List of usage examples for com.google.gwt.user.client.ui DeckPanel getVisibleWidget
public int getVisibleWidget()
From source file:rocket.widget.client.tabpanel.TabPanel.java
License:Apache License
public void select(final int index) { final TabItem newlySelectedItem = this.get(index); TabItem previousSelection = null;/* ww w. ja v a 2 s . co m*/ final int previouslySelectedIndex = this.getSelectedIndex(); if (-1 != previouslySelectedIndex) { previousSelection = this.get(previouslySelectedIndex); } final BeforeTabSelectEvent beforeSelected = new BeforeTabSelectEvent(); beforeSelected.setCurrentSelection(previousSelection); beforeSelected.setNewSelection(newlySelectedItem); final TabListenerCollection listeners = this.getTabListeners(); listeners.fireBeforeTabSelected(beforeSelected); if (false == beforeSelected.isCancelled()) { final String selectedStyle = this.getTabBarItemSelectedStyleName(); final TabBarPanel tabBarPanel = this.getTabBarPanel(); final DeckPanel contentPanel = this.getContentPanel(); // find the previously selected tab. and unselect it. final int previousIndex = contentPanel.getVisibleWidget(); TabItem previouslySelectedTabItem = null; if (-1 != previousIndex) { final Widget tab = tabBarPanel.getWidget(previousIndex + 1); tab.removeStyleName(selectedStyle); previouslySelectedTabItem = this.get(previousIndex); } // apply the style to the new tab. final Widget tabBarItemPanel = tabBarPanel.getWidget(index + 1); tabBarItemPanel.addStyleName(selectedStyle); // tell the deckPanel to select a new sub-widget. contentPanel.showWidget(index); final TabSelectEvent selectedEvent = new TabSelectEvent(); selectedEvent.setPreviouslySelected(previouslySelectedTabItem); selectedEvent.setCurrentSelection(newlySelectedItem); listeners.fireTabSelected(selectedEvent); } }