root / trunk / web / dojo / dojox / image / LightboxNano.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.image.LightboxNano"]){ |
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| 9 | dojo._hasResource["dojox.image.LightboxNano"]=true; |
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| 10 | dojo.provide("dojox.image.LightboxNano");
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| 11 | dojo.require("dojo.fx");
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| 12 | (function(d){
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| 13 | var _1="absolute",_2="visibility",_3=function(){ |
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| 14 | var _4=(d.doc.compatMode=="BackCompat")?d.body():d.doc.documentElement,_5=dojo._docScroll(); |
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| 15 | return {w:_4.clientWidth,h:_4.clientHeight,l:_5.x,t:_5.y}; |
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| 16 | }; |
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| 17 | d.declare("dojox.image.LightboxNano",null,{href:"",duration:500,preloadDelay:5000,constructor:function(p,n){ |
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| 18 | var _6=this; |
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| 19 | d.mixin(_6,p); |
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| 20 | n=_6._node=dojo.byId(n); |
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| 21 | if(n){
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| 22 | if(!/a/i.test(n.tagName)){ |
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| 23 | var a=d.create("a",{href:_6.href,"class":n.className},n,"after"); |
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| 24 | n.className="";
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| 25 | a.appendChild(n); |
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| 26 | n=a; |
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| 27 | } |
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| 28 | d.style(n,"position","relative"); |
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| 29 | _6._createDiv("dojoxEnlarge",n);
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| 30 | d.setSelectable(n,false);
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| 31 | _6._onClickEvt=d.connect(n,"onclick",_6,"_load"); |
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| 32 | } |
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| 33 | if(_6.href){
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| 34 | setTimeout(function(){
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| 35 | (new Image()).src=_6.href;
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| 36 | _6._hideLoading(); |
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| 37 | },_6.preloadDelay); |
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| 38 | } |
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| 39 | },destroy:function(){ |
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| 40 | var a=this._connects||[]; |
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| 41 | a.push(this._onClickEvt);
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| 42 | d.forEach(a,d.disconnect); |
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| 43 | d.destroy(this._node);
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| 44 | },_createDiv:function(_7,_8,_9){ |
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| 45 | return d.create("div",{"class":_7,style:{position:_1,display:_9?"":"none"}},_8); |
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| 46 | },_load:function(e){ |
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| 47 | var _a=this; |
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| 48 | e&&d.stopEvent(e); |
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| 49 | if(!_a._loading){
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| 50 | _a._loading=true;
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| 51 | _a._reset(); |
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| 52 | var i=_a._img=d.create("img",{style:{visibility:"hidden",cursor:"pointer",position:_1,top:0,left:0,zIndex:9999999}},d.body()),ln=_a._loadingNode,n=d.query("img",_a._node)[0]||_a._node,a=d.position(n,true),c=d.contentBox(n),b=d._getBorderExtents(n); |
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| 53 | if(ln==null){ |
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| 54 | _a._loadingNode=ln=_a._createDiv("dojoxLoading",_a._node,true); |
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| 55 | var l=d.marginBox(ln);
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| 56 | d.style(ln,{left:parseInt((c.w-l.w)/2)+"px",top:parseInt((c.h-l.h)/2)+"px"});
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| 57 | } |
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| 58 | c.x=a.x-10+b.l;
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| 59 | c.y=a.y-10+b.t;
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| 60 | _a._start=c; |
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| 61 | _a._connects=[d.connect(i,"onload",_a,"_show")]; |
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| 62 | i.src=_a.href; |
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| 63 | } |
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| 64 | },_hideLoading:function(){ |
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| 65 | if(this._loadingNode){ |
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| 66 | d.style(this._loadingNode,"display","none"); |
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| 67 | } |
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| 68 | this._loadingNode=false; |
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| 69 | },_show:function(){ |
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| 70 | var _b=this,vp=_3(),w=_b._img.width,h=_b._img.height,_c=parseInt((vp.w-20)*0.9),_d=parseInt((vp.h-20)*0.9),dd=d.doc,bg=_b._bg=d.create("div",{style:{backgroundColor:"#000",opacity:0,position:_1,zIndex:9999998}},d.body()),ln=_b._loadingNode; |
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| 71 | if(_b._loadingNode){
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| 72 | _b._hideLoading(); |
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| 73 | } |
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| 74 | d.style(_b._img,{border:"10px solid #fff",visibility:"visible"});
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| 75 | d.style(_b._node,_2,"hidden");
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| 76 | _b._loading=false;
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| 77 | _b._connects=_b._connects.concat([d.connect(dd,"onmousedown",_b,"_hide"),d.connect(dd,"onkeypress",_b,"_key"),d.connect(window,"onresize",_b,"_sizeBg")]); |
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| 78 | if(w>_c){
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| 79 | h=h*_c/w; |
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| 80 | w=_c; |
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| 81 | } |
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| 82 | if(h>_d){
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| 83 | w=w*_d/h; |
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| 84 | h=_d; |
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| 85 | } |
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| 86 | _b._end={x:(vp.w-20-w)/2+vp.l,y:(vp.h-20-h)/2+vp.t,w:w,h:h};
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| 87 | _b._sizeBg(); |
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| 88 | d.fx.combine([_b._anim(_b._img,_b._coords(_b._start,_b._end)),_b._anim(bg,{opacity:0.5})]).play();
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| 89 | },_sizeBg:function(){ |
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| 90 | var dd=d.doc.documentElement;
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| 91 | d.style(this._bg,{top:0,left:0,width:dd.scrollWidth+"px",height:dd.scrollHeight+"px"}); |
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| 92 | },_key:function(e){ |
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| 93 | d.stopEvent(e); |
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| 94 | this._hide();
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| 95 | },_coords:function(s,e){ |
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| 96 | return {left:{start:s.x,end:e.x},top:{start:s.y,end:e.y},width:{start:s.w,end:e.w},height:{start:s.h,end:e.h}}; |
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| 97 | },_hide:function(){ |
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| 98 | var _e=this; |
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| 99 | d.forEach(_e._connects,d.disconnect); |
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| 100 | _e._connects=[]; |
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| 101 | d.fx.combine([_e._anim(_e._img,_e._coords(_e._end,_e._start),"_reset"),_e._anim(_e._bg,{opacity:0})]).play(); |
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| 102 | },_reset:function(){ |
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| 103 | d.style(this._node,_2,"visible"); |
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| 104 | d.forEach([this._img,this._bg],function(n){ |
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| 105 | d.destroy(n); |
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| 106 | n=null;
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| 107 | }); |
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| 108 | this._node.focus();
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| 109 | },_anim:function(_f,_10,_11){ |
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| 110 | return d.animateProperty({node:_f,duration:this.duration,properties:_10,onEnd:_11?d.hitch(this,_11):null}); |
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| 111 | },show:function(_12){ |
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| 112 | _12=_12||{};
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| 113 | this.href=_12.href||this.href; |
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| 114 | var n=d.byId(_12.origin),vp=_3();
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| 115 | this._node=n||d.create("div",{style:{position:_1,width:0,hieght:0,left:(vp.l+(vp.w/2))+"px",top:(vp.t+(vp.h/2))+"px"}},d.body()); |
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| 116 | this._load();
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| 117 | if(!n){
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| 118 | d.destroy(this._node);
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| 119 | } |
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| 120 | }}); |
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| 121 | })(dojo); |
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| 122 | } |