| /******************************************************************************* |
| * Copyright (c) 2006 Oracle 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: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.common.ui.details; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| |
| /** |
| * @author Michal Chmielewski (michal.chmielewski@oracle.com) |
| * @date Jul 27, 2007 |
| * |
| */ |
| @SuppressWarnings("nls") |
| public class FocusContext implements IValue , Listener { |
| |
| /** The widget name */ |
| public static final String NAME = "name"; |
| |
| Control [] fControls; |
| |
| Control fFocussed; |
| |
| /** |
| * @param args |
| */ |
| public FocusContext ( Control ... args ) { |
| |
| fControls = args; |
| |
| for(Control control : fControls) { |
| control.addListener(SWT.FocusIn, this); |
| } |
| } |
| |
| |
| |
| /** |
| * @see org.eclipse.bpel.common.ui.details.IValue#get() |
| */ |
| @SuppressWarnings("boxing") |
| public Object get () { |
| if (fFocussed == null) { |
| return null; |
| } |
| return fFocussed.getData(NAME); |
| } |
| |
| /** |
| * @param obj |
| */ |
| |
| public void set ( Object obj ) { |
| for (Control c : fControls) { |
| Object name = c.getData(NAME); |
| if (name == null || name.equals(obj) == false) { |
| continue; |
| } |
| c.setFocus(); |
| return ; |
| } |
| } |
| |
| |
| |
| /** |
| * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) |
| */ |
| public void handleEvent (Event event) { |
| if (event.widget instanceof Control) { |
| fFocussed = (Control) event.widget; |
| } else { |
| fFocussed = null; |
| } |
| } |
| |
| } |