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authorrvelices <rv-github@modusoptimus.com>2012-10-12 20:32:30 +0000
committerrvelices <rv-github@modusoptimus.com>2012-10-12 20:32:30 +0000
commit97294dac5ac27b43cb6a116d2852578376efa58d (patch)
treea983e1fd5930a65d2c750278c84f768b59cc70c5 /themes/default/js/ui/jquery.ui.autocomplete.js
parent267c548896d1e16ace40b6c1cb4df5913ac0bfa4 (diff)
feature 2771: upgrade jquery from 1.7.2 to 1.8.2 and jquery.ui from 1.8.16 to 1.9.0
Attention plugins: jquery ui effect script ids change when using combine_script because file names changed ... git-svn-id: http://piwigo.org/svn/trunk@18630 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to '')
-rw-r--r--themes/default/js/ui/jquery.ui.autocomplete.js695
1 files changed, 342 insertions, 353 deletions
diff --git a/themes/default/js/ui/jquery.ui.autocomplete.js b/themes/default/js/ui/jquery.ui.autocomplete.js
index edf79767f..09256ac94 100644
--- a/themes/default/js/ui/jquery.ui.autocomplete.js
+++ b/themes/default/js/ui/jquery.ui.autocomplete.js
@@ -1,16 +1,18 @@
-/*
- * jQuery UI Autocomplete 1.8.16
+/*!
+ * jQuery UI Autocomplete 1.9.0
+ * http://jqueryui.com
*
- * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
- * Dual licensed under the MIT or GPL Version 2 licenses.
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
* http://jquery.org/license
*
- * http://docs.jquery.com/UI/Autocomplete
+ * http://api.jqueryui.com/autocomplete/
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
+ * jquery.ui.menu.js
*/
(function( $, undefined ) {
@@ -18,6 +20,8 @@
var requestIndex = 0;
$.widget( "ui.autocomplete", {
+ version: "1.9.0",
+ defaultElement: "<input>",
options: {
appendTo: "body",
autoFocus: false,
@@ -28,248 +32,338 @@ $.widget( "ui.autocomplete", {
at: "left bottom",
collision: "none"
},
- source: null
+ source: null,
+
+ // callbacks
+ change: null,
+ close: null,
+ focus: null,
+ open: null,
+ response: null,
+ search: null,
+ select: null
},
pending: 0,
_create: function() {
- var self = this,
- doc = this.element[ 0 ].ownerDocument,
- suppressKeyPress;
+ // Some browsers only repeat keydown events, not keypress events,
+ // so we use the suppressKeyPress flag to determine if we've already
+ // handled the keydown event. #7269
+ // Unfortunately the code for & in keypress is the same as the up arrow,
+ // so we use the suppressKeyPressRepeat flag to avoid handling keypress
+ // events when we know the keydown event was used to modify the
+ // search term. #7799
+ var suppressKeyPress, suppressKeyPressRepeat, suppressInput;
+
+ this.isMultiLine = this._isMultiLine();
+ this.valueMethod = this.element[ this.element.is( "input,textarea" ) ? "val" : "text" ];
+ this.isNewMenu = true;
this.element
.addClass( "ui-autocomplete-input" )
- .attr( "autocomplete", "off" )
- // TODO verify these actually work as intended
- .attr({
- role: "textbox",
- "aria-autocomplete": "list",
- "aria-haspopup": "true"
- })
- .bind( "keydown.autocomplete", function( event ) {
- if ( self.options.disabled || self.element.propAttr( "readOnly" ) ) {
+ .attr( "autocomplete", "off" );
+
+ this._on({
+ keydown: function( event ) {
+ if ( this.element.prop( "readOnly" ) ) {
+ suppressKeyPress = true;
+ suppressInput = true;
+ suppressKeyPressRepeat = true;
return;
}
suppressKeyPress = false;
+ suppressInput = false;
+ suppressKeyPressRepeat = false;
var keyCode = $.ui.keyCode;
switch( event.keyCode ) {
case keyCode.PAGE_UP:
- self._move( "previousPage", event );
+ suppressKeyPress = true;
+ this._move( "previousPage", event );
break;
case keyCode.PAGE_DOWN:
- self._move( "nextPage", event );
+ suppressKeyPress = true;
+ this._move( "nextPage", event );
break;
case keyCode.UP:
- self._move( "previous", event );
- // prevent moving cursor to beginning of text field in some browsers
- event.preventDefault();
+ suppressKeyPress = true;
+ this._keyEvent( "previous", event );
break;
case keyCode.DOWN:
- self._move( "next", event );
- // prevent moving cursor to end of text field in some browsers
- event.preventDefault();
+ suppressKeyPress = true;
+ this._keyEvent( "next", event );
break;
case keyCode.ENTER:
case keyCode.NUMPAD_ENTER:
// when menu is open and has focus
- if ( self.menu.active ) {
+ if ( this.menu.active ) {
// #6055 - Opera still allows the keypress to occur
// which causes forms to submit
suppressKeyPress = true;
event.preventDefault();
+ this.menu.select( event );
}
- //passthrough - ENTER and TAB both select the current element
+ break;
case keyCode.TAB:
- if ( !self.menu.active ) {
- return;
+ if ( this.menu.active ) {
+ this.menu.select( event );
}
- self.menu.select( event );
break;
case keyCode.ESCAPE:
- self.element.val( self.term );
- self.close( event );
+ if ( this.menu.element.is( ":visible" ) ) {
+ this._value( this.term );
+ this.close( event );
+ // Different browsers have different default behavior for escape
+ // Single press can mean undo or clear
+ // Double press in IE means clear the whole form
+ event.preventDefault();
+ }
break;
default:
- // keypress is triggered before the input value is changed
- clearTimeout( self.searching );
- self.searching = setTimeout(function() {
- // only search if the value has changed
- if ( self.term != self.element.val() ) {
- self.selectedItem = null;
- self.search( null, event );
- }
- }, self.options.delay );
+ suppressKeyPressRepeat = true;
+ // search timeout should be triggered before the input value is changed
+ this._searchTimeout( event );
break;
}
- })
- .bind( "keypress.autocomplete", function( event ) {
+ },
+ keypress: function( event ) {
if ( suppressKeyPress ) {
suppressKeyPress = false;
event.preventDefault();
+ return;
}
- })
- .bind( "focus.autocomplete", function() {
- if ( self.options.disabled ) {
+ if ( suppressKeyPressRepeat ) {
return;
}
- self.selectedItem = null;
- self.previous = self.element.val();
- })
- .bind( "blur.autocomplete", function( event ) {
- if ( self.options.disabled ) {
+ // replicate some key handlers to allow them to repeat in Firefox and Opera
+ var keyCode = $.ui.keyCode;
+ switch( event.keyCode ) {
+ case keyCode.PAGE_UP:
+ this._move( "previousPage", event );
+ break;
+ case keyCode.PAGE_DOWN:
+ this._move( "nextPage", event );
+ break;
+ case keyCode.UP:
+ this._keyEvent( "previous", event );
+ break;
+ case keyCode.DOWN:
+ this._keyEvent( "next", event );
+ break;
+ }
+ },
+ input: function( event ) {
+ if ( suppressInput ) {
+ suppressInput = false;
+ event.preventDefault();
+ return;
+ }
+ this._searchTimeout( event );
+ },
+ focus: function() {
+ this.selectedItem = null;
+ this.previous = this._value();
+ },
+ blur: function( event ) {
+ if ( this.cancelBlur ) {
+ delete this.cancelBlur;
return;
}
- clearTimeout( self.searching );
- // clicks on the menu (or a button to trigger a search) will cause a blur event
- self.closing = setTimeout(function() {
- self.close( event );
- self._change( event );
- }, 150 );
- });
+ clearTimeout( this.searching );
+ this.close( event );
+ this._change( event );
+ }
+ });
+
this._initSource();
- this.response = function() {
- return self._response.apply( self, arguments );
- };
- this.menu = $( "<ul></ul>" )
+ this.menu = $( "<ul>" )
.addClass( "ui-autocomplete" )
- .appendTo( $( this.options.appendTo || "body", doc )[0] )
- // prevent the close-on-blur in case of a "slow" click on the menu (long mousedown)
- .mousedown(function( event ) {
+ .appendTo( this.document.find( this.options.appendTo || "body" )[ 0 ] )
+ .menu({
+ // custom key handling for now
+ input: $(),
+ // disable ARIA support, the live region takes care of that
+ role: null
+ })
+ .zIndex( this.element.zIndex() + 1 )
+ .hide()
+ .data( "menu" );
+ this._on( this.menu.element, {
+ mousedown: function( event ) {
+ // prevent moving focus out of the text field
+ event.preventDefault();
+
+ // IE doesn't prevent moving focus even with event.preventDefault()
+ // so we set a flag to know when we should ignore the blur event
+ this.cancelBlur = true;
+ this._delay(function() {
+ delete this.cancelBlur;
+ });
+
// clicking on the scrollbar causes focus to shift to the body
// but we can't detect a mouseup or a click immediately afterward
// so we have to track the next mousedown and close the menu if
// the user clicks somewhere outside of the autocomplete
- var menuElement = self.menu.element[ 0 ];
+ var menuElement = this.menu.element[ 0 ];
if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
- setTimeout(function() {
- $( document ).one( 'mousedown', function( event ) {
- if ( event.target !== self.element[ 0 ] &&
- event.target !== menuElement &&
- !$.ui.contains( menuElement, event.target ) ) {
- self.close();
+ this._delay(function() {
+ var that = this;
+ this.document.one( "mousedown", function( event ) {
+ if ( event.target !== that.element[ 0 ] &&
+ event.target !== menuElement &&
+ !$.contains( menuElement, event.target ) ) {
+ that.close();
}
});
- }, 1 );
+ });
}
+ },
+ menufocus: function( event, ui ) {
+ // #7024 - Prevent accidental activation of menu items in Firefox
+ if ( this.isNewMenu ) {
+ this.isNewMenu = false;
+ if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
+ this.menu.blur();
+
+ this.document.one( "mousemove", function() {
+ $( event.target ).trigger( event.originalEvent );
+ });
- // use another timeout to make sure the blur-event-handler on the input was already triggered
- setTimeout(function() {
- clearTimeout( self.closing );
- }, 13);
- })
- .menu({
- focus: function( event, ui ) {
- var item = ui.item.data( "item.autocomplete" );
- if ( false !== self._trigger( "focus", event, { item: item } ) ) {
- // use value to match what will end up in the input, if it was a key event
- if ( /^key/.test(event.originalEvent.type) ) {
- self.element.val( item.value );
- }
- }
- },
- selected: function( event, ui ) {
- var item = ui.item.data( "item.autocomplete" ),
- previous = self.previous;
-
- // only trigger when focus was lost (click on menu)
- if ( self.element[0] !== doc.activeElement ) {
- self.element.focus();
- self.previous = previous;
- // #6109 - IE triggers two focus events and the second
- // is asynchronous, so we need to reset the previous
- // term synchronously and asynchronously :-(
- setTimeout(function() {
- self.previous = previous;
- self.selectedItem = item;
- }, 1);
+ return;
}
+ }
- if ( false !== self._trigger( "select", event, { item: item } ) ) {
- self.element.val( item.value );
- }
- // reset the term after the select event
- // this allows custom select handling to work properly
- self.term = self.element.val();
-
- self.close( event );
- self.selectedItem = item;
- },
- blur: function( event, ui ) {
- // don't set the value of the text field if it's already correct
- // this prevents moving the cursor unnecessarily
- if ( self.menu.element.is(":visible") &&
- ( self.element.val() !== self.term ) ) {
- self.element.val( self.term );
+ // back compat for _renderItem using item.autocomplete, via #7810
+ // TODO remove the fallback, see #8156
+ var item = ui.item.data( "ui-autocomplete-item" ) || ui.item.data( "item.autocomplete" );
+ if ( false !== this._trigger( "focus", event, { item: item } ) ) {
+ // use value to match what will end up in the input, if it was a key event
+ if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
+ this._value( item.value );
}
+ } else {
+ // Normally the input is populated with the item's value as the
+ // menu is navigated, causing screen readers to notice a change and
+ // announce the item. Since the focus event was canceled, this doesn't
+ // happen, so we update the live region so that screen readers can
+ // still notice the change and announce it.
+ this.liveRegion.text( item.value );
+ }
+ },
+ menuselect: function( event, ui ) {
+ // back compat for _renderItem using item.autocomplete, via #7810
+ // TODO remove the fallback, see #8156
+ var item = ui.item.data( "ui-autocomplete-item" ) || ui.item.data( "item.autocomplete" ),
+ previous = this.previous;
+
+ // only trigger when focus was lost (click on menu)
+ if ( this.element[0] !== this.document[0].activeElement ) {
+ this.element.focus();
+ this.previous = previous;
+ // #6109 - IE triggers two focus events and the second
+ // is asynchronous, so we need to reset the previous
+ // term synchronously and asynchronously :-(
+ this._delay(function() {
+ this.previous = previous;
+ this.selectedItem = item;
+ });
}
+
+ if ( false !== this._trigger( "select", event, { item: item } ) ) {
+ this._value( item.value );
+ }
+ // reset the term after the select event
+ // this allows custom select handling to work properly
+ this.term = this._value();
+
+ this.close( event );
+ this.selectedItem = item;
+ }
+ });
+
+ this.liveRegion = $( "<span>", {
+ role: "status",
+ "aria-live": "polite"
})
- .zIndex( this.element.zIndex() + 1 )
- // workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
- .css({ top: 0, left: 0 })
- .hide()
- .data( "menu" );
+ .addClass( "ui-helper-hidden-accessible" )
+ .insertAfter( this.element );
+
if ( $.fn.bgiframe ) {
this.menu.element.bgiframe();
}
+
+ // turning off autocomplete prevents the browser from remembering the
+ // value when navigating through history, so we re-enable autocomplete
+ // if the page is unloaded before the widget is destroyed. #7790
+ this._on( this.window, {
+ beforeunload: function() {
+ this.element.removeAttr( "autocomplete" );
+ }
+ });
},
- destroy: function() {
+ _destroy: function() {
+ clearTimeout( this.searching );
this.element
.removeClass( "ui-autocomplete-input" )
- .removeAttr( "autocomplete" )
- .removeAttr( "role" )
- .removeAttr( "aria-autocomplete" )
- .removeAttr( "aria-haspopup" );
+ .removeAttr( "autocomplete" );
this.menu.element.remove();
- $.Widget.prototype.destroy.call( this );
+ this.liveRegion.remove();
},
_setOption: function( key, value ) {
- $.Widget.prototype._setOption.apply( this, arguments );
+ this._super( key, value );
if ( key === "source" ) {
this._initSource();
}
if ( key === "appendTo" ) {
- this.menu.element.appendTo( $( value || "body", this.element[0].ownerDocument )[0] )
+ this.menu.element.appendTo( this.document.find( value || "body" )[0] );
}
if ( key === "disabled" && value && this.xhr ) {
this.xhr.abort();
}
},
+ _isMultiLine: function() {
+ // Textareas are always multi-line
+ if ( this.element.is( "textarea" ) ) {
+ return true;
+ }
+ // Inputs are always single-line, even if inside a contentEditable element
+ // IE also treats inputs as contentEditable
+ if ( this.element.is( "input" ) ) {
+ return false;
+ }
+ // All other element types are determined by whether or not they're contentEditable
+ return this.element.prop( "isContentEditable" );
+ },
+
_initSource: function() {
- var self = this,
- array,
- url;
+ var array, url,
+ that = this;
if ( $.isArray(this.options.source) ) {
array = this.options.source;
this.source = function( request, response ) {
- response( $.ui.autocomplete.filter(array, request.term) );
+ response( $.ui.autocomplete.filter( array, request.term ) );
};
} else if ( typeof this.options.source === "string" ) {
url = this.options.source;
this.source = function( request, response ) {
- if ( self.xhr ) {
- self.xhr.abort();
+ if ( that.xhr ) {
+ that.xhr.abort();
}
- self.xhr = $.ajax({
+ that.xhr = $.ajax({
url: url,
data: request,
dataType: "json",
- autocompleteRequest: ++requestIndex,
success: function( data, status ) {
- if ( this.autocompleteRequest === requestIndex ) {
- response( data );
- }
+ response( data );
},
error: function() {
- if ( this.autocompleteRequest === requestIndex ) {
- response( [] );
- }
+ response( [] );
}
});
};
@@ -278,17 +372,27 @@ $.widget( "ui.autocomplete", {
}
},
+ _searchTimeout: function( event ) {
+ clearTimeout( this.searching );
+ this.searching = this._delay(function() {
+ // only search if the value has changed
+ if ( this.term !== this._value() ) {
+ this.selectedItem = null;
+ this.search( null, event );
+ }
+ }, this.options.delay );
+ },
+
search: function( value, event ) {
- value = value != null ? value : this.element.val();
+ value = value != null ? value : this._value();
// always save the actual value, not the one passed as an argument
- this.term = this.element.val();
+ this.term = this._value();
if ( value.length < this.options.minLength ) {
return this.close( event );
}
- clearTimeout( this.closing );
if ( this._trigger( "search", event ) === false ) {
return;
}
@@ -299,35 +403,57 @@ $.widget( "ui.autocomplete", {
_search: function( value ) {
this.pending++;
this.element.addClass( "ui-autocomplete-loading" );
+ this.cancelSearch = false;
+
+ this.source( { term: value }, this._response() );
+ },
+
+ _response: function() {
+ var that = this,
+ index = ++requestIndex;
+
+ return function( content ) {
+ if ( index === requestIndex ) {
+ that.__response( content );
+ }
- this.source( { term: value }, this.response );
+ that.pending--;
+ if ( !that.pending ) {
+ that.element.removeClass( "ui-autocomplete-loading" );
+ }
+ };
},
- _response: function( content ) {
- if ( !this.options.disabled && content && content.length ) {
+ __response: function( content ) {
+ if ( content ) {
content = this._normalize( content );
+ }
+ this._trigger( "response", null, { content: content } );
+ if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
this._suggest( content );
this._trigger( "open" );
} else {
- this.close();
- }
- this.pending--;
- if ( !this.pending ) {
- this.element.removeClass( "ui-autocomplete-loading" );
+ // use ._close() instead of .close() so we don't cancel future searches
+ this._close();
}
},
close: function( event ) {
- clearTimeout( this.closing );
- if ( this.menu.element.is(":visible") ) {
+ this.cancelSearch = true;
+ this._close( event );
+ },
+
+ _close: function( event ) {
+ if ( this.menu.element.is( ":visible" ) ) {
this.menu.element.hide();
- this.menu.deactivate();
+ this.menu.blur();
+ this.isNewMenu = true;
this._trigger( "close", event );
}
},
-
+
_change: function( event ) {
- if ( this.previous !== this.element.val() ) {
+ if ( this.previous !== this._value() ) {
this._trigger( "change", event, { item: this.selectedItem } );
}
},
@@ -337,7 +463,7 @@ $.widget( "ui.autocomplete", {
if ( items.length && items[0].label && items[0].value ) {
return items;
}
- return $.map( items, function(item) {
+ return $.map( items, function( item ) {
if ( typeof item === "string" ) {
return {
label: item,
@@ -356,8 +482,6 @@ $.widget( "ui.autocomplete", {
.empty()
.zIndex( this.element.zIndex() + 1 );
this._renderMenu( ul, items );
- // TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
- this.menu.deactivate();
this.menu.refresh();
// size and position menu
@@ -368,41 +492,46 @@ $.widget( "ui.autocomplete", {
}, this.options.position ));
if ( this.options.autoFocus ) {
- this.menu.next( new $.Event("mouseover") );
+ this.menu.next();
}
},
_resizeMenu: function() {
var ul = this.menu.element;
ul.outerWidth( Math.max(
- ul.width( "" ).outerWidth(),
+ // Firefox wraps long text (possibly a rounding bug)
+ // so we add 1px to avoid the wrapping (#7513)
+ ul.width( "" ).outerWidth() + 1,
this.element.outerWidth()
) );
},
_renderMenu: function( ul, items ) {
- var self = this;
+ var that = this;
$.each( items, function( index, item ) {
- self._renderItem( ul, item );
+ that._renderItemData( ul, item );
});
},
- _renderItem: function( ul, item) {
- return $( "<li></li>" )
- .data( "item.autocomplete", item )
- .append( $( "<a></a>" ).text( item.label ) )
+ _renderItemData: function( ul, item ) {
+ return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
+ },
+
+ _renderItem: function( ul, item ) {
+ return $( "<li>" )
+ .append( $( "<a>" ).text( item.label ) )
.appendTo( ul );
},
_move: function( direction, event ) {
- if ( !this.menu.element.is(":visible") ) {
+ if ( !this.menu.element.is( ":visible" ) ) {
this.search( null, event );
return;
}
- if ( this.menu.first() && /^previous/.test(direction) ||
- this.menu.last() && /^next/.test(direction) ) {
- this.element.val( this.term );
- this.menu.deactivate();
+ if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
+ this.menu.isLastItem() && /^next/.test( direction ) ) {
+ this._value( this.term );
+ this.menu.blur();
return;
}
this.menu[ direction ]( event );
@@ -410,12 +539,25 @@ $.widget( "ui.autocomplete", {
widget: function() {
return this.menu.element;
+ },
+
+ _value: function( value ) {
+ return this.valueMethod.apply( this.element, arguments );
+ },
+
+ _keyEvent: function( keyEvent, event ) {
+ if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
+ this._move( keyEvent, event );
+
+ // prevents moving cursor to beginning/end of the text field in some browsers
+ event.preventDefault();
+ }
}
});
$.extend( $.ui.autocomplete, {
escapeRegex: function( value ) {
- return value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+ return value.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&");
},
filter: function(array, term) {
var matcher = new RegExp( $.ui.autocomplete.escapeRegex(term), "i" );
@@ -425,188 +567,35 @@ $.extend( $.ui.autocomplete, {
}
});
-}( jQuery ));
-
-/*
- * jQuery UI Menu (not officially released)
- *
- * This widget isn't yet finished and the API is subject to change. We plan to finish
- * it for the next release. You're welcome to give it a try anyway and give us feedback,
- * as long as you're okay with migrating your code later on. We can help with that, too.
- *
- * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
- * Dual licensed under the MIT or GPL Version 2 licenses.
- * http://jquery.org/license
- *
- * http://docs.jquery.com/UI/Menu
- *
- * Depends:
- * jquery.ui.core.js
- * jquery.ui.widget.js
- */
-(function($) {
-
-$.widget("ui.menu", {
- _create: function() {
- var self = this;
- this.element
- .addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
- .attr({
- role: "listbox",
- "aria-activedescendant": "ui-active-menuitem"
- })
- .click(function( event ) {
- if ( !$( event.target ).closest( ".ui-menu-item a" ).length ) {
- return;
- }
- // temporary
- event.preventDefault();
- self.select( event );
- });
- this.refresh();
- },
-
- refresh: function() {
- var self = this;
-
- // don't refresh list items that are already adapted
- var items = this.element.children("li:not(.ui-menu-item):has(a)")
- .addClass("ui-menu-item")
- .attr("role", "menuitem");
-
- items.children("a")
- .addClass("ui-corner-all")
- .attr("tabindex", -1)
- // mouseenter doesn't work with event delegation
- .mouseenter(function( event ) {
- self.activate( event, $(this).parent() );
- })
- .mouseleave(function() {
- self.deactivate();
- });
- },
- activate: function( event, item ) {
- this.deactivate();
- if (this.hasScroll()) {
- var offset = item.offset().top - this.element.offset().top,
- scroll = this.element.scrollTop(),
- elementHeight = this.element.height();
- if (offset < 0) {
- this.element.scrollTop( scroll + offset);
- } else if (offset >= elementHeight) {
- this.element.scrollTop( scroll + offset - elementHeight + item.height());
+// live region extension, adding a `messages` option
+// NOTE: This is an experimental API. We are still investigating
+// a full solution for string manipulation and internationalization.
+$.widget( "ui.autocomplete", $.ui.autocomplete, {
+ options: {
+ messages: {
+ noResults: "No search results.",
+ results: function( amount ) {
+ return amount + ( amount > 1 ? " results are" : " result is" ) +
+ " available, use up and down arrow keys to navigate.";
}
}
- this.active = item.eq(0)
- .children("a")
- .addClass("ui-state-hover")
- .attr("id", "ui-active-menuitem")
- .end();
- this._trigger("focus", event, { item: item });
- },
-
- deactivate: function() {
- if (!this.active) { return; }
-
- this.active.children("a")
- .removeClass("ui-state-hover")
- .removeAttr("id");
- this._trigger("blur");
- this.active = null;
- },
-
- next: function(event) {
- this.move("next", ".ui-menu-item:first", event);
- },
-
- previous: function(event) {
- this.move("prev", ".ui-menu-item:last", event);
- },
-
- first: function() {
- return this.active && !this.active.prevAll(".ui-menu-item").length;
- },
-
- last: function() {
- return this.active && !this.active.nextAll(".ui-menu-item").length;
},
- move: function(direction, edge, event) {
- if (!this.active) {
- this.activate(event, this.element.children(edge));
+ __response: function( content ) {
+ var message;
+ this._superApply( arguments );
+ if ( this.options.disabled || this.cancelSearch ) {
return;
}
- var next = this.active[direction + "All"](".ui-menu-item").eq(0);
- if (next.length) {
- this.activate(event, next);
+ if ( content && content.length ) {
+ message = this.options.messages.results( content.length );
} else {
- this.activate(event, this.element.children(edge));
+ message = this.options.messages.noResults;
}
- },
-
- // TODO merge with previousPage
- nextPage: function(event) {
- if (this.hasScroll()) {
- // TODO merge with no-scroll-else
- if (!this.active || this.last()) {
- this.activate(event, this.element.children(".ui-menu-item:first"));
- return;
- }
- var base = this.active.offset().top,
- height = this.element.height(),
- result = this.element.children(".ui-menu-item").filter(function() {
- var close = $(this).offset().top - base - height + $(this).height();
- // TODO improve approximation
- return close < 10 && close > -10;
- });
-
- // TODO try to catch this earlier when scrollTop indicates the last page anyway
- if (!result.length) {
- result = this.element.children(".ui-menu-item:last");
- }
- this.activate(event, result);
- } else {
- this.activate(event, this.element.children(".ui-menu-item")
- .filter(!this.active || this.last() ? ":first" : ":last"));
- }
- },
-
- // TODO merge with nextPage
- previousPage: function(event) {
- if (this.hasScroll()) {
- // TODO merge with no-scroll-else
- if (!this.active || this.first()) {
- this.activate(event, this.element.children(".ui-menu-item:last"));
- return;
- }
-
- var base = this.active.offset().top,
- height = this.element.height();
- result = this.element.children(".ui-menu-item").filter(function() {
- var close = $(this).offset().top - base + height - $(this).height();
- // TODO improve approximation
- return close < 10 && close > -10;
- });
-
- // TODO try to catch this earlier when scrollTop indicates the last page anyway
- if (!result.length) {
- result = this.element.children(".ui-menu-item:first");
- }
- this.activate(event, result);
- } else {
- this.activate(event, this.element.children(".ui-menu-item")
- .filter(!this.active || this.first() ? ":last" : ":first"));
- }
- },
-
- hasScroll: function() {
- return this.element.height() < this.element[ $.fn.prop ? "prop" : "attr" ]("scrollHeight");
- },
-
- select: function( event ) {
- this._trigger("selected", event, { item: this.active });
+ this.liveRegion.text( message );
}
});
-}(jQuery));
+
+}( jQuery ));