jquery实现的鼠标拖动排序Li或Table_Javascript教程-查字典教程网

1、前端页面

复制代码代码如下:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="拖动排序Li或Table.aspx.cs" Inherits="拖动排序Li或Table" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

//添加广告

function addlinks() {

editWidget("PhoneArticleListPageInsOrUp.aspx");

}

</script>

$(function () {

$('.sortable').sortable({ cursor: 'move' });

});

</script>

//编辑

function editlink(prefix, aftfix, obj) {

editWidget("PhoneArticleListPageInsOrUp.aspx?ID=" + obj);

}

</script>

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("手机文章列表排列顺序保存成功！");

}

else {

alert("没有需要排序的手机文章列表！");

return false;

}

</script>

//删除广告

function deletelink() {

if (confirm("您确定删除您刚才选中的项吗?")) {

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; //这里传过去的是已逗号分隔开的id，需要在后面的页面内取出

}

</script>

.sortable

{

margin: 0;

padding: 0;

}

.sortable li

{

margin: 3px 8px 3px 0;

float: left;

}

.sortable li

{

width: 250px;

height: 170px;

}

</style>

</head>

<body>

<tr>

<input name="AdSave" type="button" id="AdSave"

value="保存顺序" />

</td>

提示：按住鼠标拖动链接，之后单击保存按钮就可以完成对链接的排列

</td>

</tr>

<tr>

<li

id="sitelinks_text_96">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

法国时代复分大占地方

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312023422.jpg '

alt='法国时代复分大占地方' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_78">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

医保结余7000亿花不出去官员建议提高报销比例007

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312023115.jpg '

alt='医保结余7000亿花不出去官员建议提高报销比例007' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

http://finance.sina.com.cn/china/20131202/011217492954.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_94">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

新浪科技“因你而变”:卡片式社交首页新版上线

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312021700.jpg '

alt='新浪科技“因你而变”:卡片式社交首页新版上线' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

<a href='http://tech.sina.com.cn/i/2013-12-02/00158965413.shtml' target="_blank">http://tech.sina.com.cn/i/2013-12-02/00158965413.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_91">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

教授拒入普通病房：我的命十个人都换不来001

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312020214.jpg '

alt='教授拒入普通病房：我的命十个人都换不来001' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

<a href='http://news.sohu.com/20131202/n391116380.shtml' target="_blank">http://news.sohu.com/20131202/n391116380.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_79">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

广东打击伪基站抓百人首例案件开审9人批捕002

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312023939.jpg '

alt='广东打击伪基站抓百人首例案件开审9人批捕002' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

<a href='http://tech.sina.com.cn/t/2013-12-02/01148965434.shtml' target="_blank">http://tech.sina.com.cn/t/2013-12-02/01148965434.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_81">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

1男1女从南昌大学图书馆坠亡女死者为该校学生003

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312024135.jpg '

alt='1男1女从南昌大学图书馆坠亡女死者为该校学生003' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

<a href='http://news.sina.com.cn/s/2013-12-02/115128865820.shtml' target="_blank">http://news.sina.com.cn/s/2013-12-02/115128865820.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_77">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

河南车主遭罚服毒调查:每月办3000元月票可免罚004

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312022910.jpg '

alt='河南车主遭罚服毒调查:每月办3000元月票可免罚004' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

<a href='http://news.sina.com.cn/c/2013-12-02/023928862436.shtml' target="_blank">http://news.sina.com.cn/c/2013-12-02/023928862436.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_82">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

大学生见义勇为被连捅三刀因家贫无钱医治(图)005

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312024219.jpg '

alt='大学生见义勇为被连捅三刀因家贫无钱医治(图)005' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

<a href='http://news.sina.com.cn/s/2013-12-02/052028863120.shtml' target="_blank">http://news.sina.com.cn/s/2013-12-02/052028863120.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_80">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

676帽!韦德刷新盖帽纪录前辈1100场他只用679场006

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312024034.jpg '

alt='676帽!韦德刷新盖帽纪录前辈1100场他只用679场006' />

</td>

</tr>

<tr>

<td>

<b>文章URL:</b>

</td>

<td>

http://sports.sina.com.cn/nba/2013-12-02/10006913299.shtml</a>

</td>

</tr>

</table>

</li>

<li

id="sitelinks_text_83">

<tr>

</td>

</a>

</td>

</tr>

<tr>

<td>

</td>

<td>

8岁大妈秀腹肌健壮,长相神秘还被曝已有两小孩008

</td>

</tr>

<tr>

<td>

</td>

<td>

<img width="100" height="50px" src='http://10.1.3.203:6001/Manager/MenuPages/PhoneManage/ArticleImg/201312024516.jpg '

alt='8岁大妈秀腹肌健壮,长相神秘还被曝已有两小孩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>

</td>

</tr>

</table>

</form>

</body>

</html>

2、CSS样式

[css] view plaincopy在CODE上查看代码片派生到我的代码片

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;}

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;}

.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;}

3、主要js

jquery.js

ui.core.js

[javascript] view plaincopy在CODE上查看代码片派生到我的代码片

* jQuery UI 1.7.1

* 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 it

if ($(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 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 < (reference + size));

isOver: function(y, x, top, left, height, width) {

//Determines when x, y coordinates is over "b" element

return $.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 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);

ui.sortable.js

[javascript] view plaincopy在CODE上查看代码片派生到我的代码片

* jQuery UI Sortable 1.7.1

* 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 < 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)

) {

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 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 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];

//We ignore calculating positions of all connected containers when we're not over them

if(item.instance != this.currentContainer && this.currentContainer && item.item[0] != this.currentItem[0])

continue;

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 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) {

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 it

var 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 enabled

continue;

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 placeholder

this.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 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) {

// 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 cursor

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,

absolutePosition: self.positionAbs, //deprecated

offset: 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);