/*!
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* Ext JS Library 3.1.0
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* Copyright(c) 2006-2009 Ext JS, LLC
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* licensing@extjs.com
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* http://www.extjs.com/license
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*/
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/**
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* @class Ext.grid.AbstractSelectionModel
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* @extends Ext.util.Observable
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* Abstract base class for grid SelectionModels. It provides the interface that should be
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* implemented by descendant classes. This class should not be directly instantiated.
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* @constructor
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*/
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Ext.grid.AbstractSelectionModel = Ext.extend(Ext.util.Observable, {
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/**
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* The GridPanel for which this SelectionModel is handling selection. Read-only.
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* @type Object
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* @property grid
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*/
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constructor : function(){
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this.locked = false;
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Ext.grid.AbstractSelectionModel.superclass.constructor.call(this);
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},
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/** @ignore Called by the grid automatically. Do not call directly. */
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init : function(grid){
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this.grid = grid;
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this.initEvents();
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},
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/**
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* Locks the selections.
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*/
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lock : function(){
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this.locked = true;
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},
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/**
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* Unlocks the selections.
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*/
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unlock : function(){
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this.locked = false;
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},
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/**
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* Returns true if the selections are locked.
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* @return {Boolean}
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*/
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isLocked : function(){
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return this.locked;
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},
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destroy: function(){
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this.purgeListeners();
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}
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});
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