nl_tokens: Update the styles for the header row based on the active filters
pl_tokens: function ( ) { var me = this , headerCt = me . view . headerCt ; if ( headerCt ) { headerCt . items . each ( function ( header ) { var filter = me . getFilter ( <mask> . dataIndex ) ; header [ filter && filter . active ? 'addCls' : 'removeCls' ] ( me . filterCls ) ; } ) ; } }