root / trunk / web / dojo / dojox / drawing / manager / Canvas.js @ 13
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| 1 | 9 | andrej.cim | /*
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|---|---|---|---|
| 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 | } |