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root / trunk / web / dojo / dojox / mdnd / adapter / DndToDojo.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.mdnd.adapter.DndToDojo"]){
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dojo._hasResource["dojox.mdnd.adapter.DndToDojo"]=true;
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dojo.provide("dojox.mdnd.adapter.DndToDojo");
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dojo.require("dojox.mdnd.PureSource");
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dojo.require("dojox.mdnd.LazyManager");
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dojo.declare("dojox.mdnd.adapter.DndToDojo",null,{_dojoList:null,_currentDojoArea:null,_dojoxManager:null,_dragStartHandler:null,_dropHandler:null,_moveHandler:null,_moveUpHandler:null,_draggedNode:null,constructor:function(){
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this._dojoList=[];
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this._currentDojoArea=null;
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this._dojoxManager=dojox.mdnd.areaManager();
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this._dragStartHandler=dojo.subscribe("/dojox/mdnd/drag/start",this,function(_1,_2,_3){
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this._draggedNode=_1;
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this._moveHandler=dojo.connect(dojo.doc,"onmousemove",this,"onMouseMove");
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});
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this._dropHandler=dojo.subscribe("/dojox/mdnd/drop",this,function(_4,_5,_6){
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if(this._currentDojoArea){
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dojo.publish("/dojox/mdnd/adapter/dndToDojo/cancel",[this._currentDojoArea.node,this._currentDojoArea.type,this._draggedNode,this.accept]);
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}
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this._draggedNode=null;
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this._currentDojoArea=null;
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dojo.disconnect(this._moveHandler);
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});
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},_getIndexDojoArea:function(_7){
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if(_7){
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for(var i=0,l=this._dojoList.length;i<l;i++){
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if(this._dojoList[i].node===_7){
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return i;
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}
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}
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}
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return -1;
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},_initCoordinates:function(_8){
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if(_8){
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var _9=dojo.position(_8,true),_a={};
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_a.x=_9.x;
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_a.y=_9.y;
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_a.x1=_9.x+_9.w;
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_a.y1=_9.y+_9.h;
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return _a;
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}
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return null;
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},register:function(_b,_c,_d){
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if(this._getIndexDojoArea(_b)==-1){
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var _e=this._initCoordinates(_b),_f={"node":_b,"type":_c,"dojo":(_d)?_d:false,"coords":_e};
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this._dojoList.push(_f);
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if(_d&&!this._lazyManager){
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this._lazyManager=new dojox.mdnd.LazyManager();
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}
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}
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},unregisterByNode:function(_10){
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var _11=this._getIndexDojoArea(_10);
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if(_11!=-1){
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this._dojoList.splice(_11,1);
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}
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},unregisterByType:function(_12){
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if(_12){
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var _13=[];
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dojo.forEach(this._dojoList,function(_14,i){
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if(_14.type!=_12){
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_13.push(_14);
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}
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});
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this._dojoList=_13;
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}
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},unregister:function(){
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this._dojoList=[];
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},refresh:function(){
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var _15=this._dojoList;
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this.unregister();
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dojo.forEach(_15,function(_16){
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_16.coords=this._initCoordinates(_16.node);
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},this);
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this._dojoList=_15;
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},refreshByType:function(_17){
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var _18=this._dojoList;
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this.unregister();
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dojo.forEach(_18,function(_19){
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if(_19.type==_17){
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_19.coords=this._initCoordinates(_19.node);
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}
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},this);
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this._dojoList=_18;
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},_getHoverDojoArea:function(_1a){
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this._oldDojoArea=this._currentDojoArea;
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this._currentDojoArea=null;
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var x=_1a.x;
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var y=_1a.y;
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var _1b=this._dojoList.length;
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for(var i=0;i<_1b;i++){
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var _1c=this._dojoList[i];
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var _1d=_1c.coords;
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if(_1d.x<=x&&x<=_1d.x1&&_1d.y<=y&&y<=_1d.y1){
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this._currentDojoArea=_1c;
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break;
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}
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}
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},onMouseMove:function(e){
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var _1e={"x":e.pageX,"y":e.pageY};
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this._getHoverDojoArea(_1e);
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if(this._currentDojoArea!=this._oldDojoArea){
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if(this._currentDojoArea==null){
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this.onDragExit(e);
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}else{
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if(this._oldDojoArea==null){
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this.onDragEnter(e);
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}else{
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this.onDragExit(e);
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this.onDragEnter(e);
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}
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}
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}
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},isAccepted:function(_1f,_20){
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return true;
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},onDragEnter:function(e){
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if(this._currentDojoArea.dojo){
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dojo.disconnect(this._dojoxManager._dragItem.handlers.pop());
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dojo.disconnect(this._dojoxManager._dragItem.handlers.pop());
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dojo.disconnect(this._dojoxManager._dragItem.item.events.pop());
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dojo.body().removeChild(this._dojoxManager._cover);
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dojo.body().removeChild(this._dojoxManager._cover2);
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var _21=this._dojoxManager._dragItem.item.node;
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if(dojox.mdnd.adapter._dndFromDojo){
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dojox.mdnd.adapter._dndFromDojo.unsubscribeDnd();
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}
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dojo.style(_21,{"position":"relative","top":"0","left":"0"});
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this._lazyManager.startDrag(e,_21);
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var _22=dojo.connect(this._lazyManager.manager,"overSource",this,function(){
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dojo.disconnect(_22);
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if(this._lazyManager.manager.canDropFlag){
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this._dojoxManager._dropIndicator.node.style.display="none";
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}
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});
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this.cancelHandler=dojo.subscribe("/dnd/cancel",this,function(){
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var _23=this._dojoxManager._dragItem.item;
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_23.events=[dojo.connect(_23.handle,"onmousedown",_23,"onMouseDown")];
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dojo.body().appendChild(this._dojoxManager._cover);
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dojo.body().appendChild(this._dojoxManager._cover2);
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this._dojoxManager._cover.appendChild(_23.node);
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var _24=this._dojoxManager._areaList[this._dojoxManager._sourceIndexArea];
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var _25=this._dojoxManager._sourceDropIndex;
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var _26=null;
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if(_25!=_24.items.length&&_25!=-1){
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_26=_24.items[this._dojoxManager._sourceDropIndex].item.node;
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}
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if(this._dojoxManager._dropIndicator.node.style.display=="none"){
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this._dojoxManager._dropIndicator.node.style.display=="";
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}
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this._dojoxManager._dragItem.handlers.push(dojo.connect(this._dojoxManager._dragItem.item,"onDrag",this._dojoxManager,"onDrag"));
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this._dojoxManager._dragItem.handlers.push(dojo.connect(this._dojoxManager._dragItem.item,"onDragEnd",this._dojoxManager,"onDrop"));
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this._draggedNode.style.display="";
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this._dojoxManager.onDrop(this._draggedNode);
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dojo.unsubscribe(this.cancelHandler);
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dojo.unsubscribe(this.dropHandler);
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if(dojox.mdnd.adapter._dndFromDojo){
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dojox.mdnd.adapter._dndFromDojo.subscribeDnd();
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}
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});
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this.dropHandler=dojo.subscribe("/dnd/drop/before",this,function(_27){
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dojo.unsubscribe(this.cancelHandler);
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dojo.unsubscribe(this.dropHandler);
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this.onDrop();
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});
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}else{
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this.accept=this.isAccepted(this._dojoxManager._dragItem.item.node,this._currentDojoArea);
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if(this.accept){
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dojo.disconnect(this._dojoxManager._dragItem.handlers.pop());
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dojo.disconnect(this._dojoxManager._dragItem.handlers.pop());
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this._dojoxManager._dropIndicator.node.style.display="none";
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if(!this._moveUpHandler){
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this._moveUpHandler=dojo.connect(dojo.doc,"onmouseup",this,"onDrop");
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}
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}
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}
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dojo.publish("/dojox/mdnd/adapter/dndToDojo/over",[this._currentDojoArea.node,this._currentDojoArea.type,this._draggedNode,this.accept]);
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},onDragExit:function(e){
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if(this._oldDojoArea.dojo){
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dojo.unsubscribe(this.cancelHandler);
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dojo.unsubscribe(this.dropHandler);
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var _28=this._dojoxManager._dragItem.item;
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this._dojoxManager._dragItem.item.events.push(dojo.connect(_28.node.ownerDocument,"onmousemove",_28,"onMove"));
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dojo.body().appendChild(this._dojoxManager._cover);
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dojo.body().appendChild(this._dojoxManager._cover2);
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this._dojoxManager._cover.appendChild(_28.node);
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var _29=_28.node.style;
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_29.position="absolute";
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_29.left=(_28.offsetDrag.l+e.pageX)+"px";
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_29.top=(_28.offsetDrag.t+e.pageX)+"px";
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_29.display="";
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this._lazyManager.cancelDrag();
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if(dojox.mdnd.adapter._dndFromDojo){
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dojox.mdnd.adapter._dndFromDojo.subscribeDnd();
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}
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if(this._dojoxManager._dropIndicator.node.style.display=="none"){
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this._dojoxManager._dropIndicator.node.style.display="";
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}
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this._dojoxManager._dragItem.handlers.push(dojo.connect(this._dojoxManager._dragItem.item,"onDrag",this._dojoxManager,"onDrag"));
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this._dojoxManager._dragItem.handlers.push(dojo.connect(this._dojoxManager._dragItem.item,"onDragEnd",this._dojoxManager,"onDrop"));
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this._dojoxManager._dragItem.item.onMove(e);
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}else{
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if(this.accept){
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if(this._moveUpHandler){
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dojo.disconnect(this._moveUpHandler);
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this._moveUpHandler=null;
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}
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if(this._dojoxManager._dropIndicator.node.style.display=="none"){
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this._dojoxManager._dropIndicator.node.style.display="";
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}
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this._dojoxManager._dragItem.handlers.push(dojo.connect(this._dojoxManager._dragItem.item,"onDrag",this._dojoxManager,"onDrag"));
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this._dojoxManager._dragItem.handlers.push(dojo.connect(this._dojoxManager._dragItem.item,"onDragEnd",this._dojoxManager,"onDrop"));
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this._dojoxManager._dragItem.item.onMove(e);
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}
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}
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dojo.publish("/dojox/mdnd/adapter/dndToDojo/out",[this._oldDojoArea.node,this._oldDojoArea.type,this._draggedNode,this.accept]);
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},onDrop:function(e){
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if(this._currentDojoArea.dojo){
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if(dojox.mdnd.adapter._dndFromDojo){
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dojox.mdnd.adapter._dndFromDojo.subscribeDnd();
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}
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}
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if(this._dojoxManager._dropIndicator.node.style.display=="none"){
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this._dojoxManager._dropIndicator.node.style.display="";
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}
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if(this._dojoxManager._cover.parentNode&&this._dojoxManager._cover.parentNode.nodeType==1){
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dojo.body().removeChild(this._dojoxManager._cover);
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dojo.body().removeChild(this._dojoxManager._cover2);
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}
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if(this._draggedNode.parentNode==this._dojoxManager._cover){
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this._dojoxManager._cover.removeChild(this._draggedNode);
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}
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dojo.disconnect(this._moveHandler);
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dojo.disconnect(this._moveUpHandler);
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this._moveHandler=this._moveUpHandler=null;
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dojo.publish("/dojox/mdnd/adapter/dndToDojo/drop",[this._draggedNode,this._currentDojoArea.node,this._currentDojoArea.type]);
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dojo.removeClass(this._draggedNode,"dragNode");
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var _2a=this._draggedNode.style;
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_2a.position="relative";
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_2a.left="0";
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_2a.top="0";
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_2a.width="auto";
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dojo.forEach(this._dojoxManager._dragItem.handlers,dojo.disconnect);
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this._dojoxManager._deleteMoveableItem(this._dojoxManager._dragItem);
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this._draggedNode=null;
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this._currentDojoArea=null;
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this._dojoxManager._resetAfterDrop();
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}});
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dojox.mdnd.adapter._dndToDojo=null;
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dojox.mdnd.adapter.dndToDojo=function(){
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if(!dojox.mdnd.adapter._dndToDojo){
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dojox.mdnd.adapter._dndToDojo=new dojox.mdnd.adapter.DndToDojo();
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}
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return dojox.mdnd.adapter._dndToDojo;
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};
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}