nl_tokens: Makes the given card active . Makes it the visible card in the TabPanel s CardLayout and highlights the Tab .
pl_tokens: function ( card ) { var me = this , previous ; card = me . getComponent ( card ) ; if ( card ) { previous = me . getActiveTab ( ) ; if ( previous !== card && me . fireEvent ( 'beforetabchange' , me , card , previous ) === false ) { return false ; } // We may be passed a config object, so add it. // Without doing a layout! if ( ! card . isComponent ) { Ext . suspendLayouts ( ) ; card = me . add ( card ) ; Ext . resumeLayouts ( ) ; } // MUST set the activeTab first so that the machinery which listens for show doesn't // think that the show is "driving" the activation and attempt to recurse into here. me . activeTab = card ; // Attempt to switch to the requested card. Suspend layouts because if that was successful // we have to also update the active tab in the tab bar which is another layout operation // and we must coalesce them. Ext . suspendLayouts ( ) ; me . layout . setActiveItem ( card ) ; // Read the result of the card layout. Events dear boy, events! card = me . activeTab = me . layout . getActiveItem ( ) ; // Card switch was not vetoed by an event listener if ( card && card !== previous ) { // Update the active tab in the tab bar and resume layouts. me . tabBar . setActiveTab ( card . tab ) ; Ext . resumeLayouts ( true ) ; // previous will be undefined or this.activeTab at instantiation if ( previous !== card ) { <mask> . fireEvent ( 'tabchange' , me , card , previous ) ; } } // Card switch was vetoed by an event listener. Resume layouts (Nothing should have changed on a veto). else { Ext . resumeLayouts ( true ) ; } return card ; } }