com.siteview.mde.internal.ui.views.dependencies.DependenciesLabelProvider.java Source code

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Here is the source code for com.siteview.mde.internal.ui.views.dependencies.DependenciesLabelProvider.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 com.siteview.mde.internal.ui.views.dependencies;

import com.siteview.mde.core.monitor.*;

import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.osgi.service.resolver.*;
import com.siteview.mde.internal.ui.*;
import com.siteview.mde.internal.ui.util.SharedLabelProvider;
import org.eclipse.swt.graphics.Image;
import org.osgi.framework.Version;

public class DependenciesLabelProvider extends LabelProvider {
    private MDELabelProvider fSharedProvider;

    private boolean fShowReexport;

    /**
     * Constructor for PluginsLabelProvider.
     */
    public DependenciesLabelProvider(boolean showRexport) {
        super();
        fShowReexport = showRexport;
        fSharedProvider = MDEPlugin.getDefault().getLabelProvider();
        fSharedProvider.connect(this);
    }

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

    public String getText(Object obj) {
        if (obj instanceof IMonitorImport) {
            return ((IMonitorImport) obj).getId();
        } else if (obj instanceof String) {
            return (String) obj;
        } else if (obj instanceof IMonitorModelBase) {
            return ((IMonitorModelBase) obj).getMonitorBase(false).getId();
        } else if (obj instanceof IMonitorBase) {
            return fSharedProvider.getObjectText((IMonitorBase) obj);
        } else if (obj instanceof BundleDescription) {
            return getObjectText((BundleDescription) obj);
        } else if (obj instanceof VersionConstraint) {
            // ImportPackageSpecification, BundleSpecification
            BaseDescription desc = ((VersionConstraint) obj).getSupplier();
            if (desc instanceof BundleDescription)
                return getObjectText((BundleDescription) desc);
            else if (desc instanceof ExportPackageDescription)
                return getObjectText(((ExportPackageDescription) desc).getExporter());
            // if unresolved, just show name
            return ((VersionConstraint) obj).getName();
        }

        return fSharedProvider.getText(obj);
    }

    public String getObjectText(BundleDescription obj) {
        String name = fSharedProvider.getObjectText(obj);
        Version version = obj.getVersion();
        // Bug 183417 - Bidi3.3: Elements' labels in the extensions page in the fragment manifest characters order is incorrect
        // Use the PDELabelProvider.formatVersion function to properly format the version for all languages including bidi
        return name + ' ' + MDELabelProvider.formatVersion(version.toString());
    }

    public Image getImage(Object obj) {
        int flags = 0;
        String id = null;
        if (obj instanceof IMonitorImport) {
            IMonitorImport iobj = (IMonitorImport) obj;
            id = iobj.getId();
            if (fShowReexport && iobj.isReexported())
                flags = SharedLabelProvider.F_EXPORT;
        } else if (obj instanceof String) {
            id = (String) obj;
        }
        if (id != null) {
            IMonitorModelBase model = MonitorRegistry.findModel(id);
            if (model != null) {
                if (model.getUnderlyingResource() == null)
                    flags |= SharedLabelProvider.F_EXTERNAL;
            }

            if (model == null)
                flags = SharedLabelProvider.F_ERROR;

            if (model != null && model instanceof IFragmentModel)
                return fSharedProvider.get(MDEPluginImages.DESC_FRAGMENT_OBJ, flags);
            return fSharedProvider.get(MDEPluginImages.DESC_PLUGIN_OBJ, flags);
        }
        if (obj instanceof IMonitorModelBase) {
            if (((IMonitorModelBase) obj).getUnderlyingResource() == null)
                flags |= SharedLabelProvider.F_EXTERNAL;
            if (obj instanceof IFragmentModel)
                return fSharedProvider.get(MDEPluginImages.DESC_FRAGMENT_OBJ, flags);
            return fSharedProvider.get(MDEPluginImages.DESC_PLUGIN_OBJ, flags);
        }
        if (obj instanceof IMonitorBase) {
            if (((IMonitorBase) obj).getMonitorModel().getUnderlyingResource() == null)
                flags |= SharedLabelProvider.F_EXTERNAL;
            if (obj instanceof IFragment)
                return fSharedProvider.get(MDEPluginImages.DESC_FRAGMENT_OBJ, flags);
            return fSharedProvider.get(MDEPluginImages.DESC_PLUGIN_OBJ, flags);
        }
        if (obj instanceof BundleDescription) {
            id = ((BundleDescription) obj).getSymbolicName();
        } else if (obj instanceof BundleSpecification) {
            id = ((VersionConstraint) obj).getName();
            if (fShowReexport) {
                if (((BundleSpecification) obj).isExported())
                    flags |= SharedLabelProvider.F_EXPORT;
            }
        } else if (obj instanceof ImportPackageSpecification) {
            BaseDescription export = ((ImportPackageSpecification) obj).getSupplier();
            id = ((ExportPackageDescription) export).getExporter().getSymbolicName();
        }
        if (id != null) {
            IMonitorModelBase model = MonitorRegistry.findModel(id);
            if (model != null) {
                if (model.getUnderlyingResource() == null)
                    flags |= SharedLabelProvider.F_EXTERNAL;
            }
            if (model == null)
                flags = SharedLabelProvider.F_ERROR;
            if (model != null && model instanceof IFragmentModel)
                return fSharedProvider.get(MDEPluginImages.DESC_FRAGMENT_OBJ, flags);
            return fSharedProvider.get(MDEPluginImages.DESC_PLUGIN_OBJ, flags);
        }
        return fSharedProvider.getImage(obj);
    }

}