javax.swing.JTabbedPane#getUI ( )源码实例Demo

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();

	if (pane != null && (pane.getUI() instanceof CloseTabPaneUI)) {
		CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
		String command = e.getActionCommand();

		if (command != null && command.length() > 0) {
			int mnemonic = e.getActionCommand().charAt(0);
			if (mnemonic >= 'a' && mnemonic <= 'z') {
				mnemonic -= ('a' - 'A');
			}
			Integer index = ui.mnemonicToIndexMap.get(new Integer(mnemonic));
			if (index != null && pane.isEnabledAt(index.intValue())) {
				pane.setSelectedIndex(index.intValue());
			}
		}
	}
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	int tabPlacement = pane.getTabPlacement();
	if (tabPlacement == TOP || tabPlacement == BOTTOM) {
		ui.navigateSelectedTab(WEST);
	}
	else {
		ui.navigateSelectedTab(NORTH);
	}
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	int tabPlacement = pane.getTabPlacement();
	if (tabPlacement == TOP || tabPlacement == BOTTOM) {
		ui.navigateSelectedTab(EAST);
	}
	else {
		ui.navigateSelectedTab(SOUTH);
	}
}
 

/**
 * Create the left side panel of the client.
 *
 * @return A component containing the components left of the game screen
 */
private JComponent createLeftPanel(StendhalClient client) {
	minimap = new MapPanelController(client);
	final StatsPanelController stats = StatsPanelController.get();
	final BuddyPanelController buddies = BuddyPanelController.get();
	ScrolledViewport buddyScroll = new ScrolledViewport((JComponent) buddies.getComponent());
	buddyScroll.setScrollingSpeed(SCROLLING_SPEED);
	final JComponent buddyPane = buddyScroll.getComponent();
	buddyPane.setBorder(null);

	final JComponent leftColumn = SBoxLayout.createContainer(SBoxLayout.VERTICAL);
	leftColumn.add(minimap.getComponent(), SLayout.EXPAND_X);
	leftColumn.add(stats.getComponent(), SLayout.EXPAND_X);

	// Add a background for the tabs. The column itself has none.
	JPanel tabBackground = new JPanel();
	tabBackground.setBorder(null);
	tabBackground.setLayout(new SBoxLayout(SBoxLayout.VERTICAL));
	JTabbedPane tabs = new JTabbedPane(SwingConstants.BOTTOM);
	// Adjust the Tab Width, if we can. The default is pretty if there's
	// space, but in the column there are no pixels to waste.
	TabbedPaneUI ui = tabs.getUI();
	if (ui instanceof StyledTabbedPaneUI) {
		((StyledTabbedPaneUI) ui).setTabLabelMargins(1);
	}
	tabs.setFocusable(false);
	tabs.add("Friends", buddyPane);

	tabs.add("Group", GroupPanelController.get().getComponent());

	tabBackground.add(tabs, SBoxLayout.constraint(SLayout.EXPAND_X, SLayout.EXPAND_Y));
	leftColumn.add(tabBackground, SBoxLayout.constraint(SLayout.EXPAND_X, SLayout.EXPAND_Y));

	return leftColumn;
}
 

private boolean makeTabVisible(JTabbedPane tp, int selectedTab) {
    validateTab();
    if (!(tp.getUI() instanceof BasicTabbedPaneUI)) {
        try {
            EventQueueWait.call(tp, "setSelectedIndex", selectedTab);
        } catch (NoSuchMethodException e) {
            throw new InvalidElementStateException(
                    "Unable to call setSelectedIndex on JTabbedPane. selectedTab = " + selectedTab, e);
        }
        return true;
    }
    boolean isVisible = false;
    int n = tp.getTabCount();
    int loopCount = n;
    Action backward = tp.getActionMap().get("scrollTabsBackwardAction");
    Action forward = tp.getActionMap().get("scrollTabsForwardAction");
    while (!isVisible && loopCount-- > 0) {
        int firstVisibleTab = -1, lastVisibleTab = -1;
        for (int i = 0; i < n; i++) {
            Rectangle tabBounds = tp.getBoundsAt(i);
            int tabForCoordinate = tp.getUI().tabForCoordinate(tp, tabBounds.x + tabBounds.width / 2,
                    tabBounds.y + tabBounds.height / 2);
            if (tabForCoordinate != -1) {
                if (firstVisibleTab == -1) {
                    firstVisibleTab = tabForCoordinate;
                }
                lastVisibleTab = tabForCoordinate;
            }
        }
        isVisible = firstVisibleTab <= selectedTab && selectedTab <= lastVisibleTab;
        if (isVisible) {
            continue;
        }
        if (selectedTab < firstVisibleTab) {
            backward.actionPerformed(new ActionEvent(tp, ActionEvent.ACTION_PERFORMED, ""));
        } else {
            forward.actionPerformed(new ActionEvent(tp, ActionEvent.ACTION_PERFORMED, ""));
        }
    }
    return isVisible;
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.navigateSelectedTab(EAST);
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.navigateSelectedTab(WEST);
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.navigateSelectedTab(NORTH);
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.navigateSelectedTab(SOUTH);
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.navigateSelectedTab(NEXT);
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.navigateSelectedTab(PREVIOUS);
}
 

@Override
public void actionPerformed(ActionEvent e) {
	JTabbedPane pane = (JTabbedPane) e.getSource();
	CloseTabPaneUI ui = (CloseTabPaneUI) pane.getUI();
	ui.requestMyFocusForVisibleComponent();
}