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/*
	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dijit._tree.dndSource"]){dojo._hasResource["dijit._tree.dndSource"]=true;dojo.provide("dijit._tree.dndSource");dojo.require("dijit._tree.dndSelector");dojo.require("dojo.dnd.Manager");dojo.declare("dijit._tree.dndSource",dijit._tree.dndSelector,{isSource:true,copyOnly:false,skipForm:false,dragThreshold:0,accept:["text"],constructor:function(_1,_2){if(!_2){_2={};}dojo.mixin(this,_2);this.isSource=typeof _2.isSource=="undefined"?true:_2.isSource;var _3=_2.accept instanceof Array?_2.accept:["text"];this.accept=null;if(_3.length){this.accept={};for(var i=0;i<_3.length;++i){this.accept[_3[i]]=1;}}this.isDragging=false;this.mouseDown=false;this.targetAnchor=null;this.targetBox=null;this.before=true;this._lastX=0;this._lastY=0;this.sourceState="";if(this.isSource){dojo.addClass(this.node,"dojoDndSource");}this.targetState="";if(this.accept){dojo.addClass(this.node,"dojoDndTarget");}if(this.horizontal){dojo.addClass(this.node,"dojoDndHorizontal");}this.topics=[dojo.subscribe("/dnd/source/over",this,"onDndSourceOver"),dojo.subscribe("/dnd/start",this,"onDndStart"),dojo.subscribe("/dnd/drop",this,"onDndDrop"),dojo.subscribe("/dnd/cancel",this,"onDndCancel")];},startup:function(){},checkAcceptance:function(_5,_6){return true;},copyState:function(_7){return this.copyOnly||_7;},destroy:function(){this.inherited("destroy",arguments);dojo.forEach(this.topics,dojo.unsubscribe);this.targetAnchor=null;},markupFactory:function(_8,_9){_8._skipStartup=true;return new dijit._tree.dndSource(_9,_8);},onMouseMove:function(e){if(this.isDragging&&this.targetState=="Disabled"){return;}this.inherited("onMouseMove",arguments);var m=dojo.dnd.manager();if(this.isDragging){if(this.allowBetween){var _c=false;if(this.current){if(!this.targetBox||this.targetAnchor!=this.current){this.targetBox={xy:dojo.coords(this.current,true),w:this.current.offsetWidth,h:this.current.offsetHeight};}if(this.horizontal){_c=(e.pageX-this.targetBox.xy.x)<(this.targetBox.w/2);}else{_c=(e.pageY-this.targetBox.xy.y)<(this.targetBox.h/2);}}if(this.current!=this.targetAnchor||_c!=this.before){this._markTargetAnchor(_c);m.canDrop(!this.current||m.source!=this||!(this.current.id in this.selection));}}}else{if(this.mouseDown&&this.isSource&&(Math.abs(e.pageX-this._lastX)>=this.dragThreshold||Math.abs(e.pageY-this._lastY)>=this.dragThreshold)){var n=this.getSelectedNodes();var _e=[];for(var i in n){_e.push(n[i]);}if(_e.length){m.startDrag(this,_e,this.copyState(dojo.dnd.getCopyKeyState(e)));}}}},onMouseDown:function(e){this.mouseDown=true;this.mouseButton=e.button;this._lastX=e.pageX;this._lastY=e.pageY;this.inherited("onMouseDown",arguments);},onMouseUp:function(e){if(this.mouseDown){this.mouseDown=false;this.inherited("onMouseUp",arguments);}},onMouseOver:function(e){var rt=e.relatedTarget;while(rt){if(rt==this.node){break;}try{rt=rt.parentNode;}catch(x){rt=null;}}if(!rt){this._changeState("Container","Over");this.onOverEvent();}var n=this._getChildByEvent(e);if(this.current==n){return;}if(this.current){this._removeItemClass(this.current,"Over");}var m=dojo.dnd.manager();if(n){this._addItemClass(n,"Over");if(this.isDragging){if(this.checkItemAcceptance(n,m.source)){m.canDrop(this.targetState!="Disabled"&&(!this.current||m.source!=this||!(n in this.selection)));}}}else{if(this.isDragging){m.canDrop(false);}}this.current=n;},checkItemAcceptance:function(_16,_17){return true;},onDndSourceOver:function(_18){if(this!=_18){this.mouseDown=false;if(this.targetAnchor){this._unmarkTargetAnchor();}}else{if(this.isDragging){var m=dojo.dnd.manager();m.canDrop(false);}}},onDndStart:function(_1a,_1b,_1c){if(this.isSource){this._changeState("Source",this==_1a?(_1c?"Copied":"Moved"):"");}var _1d=this.checkAcceptance(_1a,_1b);this._changeState("Target",_1d?"":"Disabled");if(_1d){dojo.dnd.manager().overSource(this);}this.isDragging=true;},itemCreator:function(_1e){return dojo.map(_1e,function(_1f){return {"id":_1f.id,"name":_1f.textContent||_1f.innerText||""};});},onDndDrop:function(_20,_21,_22){if(this.containerState=="Over"){var _23=this.tree,_24=_23.model,_25=this.current,_26=false;this.isDragging=false;var _27=dijit.getEnclosingWidget(_25),_28=(_27&&_27.item)||_23.item;var _29;if(_20!=this){_29=this.itemCreator(_21,_25);}dojo.forEach(_21,function(_2a,idx){if(_20==this){var _2c=dijit.getEnclosingWidget(_2a),_2d=_2c.item,_2e=_2c.getParent().item;_24.pasteItem(_2d,_2e,_28,_22);}else{_24.newItem(_29[idx],_28);}},this);this.tree._expandNode(_27);}this.onDndCancel();},onDndCancel:function(){if(this.targetAnchor){this._unmarkTargetAnchor();this.targetAnchor=null;}this.before=true;this.isDragging=false;this.mouseDown=false;delete this.mouseButton;this._changeState("Source","");this._changeState("Target","");},onOverEvent:function(){this.inherited("onOverEvent",arguments);dojo.dnd.manager().overSource(this);},onOutEvent:function(){this.inherited("onOutEvent",arguments);dojo.dnd.manager().outSource(this);},_markTargetAnchor:function(_2f){if(this.current==this.targetAnchor&&this.before==_2f){return;}if(this.targetAnchor){this._removeItemClass(this.targetAnchor,this.before?"Before":"After");}this.targetAnchor=this.current;this.targetBox=null;this.before=_2f;if(this.targetAnchor){this._addItemClass(this.targetAnchor,this.before?"Before":"After");}},_unmarkTargetAnchor:function(){if(!this.targetAnchor){return;}this._removeItemClass(this.targetAnchor,this.before?"Before":"After");this.targetAnchor=null;this.targetBox=null;this.before=true;},_markDndStatus:function(_30){this._changeState("Source",_30?"Copied":"Moved");}});dojo.declare("dijit._tree.dndTarget",dijit._tree.dndSource,{constructor:function(_31,_32){this.isSource=false;dojo.removeClass(this.node,"dojoDndSource");},markupFactory:function(_33,_34){_33._skipStartup=true;return new dijit._tree.dndTarget(_34,_33);}});}
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