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
16 * Abstract base class for grid SelectionModels. It provides the interface that should be
17 * implemented by descendant classes. This class should not be directly instantiated.
20 Roo.grid.AbstractSelectionModel = function(){
22 Roo.grid.AbstractSelectionModel.superclass.constructor.call(this);
25 Roo.extend(Roo.grid.AbstractSelectionModel, Roo.util.Observable, {
26 /** @ignore Called by the grid automatically. Do not call directly. */
27 init : function(grid){
33 * Locks the selections.
40 * Unlocks the selections.
47 * Returns true if the selections are locked.
50 isLocked : function(){