See the differences between various types of option panes : Dialog « Swing JFC « Java





See the differences between various types of option panes

See the differences between various types of option panes
   
/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O'Reilly 
*/

// OptPaneComparison.java
//A quick utility class to help you see the differences between various
//types of option panes, both via internal frames and using standalone
//popups.
//

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.JDesktopPane;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;

public class OptPaneComparison extends JFrame {

  protected JOptionPane optPane;

  public static void main(String[] args) {
    JFrame f = new OptPaneComparison("Enter your name");
    f.setVisible(true);
  }

  public OptPaneComparison(final String message) {
    setDefaultCloseOperation(EXIT_ON_CLOSE);

    final int msgType = JOptionPane.QUESTION_MESSAGE;
    final int optType = JOptionPane.OK_CANCEL_OPTION;
    final String title = message;

    setSize(350, 200);

    // Create a desktop for internal frames
    final JDesktopPane desk = new JDesktopPane();
    setContentPane(desk);

    // Add a simple menu bar
    JMenuBar mb = new JMenuBar();
    setJMenuBar(mb);

    JMenu menu = new JMenu("Dialog");
    JMenu imenu = new JMenu("Internal");
    mb.add(menu);
    mb.add(imenu);
    final JMenuItem construct = new JMenuItem("Constructor");
    final JMenuItem stat = new JMenuItem("Static Method");
    final JMenuItem iconstruct = new JMenuItem("Constructor");
    final JMenuItem istat = new JMenuItem("Static Method");
    menu.add(construct);
    menu.add(stat);
    imenu.add(iconstruct);
    imenu.add(istat);

    // Create our JOptionPane. We're asking for input, so we call
    // setWantsInput.
    // Note that we cannot specify this via constructor parameters.
    optPane = new JOptionPane(message, msgType, optType);
    optPane.setWantsInput(true);

    // Add a listener for each menu item that will display the appropriate
    // dialog/internal frame
    construct.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {

        // Create and display the dialog
        JDialog d = optPane.createDialog(desk, title);
        d.setVisible(true);

        respond(getOptionPaneValue());
      }
    });

    stat.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        String s = JOptionPane.showInputDialog(desk, message, title,
            msgType);
        respond(s);
      }
    });

    iconstruct.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {

        // Create and display the dialog
        JInternalFrame f = optPane.createInternalFrame(desk, title);
        f.setVisible(true);

        // Listen for the frame to close before getting the value from
        // it.
        f.addPropertyChangeListener(new PropertyChangeListener() {
          public void propertyChange(PropertyChangeEvent ev) {
            if ((ev.getPropertyName()
                .equals(JInternalFrame.IS_CLOSED_PROPERTY))
                && (ev.getNewValue() == Boolean.TRUE)) {
              respond(getOptionPaneValue());
            }
          }
        });
      }
    });

    istat.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent ev) {
        String s = JOptionPane.showInternalInputDialog(desk, message,
            title, msgType);
        respond(s);
      }
    });
  }

  // This method gets the selected value from the option pane and resets the
  // value to null so we can use it again.
  protected String getOptionPaneValue() {

    // Get the result . . .
    Object o = optPane.getInputValue();
    String s = "<Unknown>";
    if (o != null)
      s = (String) o;

    Object val = optPane.getValue(); // which button?

    // Check for cancel button or closed option
    if (val != null) {
      if (val instanceof Integer) {
        int intVal = ((Integer) val).intValue();
        if ((intVal == JOptionPane.CANCEL_OPTION)
            || (intVal == JOptionPane.CLOSED_OPTION))
          s = "<Cancel>";
      }
    }

    // A little trick to clean the text field. It is only updated if
    // the initial value gets changed. To do this, we'll set it to a
    // dummy value ("X") and then clear it.
    optPane.setValue("");
    optPane.setInitialValue("X");
    optPane.setInitialValue("");

    return s;
  }

  protected void respond(String s) {
    if (s == null)
      System.out.println("Never mind.");
    else
      System.out.println("You entered: " + s);
  }
}
           
         
    
    
  










Related examples in the same category

1.Creating and using Dialog BoxesCreating and using Dialog Boxes
2.Dialog boxes and creating your own componentsDialog boxes and creating your own components
3.A frame that can easily support internal frame dialogsA frame that can easily support internal frame dialogs
4.An example of using the JOptionPane with a custom list of options in anAn example of using the JOptionPane with a custom list of options in an
5.Vote DialogVote Dialog
6.Create simple about dialogCreate simple about dialog
7.Dialog separatorDialog separator
8.Message dialogMessage dialog
9.Error message dialogError message dialog
10.Information dialog with customized logoInformation dialog with customized logo
11.Input dialog with user-defined logoInput dialog with user-defined logo
12.Confirmation dialogConfirmation dialog
13.Default button for dialog: press Enter to activateDefault button for dialog: press Enter to activate
14.Simple dialog for asking a yes no questionSimple dialog for asking a yes no question
15.Class to Prompt the User for an ID and Password
16.Simple Save Dialog demoSimple Save Dialog demo
17.Demonstrate JOptionPaneDemonstrate JOptionPane
18.Create Color Sample PopupCreate Color Sample Popup
19.Simple Input DialogSimple Input Dialog
20.No button dialogNo button dialog
21.Message Dialog demo Message Dialog demo
22.Escape Key close Dialog
23.Dialog can be closed by pressing the escape key
24.Dialog which displays indeterminate progress
25.Dialog with Escape KeyDialog with Escape Key
26.Modal Message Dialog
27.A frame with a menu whose File->Connect action shows a password dialogA frame with a menu whose File->Connect action shows a password dialog
28.A sample modal dialog that displays a message and waits for the user to click the Ok button