cser.ast.view.CSeRLabelProvider.java Source code

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Here is the source code for cser.ast.view.CSeRLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2000, 2006 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 cser.ast.view;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.eclipse.core.commands.common.HandleObject;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;

import cser.Activator;
import cser.core.CSeRClone;

public class CSeRLabelProvider extends LabelProvider {

    private static Map<String, Image> images = new HashMap<String, Image>();

    public CSeRLabelProvider() {

    }

    @SuppressWarnings("unchecked")
    public String getText(Object obj) {
        if (obj instanceof CSeRClone)
            return getText((CSeRClone) obj);
        if (obj instanceof List) {
            return "group (" + ((List) obj).size() + ")";
        }
        return null;

    }

    @Override
    public Image getImage(Object obj) {
        if (obj instanceof CSeRClone) {
            CSeRClone clone = (CSeRClone) obj;
            if (clone.getParent() != null)
                return loadImage("copy.gif");
            return loadImage("newBook.gif");
        }
        return null;
    }

    private Image loadImage(String imageName) {
        if (images.containsKey(imageName))
            return images.get(imageName);
        Image image = Activator.getImageDescriptor(imageName).createImage();
        images.put(imageName, image);
        return image;

    }

    private String getText(CSeRClone clone) {
        StringBuffer buffer = new StringBuffer();
        buffer.append(clone.getFileName());
        return buffer.toString();

    }

}