复制代码 代码如下:

/*---------------------------------------------------------------------------*

| Subject: Rotate AD

| NameSpace: System.Web.UI.WebControls.MzRotateImage

| Author: meizz

| Created: 2006-11-11

| Version: 2006-12-06

|-----------------------------------

| MSN: huangfr@msn.com QQ:112889082 Copyright (c) meizz

| http://www.meizz.com/jsframework/ MIT-style license

| The above copyright notice and this permission notice shall be

| included in all copies or substantial portions of the Software

| Changer: Worm

| AlterDate: 2009-09-15

*---------------------------------------------------------------------------*/

//Using("System.Data.MzDataProvider");

//Using("System.Web.Forms.MzBehavior");

//node{url, target, summary, img, alt}

function MzRotateImage()

{

MzDataProvider.call(this); this.stateChangeHandle(1);

this.width = 280;

this.height= 187;

this.timer = null;

this.interval = 10000;

this.duration = 2000;

this.activeIndex = 1;

this.currentIndex = 0;

this.floatControlBar = true;

this.useFilter = System.ie && MzBrowser.version>=5.5;

}

MzRotateImage.Extends(MzDataProvider, "MzRotateImage");

System.loadCssFile(System.resourcePath +"/MzRotateImage.css", "MzRotateImage_CSS");

MzRotateImage.prototype.render=function()

{

this.dataInit(); this.images=new Array();

var d = this.nodes = this.rootNode.childNodes;

for(var i=0; i<d.length; i++)

{

this.images[i] = new Image();

this.images[i].src = d[i].get("img");

}

var id=this.id="MzRotateImage_"+this.hashCode,s=[];

var width = this.width = parseInt(this.width);

var height = this.height = parseInt(this.height);

s.push("<div id='"+id+"'+width+"px;'>");

s.push("<div id='"+id+"_ImageBox'+ height +"px'>");

if(this.useFilter) { if(d.length>0) //filter: revealTrans

{

var alt = d[0].get("alt"), src = this.images[0].src;

s.push("<a href='#'><img alt='"+ alt +"' src='"+src+"' ");if(d.length>1)

s.push("+(this.duration/1000)+")'");

s.push(" id='"+ id +"_img' width="+this.width+" height="+this.height+" />");

s.push("<div id='"+ id +"_div'+ width +"px; height:25px;overflow:hidden; white-space:nowrap; text-overflow:ellipsis;cursor:hand;' align='center' >"+alt+"</div></a>");

}

}

else { for(i=0; i<d.length; i++) //new MzBehavior.Rotate()

{

s.push("<div id='"+id+"_item_"+i+"'+width+"px;");

if (i>0) s.push(" display: none;");

s.push(" height: "+ height +"px; overflow: hidden;'>");

s.push("<a href='"+ (d[i].get("url") || "#")+"'");

s.push(" target='"+ (d[i].get("target") || "_self") +"'>");

s.push("<img alt='"+(d[i].get("alt") || "") +"'");

s.push(" src='"+ this.images[i].src +"'/>");

s.push("<div+ width +"px; height:25px;cursor:hand;overflow:hidden; white-space:nowrap; text-overflow:ellipsis;' align='center' >"+d[i].get("alt")+"</div></a></div>");

}

}

s.push("</div><div+ width +"px; ");

s.push((this.floatControlBar?"margin-top: -48px":"") +"' ");

s.push(" id='"+id+"_ControlBar'>");

for(i=0;i<d.length;i++)s.push("<input type='button' value='"+(i+1)+"'/>");

s.push("</div>"); s.push("</div>"); s = s.join("");

this.stateChangeHandle(2); this._onload();

return s;

};

MzRotateImage.prototype.stateChangeHandle=function(n)

{

this.readyState = n||0;

this.dispatchEvent(new System.Event("onreadystatechange"));

};

MzRotateImage.prototype._onload=function()

{

var me=this;

if(MzElement.check(this.id))

{

this.stateChangeHandle(4);

if(this.useFilter) this.timer=

setTimeout(function(){me.filter();}, me.interval+me.duration);

else

{

this._rotate = new MzBehavior.Rotate(me.id +"_ImageBox",

{interval:me.interval,duration:me.duration});

this._rotate.addEventListeners("onchange", function(e)

{

me.activeIndex = e.target.activeIndex;

me.currentIndex = e.target.currentIndex;

e= new System.Event("onchange"); e.target=me;

me.dispatchEvent(e);

});

}

var A = MzElement.check(this.id+"_ControlBar").getElementsByTagName("INPUT");

A[this.currentIndex].className = "active";

this.addEventListeners("onchange", function(e)

{

for(var i=0; i<A.length; i++) A[i].className="";

if(A.length>1)

{

A[e.target.activeIndex].className = "active";

}

else

{

A[0].className = "active";

}

});

for(var i=0; i<A.length; i++)

{

var f=new Function("Instance('"+ this.hashCode +"').focus("+ i +")");

A[i].onmouseover = f; A[i].onclick = f;

}

}

else setTimeout(function(){me._onload();}, 10);

};

MzRotateImage.prototype.focus=function(n)

{

clearTimeout(this.timer);

if(this.useFilter){this.activeIndex=n; this.filter();}

else if(this._rotate) this._rotate.focus(n);

};

MzRotateImage.prototype.filter=function()

{

var me = this;

if(me.dispatchEvent(new System.Event("onchange")))

{

var img;

if(img=MzElement.check(me.id +"_img"))

{

var a = img.parentNode;

var N;

if(me.nodes.length==1)

N=0

else

N=me.activeIndex;

this.currentIndex = N;

this.activeIndex = N+1>=me.nodes.length ? 0 : N+1;

var dv=MzElement.check(me.id +"_div");

dv.innerText=me.nodes[N].get("alt");

a.href = (me.nodes[N].get("url") || "#");

a.target = (me.nodes[N].get("target") || "_self");

img.src=me.images[N].src;

img.alt=me.nodes[N].get("alt");

if(me.nodes.length >1)

{

img.filters.revealTrans.Transition=23;

img.filters.revealTrans.apply();

img.filters.revealTrans.play();

}

}

}

me.interval = 5000;

this.timer=setTimeout(function(){me.filter();}, me.interval+me.duration);

};