示例#1
0
  /**
   * Sets up the given dialog's content pane by setting its border to provide a good default spacer,
   * and setting the content pane to the given components.
   *
   * @param aDialog the dialog to setup, cannot be <code>null</code>;
   * @param aCenterComponent the component that should appear at the center of the dialog;
   * @param aButtonPane the component that should appear at the bottom of the dialog
   * @param defaultButton the default button for this dialog; can be null for "none".
   * @see javax.swing.JRootPane#setDefaultButton(javax.swing.JButton)
   */
  public static void setupDialogContentPane(
      final JDialog aDialog,
      final Component aCenterComponent,
      final Component aButtonPane,
      final JButton defaultButton) {
    final JPanel contentPane = new JPanel(new BorderLayout());
    contentPane.setBorder(
        BorderFactory.createEmptyBorder(
            DIALOG_PADDING,
            DIALOG_PADDING, //
            DIALOG_PADDING,
            DIALOG_PADDING));

    contentPane.add(aCenterComponent, BorderLayout.CENTER);
    contentPane.add(aButtonPane, BorderLayout.PAGE_END);

    aDialog.setContentPane(contentPane);
    aDialog.getRootPane().setDefaultButton(defaultButton);
    aDialog.pack();
  }
示例#2
0
  /**
   * Creates a button pane in which the given buttons are neatly aligned with proper spacings.
   *
   * @param aButtons the buttons to add to the created button pane, will be added in the given
   *     order.
   * @return the button pane, never <code>null</code>.
   */
  public static JComponent createButtonPane(final JButton... aButtons) {
    if ((aButtons == null) || (aButtons.length < 1)) {
      throw new IllegalArgumentException("Need at least one button!");
    }

    final JPanel buttonPane = new JPanel();
    buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.LINE_AXIS));
    buttonPane.setBorder(
        BorderFactory.createEmptyBorder(
            BUTTONS_PADDING_TOP,
            BUTTONS_PADDING_LEFT,
            BUTTONS_PADDING_BOTTOM,
            BUTTONS_PADDING_RIGHT));

    buttonPane.add(Box.createHorizontalGlue());

    // we want equally sized buttons, so we are recording preferred sizes while
    // adding the buttons and set them to the maximum afterwards...
    int width = 1;
    int height = 1;

    for (JButton button : aButtons) {
      width = Math.max(width, button.getPreferredSize().width);
      height = Math.max(height, button.getPreferredSize().height);

      buttonPane.add(Box.createHorizontalStrut(BUTTONS_SPACING_DEFAULT));
      buttonPane.add(button);
    }

    buttonPane.add(Box.createHorizontalStrut(BUTTONS_SPACING_DEFAULT));

    final Dimension newDims = new Dimension(width, height);

    // everything added; let's set all sizes
    for (final JButton button : aButtons) {
      button.setPreferredSize(newDims);
    }

    return buttonPane;
  }