/*
	Copyright (c) 2004-2008, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/book/dojo-book-0-9/introduction/licensing
*/


if(!dojo._hasResource["dojo.dnd.Selector"]){dojo._hasResource["dojo.dnd.Selector"]=true;dojo.provide("dojo.dnd.Selector");dojo.require("dojo.dnd.common");dojo.require("dojo.dnd.Container");dojo.declare("dojo.dnd.Selector",dojo.dnd.Container,{constructor:function(_1,_2){if(!_2){_2={};}this.singular=_2.singular;this.selection={};this.anchor=null;this.simpleSelection=false;this.events.push(dojo.connect(this.node,"onmousedown",this,"onMouseDown"),dojo.connect(this.node,"onmouseup",this,"onMouseUp"));},singular:false,getSelectedNodes:function(){var t=new dojo.NodeList();var e=dojo.dnd._empty;for(var i in this.selection){if(i in e){continue;}t.push(dojo.byId(i));}return t;},selectNone:function(){return this._removeSelection()._removeAnchor();},selectAll:function(){this.forInItems(function(_6,id){this._addItemClass(dojo.byId(id),"Selected");this.selection[id]=1;},this);return this._removeAnchor();},deleteSelectedNodes:function(){var e=dojo.dnd._empty;for(var i in this.selection){if(i in e){continue;}var n=dojo.byId(i);this.delItem(i);dojo._destroyElement(n);}this.anchor=null;this.selection={};return this;},insertNodes:function(_b,_c,_d,_e){var _f=this._normalizedCreator;this._normalizedCreator=function(_10,_11){var t=_f.call(this,_10,_11);if(_b){if(!this.anchor){this.anchor=t.node;this._removeItemClass(t.node,"Selected");this._addItemClass(this.anchor,"Anchor");}else{if(this.anchor!=t.node){this._removeItemClass(t.node,"Anchor");this._addItemClass(t.node,"Selected");}}this.selection[t.node.id]=1;}else{this._removeItemClass(t.node,"Selected");this._removeItemClass(t.node,"Anchor");}return t;};dojo.dnd.Selector.superclass.insertNodes.call(this,_c,_d,_e);this._normalizedCreator=_f;return this;},destroy:function(){dojo.dnd.Selector.superclass.destroy.call(this);this.selection=this.anchor=null;},markupFactory:function(_13,_14){_13._skipStartup=true;return new dojo.dnd.Selector(_14,_13);},onMouseDown:function(e){if(!this.current){return;}if(!this.singular&&!dojo.dnd.getCopyKeyState(e)&&!e.shiftKey&&(this.current.id in this.selection)){this.simpleSelection=true;dojo.stopEvent(e);return;}if(!this.singular&&e.shiftKey){if(!dojo.dnd.getCopyKeyState(e)){this._removeSelection();}var c=this.getAllNodes();if(c.length){if(!this.anchor){this.anchor=c[0];this._addItemClass(this.anchor,"Anchor");}this.selection[this.anchor.id]=1;if(this.anchor!=this.current){var i=0;for(;i<c.length;++i){var _18=c[i];if(_18==this.anchor||_18==this.current){break;}}for(++i;i<c.length;++i){var _18=c[i];if(_18==this.anchor||_18==this.current){break;}this._addItemClass(_18,"Selected");this.selection[_18.id]=1;}this._addItemClass(this.current,"Selected");this.selection[this.current.id]=1;}}}else{if(this.singular){if(this.anchor==this.current){if(dojo.dnd.getCopyKeyState(e)){this.selectNone();}}else{this.selectNone();this.anchor=this.current;this._addItemClass(this.anchor,"Anchor");this.selection[this.current.id]=1;}}else{if(dojo.dnd.getCopyKeyState(e)){if(this.anchor==this.current){delete this.selection[this.anchor.id];this._removeAnchor();}else{if(this.current.id in this.selection){this._removeItemClass(this.current,"Selected");delete this.selection[this.current.id];}else{if(this.anchor){this._removeItemClass(this.anchor,"Anchor");this._addItemClass(this.anchor,"Selected");}this.anchor=this.current;this._addItemClass(this.current,"Anchor");this.selection[this.current.id]=1;}}}else{if(!(this.current.id in this.selection)){this.selectNone();this.anchor=this.current;this._addItemClass(this.current,"Anchor");this.selection[this.current.id]=1;}}}}dojo.stopEvent(e);},onMouseUp:function(e){if(!this.simpleSelection){return;}this.simpleSelection=false;this.selectNone();if(this.current){this.anchor=this.current;this._addItemClass(this.anchor,"Anchor");this.selection[this.current.id]=1;}},onMouseMove:function(e){this.simpleSelection=false;},onOverEvent:function(){this.onmousemoveEvent=dojo.connect(this.node,"onmousemove",this,"onMouseMove");},onOutEvent:function(){dojo.disconnect(this.onmousemoveEvent);delete this.onmousemoveEvent;},_removeSelection:function(){var e=dojo.dnd._empty;for(var i in this.selection){if(i in e){continue;}var _1d=dojo.byId(i);if(_1d){this._removeItemClass(_1d,"Selected");}}this.selection={};return this;},_removeAnchor:function(){if(this.anchor){this._removeItemClass(this.anchor,"Anchor");this.anchor=null;}return this;}});}