/** * Private utility class for Ext.layout.container.Border. * @private */Ext.define('Ext.resizer.BorderSplitter', { extend: 'Ext.resizer.Splitter', uses: ['Ext.resizer.BorderSplitterTracker'], alias: 'widget.bordersplitter', // must be configured in by the border layout: collapseTarget: null, getTrackerConfig: function () { var trackerConfig = this.callParent(); trackerConfig.xclass = 'Ext.resizer.BorderSplitterTracker'; return trackerConfig; }});