/*******************************************************************************
* Copyright (c) 2008, 2015 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.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 {
/**
*
*/
public ControlFocusedProperty() {
super();
}
@Override
public boolean doGetBooleanValue(Object source) {
return ((Control) source).isFocusControl();
}
@Override
public void doSetBooleanValue(Object source, boolean value) {
if (value)
((Control) source).setFocus();
}
@Override
public INativePropertyListener adaptListener(
ISimplePropertyListener listener) {
int[] events = { SWT.FocusIn, SWT.FocusOut };
return new ControlFocusListener(this, listener, events, null);
}
private class ControlFocusListener extends WidgetListener {
/**
* @param property
* @param listener
* @param changeEvents
* @param staleEvents
*/
private ControlFocusListener(IProperty property,
ISimplePropertyListener listener, int[] changeEvents,
int[] staleEvents) {
super(property, listener, changeEvents, staleEvents);
}
@Override
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;
}
}
}
@Override
public String toString() {
return "Control.focus <boolean>"; //$NON-NLS-1$
}
}