nl_tokens: Toggle between expanded / collapsed state when clicking on the group .
pl_tokens: function ( view , rowElement , groupName , e ) { var <mask> = this , groupCache = me . groupCache , groupIsCollapsed = ! me . isExpanded ( groupName ) , g ; if ( me . collapsible ) { // CTRL means collapse all others if ( e . ctrlKey ) { Ext . suspendLayouts ( ) ; for ( g in groupCache ) { if ( g === groupName ) { if ( groupIsCollapsed ) { me . expand ( groupName ) ; } } else { me . doCollapseExpand ( true , g , false ) ; } } Ext . resumeLayouts ( true ) ; return ; } if ( groupIsCollapsed ) { me . expand ( groupName ) ; } else { me . collapse ( groupName ) ; } } }