jquery 鼠标拖动排序Li或Table

标签：jquery 鼠标拖动排序li或tabl

1、前端页面

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td{margin:0;padding:0;}
table{border-collapse:collapse;border-spacing:0;}
ol,ul{list-style:none;}
 
a{color:#333;text-decoration:none;}
a:hover{color:#f30;text-decoration:underline}

body{font-family:"宋体",Arail,verdana;font-size:12px;line-height:1.5em;color:#222;background:#fff ;}


.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;}
.clearfix{display:block;}
* html .clearfix{height:1%;}
.clear{clear:both;}

/*文本对齐*/
.tr{text-align:right}
.tl{text-align:left;}
.tc{text-align:center;}

/*浮动*/
.fn-fl{float:left;}
.fn-fr{float:right;}

.m5{margin:5px;} .m10{margin:10px;} 
.mt5 { margin-top:5px;}.mr5 { margin-right:5px;}.mb5 { margin-bottom:5px;}.ml5 { margin-left:5px;}
.mt10 { margin-top:10px;}.mr10 { margin-right:10px;}.mb10 { margin-bottom:10px;}.ml10 { margin-left:10px;}

.p5{padding:5px;} .p10{padding:10px;} 
.pt5 { padding-top:5px;}.pr5 { padding-right:5px;}.pb5 { padding-bottom:5px;}.pl5 { padding-left:5px;}
.pt10 { padding-top:10px;}.pr10 { padding-right:10px;}.pb10 { padding-bottom:10px;}.pl10 { padding-left:10px;}

.mt30{margin-top:30px;}.mb30{margin-bottom:30px;}
.pt30{padding-top:30px;}.pb30{padding-bottom:30px;}

/*无效状态*/
input[disabled], select[disabled], textarea[disabled], input[readonly], select[readonly], textarea[readonly] {background-color: #eee;cursor: not-allowed;box-shadow:none;opacity:0.5}

/*下拉列表*/
select{border:1px solid #ccc;border-radius:3px;padding:1px 2px;}

/*输入框*/
input:-moz-placeholder,textarea:-moz-placeholder {color: #999999;}
input:-ms-input-placeholder,textarea:-ms-input-placeholder {color: #999999;}
input::-webkit-input-placeholder,textarea::-webkit-input-placeholder {color: #999999;}

.txt,textarea,input[type="text"], input[type="password"] {border: 1px solid #ccc;box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset;transition: border 0.2s linear 0s, box-shadow 0.2s linear 0s;border-radius:3px;padding:2px 3px;}
.txt:focus,textarea:focus,input[type="text"]:focus, input[type="password"]:focus {border: 1px solid #2C5193;box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset, 0 0 8px rgba(44, 81, 147, 0.6);}
.txta{font-size:12px;line-height:18px;}
.txt20{width:20px;}
.txt30{width:30px;}
.txt50{width:50px;}
.txt75{width:75px;}
.txt85{width:85px;}
.txt100{width:100px;}
.txt125{width:125px;}
.txt150{width:150px;}
.txt175{width:175px;}
.txt200{width:200px;}
.txt250{width:250px;}
.txt280{width:280px;}
.txt300{width:300px;}
.txt350{width:350px;}
.txt400{width:400px;}

/*标准表格*/
.fn-table{width:100%;}
.fn-table>tbody>tr>td{padding:3px;background:#fff;border:1px solid #CEDCED;}
.fn-table>tbody>tr>th{background:#E3F5FF;padding:2px;border:1px solid #CEDCED;font-weight:bold;}

.fn-table-space>tbody>tr:nth-child(2n+1)>td{background:#efefef;}

/*细线表格*/
.fn-table-line>tbody>tr>td{}

/*鼠标hover表格*/
.fn-table-mouse>tbody>tr:nth-child(2n+1)>td{background:#efefef;}
.fn-table tr.on>tbody>tr>td,.fn-table-mouse>tbody>tr:hover>td{background:#FCF8E3;}

/*功能表格*/
.fn-table-function>tbody>tr>td:nth-child(2n+1){background:#E3F5FF;text-align:right;font-weight:bold;}
.fn-table-function>tbody>tr>td:first-child{background:#E3F5FF;text-align:right;font-weight:bold;}

/*干净表格*/
.fn-table-clear{}
.fn-table-clear>tbody>tr>td{padding:3px;background:#fff;border:none;}
.fn-table-clear>tbody>tr>th{background:#E3F5FF;padding:3px;border:none;}

/*iframe 头部样式，仅后台部分案例*/
.fn-iframe-hd{padding:2px 5px;background:#2C5193;margin-bottom:30px;line-height:22px;height:22px;color:#fff;position:fixed;left:0;top:0;width:100%;}
.fn-iframe-hd .close{background:url(/Manager/Themes/images/icons/closed.png) no-repeat center center;float:right;width:14px;height:13px;cursor:pointer;padding:4px 5px;margin-right:10px;}
.fn-iframe-hd .close:hover{opacity:0.8;}
.fn-iframe-hd .tt{float:left;font-weight:bold;}

/*标准Tab选项卡*/
.fn-tab .hd li{float:left;margin-right:2px;padding:2px 5px;border:1px solid #2C5193;border-radius:5px 5px 0 0;cursor:pointer;background:#2C5193;color:#fff;}
.fn-tab .hd li.on{background:#4B8AF9;color:#fff;border:1px solid #4B8AF9;border-bottom:0;}
.fn-tab .bd{border:1px solid #ddd;padding:3px;margin-top:-1px;}
.fn-tab .bd div.item{display:none;}
.fn-tab .bd div.on{display:block;}

/*搜索框*/
.fn-searchbar{border:1px solid #CEDCED;padding:2px;border-radius:3px;}
.fn-searchbar input,.fn-searchbar select{vertical-align:middle;}

/*分页*/
.fn-pager{background:#E3F5FF;border:1px solid #CEDCED;margin:0 0 5px;border-top:0;}
.fn-pager div{line-height:26px;white-space:nowrap;word-break:break-all;}
.fn-pager input{margin-left:5px;}
.fn-pager a{border:1px solid #E3F5FF;padding:3px 5px;}
.fn-pager span.on{background:#2C5193;border:1px solid #2C5193;color:#fff;padding:3px 5px;font-weight:bold;}
.fn-pager a:hover{background:#2C5193;border:1px solid #2C5193;color:#fff;}
.fn-pager input,.fn-pager select,.fn-pager a,.fn-pager span{vertical-align:middle;}
.fn-pagerExt{float:right;margin-top:-22px;}
.fn-pagerExt input{vertical-align:middle;}

/*按钮*/
.btn,.fn-pager input[type=‘submit‘]{border-radius:3px;padding:1px 2px;border:1px solid #B3B3B3;cursor:pointer;background-image: linear-gradient(to bottom, #fff, #e6e6e6); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.2) inset, 0 1px 2px rgba(0, 0, 0, 0.05);color:#666;line-height:20px;vertical-align:middle;text-decoration:none;padding:1px 3px\0;}
a.btn{padding:3px 6px;}
.btn:hover{background:#eee;text-decoration:none;}

.btn-on,.fn-pager input[type=‘submit‘]{background-image:linear-gradient(to bottom,#4b8af9,#2C5193);color:#fff;border-color:rgba(0,0,0,0.1) rgba(0,0,0,0.1) rgba(0,0,0,0.1);background-color:#2C5193;border:1px solid #2C5193\0;}
.btn-on:hover,.fn-pager input[type=‘submit‘]:hover{background:#4b8af9;color:#fff;}

.btn-gray{background:linear-gradient(to bottom,#ccc,#efefef);color:#fff;border-color:rgba(0,0,0,0.1) rgba(0,0,0,0.1) rgba(0,0,0,0.1);cursor:not-allowed;}
.btn-gray:hover{background:#eee;text-decoration:none;}

.btn:active{box-shadow:inset 0 1px 2px rgba(0,0,0,.25),inset 0 1px 3px rgba(0,0,0,0.15);}

#tooltip{position: absolute;border: 1px solid #333;background: #f7f5d1;padding: 2px 5px;color: #333;display: none;width: 500px;}
#tooltip{position:absolute;color:#333;display:block;background-color:#fff;border:1px solid #555;box-shadow:0 0 10px rgba(0,0,0,.3);border-radius:5px;padding:3px;min-width:160px;min-height:80px;}	
#tooltip img{border-radius:5px;}

/*文字大小*/
.font12{font-size:12px;}
.font13{font-size:13px;}
.font14{font-size:14px;}
.font15{font-size:15px;}
.font16{font-size:16px;}
.font17{font-size:17px;}
.font18{font-size:18px;}
/*文字颜色*/
.font-red{color:Red;}
.font-green{color:Green;}
.font-white{color:White;}
.font-gray{color:Gray;}

/*鼠标标记*/
.hand{cursor:pointer;}

      jquery.js

     ui.core.js

/*
 * jQuery UI 1.7.1
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 */
;jQuery.ui || (function($) {

var _remove = $.fn.remove,
	isFF2 = $.browser.mozilla && (parseFloat($.browser.version)  0) { return true; }

		// TODO: determine which cases actually cause this to happen
		// if the element doesn‘t have the scroll set, see if it‘s possible to
		// set the scroll
		el[scroll] = 1;
		has = (el[scroll] > 0);
		el[scroll] = 0;
		return has;
	},

	isOverAxis: function(x, reference, size) {
		//Determines when x coordinate is over "b" element axis
		return (x > reference) && (x = 0) && $(element).is(‘:focusable‘);
	}
});


// $.widget is a factory to create jQuery plugins
// taking some boilerplate code out of the plugin code
function getter(namespace, plugin, method, args) {
	function getMethods(type) {
		var methods = $[namespace][plugin][type] || [];
		return (typeof methods == ‘string‘ ? methods.split(/,?\s+/) : methods);
	}

	var methods = getMethods(‘getter‘);
	if (args.length == 1 && typeof args[0] == ‘string‘) {
		methods = methods.concat(getMethods(‘getterSetter‘));
	}
	return ($.inArray(method, methods) != -1);
}

$.widget = function(name, prototype) {
	var namespace = name.split(".")[0];
	name = name.split(".")[1];

	// create plugin method
	$.fn[name] = function(options) {
		var isMethodCall = (typeof options == ‘string‘),
			args = Array.prototype.slice.call(arguments, 1);

		// prevent calls to internal methods
		if (isMethodCall && options.substring(0, 1) == ‘_‘) {
			return this;
		}

		// handle getter methods
		if (isMethodCall && getter(namespace, name, options, args)) {
			var instance = $.data(this[0], name);
			return (instance ? instance[options].apply(instance, args)
				: undefined);
		}

		// handle initialization and non-getter methods
		return this.each(function() {
			var instance = $.data(this, name);

			// constructor
			(!instance && !isMethodCall &&
				$.data(this, name, new $[namespace][name](this, options))._init());

			// method call
			(instance && isMethodCall && $.isFunction(instance[options]) &&
				instance[options].apply(instance, args));
		});
	};

	// create widget constructor
	$[namespace] = $[namespace] || {};
	$[namespace][name] = function(element, options) {
		var self = this;

		this.namespace = namespace;
		this.widgetName = name;
		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
		this.widgetBaseClass = namespace + ‘-‘ + name;

		this.options = $.extend({},
			$.widget.defaults,
			$[namespace][name].defaults,
			$.metadata && $.metadata.get(element)[name],
			options);

		this.element = $(element)
			.bind(‘setData.‘ + name, function(event, key, value) {
				if (event.target == element) {
					return self._setData(key, value);
				}
			})
			.bind(‘getData.‘ + name, function(event, key) {
				if (event.target == element) {
					return self._getData(key);
				}
			})
			.bind(‘remove‘, function() {
				return self.destroy();
			});
	};

	// add widget prototype
	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);

	// TODO: merge getter and getterSetter properties from widget prototype
	// and plugin prototype
	$[namespace][name].getterSetter = ‘option‘;
};

$.widget.prototype = {
	_init: function() {},
	destroy: function() {
		this.element.removeData(this.widgetName)
			.removeClass(this.widgetBaseClass + ‘-disabled‘ + ‘ ‘ + this.namespace + ‘-state-disabled‘)
			.removeAttr(‘aria-disabled‘);
	},

	option: function(key, value) {
		var options = key,
			self = this;

		if (typeof key == "string") {
			if (value === undefined) {
				return this._getData(key);
			}
			options = {};
			options[key] = value;
		}

		$.each(options, function(key, value) {
			self._setData(key, value);
		});
	},
	_getData: function(key) {
		return this.options[key];
	},
	_setData: function(key, value) {
		this.options[key] = value;

		if (key == ‘disabled‘) {
			this.element
				[value ? ‘addClass‘ : ‘removeClass‘](
					this.widgetBaseClass + ‘-disabled‘ + ‘ ‘ +
					this.namespace + ‘-state-disabled‘)
				.attr("aria-disabled", value);
		}
	},

	enable: function() {
		this._setData(‘disabled‘, false);
	},
	disable: function() {
		this._setData(‘disabled‘, true);
	},

	_trigger: function(type, event, data) {
		var callback = this.options[type],
			eventName = (type == this.widgetEventPrefix
				? type : this.widgetEventPrefix + type);

		event = $.Event(event);
		event.type = eventName;

		// copy original event properties over to the new event
		// this would happen if we could call $.event.fix instead of $.Event
		// but we don‘t have a way to force an event to be fixed multiple times
		if (event.originalEvent) {
			for (var i = $.event.props.length, prop; i;) {
				prop = $.event.props[--i];
				event[prop] = event.originalEvent[prop];
			}
		}

		this.element.trigger(event, data);

		return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
			|| event.isDefaultPrevented());
	}
};

$.widget.defaults = {
	disabled: false
};


/** Mouse Interaction Plugin **/

$.ui.mouse = {
	_mouseInit: function() {
		var self = this;

		this.element
			.bind(‘mousedown.‘+this.widgetName, function(event) {
				return self._mouseDown(event);
			})
			.bind(‘click.‘+this.widgetName, function(event) {
				if(self._preventClickEvent) {
					self._preventClickEvent = false;
					event.stopImmediatePropagation();
					return false;
				}
			});

		// Prevent text selection in IE
		if ($.browser.msie) {
			this._mouseUnselectable = this.element.attr(‘unselectable‘);
			this.element.attr(‘unselectable‘, ‘on‘);
		}

		this.started = false;
	},

	// TODO: make sure destroying one instance of mouse doesn‘t mess with
	// other instances of mouse
	_mouseDestroy: function() {
		this.element.unbind(‘.‘+this.widgetName);

		// Restore text selection in IE
		($.browser.msie
			&& this.element.attr(‘unselectable‘, this._mouseUnselectable));
	},

	_mouseDown: function(event) {
		// don‘t let more than one widget handle mouseStart
		// TODO: figure out why we have to use originalEvent
		event.originalEvent = event.originalEvent || {};
		if (event.originalEvent.mouseHandled) { return; }

		// we may have missed mouseup (out of window)
		(this._mouseStarted && this._mouseUp(event));

		this._mouseDownEvent = event;

		var self = this,
			btnIsLeft = (event.which == 1),
			elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
			return true;
		}

		this.mouseDelayMet = !this.options.delay;
		if (!this.mouseDelayMet) {
			this._mouseDelayTimer = setTimeout(function() {
				self.mouseDelayMet = true;
			}, this.options.delay);
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted = (this._mouseStart(event) !== false);
			if (!this._mouseStarted) {
				event.preventDefault();
				return true;
			}
		}

		// these delegates are required to keep context
		this._mouseMoveDelegate = function(event) {
			return self._mouseMove(event);
		};
		this._mouseUpDelegate = function(event) {
			return self._mouseUp(event);
		};
		$(document)
			.bind(‘mousemove.‘+this.widgetName, this._mouseMoveDelegate)
			.bind(‘mouseup.‘+this.widgetName, this._mouseUpDelegate);

		// preventDefault() is used to prevent the selection of text here -
		// however, in Safari, this causes select boxes not to be selectable
		// anymore, so this fix is needed
		($.browser.safari || event.preventDefault());

		event.originalEvent.mouseHandled = true;
		return true;
	},

	_mouseMove: function(event) {
		// IE mouseup check - mouseup happened when mouse was out of window
		if ($.browser.msie && !event.button) {
			return this._mouseUp(event);
		}

		if (this._mouseStarted) {
			this._mouseDrag(event);
			return event.preventDefault();
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted =
				(this._mouseStart(this._mouseDownEvent, event) !== false);
			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
		}

		return !this._mouseStarted;
	},

	_mouseUp: function(event) {
		$(document)
			.unbind(‘mousemove.‘+this.widgetName, this._mouseMoveDelegate)
			.unbind(‘mouseup.‘+this.widgetName, this._mouseUpDelegate);

		if (this._mouseStarted) {
			this._mouseStarted = false;
			this._preventClickEvent = (event.target == this._mouseDownEvent.target);
			this._mouseStop(event);
		}

		return false;
	},

	_mouseDistanceMet: function(event) {
		return (Math.max(
				Math.abs(this._mouseDownEvent.pageX - event.pageX),
				Math.abs(this._mouseDownEvent.pageY - event.pageY)
			) >= this.options.distance
		);
	},

	_mouseDelayMet: function(event) {
		return this.mouseDelayMet;
	},

	// These are placeholder methods, to be overriden by extending plugin
	_mouseStart: function(event) {},
	_mouseDrag: function(event) {},
	_mouseStop: function(event) {},
	_mouseCapture: function(event) { return true; }
};

$.ui.mouse.defaults = {
	cancel: null,
	distance: 1,
	delay: 0
};

})(jQuery);

/*
 * jQuery UI Sortable 1.7.1
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Sortables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
	_init: function() {

		var o = this.options;
		this.containerCache = {};
		this.element.addClass("ui-sortable");

		//Get the items
		this.refresh();

		//Let‘s determine if the items are floating
		this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css(‘float‘)) : false;

		//Let‘s determine the parent‘s offset
		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");
	},

	_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
		if(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 = 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)
			) {

				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();

			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;
				}
			}

		}

		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events fr