Java 类javax.swing.plaf.basic.BasicOptionPaneUI 实例源码

/**
 * create the dialog button controls.
 * 
 * 
 * @return panel containing button controls
 */
protected JComponent createButtonPanel() {
    // PENDING: this is a hack until we have a dedicated ButtonPanel!
    JPanel panel = new JPanel(new BasicOptionPaneUI.ButtonAreaLayout(true, 6))
    {
        @Override
        public Dimension getMaximumSize() {
            return getPreferredSize();
        }
    };

    panel.setBorder(BorderFactory.createEmptyBorder(9, 0, 0, 0));
    Action executeAction = getAction(EXECUTE_ACTION_COMMAND);
    Action closeAction = getAction(CLOSE_ACTION_COMMAND);

    JButton defaultButton = new JButton(executeAction);
    panel.add(defaultButton);
    getRootPane().setDefaultButton(defaultButton);

    if (executeAction != closeAction) {
        JButton b = new JButton(closeAction);
        panel.add(b);
        getRootPane().setCancelButton(b);
    }

    return panel;
}

/**
 * create the dialog button controls.
 * 
 * 
 * @return panel containing button controls
 */
protected JComponent createButtonPanel() {
    // PENDING: this is a hack until we have a dedicated ButtonPanel!
    JPanel panel = new JPanel(new BasicOptionPaneUI.ButtonAreaLayout(true, 6))
    {
        @Override
        public Dimension getMaximumSize() {
            return getPreferredSize();
        }
    };

    panel.setBorder(BorderFactory.createEmptyBorder(9, 0, 0, 0));
    Action executeAction = getAction(EXECUTE_ACTION_COMMAND);
    Action closeAction = getAction(CLOSE_ACTION_COMMAND);

    JButton findButton = new JButton(executeAction);
    panel.add(findButton);
    if (executeAction != closeAction) {
        panel.add(new JButton(closeAction));
    }


    KeyStroke enterKey = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false);
    KeyStroke escapeKey = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0, false);

    InputMap inputMap = getRootPane().getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
    inputMap.put(enterKey, EXECUTE_ACTION_COMMAND);
    inputMap.put(escapeKey, CLOSE_ACTION_COMMAND);

    getRootPane().setDefaultButton(findButton);
    return panel;
}

public @Override void restored() {
    // javax.swing.plaf.OptionPaneUI mentioned in method signature:
    new JOptionPane().setUI(new BasicOptionPaneUI());
    System.setProperty("my.bundle.worked", "true");
}