| /******************************************************************************* |
| * 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; |
| |
| /* |
| * Table snippet: specify custom column widths when a column is packed |
| * |
| * For a detailed explanation of this snippet see |
| * http://www.eclipse.org/articles/Article-CustomDrawingTableAndTreeItems/customDraw.htm#_example2 |
| * |
| * For a list of all SWT example snippets see |
| * http://www.eclipse.org/swt/snippets/ |
| * |
| * @since 3.2 |
| */ |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet272 { |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setBounds(10,10,400,200); |
| Table table = new Table(shell, SWT.NONE); |
| table.setBounds(10,10,350,150); |
| table.setHeaderVisible(true); |
| table.setLinesVisible(true); |
| final TableColumn column0 = new TableColumn(table, SWT.NONE); |
| column0.setWidth(100); |
| final TableColumn column1 = new TableColumn(table, SWT.NONE); |
| column1.setWidth(100); |
| column0.addListener(SWT.Selection, event -> column0.pack()); |
| column1.addListener(SWT.Selection, event -> column1.pack()); |
| for (int i = 0; i < 5; i++) { |
| TableItem item = new TableItem(table, SWT.NONE); |
| item.setText(0, "item " + i + " col 0"); |
| item.setText(1, "item " + i + " col 1"); |
| } |
| |
| /* |
| * NOTE: MeasureItem is called repeatedly. Therefore it is critical |
| * for performance that this method be as efficient as possible. |
| */ |
| table.addListener(SWT.MeasureItem, event -> event.width *= 2); |
| |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) display.sleep(); |
| } |
| display.dispose(); |
| } |
| } |