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Diffstat (limited to 'template-common/lib/ui/ui.sortable.js')
| -rw-r--r-- | template-common/lib/ui/ui.sortable.js | 743 |
1 files changed, 743 insertions, 0 deletions
diff --git a/template-common/lib/ui/ui.sortable.js b/template-common/lib/ui/ui.sortable.js new file mode 100644 index 000000000..6d33bf98c --- /dev/null +++ b/template-common/lib/ui/ui.sortable.js @@ -0,0 +1,743 @@ +/* + * jQuery UI Sortable + * + * Copyright (c) 2008 Paul Bakaus + * Dual licensed under the MIT (MIT-LICENSE.txt) + * and GPL (GPL-LICENSE.txt) licenses. + * + * http://docs.jquery.com/UI/Sortables + * + * Depends: + * ui.core.js + */ +(function($) { + +function contains(a, b) { + var safari2 = $.browser.safari && $.browser.version < 522; + if (a.contains && !safari2) { + return a.contains(b); + } + if (a.compareDocumentPosition) + return !!(a.compareDocumentPosition(b) & 16); + while (b = b.parentNode) + if (b == a) return true; + return false; +}; + +$.widget("ui.sortable", $.extend({}, $.ui.mouse, { + init: function() { + + var o = this.options; + this.containerCache = {}; + this.element.addClass("ui-sortable"); + + //Get the items + this.refresh(); + + //Let's determine if the items are floating + this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false; + + //Let's determine the parent's offset + if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative'); + this.offset = this.element.offset(); + + //Initialize mouse events for interaction + this.mouseInit(); + + }, + plugins: {}, + ui: function(inst) { + return { + helper: (inst || this)["helper"], + placeholder: (inst || this)["placeholder"] || $([]), + position: (inst || this)["position"], + absolutePosition: (inst || this)["positionAbs"], + options: this.options, + element: this.element, + item: (inst || this)["currentItem"], + sender: inst ? inst.element : null + }; + }, + propagate: function(n,e,inst, noPropagation) { + $.ui.plugin.call(this, n, [e, this.ui(inst)]); + if(!noPropagation) this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]); + }, + serialize: function(o) { + + var items = ($.isFunction(this.options.items) ? this.options.items.call(this.element) : $(this.options.items, this.element)).not('.ui-sortable-helper'); //Only the items of the sortable itself + var str = []; o = o || {}; + + items.each(function() { + var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/)); + if(res) str.push((o.key || res[1])+'[]='+(o.key && o.expression ? res[1] : res[2])); + }); + + return str.join('&'); + + }, + toArray: function(attr) { + + var items = ($.isFunction(this.options.items) ? this.options.items.call(this.element) : $(this.options.items, this.element)).not('.ui-sortable-helper'); //Only the items of the sortable itself + var ret = []; + + items.each(function() { ret.push($(this).attr(attr || 'id')); }); + return ret; + + }, + /* Be careful with the following core functions */ + intersectsWith: function(item) { + + var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width, + y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height; + var l = item.left, r = l + item.width, + t = item.top, b = t + item.height; + + if(this.options.tolerance == "pointer" || this.options.forcePointerForContainers || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) { + return (y1 + this.offset.click.top > t && y1 + this.offset.click.top < b && x1 + this.offset.click.left > l && x1 + this.offset.click.left < r); + } else { + + return (l < x1 + (this.helperProportions.width / 2) // Right Half + && x2 - (this.helperProportions.width / 2) < r // Left Half + && t < y1 + (this.helperProportions.height / 2) // Bottom Half + && y2 - (this.helperProportions.height / 2) < b ); // Top Half + + } + + }, + intersectsWithEdge: function(item) { + var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width, + y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height; + var l = item.left, r = l + item.width, + t = item.top, b = t + item.height; + + if(this.options.tolerance == "pointer" || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) { + + if(!(y1 + this.offset.click.top > t && y1 + this.offset.click.top < b && x1 + this.offset.click.left > l && x1 + this.offset.click.left < r)) return false; + + if(this.floating) { + if(x1 + this.offset.click.left > l && x1 + this.offset.click.left < l + item.width/2) return 2; + if(x1 + this.offset.click.left > l+item.width/2 && x1 + this.offset.click.left < r) return 1; + } else { + if(y1 + this.offset.click.top > t && y1 + this.offset.click.top < t + item.height/2) return 2; + if(y1 + this.offset.click.top > t+item.height/2 && y1 + this.offset.click.top < b) return 1; + } + + } else { + + if (!(l < x1 + (this.helperProportions.width / 2) // Right Half + && x2 - (this.helperProportions.width / 2) < r // Left Half + && t < y1 + (this.helperProportions.height / 2) // Bottom Half + && y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half + + if(this.floating) { + if(x2 > l && x1 < l) return 2; //Crosses left edge + if(x1 < r && x2 > r) return 1; //Crosses right edge + } else { + if(y2 > t && y1 < t) return 1; //Crosses top edge + if(y1 < b && y2 > b) return 2; //Crosses bottom edge + } + + } + + return false; + + }, + refresh: function() { + this.refreshItems(); + this.refreshPositions(); + }, + refreshItems: function() { + + this.items = []; + this.containers = [this]; + var items = this.items; + var self = this; + var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element), this]]; + + if(this.options.connectWith) { + for (var i = this.options.connectWith.length - 1; i >= 0; i--){ + var cur = $(this.options.connectWith[i]); + for (var j = cur.length - 1; j >= 0; j--){ + var inst = $.data(cur[j], 'sortable'); + if(inst && !inst.options.disabled) { + queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element), inst]); + this.containers.push(inst); + } + }; + }; + } + + for (var i = queries.length - 1; i >= 0; i--){ + queries[i][0].each(function() { + $.data(this, 'sortable-item', queries[i][1]); // Data for target checking (mouse manager) + items.push({ + item: $(this), + instance: queries[i][1], + width: 0, height: 0, + left: 0, top: 0 + }); + }); + }; + + }, + refreshPositions: function(fast) { + + //This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change + if(this.offsetParent) { + var po = this.offsetParent.offset(); + this.offset.parent = { top: po.top + this.offsetParentBorders.top, left: po.left + this.offsetParentBorders.left }; + } + + for (var i = this.items.length - 1; i >= 0; i--){ + + //We ignore calculating positions of all connected containers when we're not over them + if(this.items[i].instance != this.currentContainer && this.currentContainer && this.items[i].item[0] != this.currentItem[0]) + continue; + + var t = this.options.toleranceElement ? $(this.options.toleranceElement, this.items[i].item) : this.items[i].item; + + if(!fast) { + this.items[i].width = t[0].offsetWidth; + this.items[i].height = t[0].offsetHeight; + } + + var p = t.offset(); + this.items[i].left = p.left; + this.items[i].top = p.top; + + }; + + if(this.options.custom && this.options.custom.refreshContainers) { + this.options.custom.refreshContainers.call(this); + } else { + for (var i = this.containers.length - 1; i >= 0; i--){ + var p =this.containers[i].element.offset(); + this.containers[i].containerCache.left = p.left; + this.containers[i].containerCache.top = p.top; + this.containers[i].containerCache.width = this.containers[i].element.outerWidth(); + this.containers[i].containerCache.height = this.containers[i].element.outerHeight(); + }; + } + + }, + destroy: function() { + this.element + .removeClass("ui-sortable ui-sortable-disabled") + .removeData("sortable") + .unbind(".sortable"); + this.mouseDestroy(); + + for ( var i = this.items.length - 1; i >= 0; i-- ) + this.items[i].item.removeData("sortable-item"); + }, + createPlaceholder: function(that) { + + var self = that || this, o = self.options; + + if(o.placeholder.constructor == String) { + var className = o.placeholder; + o.placeholder = { + element: function() { + return $('<div></div>').addClass(className)[0]; + }, + update: function(i, p) { + p.css(i.offset()).css({ width: i.outerWidth(), height: i.outerHeight() }); + } + }; + } + + self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem)).appendTo('body').css({ position: 'absolute' }); + o.placeholder.update.call(self.element, self.currentItem, self.placeholder); + }, + contactContainers: function(e) { + for (var i = this.containers.length - 1; i >= 0; i--){ + + if(this.intersectsWith(this.containers[i].containerCache)) { + if(!this.containers[i].containerCache.over) { + + + if(this.currentContainer != this.containers[i]) { + + //When entering a new container, we will find the item with the least distance and append our item near it + var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top']; + for (var j = this.items.length - 1; j >= 0; j--) { + if(!contains(this.containers[i].element[0], this.items[j].item[0])) continue; + var cur = this.items[j][this.containers[i].floating ? 'left' : 'top']; + if(Math.abs(cur - base) < dist) { + dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j]; + } + } + + if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled + continue; + + //We also need to exchange the placeholder + if(this.placeholder) this.placeholder.remove(); + if(this.containers[i].options.placeholder) { + this.containers[i].createPlaceholder(this); + } else { + this.placeholder = null;; + } + + this.currentContainer = this.containers[i]; + itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance, null, true) : this.rearrange(e, null, this.containers[i].element, true); + this.propagate("change", e); //Call plugins and callbacks + this.containers[i].propagate("change", e, this); //Call plugins and callbacks + + } + + this.containers[i].propagate("over", e, this); + this.containers[i].containerCache.over = 1; + } + } else { + if(this.containers[i].containerCache.over) { + this.containers[i].propagate("out", e, this); + this.containers[i].containerCache.over = 0; + } + } + + }; + }, + mouseCapture: function(e, overrideHandle) { + + if(this.options.disabled || this.options.type == 'static') return false; + + //We have to refresh the items data once first + this.refreshItems(); + + //Find out if the clicked node (or one of its parents) is a actual item in this.items + var currentItem = null, self = this, nodes = $(e.target).parents().each(function() { + if($.data(this, 'sortable-item') == self) { + currentItem = $(this); + return false; + } + }); + if($.data(e.target, 'sortable-item') == self) currentItem = $(e.target); + + if(!currentItem) return false; + if(this.options.handle && !overrideHandle) { + var validHandle = false; + + $(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == e.target) validHandle = true; }); + if(!validHandle) return false; + } + + this.currentItem = currentItem; + return true; + + }, + mouseStart: function(e, overrideHandle, noActivation) { + + var o = this.options; + this.currentContainer = this; + + //We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture + this.refreshPositions(); + + //Create and append the visible helper + this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : this.currentItem.clone(); + if (!this.helper.parents('body').length) $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(this.helper[0]); //Add the helper to the DOM if that didn't happen already + this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortable-helper'); //Position it absolutely and add a helper class + + /* + * - Position generation - + * This block generates everything position related - it's the core of draggables. + */ + + this.margins = { //Cache the margins + left: (parseInt(this.currentItem.css("marginLeft"),10) || 0), + top: (parseInt(this.currentItem.css("marginTop"),10) || 0) + }; + + this.offset = this.currentItem.offset(); //The element's absolute position on the page + this.offset = { //Substract the margins from the element's absolute offset + top: this.offset.top - this.margins.top, + left: this.offset.left - this.margins.left + }; + + this.offset.click = { //Where the click happened, relative to the element + left: e.pageX - this.offset.left, + top: e.pageY - this.offset.top + }; + + this.offsetParent = this.helper.offsetParent(); //Get the offsetParent and cache its position + var po = this.offsetParent.offset(); + + this.offsetParentBorders = { + top: (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), + left: (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) + }; + this.offset.parent = { //Store its position plus border + top: po.top + this.offsetParentBorders.top, + left: po.left + this.offsetParentBorders.left + }; + + this.originalPosition = this.generatePosition(e); //Generate the original position + this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] }; //Cache the former DOM position + + //If o.placeholder is used, create a new element at the given position with the class + this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size + if(o.placeholder) this.createPlaceholder(); + + //Call plugins and callbacks + this.propagate("start", e); + this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache the helper size + + if(o.cursorAt) { + if(o.cursorAt.left != undefined) this.offset.click.left = o.cursorAt.left; + if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right; + if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top; + if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom; + } + + /* + * - Position constraining - + * Here we prepare position constraining like grid and containment. + */ + + if(o.containment) { + if(o.containment == 'parent') o.containment = this.helper[0].parentNode; + if(o.containment == 'document' || o.containment == 'window') this.containment = [ + 0 - this.offset.parent.left, + 0 - this.offset.parent.top, + $(o.containment == 'document' ? document : window).width() - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0), + ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0) + ]; + + if(!(/^(document|window|parent)$/).test(o.containment)) { + var ce = $(o.containment)[0]; + var co = $(o.containment).offset(); + + this.containment = [ + co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left, + co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top, + co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.currentItem.css("marginRight"),10) || 0), + co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.currentItem.css("marginBottom"),10) || 0) + ]; + } + } + + //Set the original element visibility to hidden to still fill out the white space + if(this.options.placeholder != 'clone') + this.currentItem.css('visibility', 'hidden'); + + //Post 'activate' events to possible containers + if(!noActivation) { + for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i].propagate("activate", e, this); } + } + + //Prepare possible droppables + if($.ui.ddmanager) $.ui.ddmanager.current = this; + if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e); + + this.dragging = true; + + this.mouseDrag(e); //Execute the drag once - this causes the helper not to be visible before getting its correct position + return true; + + + }, + convertPositionTo: function(d, pos) { + if(!pos) pos = this.position; + var mod = d == "absolute" ? 1 : -1; + return { + top: ( + pos.top // the calculated relative position + + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) + - (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) * mod // The offsetParent's scroll position + + this.margins.top * mod //Add the margin (you don't want the margin counting in intersection methods) + ), + left: ( + pos.left // the calculated relative position + + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) + - (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft) * mod // The offsetParent's scroll position + + this.margins.left * mod //Add the margin (you don't want the margin counting in intersection methods) + ) + }; + }, + generatePosition: function(e) { + + var o = this.options; + var position = { + top: ( + e.pageY // The absolute mouse position + - this.offset.click.top // Click offset (relative to the element) + - this.offset.parent.top // The offsetParent's offset without borders (offset + border) + + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) // The offsetParent's scroll position, not if the element is fixed + ), + left: ( + e.pageX // The absolute mouse position + - this.offset.click.left // Click offset (relative to the element) + - this.offset.parent.left // The offsetParent's offset without borders (offset + border) + + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft) // The offsetParent's scroll position, not if the element is fixed + ) + }; + + if(!this.originalPosition) return position; //If we are not dragging yet, we won't check for options + + /* + * - Position constraining - + * Constrain the position to a mix of grid, containment. + */ + if(this.containment) { + if(position.left < this.containment[0]) position.left = this.containment[0]; + if(position.top < this.containment[1]) position.top = this.containment[1]; + if(position.left > this.containment[2]) position.left = this.containment[2]; + if(position.top > this.containment[3]) position.top = this.containment[3]; + } + + if(o.grid) { + var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1]; + position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top : (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; + + var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0]; + position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left : (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; + } + + return position; + }, + mouseDrag: function(e) { + + //Compute the helpers position + this.position = this.generatePosition(e); + this.positionAbs = this.convertPositionTo("absolute"); + + //Call the internal plugins + $.ui.plugin.call(this, "sort", [e, this.ui()]); + + //Regenerate the absolute position used for position checks + this.positionAbs = this.convertPositionTo("absolute"); + + //Set the helper's position + this.helper[0].style.left = this.position.left+'px'; + this.helper[0].style.top = this.position.top+'px'; + + //Rearrange + for (var i = this.items.length - 1; i >= 0; i--) { + var intersection = this.intersectsWithEdge(this.items[i]); + if(!intersection) continue; + + if(this.items[i].item[0] != this.currentItem[0] //cannot intersect with itself + && this.currentItem[intersection == 1 ? "next" : "prev"]()[0] != this.items[i].item[0] //no useless actions that have been done before + && !contains(this.currentItem[0], this.items[i].item[0]) //no action if the item moved is the parent of the item checked + && (this.options.type == 'semi-dynamic' ? !contains(this.element[0], this.items[i].item[0]) : true) + ) { + + this.direction = intersection == 1 ? "down" : "up"; + this.rearrange(e, this.items[i]); + this.propagate("change", e); //Call plugins and callbacks + break; + } + } + + //Post events to containers + this.contactContainers(e); + + //Interconnect with droppables + if($.ui.ddmanager) $.ui.ddmanager.drag(this, e); + + //Call callbacks + this.element.triggerHandler("sort", [e, this.ui()], this.options["sort"]); + + return false; + + }, + rearrange: function(e, i, a, hardRefresh) { + a ? a[0].appendChild(this.currentItem[0]) : i.item[0].parentNode.insertBefore(this.currentItem[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling)); + + //Various things done here to improve the performance: + // 1. we create a setTimeout, that calls refreshPositions + // 2. on the instance, we have a counter variable, that get's higher after every append + // 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same + // 4. this lets only the last addition to the timeout stack through + this.counter = this.counter ? ++this.counter : 1; + var self = this, counter = this.counter; + + window.setTimeout(function() { + if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove + },0); + + if(this.options.placeholder) + this.options.placeholder.update.call(this.element, this.currentItem, this.placeholder); + }, + mouseStop: function(e, noPropagation) { + + //If we are using droppables, inform the manager about the drop + if ($.ui.ddmanager && !this.options.dropBehaviour) + $.ui.ddmanager.drop(this, e); + + if(this.options.revert) { + var self = this; + var cur = self.currentItem.offset(); + + //Also animate the placeholder if we have one + if(self.placeholder) self.placeholder.animate({ opacity: 'hide' }, (parseInt(this.options.revert, 10) || 500)-50); + + $(this.helper).animate({ + left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft), + top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) + }, parseInt(this.options.revert, 10) || 500, function() { + self.clear(e); + }); + } else { + this.clear(e, noPropagation); + } + + return false; + + }, + clear: function(e, noPropagation) { + + if(this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) this.propagate("update", e, null, noPropagation); //Trigger update callback if the DOM position has changed + if(!contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element + this.propagate("remove", e, null, noPropagation); + for (var i = this.containers.length - 1; i >= 0; i--){ + if(contains(this.containers[i].element[0], this.currentItem[0])) { + this.containers[i].propagate("update", e, this, noPropagation); + this.containers[i].propagate("receive", e, this, noPropagation); + } + }; + }; + + //Post events to containers + for (var i = this.containers.length - 1; i >= 0; i--){ + this.containers[i].propagate("deactivate", e, this, noPropagation); + if(this.containers[i].containerCache.over) { + this.containers[i].propagate("out", e, this); + this.containers[i].containerCache.over = 0; + } + } + + this.dragging = false; + if(this.cancelHelperRemoval) { + this.propagate("stop", e, null, noPropagation); + return false; + } + + $(this.currentItem).css('visibility', ''); + if(this.placeholder) this.placeholder.remove(); + this.helper.remove(); this.helper = null; + this.propagate("stop", e, null, noPropagation); + + return true; + + } +})); + +$.extend($.ui.sortable, { + getter: "serialize toArray", + defaults: { + helper: "clone", + tolerance: "guess", + distance: 1, + delay: 0, + scroll: true, + scrollSensitivity: 20, + scrollSpeed: 20, + cancel: ":input", + items: '> *', + zIndex: 1000, + dropOnEmpty: true, + appendTo: "parent" + } +}); + +/* + * Sortable Extensions + */ + +$.ui.plugin.add("sortable", "cursor", { + start: function(e, ui) { + var t = $('body'); + if (t.css("cursor")) ui.options._cursor = t.css("cursor"); + t.css("cursor", ui.options.cursor); + }, + stop: function(e, ui) { + if (ui.options._cursor) $('body').css("cursor", ui.options._cursor); + } +}); + +$.ui.plugin.add("sortable", "zIndex", { + start: function(e, ui) { + var t = ui.helper; + if(t.css("zIndex")) ui.options._zIndex = t.css("zIndex"); + t.css('zIndex', ui.options.zIndex); + }, + stop: function(e, ui) { + if(ui.options._zIndex) $(ui.helper).css('zIndex', ui.options._zIndex); + } +}); + +$.ui.plugin.add("sortable", "opacity", { + start: function(e, ui) { + var t = ui.helper; + if(t.css("opacity")) ui.options._opacity = t.css("opacity"); + t.css('opacity', ui.options.opacity); + }, + stop: function(e, ui) { + if(ui.options._opacity) $(ui.helper).css('opacity', ui.options._opacity); + } +}); + +$.ui.plugin.add("sortable", "scroll", { + start: function(e, ui) { + var o = ui.options; + var i = $(this).data("sortable"); + + i.overflowY = function(el) { + do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-y'))) return el; el = el.parent(); } while (el[0].parentNode); + return $(document); + }(i.currentItem); + i.overflowX = function(el) { + do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-x'))) return el; el = el.parent(); } while (el[0].parentNode); + return $(document); + }(i.currentItem); + + if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') i.overflowYOffset = i.overflowY.offset(); + if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') i.overflowXOffset = i.overflowX.offset(); + + }, + sort: function(e, ui) { + + var o = ui.options; + var i = $(this).data("sortable"); + + if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') { + if((i.overflowYOffset.top + i.overflowY[0].offsetHeight) - e.pageY < o.scrollSensitivity) + i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed; + if(e.pageY - i.overflowYOffset.top < o.scrollSensitivity) + i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed; + } else { + if(e.pageY - $(document).scrollTop() < o.scrollSensitivity) + $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); + if($(window).height() - (e.pageY - $(document).scrollTop()) < o.scrollSensitivity) + $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); + } + + if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') { + if((i.overflowXOffset.left + i.overflowX[0].offsetWidth) - e.pageX < o.scrollSensitivity) + i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed; + if(e.pageX - i.overflowXOffset.left < o.scrollSensitivity) + i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft - o.scrollSpeed; + } else { + if(e.pageX - $(document).scrollLeft() < o.scrollSensitivity) + $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); + if($(window).width() - (e.pageX - $(document).scrollLeft()) < o.scrollSensitivity) + $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); + } + + } +}); + +$.ui.plugin.add("sortable", "axis", { + sort: function(e, ui) { + + var i = $(this).data("sortable"); + + if(ui.options.axis == "y") i.position.left = i.originalPosition.left; + if(ui.options.axis == "x") i.position.top = i.originalPosition.top; + + } +}); + +})(jQuery); |