ArrangementLabelProvider.java

/**
 * Copyright 2010 The University of North Carolina at Chapel Hill
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package unc.lib.cdr.workbench.arrange;

import gov.loc.mets.DivType;

import org.eclipse.emf.edit.provider.INotifyChangedListener;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import unc.lib.cdr.workbench.project.ICustomEObjectBucket;
import unc.lib.cdr.workbench.project.MetsProjectNature;
import unc.lib.cdr.workbench.views.LabelImageFactory;

public class ArrangementLabelProvider extends AdapterFactoryLabelProvider implements INotifyChangedListener {

	@SuppressWarnings("unused")
	private static final Logger LOG = LoggerFactory.getLogger(ArrangementLabelProvider.class);

	private DecoratingLabelProvider provider = (DecoratingLabelProvider) WorkbenchLabelProvider
			.getDecoratingWorkbenchLabelProvider();

	/**
     *
     */
	public ArrangementLabelProvider() {
		super(MetsProjectNature.getAdapterFactory());
	}

	@Override
	public void addListener(ILabelProviderListener listener) {
		super.addListener(listener);
		this.provider.addListener(listener);
	}

	@Override
	public void dispose() {
		super.dispose();
	}

	@Override
	public void removeListener(ILabelProviderListener listener) {
		super.removeListener(listener);
		this.provider.removeListener(listener);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
	 */
	@Override
	public Image getImage(Object element) {
		Image result = LabelImageFactory.getImageForObject(element);
		if (result == null)
			result = super.getImage(element);
		if (result == null)
			result = provider.getImage(element);
		return result;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
	 */
	@Override
	public String getText(Object element) {
		if (element instanceof ArrangementProjectElement) {
			return ((ArrangementProjectElement) element).getText();
		} else if (element instanceof DivType) {
			return super.getText(element);
		} else if (element instanceof ICustomEObjectBucket) {
			return ((ICustomEObjectBucket) element).getText();
		} else {
			return super.getText(element);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.INotifyChangedListener#notifyChanged(org
	 * .eclipse.emf.common.notify.Notification)
	 */
//	@Override
//	public void notifyChanged(Notification notification) {
//		final LabelProviderChangedEvent e = new LabelProviderChangedEvent(this, notification.getNotifier());
//		Display.getDefault().asyncExec(new Runnable() {
//			public void run() {
//				for (ILabelProviderListener l : labelProviderListeners) {
//					l.labelProviderChanged(e);
//				}
//			}
//		});
//	}
}