root / trunk / web / dojo / dojox / image / LightboxNano.js @ 12
History | View | Annotate | Download (3.95 KB)
1 |
/*
|
---|---|
2 |
Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
3 |
Available via Academic Free License >= 2.1 OR the modified BSD license.
|
4 |
see: http://dojotoolkit.org/license for details
|
5 |
*/
|
6 |
|
7 |
|
8 |
if(!dojo._hasResource["dojox.image.LightboxNano"]){ |
9 |
dojo._hasResource["dojox.image.LightboxNano"]=true; |
10 |
dojo.provide("dojox.image.LightboxNano");
|
11 |
dojo.require("dojo.fx");
|
12 |
(function(d){
|
13 |
var _1="absolute",_2="visibility",_3=function(){ |
14 |
var _4=(d.doc.compatMode=="BackCompat")?d.body():d.doc.documentElement,_5=dojo._docScroll(); |
15 |
return {w:_4.clientWidth,h:_4.clientHeight,l:_5.x,t:_5.y}; |
16 |
}; |
17 |
d.declare("dojox.image.LightboxNano",null,{href:"",duration:500,preloadDelay:5000,constructor:function(p,n){ |
18 |
var _6=this; |
19 |
d.mixin(_6,p); |
20 |
n=_6._node=dojo.byId(n); |
21 |
if(n){
|
22 |
if(!/a/i.test(n.tagName)){ |
23 |
var a=d.create("a",{href:_6.href,"class":n.className},n,"after"); |
24 |
n.className="";
|
25 |
a.appendChild(n); |
26 |
n=a; |
27 |
} |
28 |
d.style(n,"position","relative"); |
29 |
_6._createDiv("dojoxEnlarge",n);
|
30 |
d.setSelectable(n,false);
|
31 |
_6._onClickEvt=d.connect(n,"onclick",_6,"_load"); |
32 |
} |
33 |
if(_6.href){
|
34 |
setTimeout(function(){
|
35 |
(new Image()).src=_6.href;
|
36 |
_6._hideLoading(); |
37 |
},_6.preloadDelay); |
38 |
} |
39 |
},destroy:function(){ |
40 |
var a=this._connects||[]; |
41 |
a.push(this._onClickEvt);
|
42 |
d.forEach(a,d.disconnect); |
43 |
d.destroy(this._node);
|
44 |
},_createDiv:function(_7,_8,_9){ |
45 |
return d.create("div",{"class":_7,style:{position:_1,display:_9?"":"none"}},_8); |
46 |
},_load:function(e){ |
47 |
var _a=this; |
48 |
e&&d.stopEvent(e); |
49 |
if(!_a._loading){
|
50 |
_a._loading=true;
|
51 |
_a._reset(); |
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); |
53 |
if(ln==null){ |
54 |
_a._loadingNode=ln=_a._createDiv("dojoxLoading",_a._node,true); |
55 |
var l=d.marginBox(ln);
|
56 |
d.style(ln,{left:parseInt((c.w-l.w)/2)+"px",top:parseInt((c.h-l.h)/2)+"px"}); |
57 |
} |
58 |
c.x=a.x-10+b.l;
|
59 |
c.y=a.y-10+b.t;
|
60 |
_a._start=c; |
61 |
_a._connects=[d.connect(i,"onload",_a,"_show")]; |
62 |
i.src=_a.href; |
63 |
} |
64 |
},_hideLoading:function(){ |
65 |
if(this._loadingNode){ |
66 |
d.style(this._loadingNode,"display","none"); |
67 |
} |
68 |
this._loadingNode=false; |
69 |
},_show:function(){ |
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; |
71 |
if(_b._loadingNode){
|
72 |
_b._hideLoading(); |
73 |
} |
74 |
d.style(_b._img,{border:"10px solid #fff",visibility:"visible"}); |
75 |
d.style(_b._node,_2,"hidden");
|
76 |
_b._loading=false;
|
77 |
_b._connects=_b._connects.concat([d.connect(dd,"onmousedown",_b,"_hide"),d.connect(dd,"onkeypress",_b,"_key"),d.connect(window,"onresize",_b,"_sizeBg")]); |
78 |
if(w>_c){
|
79 |
h=h*_c/w; |
80 |
w=_c; |
81 |
} |
82 |
if(h>_d){
|
83 |
w=w*_d/h; |
84 |
h=_d; |
85 |
} |
86 |
_b._end={x:(vp.w-20-w)/2+vp.l,y:(vp.h-20-h)/2+vp.t,w:w,h:h}; |
87 |
_b._sizeBg(); |
88 |
d.fx.combine([_b._anim(_b._img,_b._coords(_b._start,_b._end)),_b._anim(bg,{opacity:0.5})]).play(); |
89 |
},_sizeBg:function(){ |
90 |
var dd=d.doc.documentElement;
|
91 |
d.style(this._bg,{top:0,left:0,width:dd.scrollWidth+"px",height:dd.scrollHeight+"px"}); |
92 |
},_key:function(e){ |
93 |
d.stopEvent(e); |
94 |
this._hide();
|
95 |
},_coords:function(s,e){ |
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}}; |
97 |
},_hide:function(){ |
98 |
var _e=this; |
99 |
d.forEach(_e._connects,d.disconnect); |
100 |
_e._connects=[]; |
101 |
d.fx.combine([_e._anim(_e._img,_e._coords(_e._end,_e._start),"_reset"),_e._anim(_e._bg,{opacity:0})]).play(); |
102 |
},_reset:function(){ |
103 |
d.style(this._node,_2,"visible"); |
104 |
d.forEach([this._img,this._bg],function(n){ |
105 |
d.destroy(n); |
106 |
n=null;
|
107 |
}); |
108 |
this._node.focus();
|
109 |
},_anim:function(_f,_10,_11){ |
110 |
return d.animateProperty({node:_f,duration:this.duration,properties:_10,onEnd:_11?d.hitch(this,_11):null}); |
111 |
},show:function(_12){ |
112 |
_12=_12||{}; |
113 |
this.href=_12.href||this.href; |
114 |
var n=d.byId(_12.origin),vp=_3();
|
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()); |
116 |
this._load();
|
117 |
if(!n){
|
118 |
d.destroy(this._node);
|
119 |
} |
120 |
}}); |
121 |
})(dojo); |
122 |
} |