/*******************************************************************************
* Copyright (c) 2006, 2008 Soyatec (http://www.soyatec.com) 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:
* Soyatec - initial API and implementation
*******************************************************************************/
package org.eclipse.e4.xwt.databinding;
import org.eclipse.e4.xwt.IObservableValueListener;
import org.eclipse.e4.xwt.core.IEventHandler;
import org.eclipse.e4.xwt.internal.utils.LoggerManager;
import org.eclipse.e4.xwt.internal.utils.ObservableValueManager;
import org.eclipse.e4.xwt.internal.utils.UserData;
import org.eclipse.e4.xwt.javabean.metadata.properties.EventProperty;
import org.eclipse.e4.xwt.metadata.IEvent;
public class EventPropertyObservableValue extends XWTObservableValue {
private EventProperty property;
public EventPropertyObservableValue(Object observed, EventProperty property) {
super(Boolean.class, observed, property.getName());
this.property = property;
IEventHandler controller = UserData.findEventController(observed);
if (controller == null) {
controller = UserData.updateEventController(observed);
}
IEvent event = property.getEvent();
IObservableValueListener manager = UserData.getObservableValueManager(observed);
if (manager == null) {
manager = new ObservableValueManager(observed);
UserData.setObservableValueManager(observed, manager);
}
try {
controller.setEvent(event, UserData.getWidget(observed), manager, property, IObservableValueListener.class.getDeclaredMethod("changeValueHandle", Object.class, org.eclipse.swt.widgets.Event.class));
manager.registerValue(property, this);
} catch (Exception e) {
LoggerManager.log(e);
return;
}
}
@Override
protected void doSetApprovedValue(Object value) {
UserData.setLocalData(getObserved(), property.getName(), value);
}
protected Object doGetValue() {
return UserData.getLocalData(getObserved(), property.getName());
}
}