| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.image.ThumbnailPicker"]){ |
| dojo._hasResource["dojox.image.ThumbnailPicker"]=true; |
| dojo.provide("dojox.image.ThumbnailPicker"); |
| dojo.experimental("dojox.image.ThumbnailPicker"); |
| dojo.require("dojox.fx.scroll"); |
| dojo.require("dojo.fx.easing"); |
| dojo.require("dojo.fx"); |
| dojo.require("dijit._Widget"); |
| dojo.require("dijit._Templated"); |
| dojo.declare("dojox.image.ThumbnailPicker",[dijit._Widget,dijit._Templated],{imageStore:null,request:null,size:500,thumbHeight:75,thumbWidth:100,useLoadNotifier:false,useHyperlink:false,hyperlinkTarget:"new",isClickable:true,isScrollable:true,isHorizontal:true,autoLoad:true,linkAttr:"link",imageThumbAttr:"imageUrlThumb",imageLargeAttr:"imageUrl",pageSize:20,titleAttr:"title",templateString:"<div dojoAttachPoint=\"outerNode\" class=\"thumbOuter\">\n\t<div dojoAttachPoint=\"navPrev\" class=\"thumbNav thumbClickable\">\n\t <img src=\"\" dojoAttachPoint=\"navPrevImg\"/> \n\t</div>\n\t<div dojoAttachPoint=\"thumbScroller\" class=\"thumbScroller\">\n\t <div dojoAttachPoint=\"thumbsNode\" class=\"thumbWrapper\"></div>\n\t</div>\n\t<div dojoAttachPoint=\"navNext\" class=\"thumbNav thumbClickable\">\n\t <img src=\"\" dojoAttachPoint=\"navNextImg\"/> \n\t</div>\n</div>\n",_thumbs:[],_thumbIndex:0,_maxPhotos:0,_loadedImages:{},postCreate:function(){ |
| this.widgetid=this.id; |
| this.inherited(arguments); |
| this.pageSize=Number(this.pageSize); |
| this._scrollerSize=this.size-(51*2); |
| var _1=this._sizeProperty=this.isHorizontal?"width":"height"; |
| dojo.style(this.outerNode,"textAlign","center"); |
| dojo.style(this.outerNode,_1,this.size+"px"); |
| dojo.style(this.thumbScroller,_1,this._scrollerSize+"px"); |
| if(this.useHyperlink){ |
| dojo.subscribe(this.getClickTopicName(),this,function(_2){ |
| var _3=_2.index; |
| var _4=this.imageStore.getValue(_2.data,this.linkAttr); |
| if(!_4){ |
| return; |
| } |
| if(this.hyperlinkTarget=="new"){ |
| window.open(_4); |
| }else{ |
| window.location=_4; |
| } |
| }); |
| } |
| if(this.isClickable){ |
| dojo.addClass(this.thumbsNode,"thumbClickable"); |
| } |
| this._totalSize=0; |
| this.init(); |
| },init:function(){ |
| if(this.isInitialized){ |
| return false; |
| } |
| var _5=this.isHorizontal?"Horiz":"Vert"; |
| dojo.addClass(this.navPrev,"prev"+_5); |
| dojo.addClass(this.navNext,"next"+_5); |
| dojo.addClass(this.thumbsNode,"thumb"+_5); |
| dojo.addClass(this.outerNode,"thumb"+_5); |
| this.navNextImg.setAttribute("src",this._blankGif); |
| this.navPrevImg.setAttribute("src",this._blankGif); |
| this.connect(this.navPrev,"onclick","_prev"); |
| this.connect(this.navNext,"onclick","_next"); |
| this.isInitialized=true; |
| if(this.isHorizontal){ |
| this._offsetAttr="offsetLeft"; |
| this._sizeAttr="offsetWidth"; |
| this._scrollAttr="scrollLeft"; |
| }else{ |
| this._offsetAttr="offsetTop"; |
| this._sizeAttr="offsetHeight"; |
| this._scrollAttr="scrollTop"; |
| } |
| this._updateNavControls(); |
| if(this.imageStore&&this.request){ |
| this._loadNextPage(); |
| } |
| return true; |
| },getClickTopicName:function(){ |
| return (this.widgetId||this.id)+"/select"; |
| },getShowTopicName:function(){ |
| return (this.widgetId||this.id)+"/show"; |
| },setDataStore:function(_6,_7,_8){ |
| this.reset(); |
| this.request={query:{},start:_7.start||0,count:_7.count||10,onBegin:dojo.hitch(this,function(_9){ |
| this._maxPhotos=_9; |
| })}; |
| if(_7.query){ |
| dojo.mixin(this.request.query,_7.query); |
| } |
| if(_8){ |
| dojo.forEach(["imageThumbAttr","imageLargeAttr","linkAttr","titleAttr"],function(_a){ |
| if(_8[_a]){ |
| this[_a]=_8[_a]; |
| } |
| },this); |
| } |
| this.request.start=0; |
| this.request.count=this.pageSize; |
| this.imageStore=_6; |
| if(!this.init()){ |
| this._loadNextPage(); |
| } |
| },reset:function(){ |
| this._loadedImages={}; |
| dojo.forEach(this._thumbs,function(_b){ |
| if(_b){ |
| if(_b.parentNode){ |
| _b.parentNode.removeChild(_b); |
| } |
| } |
| }); |
| this._thumbs=[]; |
| this.isInitialized=false; |
| this._noImages=true; |
| },isVisible:function(_c){ |
| var _d=this._thumbs[_c]; |
| if(!_d){ |
| return false; |
| } |
| var _e=this.isHorizontal?"offsetLeft":"offsetTop"; |
| var _f=this.isHorizontal?"offsetWidth":"offsetHeight"; |
| var _10=this.isHorizontal?"scrollLeft":"scrollTop"; |
| var _11=_d[_e]-this.thumbsNode[_e]; |
| return (_11>=this.thumbScroller[_10]&&_11+_d[_f]<=this.thumbScroller[_10]+this._scrollerSize); |
| },_next:function(){ |
| var pos=this.isHorizontal?"offsetLeft":"offsetTop"; |
| var _13=this.isHorizontal?"offsetWidth":"offsetHeight"; |
| var _14=this.thumbsNode[pos]; |
| var _15=this._thumbs[this._thumbIndex]; |
| var _16=_15[pos]-_14; |
| var _17=-1,img; |
| for(var i=this._thumbIndex+1;i<this._thumbs.length;i++){ |
| img=this._thumbs[i]; |
| if(img[pos]-_14+img[_13]-_16>this._scrollerSize){ |
| this._showThumbs(i); |
| return; |
| } |
| } |
| },_prev:function(){ |
| if(this.thumbScroller[this.isHorizontal?"scrollLeft":"scrollTop"]==0){ |
| return; |
| } |
| var pos=this.isHorizontal?"offsetLeft":"offsetTop"; |
| var _1b=this.isHorizontal?"offsetWidth":"offsetHeight"; |
| var _1c=this._thumbs[this._thumbIndex]; |
| var _1d=_1c[pos]-this.thumbsNode[pos]; |
| var _1e=-1,img; |
| for(var i=this._thumbIndex-1;i>-1;i--){ |
| img=this._thumbs[i]; |
| if(_1d-img[pos]>this._scrollerSize){ |
| this._showThumbs(i+1); |
| return; |
| } |
| } |
| this._showThumbs(0); |
| },_checkLoad:function(img,_22){ |
| dojo.publish(this.getShowTopicName(),[{index:_22}]); |
| this._updateNavControls(); |
| this._loadingImages={}; |
| this._thumbIndex=_22; |
| if(this.thumbsNode.offsetWidth-img.offsetLeft<(this._scrollerSize*2)){ |
| this._loadNextPage(); |
| } |
| },_showThumbs:function(_23){ |
| _23=Math.min(Math.max(_23,0),this._maxPhotos); |
| if(_23>=this._maxPhotos){ |
| return; |
| } |
| var img=this._thumbs[_23]; |
| if(!img){ |
| return; |
| } |
| var _25=img.offsetLeft-this.thumbsNode.offsetLeft; |
| var top=img.offsetTop-this.thumbsNode.offsetTop; |
| var _27=this.isHorizontal?_25:top; |
| if((_27>=this.thumbScroller[this._scrollAttr])&&(_27+img[this._sizeAttr]<=this.thumbScroller[this._scrollAttr]+this._scrollerSize)){ |
| return; |
| } |
| if(this.isScrollable){ |
| var _28=this.isHorizontal?{x:_25,y:0}:{x:0,y:top}; |
| dojox.fx.smoothScroll({target:_28,win:this.thumbScroller,duration:300,easing:dojo.fx.easing.easeOut,onEnd:dojo.hitch(this,"_checkLoad",img,_23)}).play(10); |
| }else{ |
| if(this.isHorizontal){ |
| this.thumbScroller.scrollLeft=_25; |
| }else{ |
| this.thumbScroller.scrollTop=top; |
| } |
| this._checkLoad(img,_23); |
| } |
| },markImageLoaded:function(_29){ |
| var _2a=dojo.byId("loadingDiv_"+this.widgetid+"_"+_29); |
| if(_2a){ |
| this._setThumbClass(_2a,"thumbLoaded"); |
| } |
| this._loadedImages[_29]=true; |
| },_setThumbClass:function(_2b,_2c){ |
| if(!this.autoLoad){ |
| return; |
| } |
| dojo.addClass(_2b,_2c); |
| },_loadNextPage:function(){ |
| if(this._loadInProgress){ |
| return; |
| } |
| this._loadInProgress=true; |
| var _2d=this.request.start+(this._noImages?0:this.pageSize); |
| var pos=_2d; |
| while(pos<this._thumbs.length&&this._thumbs[pos]){ |
| pos++; |
| } |
| var _2f=function(_30,_31){ |
| if(_30&&_30.length){ |
| var _32=0; |
| var _33=dojo.hitch(this,function(){ |
| if(_32>=_30.length){ |
| this._loadInProgress=false; |
| return; |
| } |
| var _34=_32++; |
| this._loadImage(_30[_34],pos+_34,_33); |
| }); |
| _33(); |
| this._updateNavControls(); |
| }else{ |
| this._loadInProgress=false; |
| } |
| }; |
| var _35=function(){ |
| this._loadInProgress=false; |
| |
| }; |
| this.request.onComplete=dojo.hitch(this,_2f); |
| this.request.onError=dojo.hitch(this,_35); |
| this.request.start=_2d; |
| this._noImages=false; |
| this.imageStore.fetch(this.request); |
| },_loadImage:function(_36,_37,_38){ |
| var url=this.imageStore.getValue(_36,this.imageThumbAttr); |
| var img=document.createElement("img"); |
| var _3b=document.createElement("div"); |
| _3b.setAttribute("id","img_"+this.widgetid+"_"+_37); |
| _3b.appendChild(img); |
| img._index=_37; |
| img._data=_36; |
| this._thumbs[_37]=_3b; |
| var _3c; |
| if(this.useLoadNotifier){ |
| _3c=document.createElement("div"); |
| _3c.setAttribute("id","loadingDiv_"+this.widgetid+"_"+_37); |
| this._setThumbClass(_3c,this._loadedImages[_37]?"thumbLoaded":"thumbNotifier"); |
| _3b.appendChild(_3c); |
| } |
| var _3d=dojo.marginBox(this.thumbsNode); |
| var _3e; |
| var _3f; |
| if(this.isHorizontal){ |
| _3e=this.thumbWidth; |
| _3f="w"; |
| }else{ |
| _3e=this.thumbHeight; |
| _3f="h"; |
| } |
| _3d=_3d[_3f]; |
| var sl=this.thumbScroller.scrollLeft,st=this.thumbScroller.scrollTop; |
| dojo.style(this.thumbsNode,this._sizeProperty,(_3d+_3e+20)+"px"); |
| this.thumbScroller.scrollLeft=sl; |
| this.thumbScroller.scrollTop=st; |
| this.thumbsNode.appendChild(_3b); |
| dojo.connect(img,"onload",this,function(){ |
| var _42=dojo.marginBox(img)[_3f]; |
| this._totalSize+=(Number(_42)+4); |
| dojo.style(this.thumbsNode,this._sizeProperty,this._totalSize+"px"); |
| if(this.useLoadNotifier){ |
| dojo.style(_3c,"width",(img.width-4)+"px"); |
| } |
| dojo.style(_3b,"width",img.width+"px"); |
| _38(); |
| return false; |
| }); |
| dojo.connect(img,"onclick",this,function(evt){ |
| dojo.publish(this.getClickTopicName(),[{index:evt.target._index,data:evt.target._data,url:img.getAttribute("src"),largeUrl:this.imageStore.getValue(_36,this.imageLargeAttr),title:this.imageStore.getValue(_36,this.titleAttr),link:this.imageStore.getValue(_36,this.linkAttr)}]); |
| return false; |
| }); |
| dojo.addClass(img,"imageGalleryThumb"); |
| img.setAttribute("src",url); |
| var _44=this.imageStore.getValue(_36,this.titleAttr); |
| if(_44){ |
| img.setAttribute("title",_44); |
| } |
| this._updateNavControls(); |
| },_updateNavControls:function(){ |
| var _45=[]; |
| var _46=function(_47,add){ |
| var fn=add?"addClass":"removeClass"; |
| dojo[fn](_47,"enabled"); |
| dojo[fn](_47,"thumbClickable"); |
| }; |
| var pos=this.isHorizontal?"scrollLeft":"scrollTop"; |
| var _4b=this.isHorizontal?"offsetWidth":"offsetHeight"; |
| _46(this.navPrev,(this.thumbScroller[pos]>0)); |
| var _4c=this._thumbs[this._thumbs.length-1]; |
| var _4d=(this.thumbScroller[pos]+this._scrollerSize<this.thumbsNode[_4b]); |
| _46(this.navNext,_4d); |
| }}); |
| } |