myBook.Web/js/pptBox.js

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   /**
    * PPT 盒子
    * 李清清 2012-05-17
    */
    function PPTBox()
    {
        this.uid = PPTBoxHelper.getId();
        PPTBoxHelper.instance[this.uid] = this;
        this._$ = function(id){return document.getElementById(id);};
        this.width = 400;//宽度
        this.height = 300;//高度
        this.picWidth = 15;//小图宽度
        this.picHeight = 12;//小图高度
        this.autoplayer = 4;//自动播放间隔（秒）
        this.target = "_blank";
        this._box = [];
        this._curIndex = 0;
    }
    PPTBox.prototype =
    {
        _createMainBox : function (){
            var flashBoxWidth = this.width * this._box.length + 5;
            var html="<div id='"+this.uid+"_mainbox' class='mainbox'  style='width:"+(this.width)+"px;height:"+(this.height+2)+"px;'>";
            html += "<div id='"+this.uid+"_flashbox' class='flashbox' style='width:"+flashBoxWidth+"px;height:"+(this.height+2)+"px;'></div>";
            html += "<div id='"+this.uid+"_imagebox' class='imagebox' style='width:"+this.width+"px;height:"+(this.picHeight+2)+"px;top:-"+(this.picHeight+20)+"px;'></div>";
            html += "</div>";
            document.write(html);
        },
        _init : function (){
            var picstyle= "";
            var eventstr = "PPTBoxHelper.instance['"+this.uid+"']";
            var imageHTML="";
            var flashbox = "";
            for(var i=0;i<this._box.length;i++){
                var parame = this._box[i];
                flashbox += this.flashHTML(parame.url,this.width,this.height,i);
                imageHTML ="<div class='bitdiv "+((i==0)?"curimg":"defimg")+"' title ="+parame.title+" src='bit01.gif' "+picstyle+" onclick = \""+eventstr+".clickPic("+i+")\"  onmouseover=\""+eventstr+".mouseoverPic("+i+")\"></div>" + imageHTML;
            }
            this._$(this.uid+"_flashbox").innerHTML = flashbox;
            this._$(this.uid+"_imagebox").innerHTML = imageHTML;

        },
        _play : function(){
            clearInterval(this._autoplay);
            var idx = this._curIndex+1;
            if(idx>=this._box.length){idx=0;}
            this.changeIndex(idx);
            var eventstr = "PPTBoxHelper.instance['"+this.uid+"']._play()";
            this._autoplay = setInterval(eventstr,this.autoplayer*1000);

        },
        flashHTML : function(url,width,height,idx) {
            var isFlash = url.substring(url.lastIndexOf('.')+1).toLowerCase()=="swf";
            var html = "";
            if(isFlash){
                html = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' "
                + "codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' width='"+width+"' height='"+height+"'>"
                + "<param name=\"movie\" value=\""+url+"\" />"
                + "<param name='quality' value='high' />"
                + "<param name='wmode' value='transparent'>"
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