root / trunk / web / dojo / dojox / mdnd / adapter / DndFromDojo.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.mdnd.adapter.DndFromDojo"]){ |
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| 9 | dojo._hasResource["dojox.mdnd.adapter.DndFromDojo"]=true; |
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| 10 | dojo.provide("dojox.mdnd.adapter.DndFromDojo");
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| 11 | dojo.require("dojox.mdnd.AreaManager");
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| 12 | dojo.require("dojo.dnd.Manager");
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| 13 | dojo.declare("dojox.mdnd.adapter.DndFromDojo",null,{dropIndicatorSize:{"w":0,"h":50},dropIndicatorSize:{"w":0,"h":50},_areaManager:null,_dojoManager:null,_currentArea:null,_oldArea:null,_moveHandler:null,_subscribeHandler:null,constructor:function(){ |
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| 14 | this._areaManager=dojox.mdnd.areaManager();
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| 15 | this._dojoManager=dojo.dnd.manager();
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| 16 | this._currentArea=null; |
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| 17 | this._moveHandler=null; |
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| 18 | this.subscribeDnd();
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| 19 | },subscribeDnd:function(){ |
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| 20 | this._subscribeHandler=[dojo.subscribe("/dnd/start",this,"onDragStart"),dojo.subscribe("/dnd/drop/before",this,"onDrop"),dojo.subscribe("/dnd/cancel",this,"onDropCancel"),dojo.subscribe("/dnd/source/over",this,"onDndSource")]; |
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| 21 | },unsubscribeDnd:function(){ |
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| 22 | dojo.forEach(this._subscribeHandler,dojo.unsubscribe);
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| 23 | },_getHoverArea:function(_1){ |
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| 24 | var x=_1.x;
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| 25 | var y=_1.y;
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| 26 | this._oldArea=this._currentArea; |
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| 27 | this._currentArea=null; |
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| 28 | var _2=this._areaManager._areaList; |
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| 29 | for(var i=0;i<_2.length;i++){ |
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| 30 | var _3=_2[i];
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| 31 | var _4=_3.coords.x;
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| 32 | var _5=_4+_3.node.offsetWidth;
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| 33 | var _6=_3.coords.y;
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| 34 | var _7=_6+_3.node.offsetHeight;
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| 35 | if(_4<=x&&x<=_5&&_6<=y&&y<=_7){
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| 36 | this._areaManager._oldIndexArea=this._areaManager._currentIndexArea; |
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| 37 | this._areaManager._currentIndexArea=i;
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| 38 | this._currentArea=_3.node;
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| 39 | break;
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| 40 | } |
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| 41 | } |
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| 42 | if(this._currentArea!=this._oldArea){ |
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| 43 | if(this._currentArea==null){ |
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| 44 | this.onDragExit();
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| 45 | }else{
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| 46 | if(this._oldArea==null){ |
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| 47 | this.onDragEnter();
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| 48 | }else{
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| 49 | this.onDragExit();
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| 50 | this.onDragEnter();
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| 51 | } |
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| 52 | } |
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| 53 | } |
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| 54 | },onDragStart:function(_8,_9,_a){ |
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| 55 | this._dragNode=_9[0]; |
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| 56 | this._copy=_a;
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| 57 | this._source=_8;
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| 58 | this._outSourceHandler=dojo.connect(this._dojoManager,"outSource",this,function(){ |
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| 59 | if(this._moveHandler==null){ |
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| 60 | this._moveHandler=dojo.connect(dojo.doc,"mousemove",this,"onMouseMove"); |
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| 61 | } |
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| 62 | }); |
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| 63 | },onMouseMove:function(e){ |
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| 64 | var _b={"x":e.pageX,"y":e.pageY}; |
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| 65 | this._getHoverArea(_b);
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| 66 | if(this._currentArea&&this._areaManager._accept){ |
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| 67 | if(this._areaManager._dropIndicator.node.style.visibility=="hidden"){ |
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| 68 | this._areaManager._dropIndicator.node.style.visibility=""; |
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| 69 | dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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| 70 | } |
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| 71 | this._areaManager.placeDropIndicator(_b,this.dropIndicatorSize); |
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| 72 | } |
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| 73 | },onDragEnter:function(){ |
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| 74 | var _c=this._dragNode.getAttribute("dndType"); |
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| 75 | var _d=(_c)?_c.split(/\s*,\s*/):["text"]; |
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| 76 | this._areaManager._isAccepted(_d,this._areaManager._areaList[this._areaManager._currentIndexArea].accept); |
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| 77 | if(this._dojoManager.avatar){ |
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| 78 | if(this._areaManager._accept){ |
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| 79 | dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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| 80 | }else{
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| 81 | dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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| 82 | } |
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| 83 | } |
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| 84 | },onDragExit:function(){ |
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| 85 | this._areaManager._accept=false; |
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| 86 | if(this._dojoManager.avatar){ |
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| 87 | dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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| 88 | } |
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| 89 | if(this._currentArea==null){ |
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| 90 | this._areaManager._dropMode.refreshItems(this._areaManager._areaList[this._areaManager._oldIndexArea],this._areaManager._oldDropIndex,this.dropIndicatorSize,false); |
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| 91 | this._areaManager._resetAfterDrop();
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| 92 | }else{
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| 93 | this._areaManager._dropIndicator.remove();
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| 94 | } |
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| 95 | },isAccepted:function(_e,_f){ |
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| 96 | var _10=(_e.getAttribute("dndType"))?_e.getAttribute("dndType"):"text"; |
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| 97 | if(_10&&_10 in _f){ |
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| 98 | return true; |
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| 99 | }else{
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| 100 | return false; |
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| 101 | } |
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| 102 | },onDndSource:function(_11){ |
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| 103 | if(this._currentArea==null){ |
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| 104 | return;
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| 105 | } |
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| 106 | if(_11){
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| 107 | var _12=false; |
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| 108 | if(this._dojoManager.target==_11){ |
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| 109 | _12=true;
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| 110 | }else{
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| 111 | _12=this.isAccepted(this._dragNode,_11.accept); |
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| 112 | } |
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| 113 | if(_12){
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| 114 | dojo.disconnect(this._moveHandler);
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| 115 | this._currentArea=this._moveHandler=null; |
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| 116 | var _13=this._areaManager._dropIndicator.node; |
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| 117 | if(_13&&_13.parentNode!==null&&_13.parentNode.nodeType==1){ |
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| 118 | _13.style.visibility="hidden";
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| 119 | } |
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| 120 | }else{
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| 121 | this._resetAvatar();
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| 122 | } |
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| 123 | }else{
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| 124 | if(!this._moveHandler){ |
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| 125 | this._moveHandler=dojo.connect(dojo.doc,"mousemove",this,"onMouseMove"); |
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| 126 | } |
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| 127 | this._resetAvatar();
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| 128 | } |
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| 129 | },_resetAvatar:function(){ |
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| 130 | if(this._dojoManager.avatar){ |
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| 131 | if(this._areaManager._accept){ |
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| 132 | dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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| 133 | }else{
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| 134 | dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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| 135 | } |
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| 136 | } |
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| 137 | },onDropCancel:function(){ |
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| 138 | if(this._currentArea==null){ |
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| 139 | this._areaManager._resetAfterDrop();
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| 140 | dojo.disconnect(this._moveHandler);
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| 141 | dojo.disconnect(this._outSourceHandler);
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| 142 | this._currentArea=this._moveHandler=this._outSourceHandler=null; |
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| 143 | }else{
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| 144 | if(this._areaManager._accept){ |
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| 145 | this.onDrop(this._source,[this._dragNode],this._copy,this._currentArea); |
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| 146 | }else{
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| 147 | this._currentArea=null; |
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| 148 | dojo.disconnect(this._outSourceHandler);
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| 149 | dojo.disconnect(this._moveHandler);
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| 150 | this._moveHandler=this._outSourceHandler=null; |
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| 151 | } |
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| 152 | } |
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| 153 | },onDrop:function(_14,_15,_16){ |
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| 154 | dojo.disconnect(this._moveHandler);
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| 155 | dojo.disconnect(this._outSourceHandler);
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| 156 | this._moveHandler=this._outSourceHandler=null; |
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| 157 | if(this._currentArea){ |
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| 158 | var _17=this._areaManager._currentDropIndex; |
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| 159 | dojo.publish("/dnd/drop/after",[_14,_15,_16,this._currentArea,_17]); |
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| 160 | this._currentArea=null; |
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| 161 | } |
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| 162 | if(this._areaManager._dropIndicator.node.style.visibility=="hidden"){ |
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| 163 | this._areaManager._dropIndicator.node.style.visibility=""; |
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| 164 | } |
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| 165 | this._areaManager._resetAfterDrop();
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| 166 | }}); |
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| 167 | dojox.mdnd.adapter._dndFromDojo=null;
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| 168 | (function(){
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| 169 | dojox.mdnd.adapter._dndFromDojo=new dojox.mdnd.adapter.DndFromDojo();
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| 170 | }()); |
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| 171 | } |