jquery 鼠标拖动排序Li或Table
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jquery 鼠标拖动排序Li或Table
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1、前端頁面
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="拖動排序Li或Table.aspx.cs" Inherits="拖動排序Li或Table" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1"><title>廣告管理 </title><link href="Styles/css.css" rel="stylesheet" type="text/css" /><script src="Scripts/jquery-1.4.1.js" type="text/javascript"></script><script src="Scripts/ui.core.js" type="text/javascript"></script><script src="Scripts/ui.sortable.js" type="text/javascript"></script><script type="text/javascript" language="javascript">//添加廣告function addlinks() {editWidget("PhoneArticleListPageInsOrUp.aspx");}</script><script type="text/javascript">$(function () {$('.sortable').sortable({ cursor: 'move' });});</script><script type="text/javascript">//編輯function editlink(prefix, aftfix, obj) {editWidget("PhoneArticleListPageInsOrUp.aspx?ID=" + obj);} </script><script type="text/javascript">function getsortresult(prefix, aftfix) {var flag = document.getElementById("" + prefix + "_sortable_" + aftfix + "");if (flag) {var result = $("#" + prefix + "_sortable_" + aftfix + "").sortable('toArray');$(":button").attr("disabled", "disabled"); $(":submit").attr("disabled", "disabled");$("#delay_" + prefix + "_" + aftfix + "").show();$("#normal_" + prefix + "_" + aftfix + "").hide();$.ajax({url: "PhoneArticleListPage_2.aspx?word=" + result,cache: false,success: function (html) {$("#delay_" + prefix + "_" + aftfix + "").hide();$("#normal_" + prefix + "_" + aftfix + "").show();$(":button").removeAttr("disabled"); $(":submit").removeAttr("disabled");}});alert(flag);alert("手機文章列表排列順序保存成功！");}else {alert("沒有需要排序的手機文章列表！");return false;}}</script><script type="text/javascript">//刪除廣告function deletelink() {if (confirm("您確定刪除您剛才選中的項嗎?")) {var s = document.getElementsByName("checkbox");var s2 = "";for (var i = 0; i < s.length; i++) {if (s[i].checked) {s2 += s[i].value + ',';}}location.href = "PhoneArticleListPage_2.aspx?Del_Id=" + s2; //這里傳過去的是已逗號分隔開的id，需要在后面的頁面內取出}}</script><style type="text/css">.sortable{margin: 0;padding: 0;}.sortable li{margin: 3px 8px 3px 0;float: left;}.sortable li{width: 250px;height: 170px;}</style> </head> <body><form method="post" action="PhoneArticleListPage_2.aspx" id="form1"><table class="TABLE1 fn-table fn-table-mouse" align="center"><tr><td width="50%"><input name="AdSave" type="button" id="AdSave" class="btn" οnclick="getsortresult('sitelinks','text')"value="保存順序" /></td><td width="50%" align="right">提示：按住鼠標拖動鏈接，之后單擊保存按鈕就可以完成對鏈接的排列</td></tr><tr><td width="100%" colspan="2" align="center" style="background-color: #F6F6F6;"><div id="tabs"><div id="tabs-sitelinks-text"><div id="normal_sitelinks_text"><ul class="sortable" id="sitelinks_sortable_text"><li style="padding: 0; border: 1px solid #bad5f2; background: #f7fbfe; text-align: left"id="sitelinks_text_96"><table cellspacing="0" cellpadding="0" border="0px" style="background: #f7fbfe; width: 100%;height: 170px; table-layout: fixed; word-wrap: break-word;"><tr style="height: 20px;"><td width="30%" align="left" valign="top"><input type="checkbox" name="checkbox" value="96" /></td><td width="70%" height="10px" align="left"><a href="javascript:void(0)" οnclick="editlink('sitelinks','text','96')"><font color="#CC3333">[編輯]</font></a></td></tr><tr><td><b>文章標題:</b></td><td>法國時代復分大占地方</td></tr><tr><td><b>列表圖片:</b></td><td><img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312023422.jpg 'alt='法國時代復分大占地方' /></td></tr><tr><td><b>文章URL:</b></td><td><a href='http://www.uzai.com/trip/27879.html?46400284' target="_blank">http://www.uzai.com/trip/27879.html?46400284</a></td></tr></table></li><li style="padding: 0; border: 1px solid #bad5f2; background: #f7fbfe; text-align: left"id="sitelinks_text_78"><table cellspacing="0" cellpadding="0" border="0px" style="background: #f7fbfe; width: 100%;height: 170px; table-layout: fixed; 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width: 100%;height: 170px; table-layout: fixed; word-wrap: break-word;"><tr style="height: 20px;"><td width="30%" align="left" valign="top"><input type="checkbox" name="checkbox" value="83" /></td><td width="70%" height="10px" align="left"><a href="javascript:void(0)" οnclick="editlink('sitelinks','text','83')"><font color="#CC3333">[編輯]</font></a></td></tr><tr><td><b>文章標題:</b></td><td>8歲大媽秀腹肌健壯,長相神秘還被曝已有兩小孩008</td></tr><tr><td><b>列表圖片:</b></td><td><img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312024516.jpg 'alt='8歲大媽秀腹肌健壯,長相神秘還被曝已有兩小孩008' /></td></tr><tr><td><b>文章URL:</b></td><td><a href='http://net.chinabyte.com/442/12792942.shtml' target="_blank">http://net.chinabyte.com/442/12792942.shtml</a></td></tr></table></li></ul></div></div></div></td></tr></table></form> </body> </html>2、CSS樣式 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:"宋體",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;}/*文本對齊*/ .tr{text-align:right} .tl{text-align:left;} .tc{text-align:center;}/*浮動*/ .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;}/*無效狀態*/ 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;}/*輸入框*/ 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;}/*標準表格*/ .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;}/*細線表格*/ .fn-table-line>tbody>tr>td{}/*鼠標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;}/*干凈表格*/ .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 頭部樣式，僅后臺部分案例*/ .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;}/*標準Tab選項卡*/ .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;}/*分頁*/ .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;}/*按鈕*/ .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;} /*文字顏色*/ .font-red{color:Red;} .font-green{color:Green;} .font-white{color:White;} .font-gray{color:Gray;}/*鼠標標記*/ .hand{cursor:pointer;}
3、主要js
????? 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) < 1.9);//Helper functions and ui object $.ui = {version: "1.7.1",// $.ui.plugin is deprecated. Use the proxy pattern instead.plugin: {add: function(module, option, set) {var proto = $.ui[module].prototype;for(var i in set) {proto.plugins[i] = proto.plugins[i] || [];proto.plugins[i].push([option, set[i]]);}},call: function(instance, name, args) {var set = instance.plugins[name];if(!set || !instance.element[0].parentNode) { return; }for (var i = 0; i < set.length; i++) {if (instance.options[set[i][0]]) {set[i][1].apply(instance.element, args);}}}},contains: function(a, b) {return document.compareDocumentPosition? a.compareDocumentPosition(b) & 16: a !== b && a.contains(b);},hasScroll: function(el, a) {//If overflow is hidden, the element might have extra content, but the user wants to hide itif ($(el).css('overflow') == 'hidden') { return false; }var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',has = false;if (el[scroll] > 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 scrollel[scroll] = 1;has = (el[scroll] > 0);el[scroll] = 0;return has;},isOverAxis: function(x, reference, size) {//Determines when x coordinate is over "b" element axisreturn (x > reference) && (x < (reference + size));},isOver: function(y, x, top, left, height, width) {//Determines when x, y coordinates is over "b" elementreturn $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);},keyCode: {BACKSPACE: 8,CAPS_LOCK: 20,COMMA: 188,CONTROL: 17,DELETE: 46,DOWN: 40,END: 35,ENTER: 13,ESCAPE: 27,HOME: 36,INSERT: 45,LEFT: 37,NUMPAD_ADD: 107,NUMPAD_DECIMAL: 110,NUMPAD_DIVIDE: 111,NUMPAD_ENTER: 108,NUMPAD_MULTIPLY: 106,NUMPAD_SUBTRACT: 109,PAGE_DOWN: 34,PAGE_UP: 33,PERIOD: 190,RIGHT: 39,SHIFT: 16,SPACE: 32,TAB: 9,UP: 38} };// WAI-ARIA normalization if (isFF2) {var attr = $.attr,removeAttr = $.fn.removeAttr,ariaNS = "http://www.w3.org/2005/07/aaa",ariaState = /^aria-/,ariaRole = /^wairole:/;$.attr = function(elem, name, value) {var set = value !== undefined;return (name == 'role'? (set? attr.call(this, elem, name, "wairole:" + value): (attr.apply(this, arguments) || "").replace(ariaRole, "")): (ariaState.test(name)? (set? elem.setAttributeNS(ariaNS,name.replace(ariaState, "aaa:"), value): attr.call(this, elem, name.replace(ariaState, "aaa:"))): attr.apply(this, arguments)));};$.fn.removeAttr = function(name) {return (ariaState.test(name)? this.each(function() {this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));}) : removeAttr.call(this, name));}; }//jQuery plugins $.fn.extend({remove: function() {// Safari has a native remove event which actually removes DOM elements,// so we have to use triggerHandler instead of trigger (#3037).$("*", this).add(this).each(function() {$(this).triggerHandler("remove");});return _remove.apply(this, arguments );},enableSelection: function() {return this.attr('unselectable', 'off').css('MozUserSelect', '').unbind('selectstart.ui');},disableSelection: function() {return this.attr('unselectable', 'on').css('MozUserSelect', 'none').bind('selectstart.ui', function() { return false; });},scrollParent: function() {var scrollParent;if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {scrollParent = this.parents().filter(function() {return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));}).eq(0);} else {scrollParent = this.parents().filter(function() {return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));}).eq(0);}return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;} });//Additional selectors $.extend($.expr[':'], {data: function(elem, i, match) {return !!$.data(elem, match[3]);},focusable: function(element) {var nodeName = element.nodeName.toLowerCase(),tabIndex = $.attr(element, 'tabindex');return (/input|select|textarea|button|object/.test(nodeName)? !element.disabled: 'a' == nodeName || 'area' == nodeName? element.href || !isNaN(tabIndex): !isNaN(tabIndex))// the element and all of its ancestors must be visible// the browser may report that the area is hidden&& !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;},tabbable: function(element) {var tabIndex = $.attr(element, 'tabindex');return (isNaN(tabIndex) || tabIndex >= 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 methodsif (isMethodCall && options.substring(0, 1) == '_') {return this;}// handle getter methodsif (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 methodsreturn 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 timesif (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 IEif ($.browser.msie) {this._mouseUnselectable = this.element.attr('unselectable');this.element.attr('unselectable', 'on');}this.started = false;},// TODO: make sure destroying one instance of mouse doesn't mess with// other instances of mouse_mouseDestroy: function() {this.element.unbind('.'+this.widgetName);// Restore text selection in IE($.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 originalEventevent.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" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {return true;}this.mouseDelayMet = !this.options.delay;if (!this.mouseDelayMet) {this._mouseDelayTimer = setTimeout(function() {self.mouseDelayMet = true;}, this.options.delay);}if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {this._mouseStarted = (this._mouseStart(event) !== false);if (!this._mouseStarted) {event.preventDefault();return true;}}// these delegates are required to keep contextthis._mouseMoveDelegate = function(event) {return self._mouseMove(event);};this._mouseUpDelegate = function(event) {return self._mouseUp(event);};$(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($.browser.safari || event.preventDefault());event.originalEvent.mouseHandled = true;return true;},_mouseMove: function(event) {// IE mouseup check - mouseup happened when mouse was out of windowif ($.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);?? ui.sortable.js
?
/** 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 itemsthis.refresh();//Let's determine if the items are floatingthis.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;//Let's determine the parent's offsetthis.offset = this.element.offset();//Initialize mouse events for interactionthis._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 firstthis._refreshItems(event);//Find out if the clicked node (or one of its parents) is a actual item in this.itemsvar 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 mouseCapturethis.refreshPositions();//Create and append the visible helperthis.helper = this._createHelper(event);//Cache the helper sizethis._cacheHelperProportions();/** - Position generation -* This block generates everything position related - it's the core of draggables.*///Cache the margins of the original elementthis._cacheMargins();//Get the next scrolling parentthis.scrollParent = this.helper.scrollParent();//The element's absolute position on the page minus marginsthis.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 possiblethis.helper.css("position", "absolute");this.cssPosition = this.helper.css("position");$.extend(this.offset, {click: { //Where the click happened, relative to the elementleft: event.pageX - this.offset.left,top: event.pageY - this.offset.top},parent: this._getParentOffset(),relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper});//Generate the original positionthis.originalPosition = this._generatePosition(event);this.originalPageX = event.pageX;this.originalPageY = event.pageY;//Adjust the mouse offset relative to the helper if 'cursorAt' is suppliedif(o.cursorAt)this._adjustOffsetFromHelper(o.cursorAt);//Cache the former DOM positionthis.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this wayif(this.helper[0] != this.currentItem[0]) {this.currentItem.hide();}//Create the placeholderthis._createPlaceholder();//Set a containment if given in the optionsif(o.containment)this._setContainment();if(o.cursor) { // cursor optionif ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");$('body').css("cursor", o.cursor);}if(o.opacity) { // opacity optionif (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");this.helper.css("opacity", o.opacity);}if(o.zIndex) { // zIndex optionif (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");this.helper.css("zIndex", o.zIndex);}//Prepare scrollingif(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')this.overflowOffset = this.scrollParent.offset();//Call callbacksthis._trigger("start", event, this._uiHash());//Recache the helper sizeif(!this._preserveHelperProportions)this._cacheHelperProportions();//Post 'activate' events to possible containersif(!noActivation) {for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }}//Prepare possible droppablesif($.ui.ddmanager)$.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 positionreturn true;},_mouseDrag: function(event) {//Compute the helpers positionthis.position = this._generatePosition(event);this.positionAbs = this._convertPositionTo("absolute");if (!this.lastPositionAbs) {this.lastPositionAbs = this.positionAbs;}//Do scrollingif(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 checksthis.positionAbs = this._convertPositionTo("absolute");//Set the helper positionif(!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';//Rearrangefor (var i = this.items.length - 1; i >= 0; i--) {//Cache variables and intersection, continue if no intersectionvar 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 containersthis._contactContainers(event);//Interconnect with droppablesif($.ui.ddmanager) $.ui.ddmanager.drag(this, event);//Call callbacksthis._trigger('sort', event, this._uiHash());this.lastPositionAbs = this.positionAbs;return false;},_mouseStop: function(event, noPropagation) {if(!event) return;//If we are using droppables, inform the manager about the dropif ($.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");elsethis.currentItem.show();//Post deactivating events to containersfor (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;}}}//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();$.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 true;},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]));});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();},_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) : $(inst.options.items, inst.element).not(".ui-sortable-helper"), inst]);}};};}queries.push([$.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"), 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 changeif(this.offsetParent && this.helper) {this.offset.parent = this._getParentOffset();}for (var i = this.items.length - 1; i >= 0; i--){var item = this.items[i];//We ignore calculating positions of all connected containers when we're not over themif(item.instance != this.currentContainer && this.currentContainer && item.item[0] != this.currentItem[0])continue;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();};}},_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 specifiedif(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 itemif(!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 placeholderself.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));//Append it after the actual current itemself.currentItem.after(self.placeholder);//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)o.placeholder.update(self, self.placeholder);},_contactContainers: function(event) {for (var i = this.containers.length - 1; i >= 0; i--){if(this._intersectsWith(this.containers[i].containerCache)) {if(!this.containers[i].containerCache.over) {if(this.currentContainer != this.containers[i]) {//When entering a new container, we will find the item with the least distance and append our item near itvar dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top'];for (var j = this.items.length - 1; j >= 0; j--) {if(!$.ui.contains(this.containers[i].element[0], this.items[j].item[0])) continue;var cur = this.items[j][this.containers[i].floating ? 'left' : 'top'];if(Math.abs(cur - base) < dist) {dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];}}if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabledcontinue;this.currentContainer = this.containers[i];itemWithLeastDistance ? this._rearrange(event, itemWithLeastDistance, null, true) : this._rearrange(event, null, this.containers[i].element, true);this._trigger("change", event, this._uiHash());this.containers[i]._trigger("change", event, this._uiHash(this));//Update the placeholderthis.options.placeholder.update(this.currentContainer, this.placeholder);}this.containers[i]._trigger("over", event, this._uiHash(this));this.containers[i].containerCache.over = 1;}} else {if(this.containers[i].containerCache.over) {this.containers[i]._trigger("out", event, this._uiHash(this));this.containers[i].containerCache.over = 0;}}};},_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(obj.left != undefined) this.offset.click.left = obj.left + this.margins.left;if(obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;if(obj.top != undefined) this.offset.click.top = obj.top + this.margins.top;if(obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;},_getParentOffset: function() {//Get the offsetParent and cache its positionthis.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 dragif(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' && $.browser.msie)) //Ugly IE fixpo = { top: 0, left: 0 };return {top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)};},_getRelativeOffset: function() {if(this.cssPosition == "relative") {var p = this.currentItem.position();return {top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()};} else {return { top: 0, left: 0 };}},_cacheMargins: function() {this.margins = {left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),top: (parseInt(this.currentItem.css("marginTop"),10) || 0)};},_cacheHelperProportions: function() {this.helperProportions = {width: this.helper.outerWidth(),height: this.helper.outerHeight()};},_setContainment: function() {var o = this.options;if(o.containment == 'parent') o.containment = this.helper[0].parentNode;if(o.containment == 'document' || o.containment == 'window') this.containment = [0 - this.offset.relative.left - this.offset.parent.left,0 - this.offset.relative.top - this.offset.parent.top,$(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 jumpsif(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 optionsif(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 throughthis.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 againvar 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 changedif(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current elementif(!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 containersfor (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 pluginsif(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursorif(this._storedOpacity) this.helper.css("opacity", this._storedOpacity); //Reset cursorif(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-indexthis.dragging = false;if(this.cancelHelperRemoval) {if(!noPropagation) {this._trigger("beforeStop", event, this._uiHash());for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed eventsthis._trigger("stop", event, this._uiHash());}return false;}if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());//$(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 eventsthis._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 || $([]),position: self.position,absolutePosition: self.positionAbs, //deprecatedoffset: self.positionAbs,item: self.currentItem,sender: inst ? inst.element : null};}}));$.extend($.ui.sortable, {getter: "serialize toArray",version: "1.7.1",eventPrefix: "sort",defaults: {appendTo: "parent",axis: false,cancel: ":input,option",connectWith: false,containment: false,cursor: 'auto',cursorAt: false,delay: 0,distance: 1,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} });})(jQuery);總結
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