/*
	Copyright (c) 2004-2009, 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,accept:["text","treeNode"],copyOnly:false,dragThreshold:5,betweenThreshold:0,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","treeNode"];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.dropPosition="";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");}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")];},checkAcceptance:function(_4,_5){return true;},copyState:function(_6){return this.copyOnly||_6;},destroy:function(){this.inherited("destroy",arguments);dojo.forEach(this.topics,dojo.unsubscribe);this.targetAnchor=null;},_onDragMouse:function(e){var m=dojo.dnd.manager(),_7=this.targetAnchor,_8=this.current,_9=this.currentWidget,_a=this.dropPosition;var _b="Over";if(_8&&this.betweenThreshold>0){if(!this.targetBox||_7!=_8){this.targetBox=dojo.position(_8,true);}if((e.pageY-this.targetBox.y)<=this.betweenThreshold){_b="Before";}else{if((e.pageY-this.targetBox.y)>=(this.targetBox.h-this.betweenThreshold)){_b="After";}}}if(_8!=_7||_b!=_a){if(_7){this._removeItemClass(_7,_a);}if(_8){this._addItemClass(_8,_b);}if(!_8){m.canDrop(false);}else{if(_9==this.tree.rootNode&&_b!="Over"){m.canDrop(false);}else{if(m.source==this&&(_8.id in this.selection)){m.canDrop(false);}else{if(this.checkItemAcceptance(_8,m.source,_b.toLowerCase())&&!this._isParentChildDrop(m.source,_8)){m.canDrop(true);}else{m.canDrop(false);}}}}this.targetAnchor=_8;this.dropPosition=_b;}},onMouseMove:function(e){if(this.isDragging&&this.targetState=="Disabled"){return;}this.inherited(arguments);var m=dojo.dnd.manager();if(this.isDragging){this._onDragMouse(e);}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 _c=[];for(var i in n){_c.push(n[i]);}if(_c.length){m.startDrag(this,_c,this.copyState(dojo.isCopyKey(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);}},onMouseOut:function(){this.inherited(arguments);this._unmarkTargetAnchor();},checkItemAcceptance:function(_d,_e,_f){return true;},onDndSourceOver:function(_10){if(this!=_10){this.mouseDown=false;this._unmarkTargetAnchor();}else{if(this.isDragging){var m=dojo.dnd.manager();m.canDrop(false);}}},onDndStart:function(_11,_12,_13){if(this.isSource){this._changeState("Source",this==_11?(_13?"Copied":"Moved"):"");}var _14=this.checkAcceptance(_11,_12);this._changeState("Target",_14?"":"Disabled");if(this==_11){dojo.dnd.manager().overSource(this);}this.isDragging=true;},itemCreator:function(_15,_16,_17){return dojo.map(_15,function(_18){return {"id":_18.id,"name":_18.textContent||_18.innerText||""};});},onDndDrop:function(_19,_1a,_1b){if(this.containerState=="Over"){var _1c=this.tree,_1d=_1c.model,_1e=this.targetAnchor,_1f=false;this.isDragging=false;var _20=dijit.getEnclosingWidget(_1e);var _21;var _22;_21=(_20&&_20.item)||_1c.item;if(this.dropPosition=="Before"||this.dropPosition=="After"){_21=(_20.getParent()&&_20.getParent().item)||_1c.item;_22=_20.getIndexInParent();if(this.dropPosition=="After"){_22=_20.getIndexInParent()+1;}}else{_21=(_20&&_20.item)||_1c.item;}var _23;dojo.forEach(_1a,function(_24,idx){var _25=_19.getItem(_24.id);if(dojo.indexOf(_25.type,"treeNode")!=-1){var _26=_25.data,_27=_26.item,_28=_26.getParent().item;}if(_19==this){if(typeof _22=="number"){if(_21==_28&&_26.getIndexInParent()<_22){_22-=1;}}_1d.pasteItem(_27,_28,_21,_1b,_22);}else{if(_1d.isItem(_27)){_1d.pasteItem(_27,_28,_21,_1b,_22);}else{if(!_23){_23=this.itemCreator(_1a,_1e,_19);}_1d.newItem(_23[idx],_21,_22);}}},this);this.tree._expandNode(_20);}this.onDndCancel();},onDndCancel:function(){this._unmarkTargetAnchor();this.isDragging=false;this.mouseDown=false;delete this.mouseButton;this._changeState("Source","");this._changeState("Target","");},onOverEvent:function(){this.inherited(arguments);dojo.dnd.manager().overSource(this);},onOutEvent:function(){this._unmarkTargetAnchor();var m=dojo.dnd.manager();if(this.isDragging){m.canDrop(false);}m.outSource(this);this.inherited(arguments);},_isParentChildDrop:function(_29,_2a){if(!_29.tree||_29.tree!=this.tree){return false;}var _2b=_29.tree.domNode;var ids={};for(var x in _29.selection){ids[_29.selection[x].parentNode.id]=true;}var _2c=_2a.parentNode;while(_2c!=_2b&&(!_2c.id||!ids[_2c.id])){_2c=_2c.parentNode;}return _2c.id&&ids[_2c.id];},_unmarkTargetAnchor:function(){if(!this.targetAnchor){return;}this._removeItemClass(this.targetAnchor,this.dropPosition);this.targetAnchor=null;this.targetBox=null;this.dropPosition=null;},_markDndStatus:function(_2d){this._changeState("Source",_2d?"Copied":"Moved");}});}