org.eclipse.swt.snippets.Snippet98.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet98.java

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/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Composite example snippet: create and dispose children of a composite
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet98 {

    static int pageNum = 0;
    static Composite pageComposite;

    public static void main(String args[]) {
        Display display = new Display();
        final Shell shell = new Shell(display);
        shell.setText("Snippet 98");
        shell.setLayout(new GridLayout());
        Button button = new Button(shell, SWT.PUSH);
        button.setText("Push");
        pageComposite = new Composite(shell, SWT.NONE);
        pageComposite.setLayout(new GridLayout());
        pageComposite.setLayoutData(new GridData());

        button.addListener(SWT.Selection, event -> {
            if ((pageComposite != null) && (!pageComposite.isDisposed())) {
                pageComposite.dispose();
            }
            pageComposite = new Composite(shell, SWT.NONE);
            pageComposite.setLayout(new GridLayout());
            pageComposite.setLayoutData(new GridData());
            if (pageNum++ % 2 == 0) {
                Table table = new Table(pageComposite, SWT.BORDER);
                table.setLayoutData(new GridData());
                for (int i = 0; i < 5; i++) {
                    new TableItem(table, SWT.NONE).setText("table item " + i);
                }
            } else {
                new Button(pageComposite, SWT.RADIO).setText("radio");
            }
            shell.layout(true);
        });

        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}