// Center given button in a box, centered vertically and 6 pixels on left and right
 private Box createBoxForButton(JButton button) {
   Box buttonRow = Box.createHorizontalBox();
   buttonRow.add(Box.createHorizontalStrut(6));
   buttonRow.add(button);
   buttonRow.add(Box.createHorizontalStrut(6));
   Box buttonBox = Box.createVerticalBox();
   buttonBox.add(Box.createVerticalGlue());
   buttonBox.add(buttonRow);
   buttonBox.add(Box.createVerticalGlue());
   return buttonBox;
 }
示例#2
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  // Method to build the dialog box for help.
  private void buildDialogBox() {
    // Set the JDialog window properties.
    setTitle("Stack Trace Detail");
    setResizable(false);
    setSize(dialogWidth, dialogHeight);

    // Append the stack trace output to the display area.
    displayArea.append(eStackTrace);

    // Create horizontal and vertical scrollbars for box.
    displayBox = Box.createHorizontalBox();
    displayBox = Box.createVerticalBox();

    // Add a JScrollPane to the Box.
    displayBox.add(new JScrollPane(displayArea));

    // Define behaviors of container.
    c.setLayout(null);
    c.add(displayBox);
    c.add(okButton);

    // Set scroll pane bounds.
    displayBox.setBounds(
        (dialogWidth / 2) - ((displayAreaWidth / 2) + 2),
        (top + (offsetMargin / 2)),
        displayAreaWidth,
        displayAreaHeight);

    // Set the behaviors, bounds and action listener for the button.
    okButton.setBounds(
        (dialogWidth / 2) - (buttonWidth / 2),
        (displayAreaHeight + offsetMargin),
        buttonWidth,
        buttonHeight);

    // Set the font to the platform default Font for the object with the
    // properties of bold and font size of 11.
    okButton.setFont(new Font(okButton.getFont().getName(), Font.BOLD, 11));

    // The class implements the ActionListener interface and therefore
    // provides an implementation of the actionPerformed() method.  When a
    // class implements ActionListener, the instance handler returns an
    // ActionListener.  The ActionListener then performs actionPerformed()
    // method on an ActionEvent.
    okButton.addActionListener(this);

    // Set the screen and display dialog window in relation to screen size.
    setLocation((dim.width / 2) - (dialogWidth / 2), (dim.height / 2) - (dialogHeight / 2));

    // Display JDialog.
    show();
  } // End of buildDialogBox method.
  private void drawComponents() {
    GridBagConstraints con = new GridBagConstraints();
    con.gridx = 0;
    con.gridy = 0;
    con.gridwidth = 1;
    con.gridheight = 1;
    con.anchor = GridBagConstraints.NORTH;
    con.fill = GridBagConstraints.HORIZONTAL;
    con.insets = new Insets(5, 5, 5, 5);
    con.weightx = 0;
    con.weighty = 0;

    Box btns = Box.createHorizontalBox();
    btns.add(btnDetails);
    btns.add(Box.createHorizontalGlue());
    btns.add(btnClose);

    // Set up content
    Container content = getContentPane();
    content.setLayout(new GridBagLayout());

    // Add message label
    con.weightx = 1;
    con.weighty = 1;
    content.add(lblMessage, con);

    // Add button box
    con.gridy = 1;
    con.weighty = 0;
    content.add(btns, con);

    // Add trace pane
    con.gridy = 2;

    content.add(srlTrace, con);

    // Set default button
    getRootPane().setDefaultButton(btnClose);
  }