/**
* Creates a close all tabs button that closes all tabs in the given Tabbed Panel when the button
* is selected
*
* @param tabbedPanel the tabbed panel that the button will close all tabs in
* @return the close button
*/
private JButton createCloseAllTabsButton(final TabbedPanel tabbedPanel) {
final JButton closeButton = createXButton();
closeButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// Iterate over all tabs and remove them.
int tabCount = tabbedPanel.getTabCount();
for (int i = 0; i < tabCount; i++) tabbedPanel.removeTab(tabbedPanel.getTabAt(0));
}
});
// Add a tab listener to the tabbed panel so that we know when tabs are
// added
// and removed so that the close button can be hidden when the tabbed
// panel
// doesn't contain any tabs.
tabbedPanel.addTabListener(
new TabAdapter() {
public void tabAdded(TabEvent event) {
closeButton.setVisible(true);
}
public void tabRemoved(TabRemovedEvent event) {
// Hide the close button when there are no tabs in the tabbed
// panel
closeButton.setVisible(event.getTabbedPanel().getTabCount() > 0);
}
});
return closeButton;
}
/** Constructor */
private SimpleTabbedPanelExample() {
frame.setSize(600, 400);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setJMenuBar(createMenuBar());
frame.getContentPane().add(tabbedPanel, BorderLayout.CENTER);
// Set the "close all tabs" button as a tab area component
tabbedPanel.setTabAreaComponents(new JComponent[] {createCloseAllTabsButton(tabbedPanel)});
// Create 6 titled tabs and add them to the tabbed panel
for (int i = 0; i < 6; i++) tabbedPanel.addTab(createTab());
// Apply the default theme
tabbedPanel.getProperties().addSuperObject(themes[0].getTabbedPanelProperties());
titledTabProperties.addSuperObject(themes[0].getTitledTabProperties());
activeTheme = themes[0];
frame.setVisible(true);
}
/**
* Applies properties from a theme to tabbed panel and all the titled tabs.
*
* @param theme theme to apply
*/
private void applyTheme(TabbedPanelTitledTabTheme theme) {
// Remove the previous theme. If we hadn't added the DefaultTheme the
// first time we wouldn't have any theme to remove and thus we would
// have had to implement a flag or theme reference to tell us if we
// needed to remove a theme or not.
tabbedPanel.getProperties().removeSuperObject(activeTheme.getTabbedPanelProperties());
titledTabProperties.removeSuperObject(activeTheme.getTitledTabProperties());
// Adding a super object means that any properties that are set in the
// super
// object will be used instead of the same properties in the default
// properties. Note that if you have explicitly set a property, for
// example setTabAreaOrientation in the properties for the tabbed
// panel, then that property will not be affected by the super object
// i.e. it will still return the same value after adding the super
// object.
tabbedPanel.getProperties().addSuperObject(theme.getTabbedPanelProperties());
titledTabProperties.addSuperObject(theme.getTitledTabProperties());
activeTheme = theme;
}
