org.eclipse.pde.internal.ui.views.plugins.PluginsLabelProvider.java Source code

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Here is the source code for org.eclipse.pde.internal.ui.views.plugins.PluginsLabelProvider.java

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/*******************************************************************************
 * Copyright (c) 2000, 2008 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 org.eclipse.pde.internal.ui.views.plugins;

import org.eclipse.core.resources.IStorage;
import org.eclipse.jdt.core.*;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.pde.core.plugin.*;
import org.eclipse.pde.internal.core.*;
import org.eclipse.pde.internal.ui.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.progress.IDeferredWorkbenchAdapter;

public class PluginsLabelProvider extends LabelProvider {
    private PDELabelProvider sharedProvider;

    private Image projectImage;

    private Image folderImage;

    /**
     * Constructor for PluginsLabelProvider.
     */
    public PluginsLabelProvider() {
        super();
        sharedProvider = PDEPlugin.getDefault().getLabelProvider();
        folderImage = PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
        projectImage = PlatformUI.getWorkbench().getSharedImages().getImage(IDE.SharedImages.IMG_OBJ_PROJECT);
        sharedProvider.connect(this);
    }

    public void dispose() {
        sharedProvider.disconnect(this);
        super.dispose();
    }

    public String getText(Object obj) {
        if (obj instanceof IPluginModelBase) {
            return getText((IPluginModelBase) obj);
        }

        if (obj instanceof FileAdapter) {
            return getText((FileAdapter) obj);
        }

        if (obj instanceof IPackageFragmentRoot) {
            // use the short name
            return ((IPackageFragmentRoot) obj).getPath().lastSegment();
        }

        if (obj instanceof IJavaElement) {
            return ((IJavaElement) obj).getElementName();
        }

        if (obj instanceof IStorage) {
            return ((IStorage) obj).getName();
        }

        if (obj instanceof IDeferredWorkbenchAdapter) {
            return ((IDeferredWorkbenchAdapter) obj).getLabel(obj);
        }

        return super.getText(obj);
    }

    public Image getImage(Object obj) {
        if (obj instanceof IPluginModelBase) {
            return getImage((IPluginModelBase) obj);
        }

        if (obj instanceof FileAdapter) {
            return getImage((FileAdapter) obj);
        }

        if (obj instanceof IPackageFragmentRoot) {
            IPackageFragmentRoot root = (IPackageFragmentRoot) obj;
            boolean hasSource = false;

            try {
                hasSource = root.getSourceAttachmentPath() != null;
            } catch (JavaModelException e) {
            }
            return JavaUI.getSharedImages()
                    .getImage(hasSource ? org.eclipse.jdt.ui.ISharedImages.IMG_OBJS_EXTERNAL_ARCHIVE_WITH_SOURCE
                            : org.eclipse.jdt.ui.ISharedImages.IMG_OBJS_EXTERNAL_ARCHIVE);
        }

        if (obj instanceof IPackageFragment) {
            return JavaUI.getSharedImages().getImage(org.eclipse.jdt.ui.ISharedImages.IMG_OBJS_PACKAGE);
        }

        if (obj instanceof ICompilationUnit) {
            return JavaUI.getSharedImages().getImage(org.eclipse.jdt.ui.ISharedImages.IMG_OBJS_CUNIT);
        }

        if (obj instanceof IClassFile) {
            return JavaUI.getSharedImages().getImage(org.eclipse.jdt.ui.ISharedImages.IMG_OBJS_CFILE);
        }

        if (obj instanceof IStorage) {
            if (obj instanceof IJarEntryResource && !((IJarEntryResource) obj).isFile())
                return folderImage;
            return getFileImage(((IStorage) obj).getName());
        }

        return null;
    }

    private String getText(IPluginModelBase model) {
        String text = sharedProvider.getText(model);
        if (!model.isEnabled())
            text = NLS.bind(PDEUIMessages.PluginsView_disabled, text);
        return text;
    }

    private String getText(FileAdapter file) {
        return file.getFile().getName();
    }

    private Image getImage(IPluginModelBase model) {
        if (model.getUnderlyingResource() != null)
            return projectImage;

        if (model instanceof IPluginModel)
            return sharedProvider.getObjectImage((IPlugin) model.getPluginBase(), true, isInJavaSearch(model));

        return sharedProvider.getObjectImage((IFragment) model.getPluginBase(), true, isInJavaSearch(model));
    }

    private boolean isInJavaSearch(IPluginModelBase model) {
        String id = model.getPluginBase().getId();
        SearchablePluginsManager manager = PDECore.getDefault().getSearchablePluginsManager();
        return manager.isInJavaSearch(id);
    }

    private Image getImage(FileAdapter fileAdapter) {
        if (fileAdapter.isDirectory()) {
            return folderImage;
        }
        return getFileImage(fileAdapter.getFile().getName());
    }

    private Image getFileImage(String fileName) {
        ImageDescriptor desc = PlatformUI.getWorkbench().getEditorRegistry().getImageDescriptor(fileName);
        return sharedProvider.get(desc);
    }
}