nl_tokens: we want to totally override the reconfigure behaviour here since we re creating 2 sub - grids
pl_tokens: function ( store , columns ) { var me = this , oldStore = me . store , lockedGrid = me . lockedGrid , normalGrid = me . normalGrid ; Ext . suspendLayouts ( ) ; if ( columns ) { lockedGrid . headerCt . removeAll ( ) ; normalGrid . headerCt . removeAll ( ) ; columns = me . processColumns ( columns ) ; // Flag to the locked column add listener to do nothing me . ignoreAddLockedColumn = true ; lockedGrid . headerCt . add ( columns . locked . items ) ; me . ignoreAddLockedColumn = false ; normalGrid . headerCt . add ( columns . normal . items ) ; // Ensure locked grid is set up correctly with correct width and bottom border, // and that both grids' visibility and scrollability status is correct me . syncLockedWidth ( ) ; } if ( store && store !== oldStore ) { store = Ext . data . StoreManager . lookup ( store ) ; me . <mask> = store ; lockedGrid . bindStore ( store ) ; normalGrid . bindStore ( store ) ; } else { lockedGrid . getView ( ) . refresh ( ) ; normalGrid . getView ( ) . refresh ( ) ; } Ext . resumeLayouts ( true ) ; }