    Ext.define('Ext.rtl.selection.CellModel', {
        override: 'Ext.selection.CellModel',

        doMove: function(direction, e) {
            if (this.view.getHierarchyState().rtl) {
                if (direction == 'left') {
                    direction = 'right';
                } else if (direction == 'right') {
                    direction = 'left';
                }
            }
            this.callParent([direction, e]);
        }
    })