Project

General

Profile

Statistics
| Revision:

root / trunk / web / dojo / dojox / drawing / manager / Canvas.js

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
}