其他

; (function ($) { 
$.fn.tabpanel =function(option){ 
var dfop ={ 
items:[], //选项卡数据项 {id,text,classes,disabled,closeable,content,url,cuscall,onactive} 
width:500, 
height:400, 
scrollwidth:100,//如果存在滚动条，点击按钮次每次滚动的距离 
autoscroll:true //当选项卡宽度大于容器时自动添加滚动按钮 
}; 
var headerheight=28; 
$.extend(dfop, option); 
var me =$(this).addClass("x-tab-panel").width(dfop.width); 
innerwidth = dfop.width-2; 
//构建Tab的Html 
var tcs= dfop.autoscroll?"x-tab-scrolling-top":""; 
var header = $("<div class='x-tab-panel-header x-unselectable "+tcs+"' unselectable='on' style='width:"+innerwidth+"px;MozUserSelect:none;KhtmlUserSelect:none;'></div>"); 
var stripwrap = $("<div class='x-tab-strip-wrap'/>"); 
var scrollerright = $("<div class='x-tab-scroller-right x-unselectable' style='height: 24px; visibility: hidden; mozuserselect: none; khtmluserselect: none;' unselectable='on'/>"); 
var scrollerleft = $("<div class='x-tab-scroller-left x-unselectable' style='height: 24px; visibility: hidden; mozuserselect: none; khtmluserselect: none;' unselectable='on'/>"); 
var ulwrap = $("<ul class='x-tab-strip x-tab-strip-top'></ul>"); 
var stripspacer = $("<div class='x-tab-strip-spacer'/>"); 
var litemp =[]; 
for(var i=0,l=dfop.items.length; i<l ;i++) 
{ 
var item =dfop.items[i]; 
builditemlihtml(item,litemp); 
} 
litemp.push("<li class='x-tab-edge'/><div class='x-clear'></div>"); 
ulwrap.html(litemp.join("")); 
litemp =null; 
stripwrap.append(ulwrap); 
if(dfop.autoscroll) 
{ 
header.append(scrollerright).append(scrollerleft); 
} 
header.append(stripwrap).append(stripspacer); 
var bodyheight=dfop.height-headerheight; 
var bodywrap = $("<div class='x-tab-panel-bwrap'/>"); 
var body = $("<div class='x-tab-panel-body x-tab-panel-body-top'/>").css({width:innerwidth,height:bodyheight}); 
var bodytemp=[]; 
for(var i=0,l=dfop.items.length; i<l ;i++){ 
var item =dfop.items[i]; 
builditembodyhtml(item,bodytemp); 
} 
body.html(bodytemp.join("")).appendTo(bodywrap); 
me.append(header).append(bodywrap); 
initevents(); 
function builditemlihtml(item,parray) 
{ 
parray.push("<li id='tab_li_",item.id,"' class='",item.isactive?"x-tab-strip-active":"",item.disabled?"x-tab-strip-disabled":"",item.closeable?" x-tab-strip-closable":"",item.classes?" x-tab-with-icon":"","'>"); 
parray.push("<a class='x-tab-strip-close' onclick='return false;'/>"); 
parray.push("<a class='x-tab-right' onclick='return false;' href='#'>"); 
parray.push("<em class='x-tab-left'><span class='x-tab-strip-inner'><span class='x-tab-strip-text ",item.classes||"","'>",item.text,"</span></span></em>"); 
parray.push("</a></li>"); 
} 
function builditembodyhtml(item,parray) 
{ 
parray.push("<div class='x-panel x-panel-noborder",item.isactive?"":" x-hide-display","' id='tab_item_",item.id,"' style='width:",innerwidth,"px'>"); 
parray.push("<div class='x-panel-bwrap'>"); 
parray.push("<div class='x-panel-body x-panel-body-noheader x-panel-body-noborder' id='tab_item_content_",item.id,"' style='position:relative; width:",innerwidth,"px; height:",bodyheight,"px; overflow: auto;'>"); 
if(item.url){ 
parray.push("<iframe name='tab_item_frame_",item.id,"' width='100%' height='100%' id='tab_item_frame_",item.id,"' src='about:blank' frameBorder='0' />"); 
} 
else if(item.cuscall){ 
parray.push("<div class='loadingicon'/>"); 
} 
else{ 
parray.push(item.content); 
} 
parray.push("</div></div></div>"); 
} 
function initevents() 
{ 
//reset scoller 
resetscoller(); 
scollerclick(); 
ulwrap.find("li:not(.x-tab-edge)").each(function(e){ 
inititemevents(this); 
}); 
} 
function inititemevents(liitem) 
{ 
liswaphover.call(liitem); 
liclick.call(liitem); 
closeitemclick.call(liitem); 
} 
function scollerclick() 
{ 
if(dfop.autoscroll) 
{ 
scrollerleft.click(function(e){scolling("left")}); 
scrollerright.click(function(e){scolling("right")}); 
} 
} 
function resetscoller() 
{ 
if(dfop.autoscroll) 
{ 
var edge = ulwrap.find("li.x-tab-edge"); 
var eleft =edge.position().left; 
var sleft = stripwrap.attr("scrollLeft"); 
if( sleft+eleft>innerwidth ) 
{ 
header.addClass("x-tab-scrolling"); 
scrollerleft.css("visibility","visible"); 
scrollerright.css("visibility","visible"); 
if(sleft>0) 
{ 
scrollerleft.removeClass("x-tab-scroller-left-disabled"); 
} 
else{ 
scrollerleft.addClass("x-tab-scroller-left-disabled"); 
} 
if(eleft>innerwidth) 
{ 
scrollerright.removeClass("x-tab-scroller-right-disabled"); 
} 
else{ 
scrollerright.addClass("x-tab-scroller-right-disabled"); 
} 
dfop.showscrollnow =true; 
} 
else 
{ 
header.removeClass("x-tab-scrolling"); 
stripwrap.animate({"scrollLeft":0},"fast"); 
scrollerleft.css("visibility","hidden"); 
scrollerright.css("visibility","hidden"); 
dfop.showscrollnow =false; 
} 
} 
} 
// 
function scolling(type,max) 
{ 
//debugger; 
if(!dfop.autoscroll || !dfop.showscrollnow) 
{ 
return; 
} 
//debugger; 
//var swidth = stripwrap.attr("scrollWidth"); 
var sleft = stripwrap.attr("scrollLeft"); 
var edge = ulwrap.find("li.x-tab-edge"); 
var eleft = edge.position().left ; 
if(type=="left"){ 
if(scrollerleft.hasClass("x-tab-scroller-left-disabled")) 
{ 
return; 
} 
if(sleft-dfop.scrollwidth-20>0) 
{ 
sleft -=dfop.scrollwidth; 
} 
else{ 
sleft =0; 
scrollerleft.addClass("x-tab-scroller-left-disabled"); 
} 
if(scrollerright.hasClass("x-tab-scroller-right-disabled")) 
{ 
scrollerright.removeClass("x-tab-scroller-right-disabled"); 
} 
stripwrap.animate({"scrollLeft":sleft},"fast"); 
} 
else{ 
if(scrollerright.hasClass("x-tab-scroller-right-disabled") && !max) 
{ 
return; 
} 
//left + ; 
if(max || (eleft>innerwidth && eleft-dfop.scrollwidth-20<=innerwidth)) 
{ 
//debugger; 
sleft = sleft+eleft-(innerwidth-38) ; 
scrollerright.addClass("x-tab-scroller-right-disabled"); 
// sleft = eleft-innerwidth; 
} 
else 
{ 
sleft +=dfop.scrollwidth; 
} 
if(sleft>0) 
{ 
if(scrollerleft.hasClass("x-tab-scroller-left-disabled")) 
{ 
scrollerleft.removeClass("x-tab-scroller-left-disabled"); 
} 
} 
stripwrap.animate({"scrollLeft":sleft},"fast"); 
} 
} 
function scollingToli(liitem) 
{ 
var sleft = stripwrap.attr("scrollLeft"); 
var lleft = liitem.position().left; 
var lwidth = liitem.outerWidth(); 
var edge = ulwrap.find("li.x-tab-edge"); 
var eleft = edge.position().left ; 
if(lleft<=0) 
{ 
sleft +=(lleft-2) ; 
if(sleft<0) 
{ 
sleft=0; 
scrollerleft.addClass("x-tab-scroller-left-disabled"); 
} 
if(scrollerright.hasClass("x-tab-scroller-right-disabled")) 
{ 
scrollerright.removeClass("x-tab-scroller-right-disabled"); 
} 
stripwrap.animate({"scrollLeft":sleft},"fast"); 
} 
else{ 
if(lleft+lwidth>innerwidth-40) 
{ 
sleft = sleft+lleft+lwidth+-innerwidth+40; // 40 =scrollerleft and scrollerrightwidth; 
if(scrollerleft.hasClass("x-tab-scroller-left-disabled")) 
{ 
scrollerleft.removeClass("x-tab-scroller-left-disabled"); 
} 
//滚到最后一个了，那么就要禁用right; 
if(eleft-(lleft+lwidth+-innerwidth+40)<=innerwidth) 
{ 
scrollerright.addClass("x-tab-scroller-right-disabled"); 
} 
stripwrap.animate({"scrollLeft":sleft},"fast"); 
} 
} 
liitem.click(); 
} 
function liswaphover() 
{ 
$(this).hover(function(e){ 
if(!$(this).hasClass("x-tab-strip-disabled")) 
{ 
$(this).addClass("x-tab-strip-over"); 
} 
},function(e){ 
if(!$(this).hasClass("x-tab-strip-disabled")) 
{ 
$(this).removeClass("x-tab-strip-over"); 
} 
}); 
} 
function closeitemclick() 
{ 
if($(this).hasClass("x-tab-strip-closable")) 
{ 
$(this).find("a.x-tab-strip-close").click(function(){ 
deleteitembyliid($(this).parent().attr("id")); 
}); 
} 
} 
function liclick() 
{ 
$(this).click(function(e){ 
var itemid = this.id.substr(7); 
var curr = getactiveitem(); 
if( curr !=null && itemid == curr.id) 
{ 
return; 
} 
var clickitem = getitembyid(itemid); 
if(clickitem && clickitem.disabled) 
{ 
return ; 
} 
if(curr) 
{ 
$("#tab_li_"+curr.id).removeClass("x-tab-strip-active"); 
$("#tab_item_"+curr.id).addClass("x-hide-display"); 
curr.isactive =false; 
} 
if(clickitem) 
{ 
$(this).addClass("x-tab-strip-active"); 
$("#tab_item_"+clickitem.id).removeClass("x-hide-display"); 
if(clickitem.url) 
{ 
var cururl = $("#tab_item_frame_"+clickitem.id).attr("src"); 
if(cururl =="about:blank") 
{ 
$("#tab_item_frame_"+clickitem.id).attr("src",clickitem.url); 
} 
} 
else if(clickitem.cuscall && !clickitem.cuscalled) 
{ 
var panel = $("#tab_item_content_"+clickitem.id); 
var ret = clickitem.cuscall(this,clickitem,panel); 
clickitem.cuscalled =true; 
if(ret) //如果存在返回值，且不为空 
{ 
clickitem.content = ret; 
panel.html(ret); 
} 
} 
clickitem.isactive =true; 
if(clickitem.onactive) 
{ 
clickitem.onactive.call(this,clickitem); 
} 
} 
}); 
} 
//获取当前活跃项 
function getactiveitem() 
{ 
for(var i=0,j=dfop.items.length;i<j ;i++) 
{ 
if(dfop.items[i].isactive) 
{ 
return dfop.items[i]; 
break; 
} 
} 
return null; 
} 
//根据ID获取Item数据 
function getitembyid(id) 
{ 
for(var i=0,j=dfop.items.length;i<j ;i++) 
{ 
if(dfop.items[i].id == id) 
{ 
return dfop.items[i]; 
break; 
} 
} 
return null; 
} 
function getIndexbyId(id) 
{ 
for(var i=0,j=dfop.items.length;i<j ;i++) 
{ 
if(dfop.items[i].id == id) 
{ 
return i; 
break; 
} 
} 
return -1; 
} 
//添加项 
function addtabitem(item) 
{ 
var chkitem =getitembyid(item.id); 
if(!chkitem){ 
var isactive =item.isactive; 
item.isactive =false; 
var lastitem = dfop.items[dfop.items.length-1]; 
dfop.items.push(item); 
var lastli = $("#tab_li_"+lastitem.id); 
var lastdiv = $("#tab_item_"+lastitem.id); 
var litemp =[]; 
var bodytemp = []; 
builditemlihtml(item,litemp); 
builditembodyhtml(item,bodytemp); 
var liitem = $(litemp.join("")); 
var bodyitem= $(bodytemp.join("")); 
lastli.after(liitem); 
lastdiv.after(bodyitem); 
//事件 
var li = $("#tab_li_"+item.id); 
inititemevents(li); 
if(isactive) 
{ 
li.click(); 
} 
resetscoller(); 
scolling("right",true); 
} 
else{ 
alert("指定的tab项已存在!"); 
} 
} 
function openitemOrAdd(item,allowAdd) 
{ 
var checkitem = getitembyid(item.id); 
if(!checkitem && allowAdd ) 
{ 
addtabitem(item); 
} 
else{ 
var li = $("#tab_li_"+item.id); 
scollingToli(li); 
} 
} 
//移除一个tab 项 
function deleteitembyliid(liid) 
{ 
var id= liid.substr(7); 
$("#"+liid).remove(); 
$("#tab_item_"+id).remove(); 
var index = getIndexbyId(id); 
if(index>=0) 
{ 
var nextcur; 
if(index < dfop.items.length -1) 
{ 
nextcur = dfop.items[index+1]; 
} 
else if(index>0){ 
nextcur = dfop.items[index-1]; 
} 
if(nextcur) 
{ 
$("#tab_li_"+nextcur.id).click(); 
} 
dfop.items.splice(index,1); 
resetscoller(); 
scolling("right",true); 
} 
} 
function resize(width,height) 
{ 
if(width ==dfop.width && height ==dfop.height) 
{ 
return; 
} 
if(width){ dfop.width=width}; 
if(height){ dfop.height =height;} 
innerwidth = width-2; 
bodyheight=dfop.height-headerheight; 
me.css("width",dfop.width); 
header.css("width",innerwidth); 
body.css({width:innerwidth,height:bodyheight}); 
for(var i=0,j=dfop.items.length;i<j;i++) 
{ 
var item =dfop.items[i]; 
$("#tab_item_"+item.id).css({width:innerwidth}); 
$("#tab_item_content_"+item.id).css({width:innerwidth,height:bodyheight}); 
} 
resetscoller(); 
} 
//设置选项卡项是否disabled 
function setdisabletabitem(itemId,disabled) 
{ 
var chitem= getitembyid(itemId); 
if(!chitem || chitem.disabled ==disabled) 
{ 
return; 
} 
if(disabled) 
{ 
chitem.disabled =true; 
$("#tab_item_"+item.id).addClass("x-tab-strip-disabled"); 
} 
else{ 
chitem.disabled =false; 
$("#tab_item_"+item.id).removeClass("x-tab-strip-disabled"); 
} 
} 
me[0].tab = { 
addtabitem:addtabitem, 
opentabitem:openitemOrAdd, 
resize:resize, 
setdisabletabitem:setdisabletabitem 
}; 
}; 
$.fn.addtabitem =function(item) 
{ 
if(this[0].tab) 
{ 
return this[0].tab.addtabitem(item); 
} 
return false; 
} 
$.fn.opentabitem =function(item,orAdd) 
{ 
if(this[0].tab) 
{ 
return this[0].tab.opentabitem(item,orAdd); 
} 
return false; 
} 
$.fn.resizetabpanel =function(w,h) 
{ 
if(this[0].tab) 
{ 
return this[0].tab.resize(w,h); 
} 
return false; 
} 
$.fn.setdisabletabitem =function(itemId,disabled) 
{ 
if(this[0].tab) 
{ 
return this[0].tab.setdisabletabitem(itemId,disabled); 
} 
return false; 
} 
})(jQuery);