| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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; |
| |
| /* |
| * Virtual Table example snippet: create a table with 1,000,000 items (lazy) |
| * |
| * 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.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet144 { |
| |
| static final int COUNT = 1000000; |
| |
| public static void main(String[] args) { |
| Display display = new Display (); |
| final Shell shell = new Shell (display); |
| shell.setLayout (new RowLayout (SWT.VERTICAL)); |
| final Table table = new Table (shell, SWT.VIRTUAL | SWT.BORDER); |
| table.addListener (SWT.SetData, event -> { |
| TableItem item = (TableItem) event.item; |
| int index = table.indexOf (item); |
| item.setText ("Item " + index); |
| System.out.println (item.getText ()); |
| }); |
| table.setLayoutData (new RowData (200, 200)); |
| Button button = new Button (shell, SWT.PUSH); |
| button.setText ("Add Items"); |
| final Label label = new Label(shell, SWT.NONE); |
| button.addListener (SWT.Selection, event -> { |
| long t1 = System.currentTimeMillis (); |
| table.setItemCount (COUNT); |
| long t2 = System.currentTimeMillis (); |
| label.setText ("Items: " + COUNT + ", Time: " + (t2 - t1) + " (ms)"); |
| shell.layout (); |
| }); |
| shell.pack (); |
| shell.open (); |
| while (!shell.isDisposed ()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| display.dispose (); |
| } |
| } |