we do not want gas factories
[unfold.git] / third-party / jquery-ui-1.10.2 / ui / jquery.ui.sortable.js
diff --git a/third-party/jquery-ui-1.10.2/ui/jquery.ui.sortable.js b/third-party/jquery-ui-1.10.2/ui/jquery.ui.sortable.js
deleted file mode 100644 (file)
index 3f5b60a..0000000
+++ /dev/null
@@ -1,1282 +0,0 @@
-/*!
- * jQuery UI Sortable 1.10.2
- * http://jqueryui.com
- *
- * Copyright 2013 jQuery Foundation and other contributors
- * Released under the MIT license.
- * http://jquery.org/license
- *
- * http://api.jqueryui.com/sortable/
- *
- * Depends:
- *     jquery.ui.core.js
- *     jquery.ui.mouse.js
- *     jquery.ui.widget.js
- */
-(function( $, undefined ) {
-
-/*jshint loopfunc: true */
-
-function isOverAxis( x, reference, size ) {
-       return ( x > reference ) && ( x < ( reference + size ) );
-}
-
-function isFloating(item) {
-       return (/left|right/).test(item.css("float")) || (/inline|table-cell/).test(item.css("display"));
-}
-
-$.widget("ui.sortable", $.ui.mouse, {
-       version: "1.10.2",
-       widgetEventPrefix: "sort",
-       ready: false,
-       options: {
-               appendTo: "parent",
-               axis: false,
-               connectWith: false,
-               containment: false,
-               cursor: "auto",
-               cursorAt: false,
-               dropOnEmpty: true,
-               forcePlaceholderSize: false,
-               forceHelperSize: false,
-               grid: false,
-               handle: false,
-               helper: "original",
-               items: "> *",
-               opacity: false,
-               placeholder: false,
-               revert: false,
-               scroll: true,
-               scrollSensitivity: 20,
-               scrollSpeed: 20,
-               scope: "default",
-               tolerance: "intersect",
-               zIndex: 1000,
-
-               // callbacks
-               activate: null,
-               beforeStop: null,
-               change: null,
-               deactivate: null,
-               out: null,
-               over: null,
-               receive: null,
-               remove: null,
-               sort: null,
-               start: null,
-               stop: null,
-               update: null
-       },
-       _create: function() {
-
-               var o = this.options;
-               this.containerCache = {};
-               this.element.addClass("ui-sortable");
-
-               //Get the items
-               this.refresh();
-
-               //Let's determine if the items are being displayed horizontally
-               this.floating = this.items.length ? o.axis === "x" || isFloating(this.items[0].item) : false;
-
-               //Let's determine the parent's offset
-               this.offset = this.element.offset();
-
-               //Initialize mouse events for interaction
-               this._mouseInit();
-
-               //We're ready to go
-               this.ready = true;
-
-       },
-
-       _destroy: function() {
-               this.element
-                       .removeClass("ui-sortable ui-sortable-disabled");
-               this._mouseDestroy();
-
-               for ( var i = this.items.length - 1; i >= 0; i-- ) {
-                       this.items[i].item.removeData(this.widgetName + "-item");
-               }
-
-               return this;
-       },
-
-       _setOption: function(key, value){
-               if ( key === "disabled" ) {
-                       this.options[ key ] = value;
-
-                       this.widget().toggleClass( "ui-sortable-disabled", !!value );
-               } else {
-                       // Don't call widget base _setOption for disable as it adds ui-state-disabled class
-                       $.Widget.prototype._setOption.apply(this, arguments);
-               }
-       },
-
-       _mouseCapture: function(event, overrideHandle) {
-               var currentItem = null,
-                       validHandle = false,
-                       that = this;
-
-               if (this.reverting) {
-                       return false;
-               }
-
-               if(this.options.disabled || this.options.type === "static") {
-                       return false;
-               }
-
-               //We have to refresh the items data once first
-               this._refreshItems(event);
-
-               //Find out if the clicked node (or one of its parents) is a actual item in this.items
-               $(event.target).parents().each(function() {
-                       if($.data(this, that.widgetName + "-item") === that) {
-                               currentItem = $(this);
-                               return false;
-                       }
-               });
-               if($.data(event.target, that.widgetName + "-item") === that) {
-                       currentItem = $(event.target);
-               }
-
-               if(!currentItem) {
-                       return false;
-               }
-               if(this.options.handle && !overrideHandle) {
-                       $(this.options.handle, currentItem).find("*").addBack().each(function() {
-                               if(this === event.target) {
-                                       validHandle = true;
-                               }
-                       });
-                       if(!validHandle) {
-                               return false;
-                       }
-               }
-
-               this.currentItem = currentItem;
-               this._removeCurrentsFromItems();
-               return true;
-
-       },
-
-       _mouseStart: function(event, overrideHandle, noActivation) {
-
-               var i, body,
-                       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 = this._createHelper(event);
-
-               //Cache the helper size
-               this._cacheHelperProportions();
-
-               /*
-                * - Position generation -
-                * This block generates everything position related - it's the core of draggables.
-                */
-
-               //Cache the margins of the original element
-               this._cacheMargins();
-
-               //Get the next scrolling parent
-               this.scrollParent = this.helper.scrollParent();
-
-               //The element's absolute position on the page minus margins
-               this.offset = this.currentItem.offset();
-               this.offset = {
-                       top: this.offset.top - this.margins.top,
-                       left: this.offset.left - this.margins.left
-               };
-
-               $.extend(this.offset, {
-                       click: { //Where the click happened, relative to the element
-                               left: event.pageX - this.offset.left,
-                               top: event.pageY - this.offset.top
-                       },
-                       parent: this._getParentOffset(),
-                       relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
-               });
-
-               // Only after we got the offset, we can change the helper's position to absolute
-               // TODO: Still need to figure out a way to make relative sorting possible
-               this.helper.css("position", "absolute");
-               this.cssPosition = this.helper.css("position");
-
-               //Generate the original position
-               this.originalPosition = this._generatePosition(event);
-               this.originalPageX = event.pageX;
-               this.originalPageY = event.pageY;
-
-               //Adjust the mouse offset relative to the helper if "cursorAt" is supplied
-               (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
-
-               //Cache the former DOM position
-               this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };
-
-               //If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
-               if(this.helper[0] !== this.currentItem[0]) {
-                       this.currentItem.hide();
-               }
-
-               //Create the placeholder
-               this._createPlaceholder();
-
-               //Set a containment if given in the options
-               if(o.containment) {
-                       this._setContainment();
-               }
-
-               if( o.cursor && o.cursor !== "auto" ) { // cursor option
-                       body = this.document.find( "body" );
-
-                       // support: IE
-                       this.storedCursor = body.css( "cursor" );
-                       body.css( "cursor", o.cursor );
-
-                       this.storedStylesheet = $( "<style>*{ cursor: "+o.cursor+" !important; }</style>" ).appendTo( body );
-               }
-
-               if(o.opacity) { // opacity option
-                       if (this.helper.css("opacity")) {
-                               this._storedOpacity = this.helper.css("opacity");
-                       }
-                       this.helper.css("opacity", o.opacity);
-               }
-
-               if(o.zIndex) { // zIndex option
-                       if (this.helper.css("zIndex")) {
-                               this._storedZIndex = this.helper.css("zIndex");
-                       }
-                       this.helper.css("zIndex", o.zIndex);
-               }
-
-               //Prepare scrolling
-               if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
-                       this.overflowOffset = this.scrollParent.offset();
-               }
-
-               //Call callbacks
-               this._trigger("start", event, this._uiHash());
-
-               //Recache the helper size
-               if(!this._preserveHelperProportions) {
-                       this._cacheHelperProportions();
-               }
-
-
-               //Post "activate" events to possible containers
-               if( !noActivation ) {
-                       for ( i = this.containers.length - 1; i >= 0; i-- ) {
-                               this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) );
-                       }
-               }
-
-               //Prepare possible droppables
-               if($.ui.ddmanager) {
-                       $.ui.ddmanager.current = this;
-               }
-
-               if ($.ui.ddmanager && !o.dropBehaviour) {
-                       $.ui.ddmanager.prepareOffsets(this, event);
-               }
-
-               this.dragging = true;
-
-               this.helper.addClass("ui-sortable-helper");
-               this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
-               return true;
-
-       },
-
-       _mouseDrag: function(event) {
-               var i, item, itemElement, intersection,
-                       o = this.options,
-                       scrolled = false;
-
-               //Compute the helpers position
-               this.position = this._generatePosition(event);
-               this.positionAbs = this._convertPositionTo("absolute");
-
-               if (!this.lastPositionAbs) {
-                       this.lastPositionAbs = this.positionAbs;
-               }
-
-               //Do scrolling
-               if(this.options.scroll) {
-                       if(this.scrollParent[0] !== document && this.scrollParent[0].tagName !== "HTML") {
-
-                               if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) {
-                                       this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
-                               } else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity) {
-                                       this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;
-                               }
-
-                               if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) {
-                                       this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
-                               } else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity) {
-                                       this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;
-                               }
-
-                       } else {
-
-                               if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) {
-                                       scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
-                               } else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) {
-                                       scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
-                               }
-
-                               if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) {
-                                       scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
-                               } else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) {
-                                       scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
-                               }
-
-                       }
-
-                       if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) {
-                               $.ui.ddmanager.prepareOffsets(this, event);
-                       }
-               }
-
-               //Regenerate the absolute position used for position checks
-               this.positionAbs = this._convertPositionTo("absolute");
-
-               //Set the helper position
-               if(!this.options.axis || this.options.axis !== "y") {
-                       this.helper[0].style.left = this.position.left+"px";
-               }
-               if(!this.options.axis || this.options.axis !== "x") {
-                       this.helper[0].style.top = this.position.top+"px";
-               }
-
-               //Rearrange
-               for (i = this.items.length - 1; i >= 0; i--) {
-
-                       //Cache variables and intersection, continue if no intersection
-                       item = this.items[i];
-                       itemElement = item.item[0];
-                       intersection = this._intersectsWithPointer(item);
-                       if (!intersection) {
-                               continue;
-                       }
-
-                       // Only put the placeholder inside the current Container, skip all
-                       // items form other containers. This works because when moving
-                       // an item from one container to another the
-                       // currentContainer is switched before the placeholder is moved.
-                       //
-                       // Without this moving items in "sub-sortables" can cause the placeholder to jitter
-                       // beetween the outer and inner container.
-                       if (item.instance !== this.currentContainer) {
-                               continue;
-                       }
-
-                       // cannot intersect with itself
-                       // no useless actions that have been done before
-                       // no action if the item moved is the parent of the item checked
-                       if (itemElement !== this.currentItem[0] &&
-                               this.placeholder[intersection === 1 ? "next" : "prev"]()[0] !== itemElement &&
-                               !$.contains(this.placeholder[0], itemElement) &&
-                               (this.options.type === "semi-dynamic" ? !$.contains(this.element[0], itemElement) : true)
-                       ) {
-
-                               this.direction = intersection === 1 ? "down" : "up";
-
-                               if (this.options.tolerance === "pointer" || this._intersectsWithSides(item)) {
-                                       this._rearrange(event, item);
-                               } else {
-                                       break;
-                               }
-
-                               this._trigger("change", event, this._uiHash());
-                               break;
-                       }
-               }
-
-               //Post events to containers
-               this._contactContainers(event);
-
-               //Interconnect with droppables
-               if($.ui.ddmanager) {
-                       $.ui.ddmanager.drag(this, event);
-               }
-
-               //Call callbacks
-               this._trigger("sort", event, this._uiHash());
-
-               this.lastPositionAbs = this.positionAbs;
-               return false;
-
-       },
-
-       _mouseStop: function(event, noPropagation) {
-
-               if(!event) {
-                       return;
-               }
-
-               //If we are using droppables, inform the manager about the drop
-               if ($.ui.ddmanager && !this.options.dropBehaviour) {
-                       $.ui.ddmanager.drop(this, event);
-               }
-
-               if(this.options.revert) {
-                       var that = this,
-                               cur = this.placeholder.offset(),
-                               axis = this.options.axis,
-                               animation = {};
-
-                       if ( !axis || axis === "x" ) {
-                               animation.left = cur.left - this.offset.parent.left - this.margins.left + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollLeft);
-                       }
-                       if ( !axis || axis === "y" ) {
-                               animation.top = cur.top - this.offset.parent.top - this.margins.top + (this.offsetParent[0] === document.body ? 0 : this.offsetParent[0].scrollTop);
-                       }
-                       this.reverting = true;
-                       $(this.helper).animate( animation, parseInt(this.options.revert, 10) || 500, function() {
-                               that._clear(event);
-                       });
-               } else {
-                       this._clear(event, noPropagation);
-               }
-
-               return false;
-
-       },
-
-       cancel: function() {
-
-               if(this.dragging) {
-
-                       this._mouseUp({ target: null });
-
-                       if(this.options.helper === "original") {
-                               this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
-                       } else {
-                               this.currentItem.show();
-                       }
-
-                       //Post deactivating events to containers
-                       for (var i = this.containers.length - 1; i >= 0; i--){
-                               this.containers[i]._trigger("deactivate", null, this._uiHash(this));
-                               if(this.containers[i].containerCache.over) {
-                                       this.containers[i]._trigger("out", null, this._uiHash(this));
-                                       this.containers[i].containerCache.over = 0;
-                               }
-                       }
-
-               }
-
-               if (this.placeholder) {
-                       //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
-                       if(this.placeholder[0].parentNode) {
-                               this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
-                       }
-                       if(this.options.helper !== "original" && this.helper && this.helper[0].parentNode) {
-                               this.helper.remove();
-                       }
-
-                       $.extend(this, {
-                               helper: null,
-                               dragging: false,
-                               reverting: false,
-                               _noFinalSort: null
-                       });
-
-                       if(this.domPosition.prev) {
-                               $(this.domPosition.prev).after(this.currentItem);
-                       } else {
-                               $(this.domPosition.parent).prepend(this.currentItem);
-                       }
-               }
-
-               return this;
-
-       },
-
-       serialize: function(o) {
-
-               var items = this._getItemsAsjQuery(o && o.connected),
-                       str = [];
-               o = o || {};
-
-               $(items).each(function() {
-                       var res = ($(o.item || this).attr(o.attribute || "id") || "").match(o.expression || (/(.+)[\-=_](.+)/));
-                       if (res) {
-                               str.push((o.key || res[1]+"[]")+"="+(o.key && o.expression ? res[1] : res[2]));
-                       }
-               });
-
-               if(!str.length && o.key) {
-                       str.push(o.key + "=");
-               }
-
-               return str.join("&");
-
-       },
-
-       toArray: function(o) {
-
-               var items = this._getItemsAsjQuery(o && o.connected),
-                       ret = [];
-
-               o = o || {};
-
-               items.each(function() { ret.push($(o.item || this).attr(o.attribute || "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,
-                       l = item.left,
-                       r = l + item.width,
-                       t = item.top,
-                       b = t + item.height,
-                       dyClick = this.offset.click.top,
-                       dxClick = this.offset.click.left,
-                       isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;
-
-               if ( this.options.tolerance === "pointer" ||
-                       this.options.forcePointerForContainers ||
-                       (this.options.tolerance !== "pointer" && this.helperProportions[this.floating ? "width" : "height"] > item[this.floating ? "width" : "height"])
-               ) {
-                       return isOverElement;
-               } 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
-
-               }
-       },
-
-       _intersectsWithPointer: function(item) {
-
-               var isOverElementHeight = (this.options.axis === "x") || isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
-                       isOverElementWidth = (this.options.axis === "y") || isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
-                       isOverElement = isOverElementHeight && isOverElementWidth,
-                       verticalDirection = this._getDragVerticalDirection(),
-                       horizontalDirection = this._getDragHorizontalDirection();
-
-               if (!isOverElement) {
-                       return false;
-               }
-
-               return this.floating ?
-                       ( ((horizontalDirection && horizontalDirection === "right") || verticalDirection === "down") ? 2 : 1 )
-                       : ( verticalDirection && (verticalDirection === "down" ? 2 : 1) );
-
-       },
-
-       _intersectsWithSides: function(item) {
-
-               var isOverBottomHalf = isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
-                       isOverRightHalf = isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
-                       verticalDirection = this._getDragVerticalDirection(),
-                       horizontalDirection = this._getDragHorizontalDirection();
-
-               if (this.floating && horizontalDirection) {
-                       return ((horizontalDirection === "right" && isOverRightHalf) || (horizontalDirection === "left" && !isOverRightHalf));
-               } else {
-                       return verticalDirection && ((verticalDirection === "down" && isOverBottomHalf) || (verticalDirection === "up" && !isOverBottomHalf));
-               }
-
-       },
-
-       _getDragVerticalDirection: function() {
-               var delta = this.positionAbs.top - this.lastPositionAbs.top;
-               return delta !== 0 && (delta > 0 ? "down" : "up");
-       },
-
-       _getDragHorizontalDirection: function() {
-               var delta = this.positionAbs.left - this.lastPositionAbs.left;
-               return delta !== 0 && (delta > 0 ? "right" : "left");
-       },
-
-       refresh: function(event) {
-               this._refreshItems(event);
-               this.refreshPositions();
-               return this;
-       },
-
-       _connectWith: function() {
-               var options = this.options;
-               return options.connectWith.constructor === String ? [options.connectWith] : options.connectWith;
-       },
-
-       _getItemsAsjQuery: function(connected) {
-
-               var i, j, cur, inst,
-                       items = [],
-                       queries = [],
-                       connectWith = this._connectWith();
-
-               if(connectWith && connected) {
-                       for (i = connectWith.length - 1; i >= 0; i--){
-                               cur = $(connectWith[i]);
-                               for ( j = cur.length - 1; j >= 0; j--){
-                                       inst = $.data(cur[j], this.widgetFullName);
-                                       if(inst && inst !== this && !inst.options.disabled) {
-                                               queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), inst]);
-                                       }
-                               }
-                       }
-               }
-
-               queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not(".ui-sortable-helper").not(".ui-sortable-placeholder"), this]);
-
-               for (i = queries.length - 1; i >= 0; i--){
-                       queries[i][0].each(function() {
-                               items.push(this);
-                       });
-               }
-
-               return $(items);
-
-       },
-
-       _removeCurrentsFromItems: function() {
-
-               var list = this.currentItem.find(":data(" + this.widgetName + "-item)");
-
-               this.items = $.grep(this.items, function (item) {
-                       for (var j=0; j < list.length; j++) {
-                               if(list[j] === item.item[0]) {
-                                       return false;
-                               }
-                       }
-                       return true;
-               });
-
-       },
-
-       _refreshItems: function(event) {
-
-               this.items = [];
-               this.containers = [this];
-
-               var i, j, cur, inst, targetData, _queries, item, queriesLength,
-                       items = this.items,
-                       queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]],
-                       connectWith = this._connectWith();
-
-               if(connectWith && this.ready) { //Shouldn't be run the first time through due to massive slow-down
-                       for (i = connectWith.length - 1; i >= 0; i--){
-                               cur = $(connectWith[i]);
-                               for (j = cur.length - 1; j >= 0; j--){
-                                       inst = $.data(cur[j], this.widgetFullName);
-                                       if(inst && inst !== this && !inst.options.disabled) {
-                                               queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
-                                               this.containers.push(inst);
-                                       }
-                               }
-                       }
-               }
-
-               for (i = queries.length - 1; i >= 0; i--) {
-                       targetData = queries[i][1];
-                       _queries = queries[i][0];
-
-                       for (j=0, queriesLength = _queries.length; j < queriesLength; j++) {
-                               item = $(_queries[j]);
-
-                               item.data(this.widgetName + "-item", targetData); // Data for target checking (mouse manager)
-
-                               items.push({
-                                       item: item,
-                                       instance: targetData,
-                                       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 && this.helper) {
-                       this.offset.parent = this._getParentOffset();
-               }
-
-               var i, item, t, p;
-
-               for (i = this.items.length - 1; i >= 0; i--){
-                       item = this.items[i];
-
-                       //We ignore calculating positions of all connected containers when we're not over them
-                       if(item.instance !== this.currentContainer && this.currentContainer && item.item[0] !== this.currentItem[0]) {
-                               continue;
-                       }
-
-                       t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;
-
-                       if (!fast) {
-                               item.width = t.outerWidth();
-                               item.height = t.outerHeight();
-                       }
-
-                       p = t.offset();
-                       item.left = p.left;
-                       item.top = p.top;
-               }
-
-               if(this.options.custom && this.options.custom.refreshContainers) {
-                       this.options.custom.refreshContainers.call(this);
-               } else {
-                       for (i = this.containers.length - 1; i >= 0; i--){
-                               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();
-                       }
-               }
-
-               return this;
-       },
-
-       _createPlaceholder: function(that) {
-               that = that || this;
-               var className,
-                       o = that.options;
-
-               if(!o.placeholder || o.placeholder.constructor === String) {
-                       className = o.placeholder;
-                       o.placeholder = {
-                               element: function() {
-
-                                       var nodeName = that.currentItem[0].nodeName.toLowerCase(),
-                                               element = $( that.document[0].createElement( nodeName ) )
-                                                       .addClass(className || that.currentItem[0].className+" ui-sortable-placeholder")
-                                                       .removeClass("ui-sortable-helper");
-
-                                       if ( nodeName === "tr" ) {
-                                               // Use a high colspan to force the td to expand the full
-                                               // width of the table (browsers are smart enough to
-                                               // handle this properly)
-                                               element.append( "<td colspan='99'>&#160;</td>" );
-                                       } else if ( nodeName === "img" ) {
-                                               element.attr( "src", that.currentItem.attr( "src" ) );
-                                       }
-
-                                       if ( !className ) {
-                                               element.css( "visibility", "hidden" );
-                                       }
-
-                                       return element;
-                               },
-                               update: function(container, p) {
-
-                                       // 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
-                                       // 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
-                                       if(className && !o.forcePlaceholderSize) {
-                                               return;
-                                       }
-
-                                       //If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
-                                       if(!p.height()) { p.height(that.currentItem.innerHeight() - parseInt(that.currentItem.css("paddingTop")||0, 10) - parseInt(that.currentItem.css("paddingBottom")||0, 10)); }
-                                       if(!p.width()) { p.width(that.currentItem.innerWidth() - parseInt(that.currentItem.css("paddingLeft")||0, 10) - parseInt(that.currentItem.css("paddingRight")||0, 10)); }
-                               }
-                       };
-               }
-
-               //Create the placeholder
-               that.placeholder = $(o.placeholder.element.call(that.element, that.currentItem));
-
-               //Append it after the actual current item
-               that.currentItem.after(that.placeholder);
-
-               //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
-               o.placeholder.update(that, that.placeholder);
-
-       },
-
-       _contactContainers: function(event) {
-               var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, base, cur, nearBottom, floating,
-                       innermostContainer = null,
-                       innermostIndex = null;
-
-               // get innermost container that intersects with item
-               for (i = this.containers.length - 1; i >= 0; i--) {
-
-                       // never consider a container that's located within the item itself
-                       if($.contains(this.currentItem[0], this.containers[i].element[0])) {
-                               continue;
-                       }
-
-                       if(this._intersectsWith(this.containers[i].containerCache)) {
-
-                               // if we've already found a container and it's more "inner" than this, then continue
-                               if(innermostContainer && $.contains(this.containers[i].element[0], innermostContainer.element[0])) {
-                                       continue;
-                               }
-
-                               innermostContainer = this.containers[i];
-                               innermostIndex = i;
-
-                       } else {
-                               // container doesn't intersect. trigger "out" event if necessary
-                               if(this.containers[i].containerCache.over) {
-                                       this.containers[i]._trigger("out", event, this._uiHash(this));
-                                       this.containers[i].containerCache.over = 0;
-                               }
-                       }
-
-               }
-
-               // if no intersecting containers found, return
-               if(!innermostContainer) {
-                       return;
-               }
-
-               // move the item into the container if it's not there already
-               if(this.containers.length === 1) {
-                       if (!this.containers[innermostIndex].containerCache.over) {
-                               this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
-                               this.containers[innermostIndex].containerCache.over = 1;
-                       }
-               } else {
-
-                       //When entering a new container, we will find the item with the least distance and append our item near it
-                       dist = 10000;
-                       itemWithLeastDistance = null;
-                       floating = innermostContainer.floating || isFloating(this.currentItem);
-                       posProperty = floating ? "left" : "top";
-                       sizeProperty = floating ? "width" : "height";
-                       base = this.positionAbs[posProperty] + this.offset.click[posProperty];
-                       for (j = this.items.length - 1; j >= 0; j--) {
-                               if(!$.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) {
-                                       continue;
-                               }
-                               if(this.items[j].item[0] === this.currentItem[0]) {
-                                       continue;
-                               }
-                               if (floating && !isOverAxis(this.positionAbs.top + this.offset.click.top, this.items[j].top, this.items[j].height)) {
-                                       continue;
-                               }
-                               cur = this.items[j].item.offset()[posProperty];
-                               nearBottom = false;
-                               if(Math.abs(cur - base) > Math.abs(cur + this.items[j][sizeProperty] - base)){
-                                       nearBottom = true;
-                                       cur += this.items[j][sizeProperty];
-                               }
-
-                               if(Math.abs(cur - base) < dist) {
-                                       dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
-                                       this.direction = nearBottom ? "up": "down";
-                               }
-                       }
-
-                       //Check if dropOnEmpty is enabled
-                       if(!itemWithLeastDistance && !this.options.dropOnEmpty) {
-                               return;
-                       }
-
-                       if(this.currentContainer === this.containers[innermostIndex]) {
-                               return;
-                       }
-
-                       itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[innermostIndex].element, true);
-                       this._trigger("change", event, this._uiHash());
-                       this.containers[innermostIndex]._trigger("change", event, this._uiHash(this));
-                       this.currentContainer = this.containers[innermostIndex];
-
-                       //Update the placeholder
-                       this.options.placeholder.update(this.currentContainer, this.placeholder);
-
-                       this.containers[innermostIndex]._trigger("over", event, this._uiHash(this));
-                       this.containers[innermostIndex].containerCache.over = 1;
-               }
-
-
-       },
-
-       _createHelper: function(event) {
-
-               var o = this.options,
-                       helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper === "clone" ? this.currentItem.clone() : this.currentItem);
-
-               //Add the helper to the DOM if that didn't happen already
-               if(!helper.parents("body").length) {
-                       $(o.appendTo !== "parent" ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);
-               }
-
-               if(helper[0] === this.currentItem[0]) {
-                       this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };
-               }
-
-               if(!helper[0].style.width || o.forceHelperSize) {
-                       helper.width(this.currentItem.width());
-               }
-               if(!helper[0].style.height || o.forceHelperSize) {
-                       helper.height(this.currentItem.height());
-               }
-
-               return helper;
-
-       },
-
-       _adjustOffsetFromHelper: function(obj) {
-               if (typeof obj === "string") {
-                       obj = obj.split(" ");
-               }
-               if ($.isArray(obj)) {
-                       obj = {left: +obj[0], top: +obj[1] || 0};
-               }
-               if ("left" in obj) {
-                       this.offset.click.left = obj.left + this.margins.left;
-               }
-               if ("right" in obj) {
-                       this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
-               }
-               if ("top" in obj) {
-                       this.offset.click.top = obj.top + this.margins.top;
-               }
-               if ("bottom" in obj) {
-                       this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
-               }
-       },
-
-       _getParentOffset: function() {
-
-
-               //Get the offsetParent and cache its position
-               this.offsetParent = this.helper.offsetParent();
-               var po = this.offsetParent.offset();
-
-               // This is a special case where we need to modify a offset calculated on start, since the following happened:
-               // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
-               // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
-               //    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
-               if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) {
-                       po.left += this.scrollParent.scrollLeft();
-                       po.top += this.scrollParent.scrollTop();
-               }
-
-               // This needs to be actually done for all browsers, since pageX/pageY includes this information
-               // with an ugly IE fix
-               if( this.offsetParent[0] === document.body || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) {
-                       po = { top: 0, left: 0 };
-               }
-
-               return {
-                       top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
-                       left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
-               };
-
-       },
-
-       _getRelativeOffset: function() {
-
-               if(this.cssPosition === "relative") {
-                       var p = this.currentItem.position();
-                       return {
-                               top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
-                               left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
-                       };
-               } else {
-                       return { top: 0, left: 0 };
-               }
-
-       },
-
-       _cacheMargins: function() {
-               this.margins = {
-                       left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
-                       top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
-               };
-       },
-
-       _cacheHelperProportions: function() {
-               this.helperProportions = {
-                       width: this.helper.outerWidth(),
-                       height: this.helper.outerHeight()
-               };
-       },
-
-       _setContainment: function() {
-
-               var ce, co, over,
-                       o = this.options;
-               if(o.containment === "parent") {
-                       o.containment = this.helper[0].parentNode;
-               }
-               if(o.containment === "document" || o.containment === "window") {
-                       this.containment = [
-                               0 - this.offset.relative.left - this.offset.parent.left,
-                               0 - this.offset.relative.top - this.offset.parent.top,
-                               $(o.containment === "document" ? document : window).width() - this.helperProportions.width - this.margins.left,
-                               ($(o.containment === "document" ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
-                       ];
-               }
-
-               if(!(/^(document|window|parent)$/).test(o.containment)) {
-                       ce = $(o.containment)[0];
-                       co = $(o.containment).offset();
-                       over = ($(ce).css("overflow") !== "hidden");
-
-                       this.containment = [
-                               co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
-                               co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
-                               co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
-                               co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
-                       ];
-               }
-
-       },
-
-       _convertPositionTo: function(d, pos) {
-
-               if(!pos) {
-                       pos = this.position;
-               }
-               var mod = d === "absolute" ? 1 : -1,
-                       scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent,
-                       scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
-
-               return {
-                       top: (
-                               pos.top +                                                                                                                               // The absolute mouse position
-                               this.offset.relative.top * mod +                                                                                // Only for relative positioned nodes: Relative offset from element to offset parent
-                               this.offset.parent.top * mod -                                                                                  // The offsetParent's offset without borders (offset + border)
-                               ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
-                       ),
-                       left: (
-                               pos.left +                                                                                                                              // The absolute mouse position
-                               this.offset.relative.left * mod +                                                                               // Only for relative positioned nodes: Relative offset from element to offset parent
-                               this.offset.parent.left * mod   -                                                                               // The offsetParent's offset without borders (offset + border)
-                               ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
-                       )
-               };
-
-       },
-
-       _generatePosition: function(event) {
-
-               var top, left,
-                       o = this.options,
-                       pageX = event.pageX,
-                       pageY = event.pageY,
-                       scroll = this.cssPosition === "absolute" && !(this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);
-
-               // This is another very weird special case that only happens for relative elements:
-               // 1. If the css position is relative
-               // 2. and the scroll parent is the document or similar to the offset parent
-               // we have to refresh the relative offset during the scroll so there are no jumps
-               if(this.cssPosition === "relative" && !(this.scrollParent[0] !== document && this.scrollParent[0] !== this.offsetParent[0])) {
-                       this.offset.relative = this._getRelativeOffset();
-               }
-
-               /*
-                * - Position constraining -
-                * Constrain the position to a mix of grid, containment.
-                */
-
-               if(this.originalPosition) { //If we are not dragging yet, we won't check for options
-
-                       if(this.containment) {
-                               if(event.pageX - this.offset.click.left < this.containment[0]) {
-                                       pageX = this.containment[0] + this.offset.click.left;
-                               }
-                               if(event.pageY - this.offset.click.top < this.containment[1]) {
-                                       pageY = this.containment[1] + this.offset.click.top;
-                               }
-                               if(event.pageX - this.offset.click.left > this.containment[2]) {
-                                       pageX = this.containment[2] + this.offset.click.left;
-                               }
-                               if(event.pageY - this.offset.click.top > this.containment[3]) {
-                                       pageY = this.containment[3] + this.offset.click.top;
-                               }
-                       }
-
-                       if(o.grid) {
-                               top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
-                               pageY = this.containment ? ( (top - this.offset.click.top >= this.containment[1] && top - this.offset.click.top <= this.containment[3]) ? top : ((top - this.offset.click.top >= this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
-
-                               left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
-                               pageX = this.containment ? ( (left - this.offset.click.left >= this.containment[0] && left - this.offset.click.left <= this.containment[2]) ? left : ((left - this.offset.click.left >= this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
-                       }
-
-               }
-
-               return {
-                       top: (
-                               pageY -                                                                                                                         // The absolute mouse position
-                               this.offset.click.top -                                                                                                 // Click offset (relative to the element)
-                               this.offset.relative.top        -                                                                                       // Only for relative positioned nodes: Relative offset from element to offset parent
-                               this.offset.parent.top +                                                                                                // The offsetParent's offset without borders (offset + border)
-                               ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
-                       ),
-                       left: (
-                               pageX -                                                                                                                         // The absolute mouse position
-                               this.offset.click.left -                                                                                                // Click offset (relative to the element)
-                               this.offset.relative.left       -                                                                                       // Only for relative positioned nodes: Relative offset from element to offset parent
-                               this.offset.parent.left +                                                                                               // The offsetParent's offset without borders (offset + border)
-                               ( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
-                       )
-               };
-
-       },
-
-       _rearrange: function(event, i, a, hardRefresh) {
-
-               a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[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 counter = this.counter;
-
-               this._delay(function() {
-                       if(counter === this.counter) {
-                               this.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
-                       }
-               });
-
-       },
-
-       _clear: function(event, noPropagation) {
-
-               this.reverting = false;
-               // We delay all events that have to be triggered to after the point where the placeholder has been removed and
-               // everything else normalized again
-               var i,
-                       delayedTriggers = [];
-
-               // We first have to update the dom position of the actual currentItem
-               // Note: don't do it if the current item is already removed (by a user), or it gets reappended (see #4088)
-               if(!this._noFinalSort && this.currentItem.parent().length) {
-                       this.placeholder.before(this.currentItem);
-               }
-               this._noFinalSort = null;
-
-               if(this.helper[0] === this.currentItem[0]) {
-                       for(i in this._storedCSS) {
-                               if(this._storedCSS[i] === "auto" || this._storedCSS[i] === "static") {
-                                       this._storedCSS[i] = "";
-                               }
-                       }
-                       this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper");
-               } else {
-                       this.currentItem.show();
-               }
-
-               if(this.fromOutside && !noPropagation) {
-                       delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
-               }
-               if((this.fromOutside || this.domPosition.prev !== this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent !== this.currentItem.parent()[0]) && !noPropagation) {
-                       delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
-               }
-
-               // Check if the items Container has Changed and trigger appropriate
-               // events.
-               if (this !== this.currentContainer) {
-                       if(!noPropagation) {
-                               delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
-                               delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.currentContainer));
-                               delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.currentContainer));
-                       }
-               }
-
-
-               //Post events to containers
-               for (i = this.containers.length - 1; i >= 0; i--){
-                       if(!noPropagation) {
-                               delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
-                       }
-                       if(this.containers[i].containerCache.over) {
-                               delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
-                               this.containers[i].containerCache.over = 0;
-                       }
-               }
-
-               //Do what was originally in plugins
-               if ( this.storedCursor ) {
-                       this.document.find( "body" ).css( "cursor", this.storedCursor );
-                       this.storedStylesheet.remove();
-               }
-               if(this._storedOpacity) {
-                       this.helper.css("opacity", this._storedOpacity);
-               }
-               if(this._storedZIndex) {
-                       this.helper.css("zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex);
-               }
-
-               this.dragging = false;
-               if(this.cancelHelperRemoval) {
-                       if(!noPropagation) {
-                               this._trigger("beforeStop", event, this._uiHash());
-                               for (i=0; i < delayedTriggers.length; i++) {
-                                       delayedTriggers[i].call(this, event);
-                               } //Trigger all delayed events
-                               this._trigger("stop", event, this._uiHash());
-                       }
-
-                       this.fromOutside = false;
-                       return false;
-               }
-
-               if(!noPropagation) {
-                       this._trigger("beforeStop", event, this._uiHash());
-               }
-
-               //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
-               this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
-
-               if(this.helper[0] !== this.currentItem[0]) {
-                       this.helper.remove();
-               }
-               this.helper = null;
-
-               if(!noPropagation) {
-                       for (i=0; i < delayedTriggers.length; i++) {
-                               delayedTriggers[i].call(this, event);
-                       } //Trigger all delayed events
-                       this._trigger("stop", event, this._uiHash());
-               }
-
-               this.fromOutside = false;
-               return true;
-
-       },
-
-       _trigger: function() {
-               if ($.Widget.prototype._trigger.apply(this, arguments) === false) {
-                       this.cancel();
-               }
-       },
-
-       _uiHash: function(_inst) {
-               var inst = _inst || this;
-               return {
-                       helper: inst.helper,
-                       placeholder: inst.placeholder || $([]),
-                       position: inst.position,
-                       originalPosition: inst.originalPosition,
-                       offset: inst.positionAbs,
-                       item: inst.currentItem,
-                       sender: _inst ? _inst.element : null
-               };
-       }
-
-});
-
-})(jQuery);