private static void constructMenu() {
final JFrame lFrame = (JFrame) viewModel.get("window.frame");
final JMenuBar lMenuBar = new JMenuBar();
lFrame.setJMenuBar(lMenuBar);
viewModel.put("menu", lMenuBar);
final JMenu lFileMenu = new JMenu("File");
lFileMenu.setMnemonic(KeyEvent.VK_F);
viewModel.put("menu.file", lFileMenu);
lMenuBar.add(lFileMenu);
final JMenuItem lExitItem = new JMenuItem((Action) viewModel.get("action.exit"));
viewModel.put("menu.file.exit", lExitItem);
lFileMenu.add(lExitItem);
final JMenuItem lHelpMenu = new JMenu("Help");
lHelpMenu.setMnemonic(KeyEvent.VK_H);
viewModel.put("menu.help", lHelpMenu);
lMenuBar.add(lHelpMenu);
final JMenuItem lHelpTopicsItem = new JMenuItem((Action) viewModel.get("action.help"));
viewModel.put("menu.help.topics", lHelpTopicsItem);
lHelpMenu.add(lHelpTopicsItem);
final JMenuItem lAboutItem = new JMenuItem((Action) viewModel.get("action.about"));
viewModel.put("menu.help.about", lAboutItem);
lHelpMenu.add(lAboutItem);
}
private static void constructResources() {
viewModel.put("string.title", "Swing Basic Application");
viewModel.put("string.version", "1.0.0");
viewModel.put("string.copyright", "© 2011, Bruno Ranschaert");
try {
final URL lImgUrl = App.class.getResource("/crab.png");
viewModel.put("image.crab", ImageIO.read(lImgUrl));
} catch (IOException e) {
e.printStackTrace();
}
}
private static void constructActions() {
final Action lExitAction = new ExitAction();
lExitAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_X);
viewModel.put("action.exit", lExitAction);
final Action lHelpAction = new HelpAction();
lHelpAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_T);
viewModel.put("action.help", lHelpAction);
final Action lAboutAction = new AboutAction();
lAboutAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_A);
viewModel.put("action.about", lAboutAction);
}
public static void main(String[] args) {
constructResources();
constructFrame();
constructHelpSet();
constructActions();
constructMenu();
final JFrame lFrame = (JFrame) viewModel.get("window.frame");
lFrame.setVisible(true);
}
private static void constructHelpSet() {
try {
final ClassLoader lLoader = App.class.getClassLoader();
final URL lUrl = HelpSet.findHelpSet(lLoader, "apphelp.hs");
final HelpSet lHelpSet = new HelpSet(lLoader, lUrl);
final HelpBroker lHelpBroker = lHelpSet.createHelpBroker();
viewModel.put("help", lHelpBroker);
} catch (Exception e) {
e.printStackTrace();
}
}
private static void constructFrame() {
final JFrame lFrame = new JFrame((String) viewModel.get("string.title"));
lFrame.setIconImage((Image) viewModel.get("image.crab"));
// Install the closing mechanism on the frame when the user
// wants to close the frame by clicking the X button.
lFrame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
lFrame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
final ExitAction lExitAction = (ExitAction) viewModel.get("action.exit");
if (lExitAction != null) {
// If there is an exit action defined, we use this action.
// It will have the same effect as calling the exit menu item.
lExitAction.actionPerformed(new ActionEvent(lFrame, 0, "exit"));
} else {
// If the exit action is not available, we will close the frame anyhow.
lFrame.dispose();
}
}
});
// Calculate the middle of the screen.
final Rectangle lScreenRect =
GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice()
.getDefaultConfiguration()
.getBounds();
// Using the 'golden ratio' 1.618 for the width/height ratio.
final Rectangle lFrameRect =
new Rectangle(Math.min(647, lScreenRect.width), Math.min(400, lScreenRect.height));
// Set the window size and location.
lFrame.setLocation(
(lScreenRect.width - lFrameRect.width) / 2, (lScreenRect.height - lFrameRect.height) / 2);
lFrame.setSize(lFrameRect.width, lFrameRect.height);
viewModel.put("window.frame", lFrame);
}