/*
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This file is part of Ext JS 4.2
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-05-16 14:36:50 (f9be68accb407158ba2b1be2c226a6ce1f649314)
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*/
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/**
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* @class Ext.util.Grouper
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Represents a single grouper that can be applied to a Store. The grouper works
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in the same fashion as the {@link Ext.util.Sorter}.
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* @markdown
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*/
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Ext.define('Ext.util.Grouper', {
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/* Begin Definitions */
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extend: 'Ext.util.Sorter',
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/* End Definitions */
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isGrouper: true,
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/**
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* Returns the value for grouping to be used.
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* @param {Ext.data.Model} instance The Model instance
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* @return {String} The group string for this model
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*/
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getGroupString: function(instance) {
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return instance.get(this.property);
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}
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});
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