import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;

public class Main extends ApplicationWindow {

	public Main() {
		super(null);
		createActions();
		addToolBar(SWT.FLAT | SWT.WRAP);
		addMenuBar();
		addStatusLine();
	}

	@Override
	protected Control createContents(Composite parent) {
		Composite container = new Composite(parent, SWT.NONE);
		
		Button button = new Button(container, SWT.NONE);
		button.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				
				System.out.println("クリックされました");
				
				Shell shell = Main.this.getShell();
				
				MessageBox messageBox = new MessageBox( shell, SWT.YES | SWT.NO );
				messageBox.setMessage("YESかNOを選択してください");
				messageBox.setText("メッセージ");
				int result = messageBox.open();

				if( result == SWT.YES ) {
					System.out.println("YESがクリックされました");
				}
				if( result == SWT.NO ) {
					System.out.println("NOがクリックされました");
				}
				
			}
		});
		button.setBounds(55, 35, 75, 25);
		button.setText("実行");

		return container;
	}

	private void createActions() {
		// Create the actions
	}


	public static void main(String args[]) {
		try {
			Main window = new Main();
			window.setBlockOnOpen(true);
			window.open();
			Display.getCurrent().dispose();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	@Override
	protected void configureShell(Shell newShell) {
		super.configureShell(newShell);
		newShell.setText("New Application");
	}

	@Override
	protected Point getInitialSize() {
		return new Point(450, 300);
	}
}