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js 表格排序(编辑+拖拽+缩放)

　　本文标签：js,表格排序

<!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> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>Table</title> 
<style type="text/css"> 
body{ font-size:12px} 
#tab{ border-collapse: collapse;} 
.edit{ height:16px; width:98%; background-color:#EFF7FF; font-size:12px; border:0px;} 
#tab thead td{ background:url(/upload/201005/20100531233452190.bmp);color:#183C94} 
#tab tbody td{ overflow:hidden} 
#tab td{border: 1px solid #CECFCE;height:20px;line-height:20px;vertical-align:middle; } 
#tab td.tc{text-align:center;} 
.cc{width:10px;height:6px; border:1px solid #999999; background-color:#FFFFFF; position:absolute; display:none;} 
#tab td.red{border-color:#f30;} 
.ww{height:100%;width:1px;background:#CECFCE;float:right;margin-right:-1px;cursor:sw-resize}

.line{ width:2px; background-color:#999999; position:absolute; display:none} 
</style> 
</head> 
<body> 
<table id="tab" border="0" cellspacing="1" cellpadding="0"> 
<thead> 
<tr> 
<td width="60"class="tc" ><span>ID</span><div class="ww"></div></td> 
<td width="60"class="tc"><span>选中</span><div class="ww"></div></td> 
<td width="100" class="tc"><span>姓名</span><div class="ww"></div></td> 
<td width="100" class="tc" ><span>生日</span><div class="ww"></div></td> 
<td width="180" class="tc" ><span>备注</span><div class="ww"></div></td> 
</tr> 
</thead> 
<tbody> 
<tr> 
<td height="16">1</td> 
<td><input type ="checkbox"></td> 
<td>张三</td> 
<td>1982-05-27</td> 
<td>杯具,全是杯具</td> 
</tr> 
<tr> 
<td>3</td> 
<td><input type ="checkbox"></td> 
<td>李四</td> 
<td>1983-06-27</td> 
<td>恩恩我魔兽技术不错</td> 
</tr> 
<tr> 
<td>2</td> 
<td><input type ="checkbox"></td> 
<td>王五</td> 
<td>1983-05-27</td> 
<td>波斯王子 时之刃还不错</td> 
</tr> 
<tr> 
<td>4</td> 
<td><input type ="checkbox"></td> 
<td>赵六</td> 
<td>1983-05-27</td> 
<td>我叫赵六</td> 
</tr> 
<tr> 
<td>5</td> 
<td><input type ="checkbox"></td> 
<td>朱八</td> 
<td>1986-05-27</td> 
<td>洗洗睡吧</td> 
</tr> 
</tbody> 
</table> 
<script language="javascript"> 
var Sys = (function(ua){ 
var s = {}; 
s.IE = ua.match(/msie ([\d.]+)/)?true:false; 
s.Firefox = ua.match(/firefox\/([\d.]+)/)?true:false; 
s.Chrome = ua.match(/chrome\/([\d.]+)/)?true:false; 
s.IE6 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 6))?true:false; 
s.IE7 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 7))?true:false; 
s.IE8 = (s.IE&&([/MSIE (\d)\.0/i.exec(navigator.userAgent)][0][1] == 8))?true:false; 
return s; 
})(navigator.userAgent.toLowerCase()); 
function $(Id){ 
return document.getElementById(Id); 
}; 
function addListener(element,e,fn){ 
element.addEventListener?element.addEventListener(e,fn,false):element.attachEvent("on" + e,fn); 
}; 
function removeListener(element,e,fn){ 
element.removeEventListener?element.removeEventListener(e,fn,false):element.detachEvent("on" + e,fn); 
}; 
var Css = function(e,o){ 
if(typeof o=="string") 
{ 
e.style.cssText=o; 
return; 
} 
for(var i in o) 
e.style[i] = o[i]; 
}; 
var Bind = function(object, fun) { 
var args = Array.prototype.slice.call(arguments).slice(2); 
return function() { 
return fun.apply(object, args); 
}; 
}; 
var BindAsEventListener = function(object, fun) { 
var args = Array.prototype.slice.call(arguments).slice(2); 
return function(event) { 
return fun.apply(object, [event || window.event].concat(args)); 
}; 
}; 
var Extend = function(destination, source){ 
for (var property in source) { 
destination[property] = source[property]; 
}; 
}; 
var Class = function(properties){ 
var _class = function(){return (arguments[0] !== null && this.initialize && typeof(this.initialize) == function) ? this.initialize.apply(this, arguments) : this;}; 
_class.prototype = properties; 
return _class; 
}; 
var Table = new Class({ 
initialize : function(tab,set){ 
this.table = tab; 
this.thead = tab.getElementsByTagName(thead)[0]; //常用的dom元素做成索引 
this.theadtds = this.thead.getElementsByTagName(td); // 
this.rows = []; //里面tbodys记录所有tr的引用 这里用数组记录是因为数组有reverse方法,可以用来正序,反序 
this.clos = {}; //里面记录所有列元素的引用 
this.edits = {}; //编辑表格的规则和提示 
this.sortCol = null; //记录哪列正在排序中 
this.inputtd = null; //记录哪个input被编辑了 
this.closarg ={ 
tdnum : null, 
totdnum : null, 
closmove : BindAsEventListener(this,this.closmove), 
closup : BindAsEventListener(this,this.closup) 
};//关于列拖拽的一些属性方法 
this.widtharg ={ 
td : null, 
nexttd : null, 
x : 0, 
tdwidth : 0, 
nexttdwidth : 0, 
widthmove : BindAsEventListener(this,this.widthmove), 
widthup : BindAsEventListener(this,this.widthup) 
}; 
var i=0,j=0,d=document,rows =tab.tBodies[0].rows,tds1 = tab.tBodies[0].getElementsByTagName(td),edit=[]; 
var divs = this.thead.getElementsByTagName(div); 
this.input = d.createElement(input); //编辑用的input 
this.input.type = "text"; 
this.input.className = edit; 
this.img = d.body.appendChild(d.createElement(div)); 
this.img.className ="cc" ; 
this.line = d.body.appendChild(d.createElement(div)); 
this.line.className = line; 
this.line.style.top = tab.offsetTop +"px"; 
if(Sys.IE6){ 
this.checkbox = {}; //记录那些checkbox被选中了 处理ie6不兼容的问题 
var checkboxs = tab.getElementsByTagName(input),k =0; 
for(var lll=checkboxs.length;k<lll;k++) 
checkboxs[k].type=="checkbox"&&addListener(checkboxs[k],"click",Bind(this,function(elm,k){ 
elm.checked==true?(this.checkbox[k] = elm):(delete this.checkbox[k]); 
},checkboxs[k],k)); 
}; 
for(var l=set.length;i<l;i++){ 
addListener(this.theadtds[set[i].id],click,Bind(this,this.sortTable,this.theadtds[set[i].id],set[i].id,set[i].type)); 
set[i].edit&&(this.edits[set[i].id]={rule:set[i].edit.rule,message:set[i].edit.message}); 
}; 
for(l=rows.length;j<l;j++) 
this.rows[j]=rows[j]; 
for(var k=0,l=this.theadtds.length;k<l;k++){ 
this.clos[k]=[]; 
this.theadtds[k].setAttribute(clos,k) 
addListener(this.theadtds[k],mousedown,BindAsEventListener(this,this.closdrag)); 
} 
for(var i=0,l=tds1.length;i<l;i++){ 
var p = i<this.theadtds.length-1?i:i%this.theadtds.length; 
this.clos[p][this.clos[p].length] = tds1[i]; 
this.edits[p]&&tds1[i].setAttribute(edit,p); 
} 
for(var i=0,l=divs.length;i<l;i++){ 
addListener(divs[i],mousedown,BindAsEventListener(this,this.widthdrag)); 
} 
/*---------------------------------------------*/ 
/*---------------------------------------------*/ 
addListener(this.thead,mouseover,BindAsEventListener(this,this.theadhover)); 
addListener(tab.tBodies[0],dblclick,BindAsEventListener(this,this.edit)); 
addListener(this.input,blur,Bind(this,this.save,this.input)); 
}, 
theadhover : function(e){ 
e = e || window.event; 
var obj = e.srcElement ||e.target; 
if(obj.nodeName.toLowerCase() ==td) 
this.closarg.totdnum = (obj).getAttribute(clos); 
else if(obj.nodeName.toLowerCase() ==div) 
obj.style.cursor="sw-resize"; 
}, 
widthdrag : function(e){ 
if(Sys.IE){e.cancelBubble=true}else{e.stopPropagation()} 
this.widtharg.x = e.clientX; 
this.widtharg.td = (e.srcElement ||e.target).parentNode; 
if(Sys.IE){ 
this.widtharg.nexttd = this.widtharg.td.nextSibling; 
}else{ 
this.widtharg.nexttd = this.widtharg.td.nextSibling.nextSibling; 
} 
this.widtharg.tdwidth = this.widtharg.td.offsetWidth; 
this.widtharg.nexttdwidth = this.widtharg.nexttd.offsetWidth; 
this.line.style.height = this.table.offsetHeight +"px"; 
addListener(document,mousemove,this.widtharg.widthmove); 
addListener(document,mouseup,this.widtharg.widthup); 
}, 
widthmove : function(e){ 
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty(); 
var x = e.clientX - this.widtharg.x,left = e.clientX,clientx=e.clientX ; 
if(clientx<this.widtharg.x){ 
if(this.widtharg.x - clientx>this.widtharg.tdwidth-35) 
left = this.widtharg.x - this.widtharg.tdwidth+35; 
} 
if(clientx>this.widtharg.x) 
{ 
if(clientx - this.widtharg.x>this.widtharg.nexttdwidth-35) 
left = this.widtharg.x + this.widtharg.nexttdwidth-35; 
} 
Css(this.line,{display:"block",left:left+"px"}); 
}, 
widthup : function(e){ 
this.line.style.display = "none"; 
var x= parseInt(this.line.style.left) - this.widtharg.x; 
this.widtharg.nexttd.style.width = this.widtharg.nexttdwidth -x +px; 
this.widtharg.td.style.width = this.widtharg.tdwidth + x +px; 
removeListener(document,mousemove,this.widtharg.widthmove); 
removeListener(document,mouseup,this.widtharg.widthup); 
}, 
closdrag : function(e){ 
e = e || window.event; 
var obj = e.srcElement ||e.target; 
if(obj.nodeName.toLowerCase()=="span")obj =obj.parentNode; 
this.closarg.tdnum = obj.getAttribute(clos);; 
addListener(document,mousemove,this.closarg.closmove); 
addListener(document,mouseup,this.closarg.closup); 
}, 
closmove : function(e){ 
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty(); 
Css(this.img,{display:"block",left:e.clientX+9+"px",top:e.clientY+20+"px"}); 
}, 
closup : function(){ 
this.img.style.display = "none"; 
removeListener(document,mousemove,this.closarg.closmove); 
removeListener(document,mouseup,this.closarg.closup); 
if(this.closarg.totdnum==this.closarg.tdnum)return; 
var rows =this.table.getElementsByTagName(tr),tds,n,o; 
if((parseInt(this.closarg.tdnum)+1)==parseInt(this.closarg.totdnum)) 
{ 
o = this.closarg.tdnum; 
n = this.closarg.totdnum; 
} 
else 
{ 
n = this.closarg.tdnum; 
o = this.closarg.totdnum; 
} 
for(var i=0,l=rows.length;i<l;i++) 
{ 
tds = rows[i].getElementsByTagName(td); 
try{ 
rows[i].insertBefore(tds[n],tds[o]); 
} 
catch(err){ 
return; 
} 
} 
for(var i=0,l=this.theadtds.length;i<l;i++) 
this.theadtds[i].setAttribute(clos,i); 
}, 
edit: function(e){ 
var o = e.srcElement || e.target; 
if(!o.getAttribute(edit))return; 
this.inputtd = o; 
var v = o.innerHTML; 
o.innerHTML = ""; 
o.appendChild(this.input); 
this.input.value=v; 
this.input.focus(); 
}, 
save : function(o){ 
var edit=this.edits[o.parentNode.getAttribute(edit)]; 
if(edit.rule.test(this.input.value)){ 
this.inputtd.innerHTML = this.input.value; 
this.inputtd=null; 
}else{ 
alert(edit.message); 
} 
}, 
sortTable :function(td,n,type){ 
var frag=document.createDocumentFragment(),str= td.getElementsByTagName(span)[0].innerHTML,span=td.getElementsByTagName(span)[0]; 
if(this.row!=null||td==this.sortCol){ 
this.rows.reverse(); 
span.innerHTML =str.replace(/.$/,str.charAt(str.length-1)=="↓"?"↑":"↓") ; 
}else{ 
this.rows.sort(this.compare(n,type)); 
span.innerHTML = span.innerHTML + "↑"; 
this.sortCol!=null&&(this.sortCol.getElementsByTagName(span)[0].innerHTML = this.sortCol.getElementsByTagName(span)[0].innerHTML.replace(/.$/,)); 
}; 
for(var i=0,l=this.rows.length;i<l;i++) 
frag.appendChild(this.rows[i]); 
this.table.tBodies[0].appendChild(frag); 
if(Sys.IE6){ 
for(var s in this.checkbox) 
this.checkbox[s].checked = true; 
} 
this.sortCol = td; 
}, 
compare :function(n,type){ 
return function (a1,a2){ 
var convert ={ 
int : function(v){return parseInt(v)}, 
float : function(v){return parseFloat(v)}, 
date : function(v){return v.toString()}, 
string : function(v){return v.toString()} 
}; 
!convert[type]&&(convert[type]=function(v){return v.toString()}); 
a1 =convert[type](a1.cells[n].innerHTML); 
a2 =convert[type](a2.cells[n].innerHTML); 
if(a1==a2)return 0; 
return a1 
</body> 
</html>

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