root / trunk / web / dojo / dojox / drawing / tools / Path.js @ 12
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/*
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Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.drawing.tools.Path"]){ |
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dojo._hasResource["dojox.drawing.tools.Path"]=true; |
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dojo.provide("dojox.drawing.tools.Path");
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dojox.drawing.tools.Path=dojox.drawing.util.oo.declare(dojox.drawing.stencil.Path,function(){
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this.pathMode=""; |
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this.currentPathMode=""; |
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this._started=false; |
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this.oddEvenClicks=0; |
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},{draws:true,onDown:function(_1){ |
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if(!this._started){ |
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this.onStartPath(_1);
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} |
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},makeSubPath:function(_2){ |
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if(_2){
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if(this.currentPathMode=="Q"){ |
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this.points.push({x:this.points[0].x,y:this.points[0].y}); |
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} |
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this.points.push({t:"Z"}); |
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this.render();
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} |
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this.currentPathMode=""; |
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this.pathMode="M"; |
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},onStartPath:function(_3){ |
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this._started=true; |
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this.revertRenderHit=this.renderHit; |
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this.renderHit=false; |
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this.closePath=false; |
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this.mouse.setEventMode("PathEdit"); |
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this.closePoint={x:_3.x,y:_3.y}; |
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this._kc1=this.connect(this.keys,"onEsc",this,function(){ |
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this.onCompletePath(false); |
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}); |
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this._kc2=this.connect(this.keys,"onKeyUp",this,function(_4){ |
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switch(_4.letter){
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case "c": |
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this.onCompletePath(true); |
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break;
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case "l": |
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this.pathMode="L"; |
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break;
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case "m": |
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this.makeSubPath(false); |
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break;
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case "q": |
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this.pathMode="Q"; |
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break;
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case "s": |
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this.pathMode="S"; |
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break;
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case "z": |
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this.makeSubPath(true); |
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break;
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} |
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}); |
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},onCompletePath:function(_5){ |
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this.remove(this.closeGuide,this.guide); |
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var _6=this.getBounds(); |
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if(_6.w<this.minimumSize&&_6.h<this.minimumSize){ |
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this.remove(this.hit,this.shape,this.closeGuide); |
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this._started=false; |
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this.mouse.setEventMode(""); |
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this.setPoints([]);
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return;
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} |
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if(_5){
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if(this.currentPathMode=="Q"){ |
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this.points.push({x:this.points[0].x,y:this.points[0].y}); |
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} |
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this.closePath=true; |
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} |
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this.renderHit=this.revertRenderHit; |
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this.renderedOnce=true; |
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this.onRender(this); |
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this.disconnect([this._kc1,this._kc2]); |
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this.mouse.setEventMode(""); |
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this.render();
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},onUp:function(_7){ |
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if(!this._started||!_7.withinCanvas){ |
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return;
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} |
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if(this.points.length>2&&this.closeRadius>this.util.distance(_7.x,_7.y,this.closePoint.x,this.closePoint.y)){ |
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this.onCompletePath(true); |
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}else{
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var p={x:_7.x,y:_7.y}; |
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this.oddEvenClicks++;
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if(this.currentPathMode!=this.pathMode){ |
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if(this.pathMode=="Q"){ |
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p.t="Q";
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this.oddEvenClicks=0; |
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}else{
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if(this.pathMode=="L"){ |
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p.t="L";
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}else{
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if(this.pathMode=="M"){ |
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p.t="M";
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this.closePoint={x:_7.x,y:_7.y}; |
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} |
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} |
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} |
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this.currentPathMode=this.pathMode; |
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} |
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this.points.push(p);
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if(this.points.length>1){ |
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this.remove(this.guide); |
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this.render();
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} |
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} |
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},createGuide:function(_8){ |
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if(!this.points.length){ |
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return;
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} |
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var _9=[].concat(this.points); |
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var pt={x:_8.x,y:_8.y}; |
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if(this.currentPathMode=="Q"&&this.oddEvenClicks%2){ |
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pt.t="L";
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} |
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this.points.push(pt);
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this.render();
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this.points=_9;
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var _a=this.util.distance(_8.x,_8.y,this.closePoint.x,this.closePoint.y); |
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if(this.points.length>1){ |
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if(_a<this.closeRadius&&!this.closeGuide){ |
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var c={cx:this.closePoint.x,cy:this.closePoint.y,rx:this.closeRadius,ry:this.closeRadius}; |
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this.closeGuide=this.container.createEllipse(c).setFill(this.closeColor); |
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}else{
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if(_a>this.closeRadius&&this.closeGuide){ |
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this.remove(this.closeGuide); |
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this.closeGuide=null; |
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} |
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} |
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} |
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},onMove:function(_b){ |
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if(!this._started){ |
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return;
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} |
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this.createGuide(_b);
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},onDrag:function(_c){ |
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if(!this._started){ |
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return;
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} |
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this.createGuide(_c);
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}}); |
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dojox.drawing.tools.Path.setup={name:"dojox.drawing.tools.Path",tooltip:"Path Tool",iconClass:"iconLine"}; |
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dojox.drawing.register(dojox.drawing.tools.Path.setup,"tool");
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} |