TableEditor: tab and escape event : Table Editor « SWT « Java Tutorial

TableEditor: tab and escape event
 * 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
 * Contributors:
 *     IBM Corporation - initial API and implementation
//package org.eclipse.swt.snippets;

 * TableEditor example snippet: edit a cell in a table (in place, fancy)
 * For a list of all SWT example snippets see
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;

public class TableEditorTabEscapeEvent{
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
    for (int i = 0; i < 3; i++) {
      TableColumn column = new TableColumn(table, SWT.NONE);
    for (int i = 0; i < 3; i++) {
      TableItem item = new TableItem(table, SWT.NONE);
      item.setText(new String[] { "" + i, "" + i, "" + i });
    final TableEditor editor = new TableEditor(table);
    editor.horizontalAlignment = SWT.LEFT;
    editor.grabHorizontal = true;
    table.addListener(SWT.MouseDown, new Listener() {
      public void handleEvent(Event event) {
        Rectangle clientArea = table.getClientArea();
        Point pt = new Point(event.x, event.y);
        int index = table.getTopIndex();
        while (index < table.getItemCount()) {
          boolean visible = false;
          final TableItem item = table.getItem(index);
          for (int i = 0; i < table.getColumnCount(); i++) {
            Rectangle rect = item.getBounds(i);
            if (rect.contains(pt)) {
              final int column = i;
              final Text text = new Text(table, SWT.NONE);
              Listener textListener = new Listener() {
                public void handleEvent(final Event e) {
                  switch (e.type) {
                  case SWT.FocusOut:
                    item.setText(column, text.getText());
                  case SWT.Traverse:
                    switch (e.detail) {
                    case SWT.TRAVERSE_RETURN:
                      item.setText(column, text.getText());
                    // FALL THROUGH
                    case SWT.TRAVERSE_ESCAPE:
                      e.doit = false;
              text.addListener(SWT.FocusOut, textListener);
              text.addListener(SWT.Traverse, textListener);
              editor.setEditor(text, item, i);
            if (!visible && rect.intersects(clientArea)) {
              visible = true;
          if (!visible)
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())

17.54.Table Editor
17.54.1.Using TableEditorUsing TableEditor
17.54.2.Placing the Text Editor after mouse click and exchange data between table cell and editorPlacing the Text Editor after mouse click and exchange data between table cell and editor
17.54.3.Add selection listener to TableCursorAdd selection listener to TableCursor
17.54.4.Table Cell Editor: Combo, Text and ButtonTable Cell Editor: Combo, Text and Button
17.54.5.Add action listener to Table Button Cell EditorAdd action listener to Table Button Cell Editor
17.54.6.TableEditor: tab and escape eventTableEditor: tab and escape event
17.54.7.Edit the text of a table item (in place)Edit the text of a table item (in place)
17.54.8.Install Table Editor when navigating the Table CursorInstall Table Editor when navigating the Table Cursor