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root / trunk / web / dojo / dojox / image / Lightbox.js @ 11

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.image.Lightbox"]){
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dojo._hasResource["dojox.image.Lightbox"]=true;
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dojo.provide("dojox.image.Lightbox");
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dojo.experimental("dojox.image.Lightbox");
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dojo.require("dojo.window");
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dojo.require("dijit.Dialog");
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dojo.require("dojox.fx._base");
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dojo.declare("dojox.image.Lightbox",dijit._Widget,{group:"",title:"",href:"",duration:500,modal:false,_allowPassthru:false,_attachedDialog:null,startup:function(){
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this.inherited(arguments);
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var _1=dijit.byId("dojoxLightboxDialog");
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if(_1){
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this._attachedDialog=_1;
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}else{
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this._attachedDialog=new dojox.image.LightboxDialog({id:"dojoxLightboxDialog"});
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this._attachedDialog.startup();
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}
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if(!this.store){
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this._addSelf();
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this.connect(this.domNode,"onclick","_handleClick");
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}
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},_addSelf:function(){
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this._attachedDialog.addImage({href:this.href,title:this.title},this.group||null);
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},_handleClick:function(e){
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if(!this._allowPassthru){
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e.preventDefault();
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}else{
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return;
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}
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this.show();
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},show:function(){
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this._attachedDialog.show(this);
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},hide:function(){
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this._attachedDialog.hide();
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},disable:function(){
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this._allowPassthru=true;
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},enable:function(){
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this._allowPassthru=false;
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},onClick:function(){
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},destroy:function(){
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this._attachedDialog.removeImage(this);
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this.inherited(arguments);
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}});
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dojo.declare("dojox.image.LightboxDialog",dijit.Dialog,{title:"",inGroup:null,imgUrl:dijit._Widget.prototype._blankGif,errorMessage:"Image not found.",adjust:true,modal:false,_groups:{XnoGroupX:[]},errorImg:dojo.moduleUrl("dojox.image","resources/images/warning.png"),templateString:dojo.cache("dojox.image","resources/Lightbox.html","<div class=\"dojoxLightbox\" dojoAttachPoint=\"containerNode\">\n\t<div style=\"position:relative\">\n\t\t<div dojoAttachPoint=\"imageContainer\" class=\"dojoxLightboxContainer\" dojoAttachEvent=\"onclick: _onImageClick\">\n\t\t\t<img dojoAttachPoint=\"imgNode\" src=\"${imgUrl}\" class=\"dojoxLightboxImage\" alt=\"${title}\">\n\t\t\t<div class=\"dojoxLightboxFooter\" dojoAttachPoint=\"titleNode\">\n\t\t\t\t<div class=\"dijitInline LightboxClose\" dojoAttachPoint=\"closeButtonNode\"></div>\n\t\t\t\t<div class=\"dijitInline LightboxNext\" dojoAttachPoint=\"nextButtonNode\"></div>\t\n\t\t\t\t<div class=\"dijitInline LightboxPrev\" dojoAttachPoint=\"prevButtonNode\"></div>\n\t\t\t\t<div class=\"dojoxLightboxText\" dojoAttachPoint=\"titleTextNode\"><span dojoAttachPoint=\"textNode\">${title}</span><span dojoAttachPoint=\"groupCount\" class=\"dojoxLightboxGroupText\"></span></div>\n\t\t\t</div>\n\t\t</div>\n\t</div>\n</div>\n"),startup:function(){
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this.inherited(arguments);
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this._animConnects=[];
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this.connect(this.nextButtonNode,"onclick","_nextImage");
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this.connect(this.prevButtonNode,"onclick","_prevImage");
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this.connect(this.closeButtonNode,"onclick","hide");
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this._makeAnims();
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this._vp=dojo.window.getBox();
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return this;
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},show:function(_2){
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var _3=this;
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this._lastGroup=_2;
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if(!_3.open){
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_3.inherited(arguments);
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_3._modalconnects.push(dojo.connect(dojo.global,"onscroll",this,"_position"),dojo.connect(dojo.global,"onresize",this,"_position"),dojo.connect(dojo.body(),"onkeypress",this,"_handleKey"));
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if(!_2.modal){
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_3._modalconnects.push(dojo.connect(dijit._underlay.domNode,"onclick",this,"onCancel"));
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}
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}
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if(this._wasStyled){
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var _4=dojo.create("img",null,_3.imgNode,"after");
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dojo.destroy(_3.imgNode);
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_3.imgNode=_4;
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_3._makeAnims();
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_3._wasStyled=false;
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}
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dojo.style(_3.imgNode,"opacity","0");
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dojo.style(_3.titleNode,"opacity","0");
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var _5=_2.href;
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if((_2.group&&_2!=="XnoGroupX")||_3.inGroup){
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if(!_3.inGroup){
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_3.inGroup=_3._groups[(_2.group)];
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dojo.forEach(_3.inGroup,function(g,i){
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if(g.href==_2.href){
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_3._index=i;
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}
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});
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}
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if(!_3._index){
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_3._index=0;
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var sr=_3.inGroup[_3._index];
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_5=(sr&&sr.href)||_3.errorImg;
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}
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_3.groupCount.innerHTML=" ("+(_3._index+1)+" of "+Math.max(1,_3.inGroup.length)+")";
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_3.prevButtonNode.style.visibility="visible";
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_3.nextButtonNode.style.visibility="visible";
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}else{
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_3.groupCount.innerHTML="";
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_3.prevButtonNode.style.visibility="hidden";
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_3.nextButtonNode.style.visibility="hidden";
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}
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if(!_2.leaveTitle){
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_3.textNode.innerHTML=_2.title;
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}
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_3._ready(_5);
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},_ready:function(_6){
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var _7=this;
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_7._imgError=dojo.connect(_7.imgNode,"error",_7,function(){
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dojo.disconnect(_7._imgError);
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_7.imgNode.src=_7.errorImg;
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_7.textNode.innerHTML=_7.errorMessage;
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});
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_7._imgConnect=dojo.connect(_7.imgNode,"load",_7,function(e){
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_7.resizeTo({w:_7.imgNode.width,h:_7.imgNode.height,duration:_7.duration});
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dojo.disconnect(_7._imgConnect);
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if(_7._imgError){
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dojo.disconnect(_7._imgError);
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}
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});
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_7.imgNode.src=_6;
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},_nextImage:function(){
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if(!this.inGroup){
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return;
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}
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if(this._index+1<this.inGroup.length){
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this._index++;
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}else{
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this._index=0;
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}
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this._loadImage();
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},_prevImage:function(){
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if(this.inGroup){
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if(this._index==0){
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this._index=this.inGroup.length-1;
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}else{
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this._index--;
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}
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this._loadImage();
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}
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},_loadImage:function(){
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this._loadingAnim.play(1);
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},_prepNodes:function(){
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this._imageReady=false;
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if(this.inGroup&&this.inGroup[this._index]){
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this.show({href:this.inGroup[this._index].href,title:this.inGroup[this._index].title});
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}else{
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this.show({title:this.errorMessage,href:this.errorImg});
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}
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},resizeTo:function(_8,_9){
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var _a=dojo.boxModel=="border-box"?dojo._getBorderExtents(this.domNode).w:0,_b=_9||{h:30};
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this._lastTitleSize=_b;
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if(this.adjust&&(_8.h+_b.h+_a+80>this._vp.h||_8.w+_a+60>this._vp.w)){
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this._lastSize=_8;
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_8=this._scaleToFit(_8);
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}
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this._currentSize=_8;
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var _c=dojox.fx.sizeTo({node:this.containerNode,duration:_8.duration||this.duration,width:_8.w+_a,height:_8.h+_b.h+_a});
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this.connect(_c,"onEnd","_showImage");
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_c.play(15);
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},_scaleToFit:function(_d){
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var ns={};
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if(this._vp.h>this._vp.w){
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ns.w=this._vp.w-80;
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ns.h=ns.w*(_d.h/_d.w);
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}else{
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ns.h=this._vp.h-60-this._lastTitleSize.h;
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ns.w=ns.h*(_d.w/_d.h);
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}
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this._wasStyled=true;
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this._setImageSize(ns);
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ns.duration=_d.duration;
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return ns;
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},_setImageSize:function(_e){
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var s=this.imgNode;
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s.height=_e.h;
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s.width=_e.w;
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},_size:function(){
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},_position:function(e){
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this._vp=dojo.window.getBox();
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this.inherited(arguments);
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if(e&&e.type=="resize"){
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if(this._wasStyled){
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this._setImageSize(this._lastSize);
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this.resizeTo(this._lastSize);
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}else{
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if(this.imgNode.height+80>this._vp.h||this.imgNode.width+60>this._vp.h){
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this.resizeTo({w:this.imgNode.width,h:this.imgNode.height});
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}
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}
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}
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},_showImage:function(){
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this._showImageAnim.play(1);
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},_showNav:function(){
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var _f=dojo.marginBox(this.titleNode);
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if(_f.h>this._lastTitleSize.h){
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this.resizeTo(this._wasStyled?this._lastSize:this._currentSize,_f);
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}else{
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this._showNavAnim.play(1);
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}
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},hide:function(){
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dojo.fadeOut({node:this.titleNode,duration:200,onEnd:dojo.hitch(this,function(){
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this.imgNode.src=this._blankGif;
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})}).play(5);
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this.inherited(arguments);
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this.inGroup=null;
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this._index=null;
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},addImage:function(_10,_11){
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var g=_11;
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if(!_10.href){
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return;
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}
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if(g){
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if(!this._groups[g]){
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this._groups[g]=[];
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}
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this._groups[g].push(_10);
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}else{
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this._groups["XnoGroupX"].push(_10);
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}
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},removeImage:function(_12){
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var g=_12.group||"XnoGroupX";
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dojo.every(this._groups[g],function(_13,i,ar){
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if(_13.href==_12.href){
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ar.splice(i,1);
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return false;
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}
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return true;
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});
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},removeGroup:function(_14){
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if(this._groups[_14]){
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this._groups[_14]=[];
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}
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},_handleKey:function(e){
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if(!this.open){
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return;
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}
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var dk=dojo.keys;
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switch(e.charOrCode){
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case dk.ESCAPE:
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this.hide();
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break;
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case dk.DOWN_ARROW:
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case dk.RIGHT_ARROW:
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case 78:
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this._nextImage();
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break;
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case dk.UP_ARROW:
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case dk.LEFT_ARROW:
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case 80:
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this._prevImage();
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break;
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}
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},_makeAnims:function(){
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dojo.forEach(this._animConnects,dojo.disconnect);
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this._animConnects=[];
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this._showImageAnim=dojo.fadeIn({node:this.imgNode,duration:this.duration});
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this._animConnects.push(dojo.connect(this._showImageAnim,"onEnd",this,"_showNav"));
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this._loadingAnim=dojo.fx.combine([dojo.fadeOut({node:this.imgNode,duration:175}),dojo.fadeOut({node:this.titleNode,duration:175})]);
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this._animConnects.push(dojo.connect(this._loadingAnim,"onEnd",this,"_prepNodes"));
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this._showNavAnim=dojo.fadeIn({node:this.titleNode,duration:225});
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},onClick:function(_15){
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},_onImageClick:function(e){
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if(e&&e.target==this.imgNode){
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this.onClick(this._lastGroup);
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if(this._lastGroup.declaredClass){
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this._lastGroup.onClick(this._lastGroup);
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}
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}
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}});
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}