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