4 * Copyright(c) 2006-2007, Ext JS, LLC.
6 * Originally Released Under LGPL - original licence link has changed is not relivant.
9 * <script type="text/javascript">
13 * @class Roo.grid.AbstractSelectionModel
14 * @extends Roo.util.Observable
15 * Abstract base class for grid SelectionModels. It provides the interface that should be
16 * implemented by descendant classes. This class should not be directly instantiated.
19 Roo.grid.AbstractSelectionModel = function(){
21 Roo.grid.AbstractSelectionModel.superclass.constructor.call(this);
24 Roo.extend(Roo.grid.AbstractSelectionModel, Roo.util.Observable, {
25 /** @ignore Called by the grid automatically. Do not call directly. */
26 init : function(grid){
32 * Locks the selections.
39 * Unlocks the selections.
46 * Returns true if the selections are locked.
49 isLocked : function(){