//>>built
define("dojox/dnd/BoundingBoxController",["dojo","dojox"],function(_1,_2){return _1.declare("dojox.dnd.BoundingBoxController",null,{_startX:null,_startY:null,_endX:null,_endY:null,constructor:function(_3,_4){this.events=[_1.connect(_1.doc,"onmousedown",this,"_onMouseDown"),_1.connect(_1.doc,"onmouseup",this,"_onMouseUp"),_1.connect(_1.doc,"onscroll",this,"_finishSelecting")];this.subscriptions=[_1.subscribe("/dojox/bounding/cancel",this,"_finishSelecting")];_1.forEach(_3,function(_5){if(_5.selectByBBox){this.subscriptions.push(_1.subscribe("/dojox/dnd/bounding",_5,"selectByBBox"));}},this);this.domNode=_1.byId(_4);_1.style(this.domNode,{position:"absolute",display:"none"});},destroy:function(){_1.forEach(this.events,_1.disconnect);_1.forEach(this.subscriptions,_1.unsubscribe);this.domNode=null;},shouldStartDrawingBox:function(_6){return true;},boundingBoxIsViable:function(_7){return true;},_onMouseDown:function(_8){if(this.shouldStartDrawingBox(_8)&&_1.mouseButtons.isLeft(_8)){if(this._startX==null){this._startX=_8.clientX;this._startY=_8.clientY;}this.events.push(_1.connect(_1.doc,"onmousemove",this,"_onMouseMove"));}},_onMouseMove:function(_9){this._endX=_9.clientX;this._endY=_9.clientY;this._drawBoundingBox();},_onMouseUp:function(_a){if(this._endX!==null&&this.boundingBoxIsViable(_a)){_1.publish("/dojox/dnd/bounding",[this._startX,this._startY,this._endX,this._endY]);}this._finishSelecting();},_finishSelecting:function(){if(this._startX!==null){_1.disconnect(this.events.pop());_1.style(this.domNode,"display","none");this._startX=null;this._endX=null;}},_drawBoundingBox:function(){_1.style(this.domNode,{left:Math.min(this._startX,this._endX)+"px",top:Math.min(this._startY,this._endY)+"px",width:Math.abs(this._startX-this._endX)+"px",height:Math.abs(this._startY-this._endY)+"px",display:""});}});});