| /******************************************************************************* |
| * Copyright (c) 2008, 2009 Matthew Hall 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: |
| * Matthew Hall - initial API and implementation |
| * Tom Schindl - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jface.internal.databinding.swt; |
| |
| import org.eclipse.core.databinding.observable.Diffs; |
| import org.eclipse.core.databinding.observable.value.ValueDiff; |
| import org.eclipse.core.databinding.property.INativePropertyListener; |
| import org.eclipse.core.databinding.property.IProperty; |
| import org.eclipse.core.databinding.property.ISimplePropertyListener; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Event; |
| |
| /** |
| * @since 3.3 |
| * |
| */ |
| public class ControlFocusedProperty extends WidgetBooleanValueProperty<Control> { |
| /** |
| * |
| */ |
| public ControlFocusedProperty() { |
| super(); |
| } |
| |
| public boolean doGetBooleanValue(Control source) { |
| return source.isFocusControl(); |
| } |
| |
| public void doSetBooleanValue(Control source, boolean value) { |
| if (value) |
| source.setFocus(); |
| } |
| |
| public INativePropertyListener<Control> adaptListener( |
| ISimplePropertyListener<ValueDiff<Boolean>> listener) { |
| int[] events = { SWT.FocusIn, SWT.FocusOut }; |
| return new ControlFocusListener(this, listener, events, null); |
| } |
| |
| private class ControlFocusListener extends |
| WidgetListener<Control, ValueDiff<Boolean>> { |
| /** |
| * @param property |
| * @param listener |
| * @param changeEvents |
| * @param staleEvents |
| */ |
| private ControlFocusListener(IProperty property, |
| ISimplePropertyListener<ValueDiff<Boolean>> listener, |
| int[] changeEvents, int[] staleEvents) { |
| super(property, listener, changeEvents, staleEvents); |
| } |
| |
| public void handleEvent(Event event) { |
| switch (event.type) { |
| case SWT.FocusIn: |
| fireChange(event.widget, |
| Diffs.createValueDiff(Boolean.FALSE, Boolean.TRUE)); |
| break; |
| case SWT.FocusOut: |
| fireChange(event.widget, |
| Diffs.createValueDiff(Boolean.TRUE, Boolean.FALSE)); |
| break; |
| } |
| } |
| } |
| |
| public String toString() { |
| return "Control.focus <boolean>"; //$NON-NLS-1$ |
| } |
| } |