org.eclipse.jface.viewers.BaseLabelProvider Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2006, 2007 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
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.viewers;
import org.eclipse.jface.internal.util.SerializableEventManager;
import org.eclipse.jface.util.SafeRunnable;
/**
* BaseLabelProvider is a default concrete implementation of
* {@link IBaseLabelProvider}
*
* @since 1.0
*
*/
public class BaseLabelProvider extends SerializableEventManager implements IBaseLabelProvider {
/* (non-Javadoc)
* Method declared on IBaseLabelProvider.
*/
public void addListener(ILabelProviderListener listener) {
addListenerObject(listener);
}
/**
* The BaseLabelProvider implementation of this
* IBaseLabelProvider method clears its internal listener list.
* Subclasses may extend but should call the super implementation.
*/
public void dispose() {
clearListeners();
}
/**
* The BaseLabelProvider implementation of this
* IBaseLabelProvider method returns true. Subclasses may
* override.
*/
public boolean isLabelProperty(Object element, String property) {
return true;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
*/
public void removeListener(ILabelProviderListener listener) {
removeListenerObject(listener);
}
/**
* Fires a label provider changed event to all registered listeners Only
* listeners registered at the time this method is called are notified.
*
* @param event
* a label provider changed event
*
* @see ILabelProviderListener#labelProviderChanged
*/
protected void fireLabelProviderChanged(final LabelProviderChangedEvent event) {
Object[] listeners = getListeners();
for (int i = 0; i < listeners.length; ++i) {
final ILabelProviderListener l = (ILabelProviderListener) listeners[i];
SafeRunnable.run(new SafeRunnable() {
public void run() {
l.labelProviderChanged(event);
}
});
}
}
}