joptionpane.java

gcc的组建

    startModal(frame);

    if (pane.getValue() instanceof Integer)
      return ((Integer) pane.getValue()).intValue();
    return -1;
  }

  /**
   * This method shows an internal confirmation dialog with the given message,
   * title, option type, message type, and icon. The internal frame dialog
   * will be placed in the first JDesktopPane ancestor  that is found in the
   * given parentComponent. This method returns  the selected value.
   *
   * @param parentComponent The parent to find a JDesktopPane in.
   * @param message The message to display.
   * @param title The title to display.
   * @param optionType The option type.
   * @param messageType The message type.
   * @param icon The icon to display.
   *
   * @return The selected value.
   */
  public static int showInternalConfirmDialog(Component parentComponent,
                                              Object message, String title,
                                              int optionType, int messageType,
                                              Icon icon)
  {
    JOptionPane pane = new JOptionPane(message, messageType, optionType, icon);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, title);

    startModal(frame);

    if (pane.getValue() instanceof Integer)
      return ((Integer) pane.getValue()).intValue();
    return -1;
  }

  /**
   * This method shows an internal input dialog with the given message. The
   * internal frame dialog will be placed in the first JDesktopPane ancestor
   * of the given parent component. This method returns the value input by
   * the user.
   *
   * @param parentComponent The parent to find a JDesktopPane in.
   * @param message The message to display.
   *
   * @return The user selected value.
   */
  public static String showInternalInputDialog(Component parentComponent,
                                               Object message)
  {
    JOptionPane pane = new JOptionPane(message);
    pane.setWantsInput(true);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, null);

    startModal(frame);
    
    return (String) pane.getInputValue();
  }

  /**
   * This method shows an internal input dialog with the given message,  title
   * and message type. The internal input dialog will be placed in the first
   * JDesktopPane ancestor found in the given parent component. This method
   * will return the input value given by the user.
   *
   * @param parentComponent The component to find a JDesktopPane in.
   * @param message The message to display.
   * @param title The title to display.
   * @param messageType The message type.
   *
   * @return The user input value.
   */
  public static String showInternalInputDialog(Component parentComponent,
                                               Object message, String title,
                                               int messageType)
  {
    JOptionPane pane = new JOptionPane(message, messageType);
    pane.setWantsInput(true);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, title);

    startModal(frame);
    
    return (String) pane.getInputValue();
  }

  /**
   * This method shows an internal input dialog with the given message, title
   * message type, icon, selection value list and initial selection value.
   * The internal frame dialog will be placed in the first JDesktopPane
   * ancestor found in the given parent component. This method returns the
   * input value from the user.
   *
   * @param parentComponent The parent to find a JDesktopPane in.
   * @param message The message to display.
   * @param title The title to display.
   * @param messageType The message type.
   * @param icon The icon to display.
   * @param selectionValues The selection value list.
   * @param initialSelectionValue The initial selection value.
   *
   * @return The user input value.
   */
  public static Object showInternalInputDialog(Component parentComponent,
                                               Object message, String title,
                                               int messageType, Icon icon,
                                               Object[] selectionValues,
                                               Object initialSelectionValue)
  {
    JOptionPane pane = new JOptionPane(message, messageType);
    pane.setWantsInput(true);
    pane.setIcon(icon);
    pane.setSelectionValues(selectionValues);
    pane.setInitialSelectionValue(initialSelectionValue);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, title);

    startModal(frame);
    
    return pane.getInputValue();
  }

  /**
   * This method shows an internal message dialog with the given message. The
   * internal frame dialog will be placed in the first JDesktopPane ancestor
   * found in the given parent component.
   *
   * @param parentComponent The component to find a JDesktopPane in.
   * @param message The message to display.
   */
  public static void showInternalMessageDialog(Component parentComponent,
                                               Object message)
  {
    JOptionPane pane = new JOptionPane(message);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, null);

    startModal(frame);
  }

  /**
   * This method shows an internal message dialog with the given message,
   * title and message type. The internal message dialog is placed in the
   * first JDesktopPane ancestor found in the given parent component.
   *
   * @param parentComponent The parent component to find a JDesktopPane in.
   * @param message The message to display.
   * @param title The title to display.
   * @param messageType The message type.
   */
  public static void showInternalMessageDialog(Component parentComponent,
                                               Object message, String title,
                                               int messageType)
  {
    JOptionPane pane = new JOptionPane(message, messageType);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, title);

    startModal(frame);
  }

  /**
   * This method shows an internal message dialog with the given message,
   * title, message type and icon. The internal message dialog is placed in
   * the first JDesktopPane ancestor found in the given parent component.
   *
   * @param parentComponent The component to find a JDesktopPane in.
   * @param message The message to display.
   * @param title The title to display.
   * @param messageType The message type.
   * @param icon The icon to display.
   */
  public static void showInternalMessageDialog(Component parentComponent,
                                               Object message, String title,
                                               int messageType, Icon icon)
  {
    JOptionPane pane = new JOptionPane(message, messageType);
    pane.setIcon(icon);
    JInternalFrame frame = pane.createInternalFrame(parentComponent, title);

    startModal(frame);
  }

  /**
   * This method displays an internal option dialog with the given message,
   * title, option type, message type, icon, option list, and initial option
   * value. The internal option dialog is placed in the first JDesktopPane
   * ancestor found in the parent component. This method returns the option
   * selected.
   *
   * @param parentComponent The parent to find a JDesktopPane in.
   * @param message The message displayed.
   * @param title The title displayed.
   * @param optionType The option type.
   * @param messageType The message type.
   * @param icon The icon to display.
   * @param options The array of options.
   * @param initialValue The initial value selected.
   *
   * @return The option that was selected.
   */
  public static int showInternalOptionDialog(Component parentComponent,
                                             Object message, String title,
                                             int optionType, int messageType,
                                             Icon icon, Object[] options,
                                             Object initialValue)
  {
    JOptionPane pane = new JOptionPane(message, messageType, optionType, icon,
                                       options, initialValue);

    JInternalFrame frame = pane.createInternalFrame(parentComponent, title);

    startModal(frame);
 
    if (pane.getValue() instanceof Integer)
      return ((Integer) pane.getValue()).intValue();
    return -1;
  }

  /**
   * This method shows an INFORMATION_MESSAGE type message dialog.
   *
   * @param parentComponent The component to find a frame in.
   * @param message The message displayed.
   */
  public static void showMessageDialog(Component parentComponent,
                                       Object message)
  {
    JOptionPane pane = new JOptionPane(message, INFORMATION_MESSAGE);
    JDialog dialog = pane.createDialog(parentComponent, null);
    dialog.show();   
  }

  /**
   * This method shows a message dialog with the given message, title and
   * messageType.
   *
   * @param parentComponent The component to find a frame in.
   * @param message The message displayed.
   * @param title The title of the dialog.
   * @param messageType The messageType.
   */
  public static void showMessageDialog(Component parentComponent,
                                       Object message, String title,
                                       int messageType)
  {
    JOptionPane pane = new JOptionPane(message, messageType);
    JDialog dialog = pane.createDialog(parentComponent, title);
    dialog.show();
  }

  /**
   * This method shows a message dialog with the given message, title,
   * messageType and icon.
   *
   * @param parentComponent The component to find a frame in.
   * @param message The message displayed.
   * @param title The title of the dialog.
   * @param messageType The messageType.
   * @param icon The icon displayed.
   */
  public static void showMessageDialog(Component parentComponent,
                                       Object message, String title,
                                       int messageType, Icon icon)
  {
    JOptionPane pane = new JOptionPane(message, messageType);
    pane.setIcon(icon);
    JDialog dialog = pane.createDialog(parentComponent, title);
    dialog.show();
  }

  /**
   * This method shows an option dialog with the given message, title,
   * optionType, messageType, icon, options and initialValue. This method
   * returns the option that was selected.
   *
   * @param parentComponent The component to find a frame in.
   * @param message The message displayed.
   * @param title The title of the dialog.
   * @param optionType The optionType.
   * @param messageType The messageType.
   * @param icon The icon displayed.
   * @param options The options to choose from.
   * @param initialValue The initial value.
   *
   * @return The selected option.
   */
  public static int showOptionDialog(Component parentComponent,
                                     Object message, String title,
                                     int optionType, int messageType,
                                     Icon icon, Object[] options,
                                     Object initialValue)
  {
    JOptionPane pane = new JOptionPane(message, messageType, optionType, icon,
                                       options, initialValue);

    JDialog dialog = pane.createDialog(parentComponent, title);
    dialog.show();

    if (pane.getValue() instanceof Integer)
      return ((Integer) pane.getValue()).intValue();
    return -1;
  }

  /**
   * This method resets the UI to the Look and Feel default.
   */
  public void updateUI()
  {
    setUI((OptionPaneUI) UIManager.getUI(this));
    invalidate();
  }

  /**
   * This method returns true if the key is a valid messageType.
   *
   * @param key The key to check.
   *
   * @return True if key is valid.
   */
  private boolean validMessageType(int key)
  {
    switch (key)
      {
      case ERROR_MESSAGE:
      case INFORMATION_MESSAGE:
      case PLAIN_MESSAGE:
      case QUESTION_MESSAGE:
      case WARNING_MESSAGE:
	return true;
      }
    return false;
  }

  /**
   * This method returns true if the key is a valid optionType.
   *
   * @param key The key to check.
   *
   * @return True if key is valid.
   */
  private boolean validOptionType(int key)
  {
    switch (key)
      {
      case DEFAULT_OPTION:
      case OK_CANCEL_OPTION:
      case YES_NO_CANCEL_OPTION:
      case YES_NO_OPTION:
	return true;
      }
    return false;
  }

  /**
   * This helper method makes the JInternalFrame wait until it is notified by
   * an InternalFrameClosing event. This method also adds the given
   * JOptionPane to the JInternalFrame and sizes it according to the
   * JInternalFrame's preferred size.
   *
   * @param f The JInternalFrame to make modal.
   */
  private static void startModal(JInternalFrame f)
  {
    synchronized (f)
    {
      final JInternalFrame tmp = f;
      tmp.toFront();

      f.addInternalFrameListener(new InternalFrameAdapter()
                                 {
                                   public void internalFrameClosed(InternalFrameEvent e)
                                   {
                                     synchronized (tmp)
                                     {
                                       tmp.removeInternalFrameListener(this);
                                       tmp.notifyAll();
                                     }
                                   }
                                 });
      try
        {
          while (! f.isClosed())
            f.wait();
        }
      catch (InterruptedException ignored)
        {
          // Ignore this Exception.
        }
    }
  }
}