| /******************************************************************************* |
| * 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.core.commands.common.EventManager; |
| import org.eclipse.jface.util.SafeRunnable; |
| |
| /** |
| * BaseLabelProvider is a default concrete implementation of |
| * {@link IBaseLabelProvider} |
| * |
| * @since 3.3 |
| * |
| */ |
| public class BaseLabelProvider extends EventManager implements IBaseLabelProvider { |
| |
| /* (non-Javadoc) |
| * Method declared on IBaseLabelProvider. |
| */ |
| public void addListener(ILabelProviderListener listener) { |
| addListenerObject(listener); |
| } |
| |
| /** |
| * The <code>BaseLabelProvider</code> implementation of this |
| * <code>IBaseLabelProvider</code> method clears its internal listener list. |
| * Subclasses may extend but should call the super implementation. |
| */ |
| public void dispose() { |
| clearListeners(); |
| } |
| |
| /** |
| * The <code>BaseLabelProvider</code> implementation of this |
| * <code>IBaseLabelProvider</code> method returns <code>true</code>. 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); |
| } |
| }); |
| |
| } |
| } |
| } |