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