gov.redhawk.prf.ui.wizard.PropertiesBrowserLabelProvider.java Source code

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Here is the source code for gov.redhawk.prf.ui.wizard.PropertiesBrowserLabelProvider.java

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/**
 * This file is protected by Copyright. 
 * Please refer to the COPYRIGHT file distributed with this source distribution.
 * 
 * This file is part of REDHAWK IDE.
 * 
 * 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.
 *
 */
package gov.redhawk.prf.ui.wizard;

import gov.redhawk.prf.ui.PrfUiPlugin;
import gov.redhawk.sca.properties.Category;
import gov.redhawk.sca.properties.IPropertiesProvider;
import gov.redhawk.sca.properties.PropertiesProviderRegistry;
import gov.redhawk.sca.util.PluginUtil;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
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.ILabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * 
 */
public class PropertiesBrowserLabelProvider extends AdapterFactoryLabelProvider implements ILabelProvider {

    private ResourceManager resourceManager;

    /**
     * @param adapterFactory
     */
    public PropertiesBrowserLabelProvider(final AdapterFactory factory) {
        super(factory);
    }

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

        return resourceManager;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void dispose() {
        if (resourceManager != null) {
            resourceManager.dispose();
            resourceManager = null;
        }
        super.dispose();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Image getImage(final Object object) {
        IWorkbenchAdapter workbenchAdapter = PluginUtil.adapt(IWorkbenchAdapter.class, object, true);
        if (workbenchAdapter != null) {
            ImageDescriptor desc = workbenchAdapter.getImageDescriptor(object);
            if (desc != null) {
                return (Image) getResourceManager().get(desc);
            } else {
                return null;
            }
        } else if (object instanceof IPropertiesProvider) {
            ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin(PrfUiPlugin.PLUGIN_ID,
                    "icons/folder.gif");
            return (Image) getResourceManager().get(desc);
        } else if (object instanceof Category) {
            ImageDescriptor desc = AbstractUIPlugin.imageDescriptorFromPlugin(PrfUiPlugin.PLUGIN_ID,
                    "icons/folder.gif");
            return (Image) getResourceManager().get(desc);
        }
        return super.getImage(object);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getText(final Object object) {
        IWorkbenchAdapter workbenchAdapter = PluginUtil.adapt(IWorkbenchAdapter.class, object, true);
        if (workbenchAdapter != null) {
            return workbenchAdapter.getLabel(object);
        } else if (object instanceof IPropertiesProvider) {
            return PropertiesProviderRegistry.INSTANCE.getName((IPropertiesProvider) object);
        } else if (object instanceof Category) {
            return ((Category) object).getName();
        }
        return super.getText(object);
    }
}