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root / trunk / web / dojo / dojox / sketch / Annotation.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.sketch.Annotation"]){
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dojo._hasResource["dojox.sketch.Annotation"]=true;
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dojo.provide("dojox.sketch.Annotation");
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dojo.require("dojox.sketch.Anchor");
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dojo.require("dojox.sketch._Plugin");
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(function(){
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var ta=dojox.sketch;
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dojo.declare("dojox.sketch.AnnotationTool",ta._Plugin,{onMouseDown:function(e){
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this._omd=true;
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},onMouseMove:function(e,_1){
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if(!this._omd){
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return;
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}
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if(this._cshape){
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this._cshape.setShape(_1);
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}else{
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this._cshape=this.figure.surface.createRect(_1).setStroke({color:"#999",width:1,style:"ShortDot"}).setFill([255,255,255,0.7]);
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this._cshape.getEventSource().setAttribute("shape-rendering","crispEdges");
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}
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},onMouseUp:function(e){
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if(!this._omd){
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return;
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}
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this._omd=false;
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var f=this.figure;
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if(this._cshape){
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f.surface.remove(this._cshape);
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delete this._cshape;
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}
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if(!(f._startPoint.x==e.pageX&&f._startPoint.y==e.pageY)){
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var _2=10;
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if(Math.max(_2,Math.abs(f._absEnd.x-f._start.x),Math.abs(f._absEnd.y-f._start.y))>_2){
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this._create(f._start,f._end);
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}
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}
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},_create:function(_3,_4){
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var f=this.figure;
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var _5=f.nextKey();
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var a=new (this.annotation)(f,_5);
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a.transform={dx:f._calCol(_3.x/f.zoomFactor),dy:f._calCol(_3.y/f.zoomFactor)};
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a.end={x:f._calCol(_4.x/f.zoomFactor),y:f._calCol(_4.y/f.zoomFactor)};
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if(a.control){
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a.control={x:f._calCol((_4.x/2)/f.zoomFactor),y:f._calCol((_4.y/2)/f.zoomFactor)};
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}
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f.onBeforeCreateShape(a);
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a.initialize();
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f.select(a);
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f.onCreateShape(a);
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f.history.add(ta.CommandTypes.Create,a);
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}});
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ta.Annotation=function(_6,id){
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this.id=this._key=id;
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this.figure=_6;
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this.mode=ta.Annotation.Modes.View;
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this.shape=null;
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this.boundingBox=null;
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this.hasAnchors=true;
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this.anchors={};
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this._properties={"stroke":{color:"blue",width:2},"font":{family:"Arial",size:16,weight:"bold"},"fill":"blue","label":""};
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if(this.figure){
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this.figure.add(this);
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}
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};
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var p=ta.Annotation.prototype;
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p.constructor=ta.Annotation;
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p.type=function(){
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return "";
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};
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p.getType=function(){
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return ta.Annotation;
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};
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p.onRemove=function(_7){
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this.figure.history.add(ta.CommandTypes.Delete,this,this.serialize());
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};
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p.property=function(_8,_9){
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var r;
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_8=_8.toLowerCase();
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if(this._properties[_8]!==undefined){
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r=this._properties[_8];
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}
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if(arguments.length>1){
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this._properties[_8]=_9;
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if(r!=_9){
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this.onPropertyChange(_8,r);
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}
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}
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return r;
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};
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p.onPropertyChange=function(_a,_b){
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};
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p.onCreate=function(){
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this.figure.history.add(ta.CommandTypes.Create,this);
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};
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p.onDblClick=function(e){
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var l=prompt("Set new text:",this.property("label"));
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if(l!==false){
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this.beginEdit(ta.CommandTypes.Modify);
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this.property("label",l);
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this.draw();
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this.endEdit();
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}
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};
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p.initialize=function(){
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};
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p.destroy=function(){
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};
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p.draw=function(){
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};
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p.apply=function(_c){
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};
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p.serialize=function(){
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};
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p.getBBox=function(){
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};
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p.beginEdit=function(_d){
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if(!this._type){
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this._type=_d||ta.CommandTypes.Move;
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this._prevState=this.serialize();
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}
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};
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p.endEdit=function(){
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if(this._prevState!=this.serialize()){
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this.figure.history.add(this._type,this,this._prevState);
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}
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this._type=this._prevState="";
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};
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p.calculate={slope:function(p1,p2){
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if(!(p1.x-p2.x)){
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return 0;
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}
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return ((p1.y-p2.y)/(p1.x-p2.x));
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},dx:function(p1,p2,dy){
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var s=this.slope(p1,p2);
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if(s==0){
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return s;
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}
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return dy/s;
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},dy:function(p1,p2,dx){
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return this.slope(p1,p2)*dx;
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}};
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p.drawBBox=function(){
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var r=this.getBBox();
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if(!this.boundingBox){
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this.boundingBox=this.shape.createRect(r).moveToBack().setStroke({color:"#999",width:1,style:"Dash"}).setFill([238,238,238,0.3]);
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this.boundingBox.getEventSource().setAttribute("id",this.id+"-boundingBox");
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this.boundingBox.getEventSource().setAttribute("shape-rendering","crispEdges");
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this.figure._add(this);
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}else{
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this.boundingBox.setShape(r);
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}
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};
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p.setBinding=function(pt){
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this.transform.dx+=pt.dx;
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this.transform.dy+=pt.dy;
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this.draw();
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};
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p.getTextBox=function(_e){
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var fp=this.property("font");
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var f={fontFamily:fp.family,fontSize:fp.size,fontWeight:fp.weight};
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if(_e){
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f.fontSize=Math.floor(f.fontSize/_e);
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}
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return dojox.gfx._base._getTextBox(this.property("label"),f);
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};
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p.setMode=function(m){
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if(this.mode==m){
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return;
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}
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this.mode=m;
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var _f="disable";
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if(m==ta.Annotation.Modes.Edit){
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_f="enable";
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}
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if(_f=="enable"){
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this.drawBBox();
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this.figure._add(this);
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}else{
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if(this.boundingBox){
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if(this.shape){
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this.shape.remove(this.boundingBox);
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}
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this.boundingBox=null;
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}
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}
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for(var p in this.anchors){
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this.anchors[p][_f]();
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}
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};
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p.zoom=function(pct){
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pct=pct||this.figure.zoomFactor;
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if(this.labelShape){
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var f=dojo.clone(this.property("font"));
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f.size=Math.ceil(f.size/pct)+"px";
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this.labelShape.setFont(f);
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}
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for(var n in this.anchors){
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this.anchors[n].zoom(pct);
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}
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if(dojox.gfx.renderer=="vml"){
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pct=1;
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}
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if(this.pathShape){
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var s=dojo.clone(this.property("stroke"));
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s.width=pct>1?s.width:Math.ceil(s.width/pct)+"px";
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this.pathShape.setStroke(s);
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}
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};
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p.writeCommonAttrs=function(){
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return "id=\""+this.id+"\" dojoxsketch:type=\""+this.type()+"\""+" transform=\"translate("+this.transform.dx+","+this.transform.dy+")\""+(this.data?(" ><![CDATA[data:"+dojo.toJson(this.data)+"]]"):"");
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};
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p.readCommonAttrs=function(obj){
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var i=0,cs=obj.childNodes,c;
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while((c=cs[i++])){
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if(c.nodeType==4){
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if(c.nodeValue.substr(0,11)=="properties:"){
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this._properties=dojo.fromJson(c.nodeValue.substr(11));
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}else{
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if(c.nodeValue.substr(0,5)=="data:"){
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this.data=dojo.fromJson(c.nodeValue.substr(5));
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}else{
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console.error("unknown CDATA node in node ",obj);
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}
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}
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}
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}
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if(obj.getAttribute("transform")){
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var t=obj.getAttribute("transform").replace("translate(","");
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var pt=t.split(",");
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this.transform.dx=parseFloat(pt[0],10);
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this.transform.dy=parseFloat(pt[1],10);
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}
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};
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ta.Annotation.Modes={View:0,Edit:1};
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ta.Annotation.register=function(_10,_11){
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var cls=ta[_10+"Annotation"];
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ta.registerTool(_10,function(p){
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dojo.mixin(p,{shape:_10,annotation:cls});
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return new (_11||ta.AnnotationTool)(p);
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});
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};
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})();
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}