About dialog : JOptionPane Dialog « Swing « Java Tutorial






About dialog
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

class AboutDialog extends JDialog {
  public AboutDialog() {
    setTitle("About");
    setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));

    add(Box.createRigidArea(new Dimension(0, 10)));

    JLabel name = new JLabel("Notes");
    name.setAlignmentX(0.5f);
    add(name);

    add(Box.createRigidArea(new Dimension(0, 100)));

    JButton close = new JButton("Close");
    close.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        dispose();
      }
    });

    close.setAlignmentX(0.5f);
    add(close);
    setModalityType(ModalityType.APPLICATION_MODAL);
    setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    setSize(300, 200);
  }
}

public class SimpleDialog {

  public static void main(String[] args) {
    JMenuBar menubar = new JMenuBar();

    JMenu file = new JMenu("File");
    file.setMnemonic(KeyEvent.VK_F);

    JMenu help = new JMenu("Help");
    help.setMnemonic(KeyEvent.VK_H);

    JMenuItem about = new JMenuItem("About");
    help.add(about);

    about.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        AboutDialog ad = new AboutDialog();
        ad.setVisible(true);
      }
    });

    menubar.add(file);
    menubar.add(help);
    JFrame f = new JFrame();
    f.setJMenuBar(menubar);

    f.setSize(300, 200);
    f.setLocationRelativeTo(null);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setVisible(true);
  }
}








14.56.JOptionPane Dialog
14.56.1.Creating a JOptionPane
14.56.2.The JOptionPane Message Argument is an Object, not a String.
14.56.3.The JOptionPane Message Type and Icon Arguments
14.56.4.The JOptionPane Option Type Argument
14.56.5.The JOptionPane Options and Initial Value Arguments
14.56.6.JOptionPane Option Position Constants
14.56.7.Using JOptionPane to Display a Message
14.56.8.Using JOptionPane to Prompt User Confirmation
14.56.9.Using JOptionPane to prompt user confirmation: a demoUsing JOptionPane to prompt user confirmation: a demo
14.56.10.Using JOptionPane to Obtain User Input
14.56.11.Using JOptionPane with a predefined selectionsUsing JOptionPane with a predefined selections
14.56.12.Display JOptionPane
14.56.13.JOptionPane Utility Class: Get selection from JOptionPaneJOptionPane Utility Class: Get selection from JOptionPane
14.56.14.Message Pop-UpsMessage Pop-Ups
14.56.15.Confirm Pop-UpsConfirm Pop-Ups
14.56.16.Input Pop-UpsInput Pop-Ups
14.56.17.Big value list for JOptionInput DialogBig value list for JOptionInput Dialog
14.56.18.Option Pop-UpsOption Pop-Ups
14.56.19.String Array Option PopupsString Array Option Popups
14.56.20.Complex message argumentsComplex message arguments
14.56.21.Adding Components to the Button Area: Using JOptionPane with a JButton containing a text label and an iconAdding Components to the Button Area: Using JOptionPane with a JButton containing a text label and an icon
14.56.22.Sample JOptionPane in a JDialogSample JOptionPane in a JDialog
14.56.23.Instant Input DialogsInstant Input Dialogs
14.56.24.JOptionPane WARNING_MESSAGEJOptionPane WARNING_MESSAGE
14.56.25.Dialog without parent componentDialog without parent component
14.56.26.To displays a dialog with a list of choices in a drop-down list boxTo displays a dialog with a list of choices in a drop-down list box
14.56.27.Understanding the Message PropertyUnderstanding the Message Property
14.56.28.Using JOptionPane with a JSliderUsing JOptionPane with a JSlider
14.56.29.Displaying Multiline MessagesDisplaying Multiline Messages
14.56.30.Setting JOptionPane button labels to FrenchSetting JOptionPane button labels to French
14.56.31.Tip Of Day Dialog
14.56.32.About dialogAbout dialog
14.56.33.Create a Confirm Dialog Box
14.56.34.Create a Message Dialog Box
14.56.35.Yes no cancel dialog
14.56.36.OK cancel option dialog
14.56.37.Dialog with default options
14.56.38.Customize JOptionPane buttons
14.56.39.Modal dialog with yes/no button
14.56.40.Modal dialog with OK/cancel and a text field
14.56.41.Wait for a click and then quit
14.56.42.Localize a JOptionPane dialog
14.56.43.Modifiable JOptionPane
14.56.44.Customizing a JOptionPane Look and Feel