| /******************************************************************************* |
| * 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; |
| |
| /* |
| * Tree example snippet: allow user to reorder columns by dragging and programmatically. |
| * |
| * 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.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Snippet193 { |
| |
| public static void main(String[] args) { |
| Display display = new Display(); |
| Shell shell = new Shell(display); |
| shell.setLayout(new RowLayout(SWT.HORIZONTAL)); |
| final Tree tree = new Tree(shell, SWT.BORDER | SWT.CHECK); |
| tree.setLayoutData(new RowData(-1, 300)); |
| tree.setHeaderVisible(true); |
| TreeColumn column = new TreeColumn(tree, SWT.LEFT); |
| column.setText("Column 0"); |
| column = new TreeColumn(tree, SWT.CENTER); |
| column.setText("Column 1"); |
| column = new TreeColumn(tree, SWT.LEFT); |
| column.setText("Column 2"); |
| column = new TreeColumn(tree, SWT.RIGHT); |
| column.setText("Column 3"); |
| column = new TreeColumn(tree, SWT.CENTER); |
| column.setText("Column 4"); |
| for (int i = 0; i < 5; i++) { |
| TreeItem item = new TreeItem(tree, SWT.NONE); |
| String[] text = new String[]{i+":0", i+":1", i+":2", i+":3", i+":4"}; |
| item.setText(text); |
| for (int j = 0; j < 5; j++) { |
| TreeItem subItem = new TreeItem(item, SWT.NONE); |
| text = new String[]{i+","+j+":0", i+","+j+":1", i+","+j+":2", i+","+j+":3", i+","+j+":4"}; |
| subItem.setText(text); |
| for (int k = 0; k < 5; k++) { |
| TreeItem subsubItem = new TreeItem(subItem, SWT.NONE); |
| text = new String[]{i+","+j+","+k+":0", i+","+j+","+k+":1", i+","+j+","+k+":2", i+","+j+","+k+":3", i+","+j+","+k+":4"}; |
| subsubItem.setText(text); |
| } |
| } |
| } |
| Listener listener = new Listener() { |
| public void handleEvent(Event e) { |
| System.out.println("Move "+e.widget); |
| } |
| }; |
| TreeColumn[] columns = tree.getColumns(); |
| for (int i = 0; i < columns.length; i++) { |
| columns[i].setWidth(100); |
| columns[i].setMoveable(true); |
| columns[i].addListener(SWT.Move, listener); |
| } |
| Button b = new Button(shell, SWT.PUSH); |
| b.setText("invert column order"); |
| b.addListener(SWT.Selection, new Listener() { |
| public void handleEvent(Event e) { |
| int[] order = tree.getColumnOrder(); |
| for (int i = 0; i < order.length / 2; i++) { |
| int temp = order[i]; |
| order[i] = order[order.length - i - 1]; |
| order[order.length - i - 1] = temp; |
| } |
| tree.setColumnOrder(order); |
| } |
| }); |
| shell.pack(); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) |
| display.sleep(); |
| } |
| display.dispose(); |
| } |
| } |