/*******************************************************************************
* Copyright (c) 2000, 2005 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;
/*
* Create a virtual table and add 1000 entries to it every 500 ms.
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.0
*/
import java.util.*;
import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet151 {
static int[] data = new int[0];
public static void main (String [] args) {
final Display display = new Display ();
Shell shell = new Shell (display);
shell.setLayout(new FillLayout());
final Table table = new Table(shell, SWT.BORDER | SWT.VIRTUAL);
table.addListener(SWT.SetData, new Listener() {
@Override
public void handleEvent(Event e) {
TableItem item = (TableItem)e.item;
int index = table.indexOf(item);
item.setText("Item "+data[index]);
}
});
Thread thread = new Thread() {
@Override
public void run() {
int count = 0;
Random random = new Random();
while (count++ < 500) {
if (table.isDisposed()) return;
// add 10 random numbers to array and sort
int grow = 10;
int[] newData = new int[data.length + grow];
System.arraycopy(data, 0, newData, 0, data.length);
int index = data.length;
data = newData;
for (int j = 0; j < grow; j++) {
data[index++] = random.nextInt();
}
Arrays.sort(data);
display.syncExec(new Runnable() {
@Override
public void run() {
if (table.isDisposed()) return;
table.setItemCount(data.length);
table.clearAll();
}
});
try {Thread.sleep(500);} catch (Throwable t) {}
}
}
};
thread.start();
shell.open ();
while (!shell.isDisposed()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}