net.bioclipse.biojava.ui.views.SequenceLabelProvider.java Source code

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Here is the source code for net.bioclipse.biojava.ui.views.SequenceLabelProvider.java

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/* *****************************************************************************
 * Copyright (c) 2007-2008 The Bioclipse Project 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
 * www.eclipse.orgepl-v10.html <http://www.eclipse.org/legal/epl-v10.html>
 * 
 * Contributors:
 *     Ola Spjuth
 *     
 ******************************************************************************/
/* *****************************************************************************
 * Copyright (c) 2009  Jonathan Alvarsson <jonalv@users.sourceforge.net>
 *
 * 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>
 *
 * Contact: http://www.bioclipse.net/
 ******************************************************************************/
package net.bioclipse.biojava.ui.views;

import java.util.List;

import net.bioclipse.biojava.ui.Activator;
import net.bioclipse.core.domain.ISequence;
import net.bioclipse.core.domain.RecordableList;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.navigator.IDescriptionProvider;

/**
 * This Provider provides text, image, and description for Molecules
 * @author ola, jonalv
 *
 */
public class SequenceLabelProvider implements ILabelProvider, IDescriptionProvider {

    private Image sequenceImage;

    public Image getImage(Object element) {
        if (element instanceof List) {
            if (sequenceImage == null) {
                ImageDescriptor descriptor = Activator.getImageDescriptor("icons/sequence4.gif");
                sequenceImage = descriptor.createImage();
            }
            return sequenceImage;
        } else if (element instanceof ISequence) {
            if (sequenceImage == null) {
                ImageDescriptor descriptor = Activator.getImageDescriptor("icons/sequence4.gif");
                sequenceImage = descriptor.createImage();
            }
            return sequenceImage;
        }
        String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
        return PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
    }

    public String getText(Object element) {
        if (element instanceof ISequence) {
            ISequence seq = (ISequence) element;
            return seq.getName();
        } else if (element instanceof RecordableList) {
            return "Sequences";
        }
        return null;
    }

    public void addListener(ILabelProviderListener listener) {
    }

    public void dispose() {
        if (sequenceImage != null)
            sequenceImage.dispose();
    }

    public boolean isLabelProperty(Object element, String property) {
        return false;
    }

    public void removeListener(ILabelProviderListener listener) {
    }

    public String getDescription(Object anElement) {
        return null;
    }
}