Modal Message Dialog : Dialog « Swing JFC « Java

Modal Message Dialog

This file is part of BORG.

    BORG is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    BORG is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with BORG; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Copyright 2003 by Mike Berger
 * Created on October 5, 2003, 8:55 AM

import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Toolkit;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

public class ModalMessage extends JDialog {
    public ModalMessage(String s, boolean enabled) {

    public void setEnabled(boolean e)
    public void setText(String s)
    public void appendText(String s)
      String t = jTextArea.getText();
      t += "\n" + s;
    private void initComponents()//GEN-BEGIN:initComponents
        this.setSize(165, 300);
        Dimension screenSize =
          Dimension labelSize = jScrollPane.getPreferredSize();
          setLocation(screenSize.width/2 - (labelSize.width/2),
                      screenSize.height/2 - (labelSize.height/2));
    private JPanel jPanel = null;
  private JScrollPane jScrollPane = null;
  private JTextArea jTextArea = null;
   * This method initializes jPanel 
   * @return javax.swing.JPanel 
  private JPanel getJPanel() {
    if (jPanel == null) {
      GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
      gridBagConstraints1.gridx = 0;  // Generated
      gridBagConstraints1.fill = java.awt.GridBagConstraints.BOTH;  // Generated
      gridBagConstraints1.gridy = 1;  // Generated
      GridBagConstraints gridBagConstraints = new GridBagConstraints();
      gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;  // Generated
      gridBagConstraints.gridy = 0;  // Generated
      gridBagConstraints.weightx = 1.0;  // Generated
      gridBagConstraints.weighty = 1.0;  // Generated
      gridBagConstraints.insets = new java.awt.Insets(4,4,4,4);  // Generated
      gridBagConstraints.gridx = 0;  // Generated
      jPanel = new JPanel();
      jPanel.setLayout(new GridBagLayout());  // Generated
      jPanel.add(getJScrollPane(), gridBagConstraints);  // Generated
      jPanel.add(getButtonPanel(), gridBagConstraints1);
    return jPanel;

   * This method initializes jScrollPane  
   * @return javax.swing.JScrollPane  
  private JScrollPane getJScrollPane() {
    if (jScrollPane == null) {
      jScrollPane = new JScrollPane();
      jScrollPane.setPreferredSize(new java.awt.Dimension(600,200));  // Generated
      jScrollPane.setViewportView(getJTextArea());  // Generated
    return jScrollPane;

   * This method initializes jTextArea  
   * @return javax.swing.JTextArea  
  private JTextArea getJTextArea() {
    if (jTextArea == null) {
      jTextArea = new JTextArea();
      jTextArea.setEditable(false);  // Generated
      jTextArea.setLineWrap(true);  // Generated
    return jTextArea;

   * This method initializes buttonPanel  
   * @return javax.swing.JPanel 
  private JPanel buttonPanel = null;
  private JPanel getButtonPanel() {
    if (buttonPanel == null) {
      buttonPanel = new JPanel();
      buttonPanel.add(getOkButton(), null);  // Generated
    return buttonPanel;

   * This method initializes okButton 
   * @return javax.swing.JButton  
  private JButton okButton = null;
  private JButton getOkButton() {
    if (okButton == null) {
      okButton = new JButton();
      okButton.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent e) {
    return okButton;

  private void doOk()

  public static void main( String args[])
    final ModalMessage mm = new ModalMessage("duh\nduh\nduh", false);
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
          mm.appendText("another line");
}  //  @jve:decl-index=0:visual-constraint="10,10"


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