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root / trunk / web / dojo / dojox / drawing / manager / Stencil.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.manager.Stencil"]){
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dojo._hasResource["dojox.drawing.manager.Stencil"]=true;
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dojo.provide("dojox.drawing.manager.Stencil");
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(function(){
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var _1,_2;
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dojox.drawing.manager.Stencil=dojox.drawing.util.oo.declare(function(_3){
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_1=_3.surface;
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this.canvas=_3.canvas;
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this.defaults=dojox.drawing.defaults.copy();
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this.undo=_3.undo;
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this.mouse=_3.mouse;
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this.keys=_3.keys;
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this.anchors=_3.anchors;
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this.stencils={};
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this.selectedStencils={};
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this._mouseHandle=this.mouse.register(this);
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dojo.connect(this.keys,"onArrow",this,"onArrow");
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dojo.connect(this.keys,"onEsc",this,"deselect");
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dojo.connect(this.keys,"onDelete",this,"onDelete");
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},{_dragBegun:false,_wasDragged:false,_secondClick:false,_isBusy:false,register:function(_4){
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if(_4.isText&&!_4.editMode&&_4.deleteEmptyCreate&&!_4.getText()){
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console.warn("EMPTY CREATE DELETE",_4);
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_4.destroy();
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return false;
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}
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this.stencils[_4.id]=_4;
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if(_4.execText){
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if(_4._text&&!_4.editMode){
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this.selectItem(_4);
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}
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_4.connect("execText",this,function(){
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if(_4.isText&&_4.deleteEmptyModify&&!_4.getText()){
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console.warn("EMPTY MOD DELETE",_4);
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this.deleteItem(_4);
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}else{
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if(_4.selectOnExec){
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this.selectItem(_4);
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}
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}
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});
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}
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_4.connect("deselect",this,function(){
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if(!this._isBusy&&this.isSelected(_4)){
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this.deselectItem(_4);
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}
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});
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_4.connect("select",this,function(){
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if(!this._isBusy&&!this.isSelected(_4)){
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this.selectItem(_4);
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}
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});
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return _4;
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},unregister:function(_5){
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if(_5){
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_5.selected&&this.onDeselect(_5);
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delete this.stencils[_5.id];
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}
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},onArrow:function(_6){
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if(this.hasSelected()){
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this.saveThrottledState();
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this.group.applyTransform({dx:_6.x,dy:_6.y});
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}
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},_throttleVrl:null,_throttle:false,throttleTime:400,_lastmxx:-1,_lastmxy:-1,saveMoveState:function(){
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var mx=this.group.getTransform();
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if(mx.dx==this._lastmxx&&mx.dy==this._lastmxy){
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return;
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}
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this._lastmxx=mx.dx;
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this._lastmxy=mx.dy;
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this.undo.add({before:dojo.hitch(this.group,"setTransform",mx)});
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},saveThrottledState:function(){
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clearTimeout(this._throttleVrl);
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clearInterval(this._throttleVrl);
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this._throttleVrl=setTimeout(dojo.hitch(this,function(){
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this._throttle=false;
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this.saveMoveState();
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}),this.throttleTime);
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if(this._throttle){
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return;
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}
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this._throttle=true;
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this.saveMoveState();
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},unDelete:function(_7){
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for(var s in _7){
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_7[s].render();
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this.onSelect(_7[s]);
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}
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},onDelete:function(_8){
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if(_8!==true){
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this.undo.add({before:dojo.hitch(this,"unDelete",this.selectedStencils),after:dojo.hitch(this,"onDelete",true)});
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}
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this.withSelected(function(m){
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this.anchors.remove(m);
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var id=m.id;
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m.destroy();
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delete this.stencils[id];
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});
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this.selectedStencils={};
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},deleteItem:function(_9){
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if(this.hasSelected()){
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var _a=[];
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for(var m in this.selectedStencils){
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if(this.selectedStencils.id==_9.id){
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if(this.hasSelected()==1){
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this.onDelete();
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return;
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}
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}else{
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_a.push(this.selectedStencils.id);
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}
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}
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this.deselect();
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this.selectItem(_9);
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this.onDelete();
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dojo.forEach(_a,function(id){
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this.selectItem(id);
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},this);
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}else{
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this.selectItem(_9);
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this.onDelete();
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}
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},removeAll:function(){
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this.selectAll();
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this._isBusy=true;
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this.onDelete();
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this.stencils={};
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this._isBusy=false;
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},setSelectionGroup:function(){
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this.withSelected(function(m){
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this.onDeselect(m,true);
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});
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if(this.group){
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_1.remove(this.group);
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this.group.removeShape();
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}
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this.group=_1.createGroup();
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this.group.setTransform({dx:0,dy:0});
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this.withSelected(function(m){
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this.group.add(m.container);
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m.select();
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});
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},setConstraint:function(){
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var t=Infinity,l=Infinity;
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this.withSelected(function(m){
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var o=m.getBounds();
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t=Math.min(o.y1,t);
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l=Math.min(o.x1,l);
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});
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this.constrain={l:-l,t:-t};
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},onDeselect:function(_b,_c){
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if(!_c){
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delete this.selectedStencils[_b.id];
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}
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this.anchors.remove(_b);
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_1.add(_b.container);
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_b.selected&&_b.deselect();
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_b.applyTransform(this.group.getTransform());
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},deselectItem:function(_d){
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this.onDeselect(_d);
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},deselect:function(){
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this.withSelected(function(m){
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this.onDeselect(m);
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});
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this._dragBegun=false;
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this._wasDragged=false;
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},onSelect:function(_e){
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if(!_e){
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console.error("null stencil is not selected:",this.stencils);
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}
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if(this.selectedStencils[_e.id]){
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return;
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}
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this.selectedStencils[_e.id]=_e;
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this.group.add(_e.container);
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_e.select();
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if(this.hasSelected()==1){
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this.anchors.add(_e,this.group);
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}
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},selectAll:function(){
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this._isBusy=true;
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for(var m in this.stencils){
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this.selectItem(m);
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}
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this._isBusy=false;
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},selectItem:function(_f){
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var id=typeof (_f)=="string"?_f:_f.id;
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var _10=this.stencils[id];
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this.setSelectionGroup();
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this.onSelect(_10);
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this.group.moveToFront();
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this.setConstraint();
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},onStencilDoubleClick:function(obj){
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if(this.selectedStencils[obj.id]){
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if(this.selectedStencils[obj.id].edit){
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var m=this.selectedStencils[obj.id];
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m.editMode=true;
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this.deselect();
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m.edit();
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}
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}
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},onAnchorUp:function(){
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this.setConstraint();
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},onStencilDown:function(obj,evt){
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if(!this.stencils[obj.id]){
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return;
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}
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this._isBusy=true;
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if(this.selectedStencils[obj.id]&&this.keys.meta){
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if(dojo.isMac&&this.keys.cmmd){
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}
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this.onDeselect(this.selectedStencils[obj.id]);
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if(this.hasSelected()==1){
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this.withSelected(function(m){
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this.anchors.add(m,this.group);
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});
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}
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this.group.moveToFront();
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this.setConstraint();
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return;
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}else{
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if(this.selectedStencils[obj.id]){
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var mx=this.group.getTransform();
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this._offx=obj.x-mx.dx;
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this._offy=obj.y-mx.dy;
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return;
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}else{
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if(!this.keys.meta){
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this.deselect();
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}else{
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}
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}
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}
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this.selectItem(obj.id);
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mx=this.group.getTransform();
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this._offx=obj.x-mx.dx;
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this._offy=obj.y-mx.dx;
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this.orgx=obj.x;
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this.orgy=obj.y;
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this._isBusy=false;
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this.undo.add({before:function(){
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},after:function(){
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}});
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},onStencilUp:function(obj){
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},onStencilDrag:function(obj){
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if(!this._dragBegun){
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this.onBeginDrag(obj);
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this._dragBegun=true;
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}else{
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this.saveThrottledState();
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var x=obj.x-obj.last.x,y=obj.y-obj.last.y,c=this.constrain,mz=this.defaults.anchors.marginZero;
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x=obj.x-this._offx;
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y=obj.y-this._offy;
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if(x<c.l+mz){
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x=c.l+mz;
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}
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if(y<c.t+mz){
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y=c.t+mz;
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}
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this.group.setTransform({dx:x,dy:y});
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}
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},onDragEnd:function(obj){
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this._dragBegun=false;
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},onBeginDrag:function(obj){
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this._wasDragged=true;
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},onDown:function(obj){
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this.deselect();
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},onStencilOver:function(obj){
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dojo.style(obj.id,"cursor","move");
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},onStencilOut:function(obj){
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dojo.style(obj.id,"cursor","crosshair");
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},exporter:function(){
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var _11=[];
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for(var m in this.stencils){
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this.stencils[m].enabled&&_11.push(this.stencils[m].exporter());
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}
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return _11;
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},listStencils:function(){
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return this.stencils;
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},toSelected:function(_12){
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var _13=Array.prototype.slice.call(arguments).splice(1);
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for(var m in this.selectedStencils){
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var _14=this.selectedStencils[m];
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_14[_12].apply(_14,_13);
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}
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},withSelected:function(_15){
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var f=dojo.hitch(this,_15);
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for(var m in this.selectedStencils){
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f(this.selectedStencils[m]);
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}
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},withUnselected:function(_16){
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var f=dojo.hitch(this,_16);
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for(var m in this.stencils){
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!this.stencils[m].selected&&f(this.stencils[m]);
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}
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},withStencils:function(_17){
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var f=dojo.hitch(this,_17);
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for(var m in this.stencils){
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f(this.stencils[m]);
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}
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},hasSelected:function(){
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var ln=0;
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for(var m in this.selectedStencils){
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ln++;
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}
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return ln;
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},isSelected:function(_18){
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return !!this.selectedStencils[_18.id];
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}});
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})();
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}