EmbedJTableSWTNoFlicker.java Source code

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Here is the source code for EmbedJTableSWTNoFlicker.java

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/*******************************************************************************
 * 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;
/*
 * example snippet: embed a JTable in SWT (no flicker)
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 * 
 * @since 3.0
 */
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.Panel;
import java.util.Vector;

import javax.swing.JRootPane;
import javax.swing.JScrollPane;
import javax.swing.JTable;

import org.eclipse.swt.SWT;
import org.eclipse.swt.awt.SWT_AWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class EmbedJTableSWTNoFlicker {

    public static void main(String[] args) {
        final Display display = new Display();
        final Shell shell = new Shell(display);
        shell.setLayout(new FillLayout());

        Composite composite = new Composite(shell, SWT.NO_BACKGROUND | SWT.EMBEDDED);

        /*
         * Set a Windows specific AWT property that prevents heavyweight components
         * from erasing their background. Note that this is a global property and
         * cannot be scoped. It might not be suitable for your application.
         */
        try {
            System.setProperty("sun.awt.noerasebackground", "true");
        } catch (NoSuchMethodError error) {
        }

        /* Create and setting up frame */
        Frame frame = SWT_AWT.new_Frame(composite);
        Panel panel = new Panel(new BorderLayout()) {
            public void update(java.awt.Graphics g) {
                /* Do not erase the background */
                paint(g);
            }
        };
        frame.add(panel);
        JRootPane root = new JRootPane();
        panel.add(root);
        java.awt.Container contentPane = root.getContentPane();

        /* Creating components */
        int nrows = 1000, ncolumns = 10;
        Vector rows = new Vector();
        for (int i = 0; i < nrows; i++) {
            Vector row = new Vector();
            for (int j = 0; j < ncolumns; j++) {
                row.addElement("Item " + i + "-" + j);
            }
            rows.addElement(row);
        }
        Vector columns = new Vector();
        for (int i = 0; i < ncolumns; i++) {
            columns.addElement("Column " + i);
        }
        JTable table = new JTable(rows, columns);
        table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        table.createDefaultColumnsFromModel();
        JScrollPane scrollPane = new JScrollPane(table);
        contentPane.setLayout(new BorderLayout());
        contentPane.add(scrollPane);

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