Bug 18588 [Workbench] Hierarchy - no progress monitor ?
Build 20020601 Open type java.lang.Object, select Object type name in editor, and hit F4. No progress is shown during hierarchy opening.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
fHierarchyLifeCycle.freeHierarchy();
		fHierarchyLifeCycle.removeChangedListener(fTypeHierarchyLifeCycleListener);
		fPaneLabelProvider.dispose();
		
		fMethodsViewer.dispose();
		
		if (fPropertyChangeListener != null) {
			JavaPlugin.getDefault().getPreferenceStore().removePropertyChangeListener(fPropertyChangeListener);
			fPropertyChangeListener= null;
		}
		
		getSite().getPage().removePartListener(fPartListener);
		if (fActionGroups != null)
			fActionGroups.dispose();
		super.dispose();
	}
		
	/**
	 * Answer the property defined by key.
	 */
	public Object getAdapter(Class key) {
		if (key == IShowInSource.class) {
			return getShowInSource();
		}
		if (key == IShowInTargetList.class) {
			return new IShowInTargetList() {
				public String[] getShowInTargetIds() {
					return new String[] { JavaUI.ID_PACKAGES, IPageLayout.ID_RES_NAV  };
				}
			};