root / trunk / web / dojo / dojox / drawing / manager / Canvas.js @ 12
History | View | Annotate | Download (2.93 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.drawing.manager.Canvas"]){ |
9 |
dojo._hasResource["dojox.drawing.manager.Canvas"]=true; |
10 |
dojo.provide("dojox.drawing.manager.Canvas");
|
11 |
(function(){
|
12 |
dojox.drawing.manager.Canvas=dojox.drawing.util.oo.declare(function(_1){
|
13 |
dojo.mixin(this,_1);
|
14 |
var _2=dojo.contentBox(this.srcRefNode); |
15 |
this.height=this.parentHeight=_2.h; |
16 |
this.width=this.parentWidth=_2.w; |
17 |
this.domNode=dojo.create("div",{id:"canvasNode"},this.srcRefNode); |
18 |
dojo.style(this.domNode,{width:this.width,height:"auto"}); |
19 |
dojo.setSelectable(this.domNode,false); |
20 |
this.id=this.id||this.util.uid("surface"); |
21 |
this.gfxSurface=dojox.gfx.createSurface(this.domNode,this.width,this.height); |
22 |
this.gfxSurface.whenLoaded(this,function(){ |
23 |
setTimeout(dojo.hitch(this,function(){ |
24 |
this.surfaceReady=true; |
25 |
if(dojo.isIE){
|
26 |
}else{
|
27 |
if(dojox.gfx.renderer=="silverlight"){ |
28 |
this.id=this.domNode.firstChild.id; |
29 |
}else{
|
30 |
} |
31 |
} |
32 |
this.underlay=this.gfxSurface.createGroup(); |
33 |
this.surface=this.gfxSurface.createGroup(); |
34 |
this.overlay=this.gfxSurface.createGroup(); |
35 |
this.surface.setTransform({dx:0,dy:0,xx:1,yy:1}); |
36 |
this.gfxSurface.getDimensions=dojo.hitch(this.gfxSurface,"getDimensions"); |
37 |
if(_1.callback){
|
38 |
_1.callback(this.domNode);
|
39 |
} |
40 |
}),500);
|
41 |
}); |
42 |
this._mouseHandle=this.mouse.register(this); |
43 |
},{zoom:1,useScrollbars:true,baseClass:"drawingCanvas",resize:function(_3,_4){ |
44 |
this.parentWidth=_3;
|
45 |
this.parentHeight=_4;
|
46 |
this.setDimensions(_3,_4);
|
47 |
},setDimensions:function(_5,_6,_7,_8){ |
48 |
var sw=this.getScrollWidth(); |
49 |
this.width=Math.max(_5,this.parentWidth); |
50 |
this.height=Math.max(_6,this.parentHeight); |
51 |
if(this.height>this.parentHeight){ |
52 |
this.width-=sw;
|
53 |
} |
54 |
if(this.width>this.parentWidth){ |
55 |
this.height-=sw;
|
56 |
} |
57 |
this.mouse.resize(this.width,this.height); |
58 |
this.gfxSurface.setDimensions(this.width,this.height); |
59 |
this.domNode.parentNode.scrollTop=_8||0; |
60 |
this.domNode.parentNode.scrollLeft=_7||0; |
61 |
if(this.useScrollbars){ |
62 |
dojo.style(this.domNode.parentNode,{overflowY:this.height>this.parentHeight?"scroll":"hidden",overflowX:this.width>this.parentWidth?"scroll":"hidden"}); |
63 |
}else{
|
64 |
dojo.style(this.domNode.parentNode,{overflowY:"hidden",overflowX:"hidden"}); |
65 |
} |
66 |
},setZoom:function(_9){ |
67 |
this.zoom=_9;
|
68 |
this.surface.setTransform({xx:_9,yy:_9}); |
69 |
this.setDimensions(this.width*_9,this.height*_9); |
70 |
},onScroll:function(){ |
71 |
},getScrollOffset:function(){ |
72 |
return {top:this.domNode.parentNode.scrollTop,left:this.domNode.parentNode.scrollLeft}; |
73 |
},getScrollWidth:function(){ |
74 |
var p=dojo.create("div"); |
75 |
p.innerHTML="<div style=\"width:50px;height:50px;overflow:hidden;position:absolute;top:0;left:-1000px;\"><div style=\"height:100px;\"></div>";
|
76 |
var _a=p.firstChild;
|
77 |
dojo.body().appendChild(_a); |
78 |
var _b=dojo.contentBox(_a).h;
|
79 |
dojo.style(_a,"overflow","scroll"); |
80 |
var _c=_b-dojo.contentBox(_a).h;
|
81 |
dojo.destroy(_a); |
82 |
this.getScrollWidth=function(){ |
83 |
return _c;
|
84 |
}; |
85 |
return _c;
|
86 |
}}); |
87 |
})(); |
88 |
} |