Bug 96137 (regression) Type hierarchy displays its name in the content area when empty
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jdt.ui.PreferenceConstants;
import org.eclipse.jdt.ui.actions.CCPActionGroup;
import org.eclipse.jdt.ui.actions.GenerateActionGroup;
import org.eclipse.jdt.ui.actions.JavaSearchActionGroup;
import org.eclipse.jdt.ui.actions.OpenEditorActionGroup;
import org.eclipse.jdt.ui.actions.OpenViewActionGroup;
import org.eclipse.jdt.ui.actions.RefactorActionGroup;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.actions.AddMethodStubAction;
import org.eclipse.jdt.internal.ui.actions.CompositeActionGroup;
import org.eclipse.jdt.internal.ui.actions.NewWizardsActionGroup;
import org.eclipse.jdt.internal.ui.actions.SelectAllAction;
import org.eclipse.jdt.internal.ui.dnd.DelegatingDropAdapter;
import org.eclipse.jdt.internal.ui.dnd.JdtViewerDragAdapter;
import org.eclipse.jdt.internal.ui.dnd.ResourceTransferDragAdapter;
import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
import org.eclipse.jdt.internal.ui.packageview.SelectionTransferDragAdapter;
import org.eclipse.jdt.internal.ui.preferences.MembersOrderPreferenceCache;
import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
import org.eclipse.jdt.internal.ui.util.JavaUIHelp;
import org.eclipse.jdt.internal.ui.viewsupport.IViewPartInputProvider;
import org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider;
import org.eclipse.jdt.internal.ui.viewsupport.StatusBarUpdater;
import org.eclipse.jdt.internal.ui.workingsets.WorkingSetFilterActionGroup;
/**
 * view showing the super types/sub types of its input.
 */
public class TypeHierarchyViewPart extends ViewPart implements ITypeHierarchyViewPart, IViewPartInputProvider {