MessageBoxExample.java Source code

Introduction

Here is the source code for MessageBoxExample.java

Source

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Mar 18, 2004 12:03:07 AM by JACK
 * $Id$
 * 
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;

public class MessageBoxExample {
    Display display = new Display();
    Shell shell = new Shell(display);

    Button button;

    public MessageBoxExample() {
        button = new Button(shell, SWT.PUSH);

        button.addListener(SWT.Selection, new Listener() {
            public void handleEvent(Event event) {
                MessageBox messageBox = new MessageBox(shell,
                        SWT.ICON_WARNING | SWT.ABORT | SWT.RETRY | SWT.IGNORE);

                messageBox.setText("Warning");
                messageBox.setMessage("Save the changes before exiting?");
                int buttonID = messageBox.open();
                switch (buttonID) {
                case SWT.YES:
                    // saves changes ...
                case SWT.NO:
                    // exits here ...
                    break;
                case SWT.CANCEL:
                    // does nothing ...
                }
                System.out.println(buttonID);
            }
        });

        button.setText("Click me!");

        button.setBounds(0, 0, 100, 30);

        shell.pack();
        shell.open();
        //textUser.forceFocus();

        // Set up the event loop.
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                // If no more entries in event queue
                display.sleep();
            }
        }

        display.dispose();
    }

    private void init() {

    }

    public static void main(String[] args) {
        new MessageBoxExample();
    }
}