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			1074 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			1074 lines
		
	
	
		
			39 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|   | /* | ||
|  |  * jQuery UI Sortable 1.8.10 | ||
|  |  * | ||
|  |  * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 | ||
|  |  * Dual licensed under the MIT or GPL Version 2 licenses. | ||
|  |  * http://jquery.org/license
 | ||
|  |  * | ||
|  |  * http://docs.jquery.com/UI/Sortables
 | ||
|  |  * | ||
|  |  * Depends: | ||
|  |  *	jquery.ui.core.js | ||
|  |  *	jquery.ui.mouse.js | ||
|  |  *	jquery.ui.widget.js | ||
|  |  */ | ||
|  | (function( $, undefined ) { | ||
|  | 
 | ||
|  | $.widget("ui.sortable", $.ui.mouse, { | ||
|  | 	widgetEventPrefix: "sort", | ||
|  | 	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 | ||
|  | 	}, | ||
|  | 	_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 floating
 | ||
|  | 		this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false; | ||
|  | 
 | ||
|  | 		//Let's determine the parent's offset
 | ||
|  | 		this.offset = this.element.offset(); | ||
|  | 
 | ||
|  | 		//Initialize mouse events for interaction
 | ||
|  | 		this._mouseInit(); | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	destroy: function() { | ||
|  | 		this.element | ||
|  | 			.removeClass("ui-sortable ui-sortable-disabled") | ||
|  | 			.removeData("sortable") | ||
|  | 			.unbind(".sortable"); | ||
|  | 		this._mouseDestroy(); | ||
|  | 
 | ||
|  | 		for ( var i = this.items.length - 1; i >= 0; i-- ) | ||
|  | 			this.items[i].item.removeData("sortable-item"); | ||
|  | 
 | ||
|  | 		return this; | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_setOption: function(key, value){ | ||
|  | 		if ( key === "disabled" ) { | ||
|  | 			this.options[ key ] = value; | ||
|  | 	 | ||
|  | 			this.widget() | ||
|  | 				[ value ? "addClass" : "removeClass"]( "ui-sortable-disabled" ); | ||
|  | 		} 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) { | ||
|  | 
 | ||
|  | 		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
 | ||
|  | 		var currentItem = null, self = this, nodes = $(event.target).parents().each(function() { | ||
|  | 			if($.data(this, 'sortable-item') == self) { | ||
|  | 				currentItem = $(this); | ||
|  | 				return false; | ||
|  | 			} | ||
|  | 		}); | ||
|  | 		if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target); | ||
|  | 
 | ||
|  | 		if(!currentItem) return false; | ||
|  | 		if(this.options.handle && !overrideHandle) { | ||
|  | 			var validHandle = false; | ||
|  | 
 | ||
|  | 			$(this.options.handle, currentItem).find("*").andSelf().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 o = this.options, self = this; | ||
|  | 		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 | ||
|  | 		}; | ||
|  | 
 | ||
|  | 		// 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"); | ||
|  | 
 | ||
|  | 		$.extend(this.offset, { | ||
|  | 			click: { //Where the click happened, relative to the element
 | ||
|  | 				left: event.pageX - this.offset.left, | ||
|  | 				top: event.pageY - this.offset.top | ||
|  | 			}, | ||
|  | 			parent: this._getParentOffset(), | ||
|  | 			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
 | ||
|  | 		}); | ||
|  | 
 | ||
|  | 		//Generate the original position
 | ||
|  | 		this.originalPosition = this._generatePosition(event); | ||
|  | 		this.originalPageX = event.pageX; | ||
|  | 		this.originalPageY = event.pageY; | ||
|  | 
 | ||
|  | 		//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
 | ||
|  | 		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)); | ||
|  | 
 | ||
|  | 		//Cache the former DOM position
 | ||
|  | 		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] }; | ||
|  | 
 | ||
|  | 		//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
 | ||
|  | 		if(this.helper[0] != this.currentItem[0]) { | ||
|  | 			this.currentItem.hide(); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		//Create the placeholder
 | ||
|  | 		this._createPlaceholder(); | ||
|  | 
 | ||
|  | 		//Set a containment if given in the options
 | ||
|  | 		if(o.containment) | ||
|  | 			this._setContainment(); | ||
|  | 
 | ||
|  | 		if(o.cursor) { // cursor option
 | ||
|  | 			if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor"); | ||
|  | 			$('body').css("cursor", o.cursor); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if(o.opacity) { // opacity option
 | ||
|  | 			if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity"); | ||
|  | 			this.helper.css("opacity", o.opacity); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if(o.zIndex) { // zIndex option
 | ||
|  | 			if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex"); | ||
|  | 			this.helper.css("zIndex", o.zIndex); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		//Prepare scrolling
 | ||
|  | 		if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') | ||
|  | 			this.overflowOffset = this.scrollParent.offset(); | ||
|  | 
 | ||
|  | 		//Call callbacks
 | ||
|  | 		this._trigger("start", event, this._uiHash()); | ||
|  | 
 | ||
|  | 		//Recache the helper size
 | ||
|  | 		if(!this._preserveHelperProportions) | ||
|  | 			this._cacheHelperProportions(); | ||
|  | 
 | ||
|  | 
 | ||
|  | 		//Post 'activate' events to possible containers
 | ||
|  | 		if(!noActivation) { | ||
|  | 			 for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); } | ||
|  | 		} | ||
|  | 
 | ||
|  | 		//Prepare possible droppables
 | ||
|  | 		if($.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) { | ||
|  | 
 | ||
|  | 		//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) { | ||
|  | 			var o = this.options, scrolled = false; | ||
|  | 			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) | ||
|  | 				$.ui.ddmanager.prepareOffsets(this, event); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		//Regenerate the absolute position used for position checks
 | ||
|  | 		this.positionAbs = this._convertPositionTo("absolute"); | ||
|  | 
 | ||
|  | 		//Set the helper position
 | ||
|  | 		if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; | ||
|  | 		if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; | ||
|  | 
 | ||
|  | 		//Rearrange
 | ||
|  | 		for (var i = this.items.length - 1; i >= 0; i--) { | ||
|  | 
 | ||
|  | 			//Cache variables and intersection, continue if no intersection
 | ||
|  | 			var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item); | ||
|  | 			if (!intersection) continue; | ||
|  | 
 | ||
|  | 			if(itemElement != this.currentItem[0] //cannot intersect with itself
 | ||
|  | 				&&	this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
 | ||
|  | 				&&	!$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
 | ||
|  | 				&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true) | ||
|  | 				//&& itemElement.parentNode == this.placeholder[0].parentNode // only rearrange items within the same container
 | ||
|  | 			) { | ||
|  | 
 | ||
|  | 				this.direction = intersection == 1 ? "down" : "up"; | ||
|  | 
 | ||
|  | 				if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) { | ||
|  | 					this._rearrange(event, item); | ||
|  | 				} else { | ||
|  | 					break; | ||
|  | 				} | ||
|  | 
 | ||
|  | 				this._trigger("change", event, this._uiHash()); | ||
|  | 				break; | ||
|  | 			} | ||
|  | 		} | ||
|  | 
 | ||
|  | 		//Post events to containers
 | ||
|  | 		this._contactContainers(event); | ||
|  | 
 | ||
|  | 		//Interconnect with droppables
 | ||
|  | 		if($.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 self = this; | ||
|  | 			var cur = self.placeholder.offset(); | ||
|  | 
 | ||
|  | 			self.reverting = true; | ||
|  | 
 | ||
|  | 			$(this.helper).animate({ | ||
|  | 				left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft), | ||
|  | 				top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) | ||
|  | 			}, parseInt(this.options.revert, 10) || 500, function() { | ||
|  | 				self._clear(event); | ||
|  | 			}); | ||
|  | 		} else { | ||
|  | 			this._clear(event, noPropagation); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return false; | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	cancel: function() { | ||
|  | 
 | ||
|  | 		var self = this; | ||
|  | 
 | ||
|  | 		if(this.dragging) { | ||
|  | 
 | ||
|  | 			this._mouseUp({ target: null }); | ||
|  | 
 | ||
|  | 			if(this.options.helper == "original") | ||
|  | 				this.currentItem.css(this._storedCSS).removeClass("ui-sortable-helper"); | ||
|  | 			else | ||
|  | 				this.currentItem.show(); | ||
|  | 
 | ||
|  | 			//Post deactivating events to containers
 | ||
|  | 			for (var i = this.containers.length - 1; i >= 0; i--){ | ||
|  | 				this.containers[i]._trigger("deactivate", null, self._uiHash(this)); | ||
|  | 				if(this.containers[i].containerCache.over) { | ||
|  | 					this.containers[i]._trigger("out", null, self._uiHash(this)); | ||
|  | 					this.containers[i].containerCache.over = 0; | ||
|  | 				} | ||
|  | 			} | ||
|  | 
 | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if (this.placeholder) { | ||
|  | 			//$(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); | ||
|  | 		var 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); | ||
|  | 		var 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; | ||
|  | 
 | ||
|  | 		var l = item.left, | ||
|  | 			r = l + item.width, | ||
|  | 			t = item.top, | ||
|  | 			b = t + item.height; | ||
|  | 
 | ||
|  | 		var dyClick = this.offset.click.top, | ||
|  | 			dxClick = this.offset.click.left; | ||
|  | 
 | ||
|  | 		var 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 = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height), | ||
|  | 			isOverElementWidth = $.ui.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 = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height), | ||
|  | 			isOverRightHalf = $.ui.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 self = this; | ||
|  | 		var items = []; | ||
|  | 		var queries = []; | ||
|  | 		var connectWith = this._connectWith(); | ||
|  | 
 | ||
|  | 		if(connectWith && connected) { | ||
|  | 			for (var i = connectWith.length - 1; i >= 0; i--){ | ||
|  | 				var cur = $(connectWith[i]); | ||
|  | 				for (var j = cur.length - 1; j >= 0; j--){ | ||
|  | 					var inst = $.data(cur[j], 'sortable'); | ||
|  | 					if(inst && inst != this && !inst.options.disabled) { | ||
|  | 						queries.push([$.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 (var i = queries.length - 1; i >= 0; i--){ | ||
|  | 			queries[i][0].each(function() { | ||
|  | 				items.push(this); | ||
|  | 			}); | ||
|  | 		}; | ||
|  | 
 | ||
|  | 		return $(items); | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_removeCurrentsFromItems: function() { | ||
|  | 
 | ||
|  | 		var list = this.currentItem.find(":data(sortable-item)"); | ||
|  | 
 | ||
|  | 		for (var i=0; i < this.items.length; i++) { | ||
|  | 
 | ||
|  | 			for (var j=0; j < list.length; j++) { | ||
|  | 				if(list[j] == this.items[i].item[0]) | ||
|  | 					this.items.splice(i,1); | ||
|  | 			}; | ||
|  | 
 | ||
|  | 		}; | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_refreshItems: function(event) { | ||
|  | 
 | ||
|  | 		this.items = []; | ||
|  | 		this.containers = [this]; | ||
|  | 		var items = this.items; | ||
|  | 		var self = this; | ||
|  | 		var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]]; | ||
|  | 		var connectWith = this._connectWith(); | ||
|  | 
 | ||
|  | 		if(connectWith) { | ||
|  | 			for (var i = connectWith.length - 1; i >= 0; i--){ | ||
|  | 				var cur = $(connectWith[i]); | ||
|  | 				for (var j = cur.length - 1; j >= 0; j--){ | ||
|  | 					var inst = $.data(cur[j], 'sortable'); | ||
|  | 					if(inst && inst != this && !inst.options.disabled) { | ||
|  | 						queries.push([$.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 (var i = queries.length - 1; i >= 0; i--) { | ||
|  | 			var targetData = queries[i][1]; | ||
|  | 			var _queries = queries[i][0]; | ||
|  | 
 | ||
|  | 			for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) { | ||
|  | 				var item = $(_queries[j]); | ||
|  | 
 | ||
|  | 				item.data('sortable-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(); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		for (var i = this.items.length - 1; i >= 0; i--){ | ||
|  | 			var item = this.items[i]; | ||
|  | 
 | ||
|  | 			var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item; | ||
|  | 
 | ||
|  | 			if (!fast) { | ||
|  | 				item.width = t.outerWidth(); | ||
|  | 				item.height = t.outerHeight(); | ||
|  | 			} | ||
|  | 
 | ||
|  | 			var 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 (var i = this.containers.length - 1; i >= 0; i--){ | ||
|  | 				var p = this.containers[i].element.offset(); | ||
|  | 				this.containers[i].containerCache.left = p.left; | ||
|  | 				this.containers[i].containerCache.top = p.top; | ||
|  | 				this.containers[i].containerCache.width	= this.containers[i].element.outerWidth(); | ||
|  | 				this.containers[i].containerCache.height = this.containers[i].element.outerHeight(); | ||
|  | 			}; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		return this; | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_createPlaceholder: function(that) { | ||
|  | 
 | ||
|  | 		var self = that || this, o = self.options; | ||
|  | 
 | ||
|  | 		if(!o.placeholder || o.placeholder.constructor == String) { | ||
|  | 			var className = o.placeholder; | ||
|  | 			o.placeholder = { | ||
|  | 				element: function() { | ||
|  | 
 | ||
|  | 					var el = $(document.createElement(self.currentItem[0].nodeName)) | ||
|  | 						.addClass(className || self.currentItem[0].className+" ui-sortable-placeholder") | ||
|  | 						.removeClass("ui-sortable-helper")[0]; | ||
|  | 
 | ||
|  | 					if(!className) | ||
|  | 						el.style.visibility = "hidden"; | ||
|  | 
 | ||
|  | 					return el; | ||
|  | 				}, | ||
|  | 				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(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10)); }; | ||
|  | 					if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10)); }; | ||
|  | 				} | ||
|  | 			}; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		//Create the placeholder
 | ||
|  | 		self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem)); | ||
|  | 
 | ||
|  | 		//Append it after the actual current item
 | ||
|  | 		self.currentItem.after(self.placeholder); | ||
|  | 
 | ||
|  | 		//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
 | ||
|  | 		o.placeholder.update(self, self.placeholder); | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_contactContainers: function(event) { | ||
|  | 		 | ||
|  | 		// get innermost container that intersects with item 
 | ||
|  | 		var innermostContainer = null, innermostIndex = null;		 | ||
|  | 		 | ||
|  | 		 | ||
|  | 		for (var i = this.containers.length - 1; i >= 0; i--){ | ||
|  | 
 | ||
|  | 			// never consider a container that's located within the item itself 
 | ||
|  | 			if($.ui.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 && $.ui.contains(this.containers[i].element[0], innermostContainer.element[0])) | ||
|  | 					continue; | ||
|  | 
 | ||
|  | 				innermostContainer = this.containers[i];  | ||
|  | 				innermostIndex = i; | ||
|  | 					 | ||
|  | 			} else { | ||
|  | 				// container doesn't intersect. trigger "out" event if necessary 
 | ||
|  | 				if(this.containers[i].containerCache.over) { | ||
|  | 					this.containers[i]._trigger("out", event, this._uiHash(this)); | ||
|  | 					this.containers[i].containerCache.over = 0; | ||
|  | 				} | ||
|  | 			} | ||
|  | 
 | ||
|  | 		} | ||
|  | 		 | ||
|  | 		// if no intersecting containers found, return 
 | ||
|  | 		if(!innermostContainer) return;  | ||
|  | 
 | ||
|  | 		// move the item into the container if it's not there already
 | ||
|  | 		if(this.containers.length === 1) { | ||
|  | 			this.containers[innermostIndex]._trigger("over", event, this._uiHash(this)); | ||
|  | 			this.containers[innermostIndex].containerCache.over = 1; | ||
|  | 		} else if(this.currentContainer != this.containers[innermostIndex]) {  | ||
|  | 
 | ||
|  | 			//When entering a new container, we will find the item with the least distance and append our item near it 
 | ||
|  | 			var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[innermostIndex].floating ? 'left' : 'top'];  | ||
|  | 			for (var j = this.items.length - 1; j >= 0; j--) {  | ||
|  | 				if(!$.ui.contains(this.containers[innermostIndex].element[0], this.items[j].item[0])) continue;  | ||
|  | 				var cur = this.items[j][this.containers[innermostIndex].floating ? 'left' : 'top'];  | ||
|  | 				if(Math.abs(cur - base) < dist) {  | ||
|  | 					dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];  | ||
|  | 				}  | ||
|  | 			}  | ||
|  | 
 | ||
|  | 			if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled 
 | ||
|  | 				return;  | ||
|  | 
 | ||
|  | 			this.currentContainer = this.containers[innermostIndex];  | ||
|  | 			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));  | ||
|  | 
 | ||
|  | 			//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; | ||
|  | 		var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event, this.currentItem])) : (o.helper == 'clone' ? this.currentItem.clone() : this.currentItem); | ||
|  | 
 | ||
|  | 		if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
 | ||
|  | 			$(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]); | ||
|  | 
 | ||
|  | 		if(helper[0] == this.currentItem[0]) | ||
|  | 			this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") }; | ||
|  | 
 | ||
|  | 		if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width()); | ||
|  | 		if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height()); | ||
|  | 
 | ||
|  | 		return helper; | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_adjustOffsetFromHelper: function(obj) { | ||
|  | 		if (typeof obj == 'string') { | ||
|  | 			obj = obj.split(' '); | ||
|  | 		} | ||
|  | 		if ($.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 && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) { | ||
|  | 			po.left += this.scrollParent.scrollLeft(); | ||
|  | 			po.top += this.scrollParent.scrollTop(); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
 | ||
|  | 		|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
 | ||
|  | 			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 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)) { | ||
|  | 			var ce = $(o.containment)[0]; | ||
|  | 			var co = $(o.containment).offset(); | ||
|  | 			var over = ($(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; | ||
|  | 		var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); | ||
|  | 
 | ||
|  | 		return { | ||
|  | 			top: ( | ||
|  | 				pos.top																	// The absolute mouse position
 | ||
|  | 				+ this.offset.relative.top * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
 | ||
|  | 				+ this.offset.parent.top * mod											// The offsetParent's offset without borders (offset + border)
 | ||
|  | 				- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( 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)
 | ||
|  | 				- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) | ||
|  | 			) | ||
|  | 		}; | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_generatePosition: function(event) { | ||
|  | 
 | ||
|  | 		var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.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(); | ||
|  | 		} | ||
|  | 
 | ||
|  | 		var pageX = event.pageX; | ||
|  | 		var pageY = event.pageY; | ||
|  | 
 | ||
|  | 		/* | ||
|  | 		 * - 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) { | ||
|  | 				var 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; | ||
|  | 
 | ||
|  | 				var 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)
 | ||
|  | 				+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( 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)
 | ||
|  | 				+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( 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 self = this, counter = this.counter; | ||
|  | 
 | ||
|  | 		window.setTimeout(function() { | ||
|  | 			if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
 | ||
|  | 		},0); | ||
|  | 
 | ||
|  | 	}, | ||
|  | 
 | ||
|  | 	_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 delayedTriggers = [], self = this; | ||
|  | 
 | ||
|  | 		// 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[0].parentNode) this.placeholder.before(this.currentItem); | ||
|  | 		this._noFinalSort = null; | ||
|  | 
 | ||
|  | 		if(this.helper[0] == this.currentItem[0]) { | ||
|  | 			for(var 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
 | ||
|  | 		if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
 | ||
|  | 			if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); }); | ||
|  | 			for (var i = this.containers.length - 1; i >= 0; i--){ | ||
|  | 				if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) { | ||
|  | 					delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.containers[i])); | ||
|  | 					delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.containers[i])); | ||
|  | 				} | ||
|  | 			}; | ||
|  | 		}; | ||
|  | 
 | ||
|  | 		//Post events to containers
 | ||
|  | 		for (var 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) $('body').css("cursor", this._storedCursor); //Reset cursor
 | ||
|  | 		if(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset opacity
 | ||
|  | 		if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index
 | ||
|  | 
 | ||
|  | 		this.dragging = false; | ||
|  | 		if(this.cancelHelperRemoval) { | ||
|  | 			if(!noPropagation) { | ||
|  | 				this._trigger("beforeStop", event, this._uiHash()); | ||
|  | 				for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
 | ||
|  | 				this._trigger("stop", event, this._uiHash()); | ||
|  | 			} | ||
|  | 			return false; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		if(!noPropagation) this._trigger("beforeStop", event, this._uiHash()); | ||
|  | 
 | ||
|  | 		//$(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 (var 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 self = inst || this; | ||
|  | 		return { | ||
|  | 			helper: self.helper, | ||
|  | 			placeholder: self.placeholder || $([]), | ||
|  | 			position: self.position, | ||
|  | 			originalPosition: self.originalPosition, | ||
|  | 			offset: self.positionAbs, | ||
|  | 			item: self.currentItem, | ||
|  | 			sender: inst ? inst.element : null | ||
|  | 		}; | ||
|  | 	} | ||
|  | 
 | ||
|  | }); | ||
|  | 
 | ||
|  | $.extend($.ui.sortable, { | ||
|  | 	version: "1.8.10" | ||
|  | }); | ||
|  | 
 | ||
|  | })(jQuery); |