org.eclipse.gyrex.admin.ui.context.internal.ContextUiLabelProvider.java Source code

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Here is the source code for org.eclipse.gyrex.admin.ui.context.internal.ContextUiLabelProvider.java

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/**
 * Copyright (c) 2011, 2012 Gunnar Wagenknecht 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:
 *     Gunnar Wagenknecht - initial API and implementation
 */
package org.eclipse.gyrex.admin.ui.context.internal;

import org.eclipse.gyrex.context.definitions.ContextDefinition;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;

public class ContextUiLabelProvider extends LabelProvider {

    /** serialVersionUID */
    private static final long serialVersionUID = 1L;

    private ResourceManager manager;

    @Override
    public void dispose() {
        if (null != manager) {
            manager.dispose();
            manager = null;
        }
        super.dispose();
    }

    @Override
    public Image getImage(final Object element) {
        final ImageDescriptor descriptor = getImageDescriptor(element);
        if (descriptor == null)
            return null;
        return getResourceManager().createImage(descriptor);
    }

    private ImageDescriptor getImageDescriptor(final Object element) {
        return null;
    }

    private ResourceManager getResourceManager() {
        if (null == manager) {
            manager = new LocalResourceManager(JFaceResources.getResources());
        }
        return manager;
    }

    @Override
    public String getText(final Object element) {
        if (element instanceof ContextDefinition) {
            final ContextDefinition contextDefinition = (ContextDefinition) element;
            return contextDefinition.getName() + " (" + contextDefinition.getPath().toString() + ")";
        }

        return super.getText(element);
    }
}