root / trunk / web / dojo / dojox / drawing / tools / Path.js @ 12
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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.tools.Path"]){ |
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| 9 | dojo._hasResource["dojox.drawing.tools.Path"]=true; |
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| 10 | dojo.provide("dojox.drawing.tools.Path");
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| 11 | dojox.drawing.tools.Path=dojox.drawing.util.oo.declare(dojox.drawing.stencil.Path,function(){
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| 12 | this.pathMode=""; |
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| 13 | this.currentPathMode=""; |
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| 14 | this._started=false; |
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| 15 | this.oddEvenClicks=0; |
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| 16 | },{draws:true,onDown:function(_1){
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| 17 | if(!this._started){ |
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| 18 | this.onStartPath(_1);
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| 19 | } |
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| 20 | },makeSubPath:function(_2){ |
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| 21 | if(_2){
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| 22 | if(this.currentPathMode=="Q"){ |
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| 23 | this.points.push({x:this.points[0].x,y:this.points[0].y}); |
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| 24 | } |
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| 25 | this.points.push({t:"Z"}); |
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| 26 | this.render();
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| 27 | } |
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| 28 | this.currentPathMode=""; |
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| 29 | this.pathMode="M"; |
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| 30 | },onStartPath:function(_3){ |
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| 31 | this._started=true; |
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| 32 | this.revertRenderHit=this.renderHit; |
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| 33 | this.renderHit=false; |
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| 34 | this.closePath=false; |
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| 35 | this.mouse.setEventMode("PathEdit"); |
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| 36 | this.closePoint={x:_3.x,y:_3.y}; |
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| 37 | this._kc1=this.connect(this.keys,"onEsc",this,function(){ |
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| 38 | this.onCompletePath(false); |
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| 39 | }); |
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| 40 | this._kc2=this.connect(this.keys,"onKeyUp",this,function(_4){ |
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| 41 | switch(_4.letter){
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| 42 | case "c": |
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| 43 | this.onCompletePath(true); |
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| 44 | break;
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| 45 | case "l": |
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| 46 | this.pathMode="L"; |
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| 47 | break;
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| 48 | case "m": |
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| 49 | this.makeSubPath(false); |
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| 50 | break;
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| 51 | case "q": |
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| 52 | this.pathMode="Q"; |
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| 53 | break;
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| 54 | case "s": |
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| 55 | this.pathMode="S"; |
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| 56 | break;
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| 57 | case "z": |
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| 58 | this.makeSubPath(true); |
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| 59 | break;
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| 60 | } |
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| 61 | }); |
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| 62 | },onCompletePath:function(_5){ |
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| 63 | this.remove(this.closeGuide,this.guide); |
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| 64 | var _6=this.getBounds(); |
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| 65 | if(_6.w<this.minimumSize&&_6.h<this.minimumSize){ |
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| 66 | this.remove(this.hit,this.shape,this.closeGuide); |
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| 67 | this._started=false; |
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| 68 | this.mouse.setEventMode(""); |
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| 69 | this.setPoints([]);
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| 70 | return;
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| 71 | } |
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| 72 | if(_5){
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| 73 | if(this.currentPathMode=="Q"){ |
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| 74 | this.points.push({x:this.points[0].x,y:this.points[0].y}); |
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| 75 | } |
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| 76 | this.closePath=true; |
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| 77 | } |
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| 78 | this.renderHit=this.revertRenderHit; |
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| 79 | this.renderedOnce=true; |
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| 80 | this.onRender(this); |
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| 81 | this.disconnect([this._kc1,this._kc2]); |
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| 82 | this.mouse.setEventMode(""); |
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| 83 | this.render();
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| 84 | },onUp:function(_7){ |
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| 85 | if(!this._started||!_7.withinCanvas){ |
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| 86 | return;
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| 87 | } |
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| 88 | if(this.points.length>2&&this.closeRadius>this.util.distance(_7.x,_7.y,this.closePoint.x,this.closePoint.y)){ |
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| 89 | this.onCompletePath(true); |
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| 90 | }else{
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| 91 | var p={x:_7.x,y:_7.y}; |
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| 92 | this.oddEvenClicks++;
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| 93 | if(this.currentPathMode!=this.pathMode){ |
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| 94 | if(this.pathMode=="Q"){ |
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| 95 | p.t="Q";
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| 96 | this.oddEvenClicks=0; |
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| 97 | }else{
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| 98 | if(this.pathMode=="L"){ |
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| 99 | p.t="L";
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| 100 | }else{
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| 101 | if(this.pathMode=="M"){ |
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| 102 | p.t="M";
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| 103 | this.closePoint={x:_7.x,y:_7.y}; |
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| 104 | } |
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| 105 | } |
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| 106 | } |
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| 107 | this.currentPathMode=this.pathMode; |
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| 108 | } |
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| 109 | this.points.push(p);
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| 110 | if(this.points.length>1){ |
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| 111 | this.remove(this.guide); |
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| 112 | this.render();
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| 113 | } |
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| 114 | } |
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| 115 | },createGuide:function(_8){ |
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| 116 | if(!this.points.length){ |
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| 117 | return;
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| 118 | } |
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| 119 | var _9=[].concat(this.points); |
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| 120 | var pt={x:_8.x,y:_8.y}; |
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| 121 | if(this.currentPathMode=="Q"&&this.oddEvenClicks%2){ |
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| 122 | pt.t="L";
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| 123 | } |
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| 124 | this.points.push(pt);
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| 125 | this.render();
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| 126 | this.points=_9;
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| 127 | var _a=this.util.distance(_8.x,_8.y,this.closePoint.x,this.closePoint.y); |
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| 128 | if(this.points.length>1){ |
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| 129 | if(_a<this.closeRadius&&!this.closeGuide){ |
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| 130 | var c={cx:this.closePoint.x,cy:this.closePoint.y,rx:this.closeRadius,ry:this.closeRadius}; |
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| 131 | this.closeGuide=this.container.createEllipse(c).setFill(this.closeColor); |
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| 132 | }else{
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| 133 | if(_a>this.closeRadius&&this.closeGuide){ |
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| 134 | this.remove(this.closeGuide); |
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| 135 | this.closeGuide=null; |
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| 136 | } |
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| 137 | } |
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| 138 | } |
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| 139 | },onMove:function(_b){ |
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| 140 | if(!this._started){ |
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| 141 | return;
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| 142 | } |
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| 143 | this.createGuide(_b);
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| 144 | },onDrag:function(_c){ |
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| 145 | if(!this._started){ |
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| 146 | return;
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| 147 | } |
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| 148 | this.createGuide(_c);
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| 149 | }}); |
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| 150 | dojox.drawing.tools.Path.setup={name:"dojox.drawing.tools.Path",tooltip:"Path Tool",iconClass:"iconLine"};
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| 151 | dojox.drawing.register(dojox.drawing.tools.Path.setup,"tool");
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| 152 | } |