aoColumns + * @dtopt Columns + * + * @example + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ { + * "aTargets": [3], + * "fnCreatedCell": function (nTd, sData, oData, iRow, iCol) { + * if ( sData == "1.7" ) { + * $(nTd).css('color', 'blue') + * } + * } + * } ] + * }); + * } ); + */ + "fnCreatedCell": null, + + + /** + * <code>Deprecated</code> Custom display function that will be called for the + * display of each cell in this column. + * + * Please note that this option has now been deprecated and will be removed + * in the next version of DataTables. Please use mRender / mData rather than + * fnRender. + * @type function + * @param {object} o Object with the following parameters: + * @param {int} o.iDataRow The row in aoData + * @param {int} o.iDataColumn The column in question + * @param {array} o.aData The data for the row in question + * @param {object} o.oSettings The settings object for this DataTables instance + * @param {object} o.mDataProp The data property used for this column + * @param {*} val The current cell value + * @returns {string} The string you which to use in the display + * @dtopt Columns + * @deprecated + */ + "fnRender": null, + + + /** + * The column index (starting from 0!) that you wish a sort to be performed + * upon when this column is selected for sorting. This can be used for sorting + * on hidden columns for example. + * @type int + * @default -1 <i>Use automatically calculated column index</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "iDataSort": 1, "aTargets": [ 0 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "iDataSort": 1 }, + * null, + * null, + * null, + * null + * ] + * } ); + * } ); + */ + "iDataSort": -1, + + + /** + * This parameter has been replaced by mData in DataTables to ensure naming + * consistency. mDataProp can still be used, as there is backwards compatibility + * in DataTables for this option, but it is strongly recommended that you use + * mData in preference to mDataProp. + * @name DataTable.defaults.columns.mDataProp + */ + + + /** + * This property can be used to read data from any JSON data source property, + * including deeply nested objects / properties. mData can be given in a + * number of different ways which effect its behaviour: + * <ul> + * <li>integer - treated as an array index for the data source. This is the + * default that DataTables uses (incrementally increased for each column).</li> + * <li>string - read an object property from the data source. Note that you can + * use Javascript dotted notation to read deep properties / arrays from the + * data source.</li> + * <li>null - the sDefaultContent option will be used for the cell (null + * by default, so you will need to specify the default content you want - + * typically an empty string). This can be useful on generated columns such + * as edit / delete action columns.</li> + * <li>function - the function given will be executed whenever DataTables + * needs to set or get the data for a cell in the column. The function + * takes three parameters: + * <ul> + * <li>{array|object} The data source for the row</li> + * <li>{string} The type call data requested - this will be 'set' when + * setting data or 'filter', 'display', 'type', 'sort' or undefined when + * gathering data. Note that when <i>undefined</i> is given for the type + * DataTables expects to get the raw data for the object back</li> + * <li>{*} Data to set when the second parameter is 'set'.</li> + * </ul> + * The return value from the function is not required when 'set' is the type + * of call, but otherwise the return is what will be used for the data + * requested.</li> + * </ul> + * + * Note that prior to DataTables 1.9.2 mData was called mDataProp. The name change + * reflects the flexibility of this property and is consistent with the naming of + * mRender. If 'mDataProp' is given, then it will still be used by DataTables, as + * it automatically maps the old name to the new if required. + * @type string|int|function|null + * @default null <i>Use automatically calculated column index</i> + * @dtopt Columns + * + * @example + * // Read table data from objects + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "sAjaxSource": "sources/deep.txt", + * "aoColumns": [ + * { "mData": "engine" }, + * { "mData": "browser" }, + * { "mData": "platform.inner" }, + * { "mData": "platform.details.0" }, + * { "mData": "platform.details.1" } + * ] + * } ); + * } ); + * + * @example + * // Using mData as a function to provide different information for + * // sorting, filtering and display. In this case, currency (price) + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "aoColumnDefs": [ { + * "aTargets": [ 0 ], + * "mData": function ( source, type, val ) { + * if (type === 'set') { + * source.price = val; + * // Store the computed dislay and filter values for efficiency + * source.price_display = val=="" ? "" : "$"+numberFormat(val); + * source.price_filter = val=="" ? "" : "$"+numberFormat(val)+" "+val; + * return; + * } + * else if (type === 'display') { + * return source.price_display; + * } + * else if (type === 'filter') { + * return source.price_filter; + * } + * // 'sort', 'type' and undefined all just use the integer + * return source.price; + * } + * } ] + * } ); + * } ); + */ + "mData": null, + + + /** + * This property is the rendering partner to mData and it is suggested that + * when you want to manipulate data for display (including filtering, sorting etc) + * but not altering the underlying data for the table, use this property. mData + * can actually do everything this property can and more, but this parameter is + * easier to use since there is no 'set' option. Like mData is can be given + * in a number of different ways to effect its behaviour, with the addition of + * supporting array syntax for easy outputting of arrays (including arrays of + * objects): + * <ul> + * <li>integer - treated as an array index for the data source. This is the + * default that DataTables uses (incrementally increased for each column).</li> + * <li>string - read an object property from the data source. Note that you can + * use Javascript dotted notation to read deep properties / arrays from the + * data source and also array brackets to indicate that the data reader should + * loop over the data source array. When characters are given between the array + * brackets, these characters are used to join the data source array together. + * For example: "accounts[, ].name" would result in a comma separated list with + * the 'name' value from the 'accounts' array of objects.</li> + * <li>function - the function given will be executed whenever DataTables + * needs to set or get the data for a cell in the column. The function + * takes three parameters: + * <ul> + * <li>{array|object} The data source for the row (based on mData)</li> + * <li>{string} The type call data requested - this will be 'filter', 'display', + * 'type' or 'sort'.</li> + * <li>{array|object} The full data source for the row (not based on mData)</li> + * </ul> + * The return value from the function is what will be used for the data + * requested.</li> + * </ul> + * @type string|int|function|null + * @default null <i>Use mData</i> + * @dtopt Columns + * + * @example + * // Create a comma separated list from an array of objects + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "sAjaxSource": "sources/deep.txt", + * "aoColumns": [ + * { "mData": "engine" }, + * { "mData": "browser" }, + * { + * "mData": "platform", + * "mRender": "[, ].name" + * } + * ] + * } ); + * } ); + * + * @example + * // Use as a function to create a link from the data source + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "aoColumnDefs": [ + * { + * "aTargets": [ 0 ], + * "mData": "download_link", + * "mRender": function ( data, type, full ) { + * return '<a href="'+data+'">Download</a>'; + * } + * ] + * } ); + * } ); + */ + "mRender": null, + + + /** + * Change the cell type created for the column - either TD cells or TH cells. This + * can be useful as TH cells have semantic meaning in the table body, allowing them + * to act as a header for a row (you may wish to add scope='row' to the TH elements). + * @type string + * @default td + * @dtopt Columns + * + * @example + * // Make the first column use TH cells + * $(document).ready( function() { + * var oTable = $('#example').dataTable( { + * "aoColumnDefs": [ { + * "aTargets": [ 0 ], + * "sCellType": "th" + * } ] + * } ); + * } ); + */ + "sCellType": "td", + + + /** + * Class to give to each cell in this column. + * @type string + * @default <i>Empty string</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "sClass": "my_class", "aTargets": [ 0 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "sClass": "my_class" }, + * null, + * null, + * null, + * null + * ] + * } ); + * } ); + */ + "sClass": "", + + /** + * When DataTables calculates the column widths to assign to each column, + * it finds the longest string in each column and then constructs a + * temporary table and reads the widths from that. The problem with this + * is that "mmm" is much wider then "iiii", but the latter is a longer + * string - thus the calculation can go wrong (doing it properly and putting + * it into an DOM object and measuring that is horribly(!) slow). Thus as + * a "work around" we provide this option. It will append its value to the + * text that is found to be the longest string for the column - i.e. padding. + * Generally you shouldn't need this, and it is not documented on the + * general DataTables.net documentation + * @type string + * @default <i>Empty string<i> + * @dtopt Columns + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * null, + * null, + * null, + * { + * "sContentPadding": "mmm" + * } + * ] + * } ); + * } ); + */ + "sContentPadding": "", + + + /** + * Allows a default value to be given for a column's data, and will be used + * whenever a null data source is encountered (this can be because mData + * is set to null, or because the data source itself is null). + * @type string + * @default null + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { + * "mData": null, + * "sDefaultContent": "Edit", + * "aTargets": [ -1 ] + * } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * null, + * null, + * null, + * { + * "mData": null, + * "sDefaultContent": "Edit" + * } + * ] + * } ); + * } ); + */ + "sDefaultContent": null, + + + /** + * This parameter is only used in DataTables' server-side processing. It can + * be exceptionally useful to know what columns are being displayed on the + * client side, and to map these to database fields. When defined, the names + * also allow DataTables to reorder information from the server if it comes + * back in an unexpected order (i.e. if you switch your columns around on the + * client-side, your server-side code does not also need updating). + * @type string + * @default <i>Empty string</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "sName": "engine", "aTargets": [ 0 ] }, + * { "sName": "browser", "aTargets": [ 1 ] }, + * { "sName": "platform", "aTargets": [ 2 ] }, + * { "sName": "version", "aTargets": [ 3 ] }, + * { "sName": "grade", "aTargets": [ 4 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "sName": "engine" }, + * { "sName": "browser" }, + * { "sName": "platform" }, + * { "sName": "version" }, + * { "sName": "grade" } + * ] + * } ); + * } ); + */ + "sName": "", + + + /** + * Defines a data source type for the sorting which can be used to read + * real-time information from the table (updating the internally cached + * version) prior to sorting. This allows sorting to occur on user editable + * elements such as form inputs. + * @type string + * @default std + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "sSortDataType": "dom-text", "aTargets": [ 2, 3 ] }, + * { "sType": "numeric", "aTargets": [ 3 ] }, + * { "sSortDataType": "dom-select", "aTargets": [ 4 ] }, + * { "sSortDataType": "dom-checkbox", "aTargets": [ 5 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * null, + * null, + * { "sSortDataType": "dom-text" }, + * { "sSortDataType": "dom-text", "sType": "numeric" }, + * { "sSortDataType": "dom-select" }, + * { "sSortDataType": "dom-checkbox" } + * ] + * } ); + * } ); + */ + "sSortDataType": "std", + + + /** + * The title of this column. + * @type string + * @default null <i>Derived from the 'TH' value for this column in the + * original HTML table.</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "sTitle": "My column title", "aTargets": [ 0 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "sTitle": "My column title" }, + * null, + * null, + * null, + * null + * ] + * } ); + * } ); + */ + "sTitle": null, + + + /** + * The type allows you to specify how the data for this column will be sorted. + * Four types (string, numeric, date and html (which will strip HTML tags + * before sorting)) are currently available. Note that only date formats + * understood by Javascript's Date() object will be accepted as type date. For + * example: "Mar 26, 2008 5:03 PM". May take the values: 'string', 'numeric', + * 'date' or 'html' (by default). Further types can be adding through + * plug-ins. + * @type string + * @default null <i>Auto-detected from raw data</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "sType": "html", "aTargets": [ 0 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "sType": "html" }, + * null, + * null, + * null, + * null + * ] + * } ); + * } ); + */ + "sType": null, + + + /** + * Defining the width of the column, this parameter may take any CSS value + * (3em, 20px etc). DataTables apples 'smart' widths to columns which have not + * been given a specific width through this interface ensuring that the table + * remains readable. + * @type string + * @default null <i>Automatic</i> + * @dtopt Columns + * + * @example + * // Using aoColumnDefs + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumnDefs": [ + * { "sWidth": "20%", "aTargets": [ 0 ] } + * ] + * } ); + * } ); + * + * @example + * // Using aoColumns + * $(document).ready( function() { + * $('#example').dataTable( { + * "aoColumns": [ + * { "sWidth": "20%" }, + * null, + * null, + * null, + * null + * ] + * } ); + * } ); + */ + "sWidth": null + }; + + + + /** + * DataTables settings object - this holds all the information needed for a + * given table, including configuration, data and current application of the + * table options. DataTables does not have a single instance for each DataTable + * with the settings attached to that instance, but rather instances of the + * DataTable "class" are created on-the-fly as needed (typically by a + * $().dataTable() call) and the settings object is then applied to that + * instance. + * + * Note that this object is related to {@link DataTable.defaults} but this + * one is the internal data store for DataTables's cache of columns. It should + * NOT be manipulated outside of DataTables. Any configuration should be done + * through the initialisation options. + * @namespace + * @todo Really should attach the settings object to individual instances so we + * don't need to create new instances on each $().dataTable() call (if the + * table already exists). It would also save passing oSettings around and + * into every single function. However, this is a very significant + * architecture change for DataTables and will almost certainly break + * backwards compatibility with older installations. This is something that + * will be done in 2.0. + */ + DataTable.models.oSettings = { + /** + * Primary features of DataTables and their enablement state. + * @namespace + */ + "oFeatures": { + + /** + * Flag to say if DataTables should automatically try to calculate the + * optimum table and columns widths (true) or not (false). + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bAutoWidth": null, + + /** + * Delay the creation of TR and TD elements until they are actually + * needed by a driven page draw. This can give a significant speed + * increase for Ajax source and Javascript source data, but makes no + * difference at all fro DOM and server-side processing tables. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bDeferRender": null, + + /** + * Enable filtering on the table or not. Note that if this is disabled + * then there is no filtering at all on the table, including fnFilter. + * To just remove the filtering input use sDom and remove the 'f' option. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bFilter": null, + + /** + * Table information element (the 'Showing x of y records' div) enable + * flag. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bInfo": null, + + /** + * Present a user control allowing the end user to change the page size + * when pagination is enabled. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bLengthChange": null, + + /** + * Pagination enabled or not. Note that if this is disabled then length + * changing must also be disabled. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bPaginate": null, + + /** + * Processing indicator enable flag whenever DataTables is enacting a + * user request - typically an Ajax request for server-side processing. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bProcessing": null, + + /** + * Server-side processing enabled flag - when enabled DataTables will + * get all data from the server for every draw - there is no filtering, + * sorting or paging done on the client-side. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bServerSide": null, + + /** + * Sorting enablement flag. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bSort": null, + + /** + * Apply a class to the columns which are being sorted to provide a + * visual highlight or not. This can slow things down when enabled since + * there is a lot of DOM interaction. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bSortClasses": null, + + /** + * State saving enablement flag. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bStateSave": null + }, + + + /** + * Scrolling settings for a table. + * @namespace + */ + "oScroll": { + /** + * Indicate if DataTables should be allowed to set the padding / margin + * etc for the scrolling header elements or not. Typically you will want + * this. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bAutoCss": null, + + /** + * When the table is shorter in height than sScrollY, collapse the + * table container down to the height of the table (when true). + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bCollapse": null, + + /** + * Infinite scrolling enablement flag. Now deprecated in favour of + * using the Scroller plug-in. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bInfinite": null, + + /** + * Width of the scrollbar for the web-browser's platform. Calculated + * during table initialisation. + * @type int + * @default 0 + */ + "iBarWidth": 0, + + /** + * Space (in pixels) between the bottom of the scrolling container and + * the bottom of the scrolling viewport before the next page is loaded + * when using infinite scrolling. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type int + */ + "iLoadGap": null, + + /** + * Viewport width for horizontal scrolling. Horizontal scrolling is + * disabled if an empty string. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + */ + "sX": null, + + /** + * Width to expand the table to when using x-scrolling. Typically you + * should not need to use this. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + * @deprecated + */ + "sXInner": null, + + /** + * Viewport height for vertical scrolling. Vertical scrolling is disabled + * if an empty string. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + */ + "sY": null + }, + + /** + * Language information for the table. + * @namespace + * @extends DataTable.defaults.oLanguage + */ + "oLanguage": { + /** + * Information callback function. See + * {@link DataTable.defaults.fnInfoCallback} + * @type function + * @default null + */ + "fnInfoCallback": null + }, + + /** + * Browser support parameters + * @namespace + */ + "oBrowser": { + /** + * Indicate if the browser incorrectly calculates width:100% inside a + * scrolling element (IE6/7) + * @type boolean + * @default false + */ + "bScrollOversize": false + }, + + /** + * Array referencing the nodes which are used for the features. The + * parameters of this object match what is allowed by sDom - i.e. + * <ul> + * <li>'l' - Length changing</li> + * <li>'f' - Filtering input</li> + * <li>'t' - The table!</li> + * <li>'i' - Information</li> + * <li>'p' - Pagination</li> + * <li>'r' - pRocessing</li> + * </ul> + * @type array + * @default [] + */ + "aanFeatures": [], + + /** + * Store data information - see {@link DataTable.models.oRow} for detailed + * information. + * @type array + * @default [] + */ + "aoData": [], + + /** + * Array of indexes which are in the current display (after filtering etc) + * @type array + * @default [] + */ + "aiDisplay": [], + + /** + * Array of indexes for display - no filtering + * @type array + * @default [] + */ + "aiDisplayMaster": [], + + /** + * Store information about each column that is in use + * @type array + * @default [] + */ + "aoColumns": [], + + /** + * Store information about the table's header + * @type array + * @default [] + */ + "aoHeader": [], + + /** + * Store information about the table's footer + * @type array + * @default [] + */ + "aoFooter": [], + + /** + * Search data array for regular expression searching + * @type array + * @default [] + */ + "asDataSearch": [], + + /** + * Store the applied global search information in case we want to force a + * research or compare the old search to a new one. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @namespace + * @extends DataTable.models.oSearch + */ + "oPreviousSearch": {}, + + /** + * Store the applied search for each column - see + * {@link DataTable.models.oSearch} for the format that is used for the + * filtering information for each column. + * @type array + * @default [] + */ + "aoPreSearchCols": [], + + /** + * Sorting that is applied to the table. Note that the inner arrays are + * used in the following manner: + * <ul> + * <li>Index 0 - column number</li> + * <li>Index 1 - current sorting direction</li> + * <li>Index 2 - index of asSorting for this column</li> + * </ul> + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type array + * @todo These inner arrays should really be objects + */ + "aaSorting": null, + + /** + * Sorting that is always applied to the table (i.e. prefixed in front of + * aaSorting). + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type array|null + * @default null + */ + "aaSortingFixed": null, + + /** + * Classes to use for the striping of a table. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type array + * @default [] + */ + "asStripeClasses": null, + + /** + * If restoring a table - we should restore its striping classes as well + * @type array + * @default [] + */ + "asDestroyStripes": [], + + /** + * If restoring a table - we should restore its width + * @type int + * @default 0 + */ + "sDestroyWidth": 0, + + /** + * Callback functions array for every time a row is inserted (i.e. on a draw). + * @type array + * @default [] + */ + "aoRowCallback": [], + + /** + * Callback functions for the header on each draw. + * @type array + * @default [] + */ + "aoHeaderCallback": [], + + /** + * Callback function for the footer on each draw. + * @type array + * @default [] + */ + "aoFooterCallback": [], + + /** + * Array of callback functions for draw callback functions + * @type array + * @default [] + */ + "aoDrawCallback": [], + + /** + * Array of callback functions for row created function + * @type array + * @default [] + */ + "aoRowCreatedCallback": [], + + /** + * Callback functions for just before the table is redrawn. A return of + * false will be used to cancel the draw. + * @type array + * @default [] + */ + "aoPreDrawCallback": [], + + /** + * Callback functions for when the table has been initialised. + * @type array + * @default [] + */ + "aoInitComplete": [], + + + /** + * Callbacks for modifying the settings to be stored for state saving, prior to + * saving state. + * @type array + * @default [] + */ + "aoStateSaveParams": [], + + /** + * Callbacks for modifying the settings that have been stored for state saving + * prior to using the stored values to restore the state. + * @type array + * @default [] + */ + "aoStateLoadParams": [], + + /** + * Callbacks for operating on the settings object once the saved state has been + * loaded + * @type array + * @default [] + */ + "aoStateLoaded": [], + + /** + * Cache the table ID for quick access + * @type string + * @default <i>Empty string</i> + */ + "sTableId": "", + + /** + * The TABLE node for the main table + * @type node + * @default null + */ + "nTable": null, + + /** + * Permanent ref to the thead element + * @type node + * @default null + */ + "nTHead": null, + + /** + * Permanent ref to the tfoot element - if it exists + * @type node + * @default null + */ + "nTFoot": null, + + /** + * Permanent ref to the tbody element + * @type node + * @default null + */ + "nTBody": null, + + /** + * Cache the wrapper node (contains all DataTables controlled elements) + * @type node + * @default null + */ + "nTableWrapper": null, + + /** + * Indicate if when using server-side processing the loading of data + * should be deferred until the second draw. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + * @default false + */ + "bDeferLoading": false, + + /** + * Indicate if all required information has been read in + * @type boolean + * @default false + */ + "bInitialised": false, + + /** + * Information about open rows. Each object in the array has the parameters + * 'nTr' and 'nParent' + * @type array + * @default [] + */ + "aoOpenRows": [], + + /** + * Dictate the positioning of DataTables' control elements - see + * {@link DataTable.model.oInit.sDom}. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + * @default null + */ + "sDom": null, + + /** + * Which type of pagination should be used. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + * @default two_button + */ + "sPaginationType": "two_button", + + /** + * The cookie duration (for bStateSave) in seconds. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type int + * @default 0 + */ + "iCookieDuration": 0, + + /** + * The cookie name prefix. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + * @default <i>Empty string</i> + */ + "sCookiePrefix": "", + + /** + * Callback function for cookie creation. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type function + * @default null + */ + "fnCookieCallback": null, + + /** + * Array of callback functions for state saving. Each array element is an + * object with the following parameters: + * <ul> + * <li>function:fn - function to call. Takes two parameters, oSettings + * and the JSON string to save that has been thus far created. Returns + * a JSON string to be inserted into a json object + * (i.e. '"param": [ 0, 1, 2]')</li> + * <li>string:sName - name of callback</li> + * </ul> + * @type array + * @default [] + */ + "aoStateSave": [], + + /** + * Array of callback functions for state loading. Each array element is an + * object with the following parameters: + * <ul> + * <li>function:fn - function to call. Takes two parameters, oSettings + * and the object stored. May return false to cancel state loading</li> + * <li>string:sName - name of callback</li> + * </ul> + * @type array + * @default [] + */ + "aoStateLoad": [], + + /** + * State that was loaded from the cookie. Useful for back reference + * @type object + * @default null + */ + "oLoadedState": null, + + /** + * Source url for AJAX data for the table. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + * @default null + */ + "sAjaxSource": null, + + /** + * Property from a given object from which to read the table data from. This + * can be an empty string (when not server-side processing), in which case + * it is assumed an an array is given directly. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + */ + "sAjaxDataProp": null, + + /** + * Note if draw should be blocked while getting data + * @type boolean + * @default true + */ + "bAjaxDataGet": true, + + /** + * The last jQuery XHR object that was used for server-side data gathering. + * This can be used for working with the XHR information in one of the + * callbacks + * @type object + * @default null + */ + "jqXHR": null, + + /** + * Function to get the server-side data. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type function + */ + "fnServerData": null, + + /** + * Functions which are called prior to sending an Ajax request so extra + * parameters can easily be sent to the server + * @type array + * @default [] + */ + "aoServerParams": [], + + /** + * Send the XHR HTTP method - GET or POST (could be PUT or DELETE if + * required). + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type string + */ + "sServerMethod": null, + + /** + * Format numbers for display. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type function + */ + "fnFormatNumber": null, + + /** + * List of options that can be used for the user selectable length menu. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type array + * @default [] + */ + "aLengthMenu": null, + + /** + * Counter for the draws that the table does. Also used as a tracker for + * server-side processing + * @type int + * @default 0 + */ + "iDraw": 0, + + /** + * Indicate if a redraw is being done - useful for Ajax + * @type boolean + * @default false + */ + "bDrawing": false, + + /** + * Draw index (iDraw) of the last error when parsing the returned data + * @type int + * @default -1 + */ + "iDrawError": -1, + + /** + * Paging display length + * @type int + * @default 10 + */ + "_iDisplayLength": 10, + + /** + * Paging start point - aiDisplay index + * @type int + * @default 0 + */ + "_iDisplayStart": 0, + + /** + * Paging end point - aiDisplay index. Use fnDisplayEnd rather than + * this property to get the end point + * @type int + * @default 10 + * @private + */ + "_iDisplayEnd": 10, + + /** + * Server-side processing - number of records in the result set + * (i.e. before filtering), Use fnRecordsTotal rather than + * this property to get the value of the number of records, regardless of + * the server-side processing setting. + * @type int + * @default 0 + * @private + */ + "_iRecordsTotal": 0, + + /** + * Server-side processing - number of records in the current display set + * (i.e. after filtering). Use fnRecordsDisplay rather than + * this property to get the value of the number of records, regardless of + * the server-side processing setting. + * @type boolean + * @default 0 + * @private + */ + "_iRecordsDisplay": 0, + + /** + * Flag to indicate if jQuery UI marking and classes should be used. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bJUI": null, + + /** + * The classes to use for the table + * @type object + * @default {} + */ + "oClasses": {}, + + /** + * Flag attached to the settings object so you can check in the draw + * callback if filtering has been done in the draw. Deprecated in favour of + * events. + * @type boolean + * @default false + * @deprecated + */ + "bFiltered": false, + + /** + * Flag attached to the settings object so you can check in the draw + * callback if sorting has been done in the draw. Deprecated in favour of + * events. + * @type boolean + * @default false + * @deprecated + */ + "bSorted": false, + + /** + * Indicate that if multiple rows are in the header and there is more than + * one unique cell per column, if the top one (true) or bottom one (false) + * should be used for sorting / title by DataTables. + * Note that this parameter will be set by the initialisation routine. To + * set a default use {@link DataTable.defaults}. + * @type boolean + */ + "bSortCellsTop": null, + + /** + * Initialisation object that is used for the table + * @type object + * @default null + */ + "oInit": null, + + /** + * Destroy callback functions - for plug-ins to attach themselves to the + * destroy so they can clean up markup and events. + * @type array + * @default [] + */ + "aoDestroyCallback": [], + + + /** + * Get the number of records in the current record set, before filtering + * @type function + */ + "fnRecordsTotal": function () + { + if ( this.oFeatures.bServerSide ) { + return parseInt(this._iRecordsTotal, 10); + } else { + return this.aiDisplayMaster.length; + } + }, + + /** + * Get the number of records in the current record set, after filtering + * @type function + */ + "fnRecordsDisplay": function () + { + if ( this.oFeatures.bServerSide ) { + return parseInt(this._iRecordsDisplay, 10); + } else { + return this.aiDisplay.length; + } + }, + + /** + * Set the display end point - aiDisplay index + * @type function + * @todo Should do away with _iDisplayEnd and calculate it on-the-fly here + */ + "fnDisplayEnd": function () + { + if ( this.oFeatures.bServerSide ) { + if ( this.oFeatures.bPaginate === false || this._iDisplayLength == -1 ) { + return this._iDisplayStart+this.aiDisplay.length; + } else { + return Math.min( this._iDisplayStart+this._iDisplayLength, + this._iRecordsDisplay ); + } + } else { + return this._iDisplayEnd; + } + }, + + /** + * The DataTables object for this table + * @type object + * @default null + */ + "oInstance": null, + + /** + * Unique identifier for each instance of the DataTables object. If there + * is an ID on the table node, then it takes that value, otherwise an + * incrementing internal counter is used. + * @type string + * @default null + */ + "sInstance": null, + + /** + * tabindex attribute value that is added to DataTables control elements, allowing + * keyboard navigation of the table and its controls. + */ + "iTabIndex": 0, + + /** + * DIV container for the footer scrolling table if scrolling + */ + "nScrollHead": null, + + /** + * DIV container for the footer scrolling table if scrolling + */ + "nScrollFoot": null + }; + + /** + * Extension object for DataTables that is used to provide all extension options. + * + * Note that the <i>DataTable.ext</i> object is available through + * <i>jQuery.fn.dataTable.ext</i> where it may be accessed and manipulated. It is + * also aliased to <i>jQuery.fn.dataTableExt</i> for historic reasons. + * @namespace + * @extends DataTable.models.ext + */ + DataTable.ext = $.extend( true, {}, DataTable.models.ext ); + + $.extend( DataTable.ext.oStdClasses, { + "sTable": "dataTable", + + /* Two buttons buttons */ + "sPagePrevEnabled": "paginate_enabled_previous", + "sPagePrevDisabled": "paginate_disabled_previous", + "sPageNextEnabled": "paginate_enabled_next", + "sPageNextDisabled": "paginate_disabled_next", + "sPageJUINext": "", + "sPageJUIPrev": "", + + /* Full numbers paging buttons */ + "sPageButton": "paginate_button", + "sPageButtonActive": "paginate_active", + "sPageButtonStaticDisabled": "paginate_button paginate_button_disabled", + "sPageFirst": "first", + "sPagePrevious": "previous", + "sPageNext": "next", + "sPageLast": "last", + + /* Striping classes */ + "sStripeOdd": "odd", + "sStripeEven": "even", + + /* Empty row */ + "sRowEmpty": "dataTables_empty", + + /* Features */ + "sWrapper": "dataTables_wrapper", + "sFilter": "dataTables_filter", + "sInfo": "dataTables_info", + "sPaging": "dataTables_paginate paging_", /* Note that the type is postfixed */ + "sLength": "dataTables_length", + "sProcessing": "dataTables_processing", + + /* Sorting */ + "sSortAsc": "sorting_asc", + "sSortDesc": "sorting_desc", + "sSortable": "sorting", /* Sortable in both directions */ + "sSortableAsc": "sorting_asc_disabled", + "sSortableDesc": "sorting_desc_disabled", + "sSortableNone": "sorting_disabled", + "sSortColumn": "sorting_", /* Note that an int is postfixed for the sorting order */ + "sSortJUIAsc": "", + "sSortJUIDesc": "", + "sSortJUI": "", + "sSortJUIAscAllowed": "", + "sSortJUIDescAllowed": "", + "sSortJUIWrapper": "", + "sSortIcon": "", + + /* Scrolling */ + "sScrollWrapper": "dataTables_scroll", + "sScrollHead": "dataTables_scrollHead", + "sScrollHeadInner": "dataTables_scrollHeadInner", + "sScrollBody": "dataTables_scrollBody", + "sScrollFoot": "dataTables_scrollFoot", + "sScrollFootInner": "dataTables_scrollFootInner", + + /* Misc */ + "sFooterTH": "", + "sJUIHeader": "", + "sJUIFooter": "" + } ); + + + $.extend( DataTable.ext.oJUIClasses, DataTable.ext.oStdClasses, { + /* Two buttons buttons */ + "sPagePrevEnabled": "fg-button ui-button ui-state-default ui-corner-left", + "sPagePrevDisabled": "fg-button ui-button ui-state-default ui-corner-left ui-state-disabled", + "sPageNextEnabled": "fg-button ui-button ui-state-default ui-corner-right", + "sPageNextDisabled": "fg-button ui-button ui-state-default ui-corner-right ui-state-disabled", + "sPageJUINext": "ui-icon ui-icon-circle-arrow-e", + "sPageJUIPrev": "ui-icon ui-icon-circle-arrow-w", + + /* Full numbers paging buttons */ + "sPageButton": "fg-button ui-button ui-state-default", + "sPageButtonActive": "fg-button ui-button ui-state-default ui-state-disabled", + "sPageButtonStaticDisabled": "fg-button ui-button ui-state-default ui-state-disabled", + "sPageFirst": "first ui-corner-tl ui-corner-bl", + "sPageLast": "last ui-corner-tr ui-corner-br", + + /* Features */ + "sPaging": "dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi "+ + "ui-buttonset-multi paging_", /* Note that the type is postfixed */ + + /* Sorting */ + "sSortAsc": "ui-state-default", + "sSortDesc": "ui-state-default", + "sSortable": "ui-state-default", + "sSortableAsc": "ui-state-default", + "sSortableDesc": "ui-state-default", + "sSortableNone": "ui-state-default", + "sSortJUIAsc": "css_right ui-icon ui-icon-triangle-1-n", + "sSortJUIDesc": "css_right ui-icon ui-icon-triangle-1-s", + "sSortJUI": "css_right ui-icon ui-icon-carat-2-n-s", + "sSortJUIAscAllowed": "css_right ui-icon ui-icon-carat-1-n", + "sSortJUIDescAllowed": "css_right ui-icon ui-icon-carat-1-s", + "sSortJUIWrapper": "DataTables_sort_wrapper", + "sSortIcon": "DataTables_sort_icon", + + /* Scrolling */ + "sScrollHead": "dataTables_scrollHead ui-state-default", + "sScrollFoot": "dataTables_scrollFoot ui-state-default", + + /* Misc */ + "sFooterTH": "ui-state-default", + "sJUIHeader": "fg-toolbar ui-toolbar ui-widget-header ui-corner-tl ui-corner-tr ui-helper-clearfix", + "sJUIFooter": "fg-toolbar ui-toolbar ui-widget-header ui-corner-bl ui-corner-br ui-helper-clearfix" + } ); + + /* + * Variable: oPagination + * Purpose: + * Scope: jQuery.fn.dataTableExt + */ + $.extend( DataTable.ext.oPagination, { + /* + * Variable: two_button + * Purpose: Standard two button (forward/back) pagination + * Scope: jQuery.fn.dataTableExt.oPagination + */ + "two_button": { + /* + * Function: oPagination.two_button.fnInit + * Purpose: Initialise dom elements required for pagination with forward/back buttons only + * Returns: - + * Inputs: object:oSettings - dataTables settings object + * node:nPaging - the DIV which contains this pagination control + * function:fnCallbackDraw - draw function which must be called on update + */ + "fnInit": function ( oSettings, nPaging, fnCallbackDraw ) + { + var oLang = oSettings.oLanguage.oPaginate; + var oClasses = oSettings.oClasses; + var fnClickHandler = function ( e ) { + if ( oSettings.oApi._fnPageChange( oSettings, e.data.action ) ) + { + fnCallbackDraw( oSettings ); + } + }; + + var sAppend = (!oSettings.bJUI) ? + '<a class="'+oSettings.oClasses.sPagePrevDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button">'+oLang.sPrevious+'</a>'+ + '<a class="'+oSettings.oClasses.sPageNextDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button">'+oLang.sNext+'</a>' + : + '<a class="'+oSettings.oClasses.sPagePrevDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button"><span class="'+oSettings.oClasses.sPageJUIPrev+'"></span></a>'+ + '<a class="'+oSettings.oClasses.sPageNextDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button"><span class="'+oSettings.oClasses.sPageJUINext+'"></span></a>'; + $(nPaging).append( sAppend ); + + var els = $('a', nPaging); + var nPrevious = els[0], + nNext = els[1]; + + oSettings.oApi._fnBindAction( nPrevious, {action: "previous"}, fnClickHandler ); + oSettings.oApi._fnBindAction( nNext, {action: "next"}, fnClickHandler ); + + /* ID the first elements only */ + if ( !oSettings.aanFeatures.p ) + { + nPaging.id = oSettings.sTableId+'_paginate'; + nPrevious.id = oSettings.sTableId+'_previous'; + nNext.id = oSettings.sTableId+'_next'; + + nPrevious.setAttribute('aria-controls', oSettings.sTableId); + nNext.setAttribute('aria-controls', oSettings.sTableId); + } + }, + + /* + * Function: oPagination.two_button.fnUpdate + * Purpose: Update the two button pagination at the end of the draw + * Returns: - + * Inputs: object:oSettings - dataTables settings object + * function:fnCallbackDraw - draw function to call on page change + */ + "fnUpdate": function ( oSettings, fnCallbackDraw ) + { + if ( !oSettings.aanFeatures.p ) + { + return; + } + + var oClasses = oSettings.oClasses; + var an = oSettings.aanFeatures.p; + var nNode; + + /* Loop over each instance of the pager */ + for ( var i=0, iLen=an.length ; i<iLen ; i++ ) + { + nNode = an[i].firstChild; + if ( nNode ) + { + /* Previous page */ + nNode.className = ( oSettings._iDisplayStart === 0 ) ? + oClasses.sPagePrevDisabled : oClasses.sPagePrevEnabled; + + /* Next page */ + nNode = nNode.nextSibling; + nNode.className = ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) ? + oClasses.sPageNextDisabled : oClasses.sPageNextEnabled; + } + } + } + }, + + + /* + * Variable: iFullNumbersShowPages + * Purpose: Change the number of pages which can be seen + * Scope: jQuery.fn.dataTableExt.oPagination + */ + "iFullNumbersShowPages": 5, + + /* + * Variable: full_numbers + * Purpose: Full numbers pagination + * Scope: jQuery.fn.dataTableExt.oPagination + */ + "full_numbers": { + /* + * Function: oPagination.full_numbers.fnInit + * Purpose: Initialise dom elements required for pagination with a list of the pages + * Returns: - + * Inputs: object:oSettings - dataTables settings object + * node:nPaging - the DIV which contains this pagination control + * function:fnCallbackDraw - draw function which must be called on update + */ + "fnInit": function ( oSettings, nPaging, fnCallbackDraw ) + { + var oLang = oSettings.oLanguage.oPaginate; + var oClasses = oSettings.oClasses; + var fnClickHandler = function ( e ) { + if ( oSettings.oApi._fnPageChange( oSettings, e.data.action ) ) + { + fnCallbackDraw( oSettings ); + } + }; + + $(nPaging).append( + '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageFirst+'">'+oLang.sFirst+'</a>'+ + '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPagePrevious+'">'+oLang.sPrevious+'</a>'+ + '<span></span>'+ + '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageNext+'">'+oLang.sNext+'</a>'+ + '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageLast+'">'+oLang.sLast+'</a>' + ); + var els = $('a', nPaging); + var nFirst = els[0], + nPrev = els[1], + nNext = els[2], + nLast = els[3]; + + oSettings.oApi._fnBindAction( nFirst, {action: "first"}, fnClickHandler ); + oSettings.oApi._fnBindAction( nPrev, {action: "previous"}, fnClickHandler ); + oSettings.oApi._fnBindAction( nNext, {action: "next"}, fnClickHandler ); + oSettings.oApi._fnBindAction( nLast, {action: "last"}, fnClickHandler ); + + /* ID the first elements only */ + if ( !oSettings.aanFeatures.p ) + { + nPaging.id = oSettings.sTableId+'_paginate'; + nFirst.id =oSettings.sTableId+'_first'; + nPrev.id =oSettings.sTableId+'_previous'; + nNext.id =oSettings.sTableId+'_next'; + nLast.id =oSettings.sTableId+'_last'; + } + }, + + /* + * Function: oPagination.full_numbers.fnUpdate + * Purpose: Update the list of page buttons shows + * Returns: - + * Inputs: object:oSettings - dataTables settings object + * function:fnCallbackDraw - draw function to call on page change + */ + "fnUpdate": function ( oSettings, fnCallbackDraw ) + { + if ( !oSettings.aanFeatures.p ) + { + return; + } + + var iPageCount = DataTable.ext.oPagination.iFullNumbersShowPages; + var iPageCountHalf = Math.floor(iPageCount / 2); + var iPages = Math.ceil((oSettings.fnRecordsDisplay()) / oSettings._iDisplayLength); + var iCurrentPage = Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength) + 1; + var sList = ""; + var iStartButton, iEndButton, i, iLen; + var oClasses = oSettings.oClasses; + var anButtons, anStatic, nPaginateList, nNode; + var an = oSettings.aanFeatures.p; + var fnBind = function (j) { + oSettings.oApi._fnBindAction( this, {"page": j+iStartButton-1}, function(e) { + /* Use the information in the element to jump to the required page */ + oSettings.oApi._fnPageChange( oSettings, e.data.page ); + fnCallbackDraw( oSettings ); + e.preventDefault(); + } ); + }; + + /* Pages calculation */ + if ( oSettings._iDisplayLength === -1 ) + { + iStartButton = 1; + iEndButton = 1; + iCurrentPage = 1; + } + else if (iPages < iPageCount) + { + iStartButton = 1; + iEndButton = iPages; + } + else if (iCurrentPage <= iPageCountHalf) + { + iStartButton = 1; + iEndButton = iPageCount; + } + else if (iCurrentPage >= (iPages - iPageCountHalf)) + { + iStartButton = iPages - iPageCount + 1; + iEndButton = iPages; + } + else + { + iStartButton = iCurrentPage - Math.ceil(iPageCount / 2) + 1; + iEndButton = iStartButton + iPageCount - 1; + } + + + /* Build the dynamic list */ + for ( i=iStartButton ; i<=iEndButton ; i++ ) + { + sList += (iCurrentPage !== i) ? + '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+'">'+oSettings.fnFormatNumber(i)+'</a>' : + '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButtonActive+'">'+oSettings.fnFormatNumber(i)+'</a>'; + } + + /* Loop over each instance of the pager */ + for ( i=0, iLen=an.length ; i<iLen ; i++ ) + { + nNode = an[i]; + if ( !nNode.hasChildNodes() ) + { + continue; + } + + /* Build up the dynamic list first - html and listeners */ + $('span:eq(0)', nNode) + .html( sList ) + .children('a').each( fnBind ); + + /* Update the permanent button's classes */ + anButtons = nNode.getElementsByTagName('a'); + anStatic = [ + anButtons[0], anButtons[1], + anButtons[anButtons.length-2], anButtons[anButtons.length-1] + ]; + + $(anStatic).removeClass( oClasses.sPageButton+" "+oClasses.sPageButtonActive+" "+oClasses.sPageButtonStaticDisabled ); + $([anStatic[0], anStatic[1]]).addClass( + (iCurrentPage==1) ? + oClasses.sPageButtonStaticDisabled : + oClasses.sPageButton + ); + $([anStatic[2], anStatic[3]]).addClass( + (iPages===0 || iCurrentPage===iPages || oSettings._iDisplayLength===-1) ? + oClasses.sPageButtonStaticDisabled : + oClasses.sPageButton + ); + } + } + } + } ); + + $.extend( DataTable.ext.oSort, { + /* + * text sorting + */ + "string-pre": function ( a ) + { + if ( typeof a != 'string' ) { + a = (a !== null && a.toString) ? a.toString() : ''; + } + return a.toLowerCase(); + }, + + "string-asc": function ( x, y ) + { + return ((x < y) ? -1 : ((x > y) ? 1 : 0)); + }, + + "string-desc": function ( x, y ) + { + return ((x < y) ? 1 : ((x > y) ? -1 : 0)); + }, + + + /* + * html sorting (ignore html tags) + */ + "html-pre": function ( a ) + { + return a.replace( /<.*?>/g, "" ).toLowerCase(); + }, + + "html-asc": function ( x, y ) + { + return ((x < y) ? -1 : ((x > y) ? 1 : 0)); + }, + + "html-desc": function ( x, y ) + { + return ((x < y) ? 1 : ((x > y) ? -1 : 0)); + }, + + + /* + * date sorting + */ + "date-pre": function ( a ) + { + var x = Date.parse( a ); + + if ( isNaN(x) || x==="" ) + { + x = Date.parse( "01/01/1970 00:00:00" ); + } + return x; + }, + + "date-asc": function ( x, y ) + { + return x - y; + }, + + "date-desc": function ( x, y ) + { + return y - x; + }, + + + /* + * numerical sorting + */ + "numeric-pre": function ( a ) + { + return (a=="-" || a==="") ? 0 : a*1; + }, + + "numeric-asc": function ( x, y ) + { + return x - y; + }, + + "numeric-desc": function ( x, y ) + { + return y - x; + } + } ); + + + $.extend( DataTable.ext.aTypes, [ + /* + * Function: - + * Purpose: Check to see if a string is numeric + * Returns: string:'numeric' or null + * Inputs: mixed:sText - string to check + */ + function ( sData ) + { + /* Allow zero length strings as a number */ + if ( typeof sData === 'number' ) + { + return 'numeric'; + } + else if ( typeof sData !== 'string' ) + { + return null; + } + + var sValidFirstChars = "0123456789-"; + var sValidChars = "0123456789."; + var Char; + var bDecimal = false; + + /* Check for a valid first char (no period and allow negatives) */ + Char = sData.charAt(0); + if (sValidFirstChars.indexOf(Char) == -1) + { + return null; + } + + /* Check all the other characters are valid */ + for ( var i=1 ; i<sData.length ; i++ ) + { + Char = sData.charAt(i); + if (sValidChars.indexOf(Char) == -1) + { + return null; + } + + /* Only allowed one decimal place... */ + if ( Char == "." ) + { + if ( bDecimal ) + { + return null; + } + bDecimal = true; + } + } + + return 'numeric'; + }, + + /* + * Function: - + * Purpose: Check to see if a string is actually a formatted date + * Returns: string:'date' or null + * Inputs: string:sText - string to check + */ + function ( sData ) + { + var iParse = Date.parse(sData); + if ( (iParse !== null && !isNaN(iParse)) || (typeof sData === 'string' && sData.length === 0) ) + { + return 'date'; + } + return null; + }, + + /* + * Function: - + * Purpose: Check to see if a string should be treated as an HTML string + * Returns: string:'html' or null + * Inputs: string:sText - string to check + */ + function ( sData ) + { + if ( typeof sData === 'string' && sData.indexOf('<') != -1 && sData.indexOf('>') != -1 ) + { + return 'html'; + } + return null; + } + ] ); + + + // jQuery aliases + $.fn.DataTable = DataTable; + $.fn.dataTable = DataTable; + $.fn.dataTableSettings = DataTable.settings; + $.fn.dataTableExt = DataTable.ext; + + + // Information about events fired by DataTables - for documentation. + /** + * Draw event, fired whenever the table is redrawn on the page, at the same point as + * fnDrawCallback. This may be useful for binding events or performing calculations when + * the table is altered at all. + * @name DataTable#draw + * @event + * @param {event} e jQuery event object + * @param {object} o DataTables settings object {@link DataTable.models.oSettings} + */ + + /** + * Filter event, fired when the filtering applied to the table (using the build in global + * global filter, or column filters) is altered. + * @name DataTable#filter + * @event + * @param {event} e jQuery event object + * @param {object} o DataTables settings object {@link DataTable.models.oSettings} + */ + + /** + * Page change event, fired when the paging of the table is altered. + * @name DataTable#page + * @event + * @param {event} e jQuery event object + * @param {object} o DataTables settings object {@link DataTable.models.oSettings} + */ + + /** + * Sort event, fired when the sorting applied to the table is altered. + * @name DataTable#sort + * @event + * @param {event} e jQuery event object + * @param {object} o DataTables settings object {@link DataTable.models.oSettings} + */ + + /** + * DataTables initialisation complete event, fired when the table is fully drawn, + * including Ajax data loaded, if Ajax data is required. + * @name DataTable#init + * @event + * @param {event} e jQuery event object + * @param {object} oSettings DataTables settings object + * @param {object} json The JSON object request from the server - only + * present if client-side Ajax sourced data is used</li></ol> + */ + + /** + * State save event, fired when the table has changed state a new state save is required. + * This method allows modification of the state saving object prior to actually doing the + * save, including addition or other state properties (for plug-ins) or modification + * of a DataTables core property. + * @name DataTable#stateSaveParams + * @event + * @param {event} e jQuery event object + * @param {object} oSettings DataTables settings object + * @param {object} json The state information to be saved + */ + + /** + * State load event, fired when the table is loading state from the stored data, but + * prior to the settings object being modified by the saved state - allowing modification + * of the saved state is required or loading of state for a plug-in. + * @name DataTable#stateLoadParams + * @event + * @param {event} e jQuery event object + * @param {object} oSettings DataTables settings object + * @param {object} json The saved state information + */ + + /** + * State loaded event, fired when state has been loaded from stored data and the settings + * object has been modified by the loaded data. + * @name DataTable#stateLoaded + * @event + * @param {event} e jQuery event object + * @param {object} oSettings DataTables settings object + * @param {object} json The saved state information + */ + + /** + * Processing event, fired when DataTables is doing some kind of processing (be it, + * sort, filter or anything else). Can be used to indicate to the end user that + * there is something happening, or that something has finished. + * @name DataTable#processing + * @event + * @param {event} e jQuery event object + * @param {object} oSettings DataTables settings object + * @param {boolean} bShow Flag for if DataTables is doing processing or not + */ + + /** + * Ajax (XHR) event, fired whenever an Ajax request is completed from a request to + * made to the server for new data (note that this trigger is called in fnServerData, + * if you override fnServerData and which to use this event, you need to trigger it in + * you success function). + * @name DataTable#xhr + * @event + * @param {event} e jQuery event object + * @param {object} o DataTables settings object {@link DataTable.models.oSettings} + * @param {object} json JSON returned from the server + */ + + /** + * Destroy event, fired when the DataTable is destroyed by calling fnDestroy or passing + * the bDestroy:true parameter in the initialisation object. This can be used to remove + * bound events, added DOM nodes, etc. + * @name DataTable#destroy + * @event + * @param {event} e jQuery event object + * @param {object} o DataTables settings object {@link DataTable.models.oSettings} + */ +})); + +}(window, document)); + |