snippet82.java

Eclipse JAVA开发软件中SWT各控件范例源码

/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;
 
/*
 * CTabFolder example snippet: prevent an item from closing
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.0
 */
import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet82 {
	
public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);
	shell.setLayout(new FillLayout());
	CTabFolder folder = new CTabFolder(shell, SWT.BORDER);
	for (int i = 0; i < 4; i++) {
		CTabItem item = new CTabItem(folder, SWT.CLOSE);
		item.setText("Item "+i);
		Text text = new Text(folder, SWT.MULTI);
		text.setText("Content for Item "+i);
		item.setControl(text);
	}
	
	final CTabItem specialItem = new CTabItem(folder, SWT.CLOSE);
	specialItem.setText("Don't Close Me");
	Text text = new Text(folder, SWT.MULTI);
	text.setText("This tab can never be closed");
	specialItem.setControl(text);
		
	folder.addCTabFolder2Listener(new CTabFolder2Adapter() {
		public void close(CTabFolderEvent event) {
			if (event.item.equals(specialItem)) {
				event.doit = false;
			}
		}
	});
	
	final CTabItem noCloseItem = new CTabItem(folder, SWT.NONE);
	noCloseItem.setText("No Close Button");
	Text text2 = new Text(folder, SWT.MULTI);
	text2.setText("This tab does not have a close button");
	noCloseItem.setControl(text2);
	
	shell.pack();
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
}