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sortable.js (46033B)

---

 /*!
  * jQuery UI Sortable 1.12.1
  * http://jqueryui.com
  *
  * Copyright jQuery Foundation and other contributors
  * Released under the MIT license.
  * http://jquery.org/license
  */
 
 //>>label: Sortable
 //>>group: Interactions
 //>>description: Enables items in a list to be sorted using the mouse.
 //>>docs: http://api.jqueryui.com/sortable/
 //>>demos: http://jqueryui.com/sortable/
 //>>css.structure: ../../themes/base/sortable.css
 
 ( function( factory ) {
 	if ( typeof define === "function" && define.amd ) {
 
 		// AMD. Register as an anonymous module.
 		define( [
 			"jquery",
 			"./mouse",
 			"./core"
 		], factory );
 	} else {
 
 		// Browser globals
 		factory( jQuery );
 	}
 }( function( $ ) {
 
 return $.widget( "ui.sortable", $.ui.mouse, {
 	version: "1.12.1",
 	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
 	},
 
 	_isOverAxis: function( x, reference, size ) {
 		return ( x >= reference ) && ( x < ( reference + size ) );
 	},
 
 	_isFloating: function( item ) {
 		return ( /left|right/ ).test( item.css( "float" ) ) ||
 			( /inline|table-cell/ ).test( item.css( "display" ) );
 	},
 
 	_create: function() {
 		this.containerCache = {};
 		this._addClass( "ui-sortable" );
 
 		//Get the items
 		this.refresh();
 
 		//Let's determine the parent's offset
 		this.offset = this.element.offset();
 
 		//Initialize mouse events for interaction
 		this._mouseInit();
 
 		this._setHandleClassName();
 
 		//We're ready to go
 		this.ready = true;
 
 	},
 
 	_setOption: function( key, value ) {
 		this._super( key, value );
 
 		if ( key === "handle" ) {
 			this._setHandleClassName();
 		}
 	},
 
 	_setHandleClassName: function() {
 		var that = this;
 		this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" );
 		$.each( this.items, function() {
 			that._addClass(
 				this.instance.options.handle ?
 					this.item.find( this.instance.options.handle ) :
 					this.item,
 				"ui-sortable-handle"
 			);
 		} );
 	},
 
 	_destroy: function() {
 		this._mouseDestroy();
 
 		for ( var i = this.items.length - 1; i >= 0; i-- ) {
 			this.items[ i ].item.removeData( this.widgetName + "-item" );
 		}
 
 		return this;
 	},
 
 	_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(),
 
 			// This is a relative to absolute position minus the actual position calculation -
 			// only used for relative positioned helper
 			relative: this._getRelativeOffset()
 		} );
 
 		// 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 ] !== this.document[ 0 ] &&
 				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._addClass( this.helper, "ui-sortable-helper" );
 
 		// Execute the drag once - this causes the helper not to be visiblebefore getting its
 		// correct position
 		this._mouseDrag( event );
 		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 ] !== this.document[ 0 ] &&
 					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 - this.document.scrollTop() < o.scrollSensitivity ) {
 					scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed );
 				} else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) <
 						o.scrollSensitivity ) {
 					scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed );
 				}
 
 				if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) {
 					scrolled = this.document.scrollLeft(
 						this.document.scrollLeft() - o.scrollSpeed
 					);
 				} else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) <
 						o.scrollSensitivity ) {
 					scrolled = this.document.scrollLeft(
 						this.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 from 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 between 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 ] === this.document[ 0 ].body ?
 						0 :
 						this.offsetParent[ 0 ].scrollLeft
 					);
 			}
 			if ( !axis || axis === "y" ) {
 				animation.top = cur.top - this.offset.parent.top - this.margins.top +
 					( this.offsetParent[ 0 ] === this.document[ 0 ].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( new $.Event( "mouseup", { target: null } ) );
 
 			if ( this.options.helper === "original" ) {
 				this.currentItem.css( this._storedCSS );
 				this._removeClass( this.currentItem, "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,
 			isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t &&
 				( y1 + dyClick ) < b ),
 			isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l &&
 				( x1 + dxClick ) < r ),
 			isOverElement = isOverElementHeight && isOverElementWidth;
 
 		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 verticalDirection, horizontalDirection,
 			isOverElementHeight = ( this.options.axis === "x" ) ||
 				this._isOverAxis(
 					this.positionAbs.top + this.offset.click.top, item.top, item.height ),
 			isOverElementWidth = ( this.options.axis === "y" ) ||
 				this._isOverAxis(
 					this.positionAbs.left + this.offset.click.left, item.left, item.width ),
 			isOverElement = isOverElementHeight && isOverElementWidth;
 
 		if ( !isOverElement ) {
 			return false;
 		}
 
 		verticalDirection = this._getDragVerticalDirection();
 		horizontalDirection = this._getDragHorizontalDirection();
 
 		return this.floating ?
 			( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 )
 			: ( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) );
 
 	},
 
 	_intersectsWithSides: function( item ) {
 
 		var isOverBottomHalf = this._isOverAxis( this.positionAbs.top +
 				this.offset.click.top, item.top + ( item.height / 2 ), item.height ),
 			isOverRightHalf = this._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._setHandleClassName();
 		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 ], this.document[ 0 ] );
 				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 ] );
 
 		function addItems() {
 			items.push( this );
 		}
 		for ( i = queries.length - 1; i >= 0; i-- ) {
 			queries[ i ][ 0 ].each( addItems );
 		}
 
 		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();
 
 		//Shouldn't be run the first time through due to massive slow-down
 		if ( connectWith && this.ready ) {
 			for ( i = connectWith.length - 1; i >= 0; i-- ) {
 				cur = $( connectWith[ i ], this.document[ 0 ] );
 				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 ] );
 
 				// Data for target checking (mouse manager)
 				item.data( this.widgetName + "-item", targetData );
 
 				items.push( {
 					item: item,
 					instance: targetData,
 					width: 0, height: 0,
 					left: 0, top: 0
 				} );
 			}
 		}
 
 	},
 
 	refreshPositions: function( fast ) {
 
 		// Determine whether items are being displayed horizontally
 		this.floating = this.items.length ?
 			this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) :
 			false;
 
 		//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 = $( "<" + nodeName + ">", that.document[ 0 ] );
 
 						that._addClass( element, "ui-sortable-placeholder",
 								className || that.currentItem[ 0 ].className )
 							._removeClass( element, "ui-sortable-helper" );
 
 					if ( nodeName === "tbody" ) {
 						that._createTrPlaceholder(
 							that.currentItem.find( "tr" ).eq( 0 ),
 							$( "<tr>", that.document[ 0 ] ).appendTo( element )
 						);
 					} else if ( nodeName === "tr" ) {
 						that._createTrPlaceholder( that.currentItem, element );
 					} 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 );
 
 	},
 
 	_createTrPlaceholder: function( sourceTr, targetTr ) {
 		var that = this;
 
 		sourceTr.children().each( function() {
 			$( "<td>&#160;</td>", that.document[ 0 ] )
 				.attr( "colspan", $( this ).attr( "colspan" ) || 1 )
 				.appendTo( targetTr );
 		} );
 	},
 
 	_contactContainers: function( event ) {
 		var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom,
 			floating, axis,
 			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 || this._isFloating( this.currentItem );
 			posProperty = floating ? "left" : "top";
 			sizeProperty = floating ? "width" : "height";
 			axis = floating ? "pageX" : "pageY";
 
 			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;
 				}
 
 				cur = this.items[ j ].item.offset()[ posProperty ];
 				nearBottom = false;
 				if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) {
 					nearBottom = true;
 				}
 
 				if ( Math.abs( event[ axis ] - cur ) < dist ) {
 					dist = Math.abs( event[ axis ] - cur );
 					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 ] ) {
 				if ( !this.currentContainer.containerCache.over ) {
 					this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() );
 					this.currentContainer.containerCache.over = 1;
 				}
 				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 ] !== this.document[ 0 ] &&
 				$.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 ] === this.document[ 0 ].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" ?
 					this.document.width() :
 					this.window.width() - this.helperProportions.width - this.margins.left,
 				( o.containment === "document" ?
 					( this.document.height() || document.body.parentNode.scrollHeight ) :
 					this.window.height() || this.document[ 0 ].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 ] !== this.document[ 0 ] &&
 				$.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ?
 					this.offsetParent :
 					this.scrollParent,
 			scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName );
 
 		return {
 			top: (
 
 				// The absolute mouse position
 				pos.top	+
 
 				// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.relative.top * mod +
 
 				// The offsetParent's offset without borders (offset + border)
 				this.offset.parent.top * mod -
 				( ( this.cssPosition === "fixed" ?
 					-this.scrollParent.scrollTop() :
 					( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod )
 			),
 			left: (
 
 				// The absolute mouse position
 				pos.left +
 
 				// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.relative.left * mod +
 
 				// The offsetParent's offset without borders (offset + border)
 				this.offset.parent.left * mod	-
 				( ( 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 ] !== this.document[ 0 ] &&
 				$.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 ] !== this.document[ 0 ] &&
 				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: (
 
 				// The absolute mouse position
 				pageY -
 
 				// Click offset (relative to the element)
 				this.offset.click.top -
 
 				// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.relative.top -
 
 				// The offsetParent's offset without borders (offset + border)
 				this.offset.parent.top +
 				( ( this.cssPosition === "fixed" ?
 					-this.scrollParent.scrollTop() :
 					( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) )
 			),
 			left: (
 
 				// The absolute mouse position
 				pageX -
 
 				// Click offset (relative to the element)
 				this.offset.click.left -
 
 				// Only for relative positioned nodes: Relative offset from element to offset parent
 				this.offset.relative.left -
 
 				// The offsetParent's offset without borders (offset + border)
 				this.offset.parent.left +
 				( ( 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 ) {
 
 				//Precompute after each DOM insertion, NOT on mousemove
 				this.refreshPositions( !hardRefresh );
 			}
 		} );
 
 	},
 
 	_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 );
 			this._removeClass( this.currentItem, "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 ) {
 
 			// Trigger update callback if the DOM position has changed
 			delayedTriggers.push( function( event ) {
 				this._trigger( "update", event, this._uiHash() );
 			} );
 		}
 
 		// 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
 		function delayEvent( type, instance, container ) {
 			return function( event ) {
 				container._trigger( type, event, instance._uiHash( instance ) );
 			};
 		}
 		for ( i = this.containers.length - 1; i >= 0; i-- ) {
 			if ( !noPropagation ) {
 				delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) );
 			}
 			if ( this.containers[ i ].containerCache.over ) {
 				delayedTriggers.push( delayEvent( "out", 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 ( !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.cancelHelperRemoval ) {
 			if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) {
 				this.helper.remove();
 			}
 			this.helper = null;
 		}
 
 		if ( !noPropagation ) {
 			for ( i = 0; i < delayedTriggers.length; i++ ) {
 
 				// Trigger all delayed events
 				delayedTriggers[ i ].call( this, event );
 			}
 			this._trigger( "stop", event, this._uiHash() );
 		}
 
 		this.fromOutside = false;
 		return !this.cancelHelperRemoval;
 
 	},
 
 	_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
 		};
 	}
 
 } );
 
 } ) );