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/TypeHierarchyLifeCycle.java
region.add(element);
				}
				IJavaProject jproject= element.getJavaProject();
				fHierarchy= jproject.newTypeHierarchy(region, pm);				
			}
		} else {
			fHierarchy.refresh(pm);
		}
		fHierarchy.addTypeHierarchyChangedListener(this);
		JavaCore.addElementChangedListener(this);
	}		
	
	/*
	 * @see ITypeHierarchyChangedListener#typeHierarchyChanged
	 */
	public void typeHierarchyChanged(ITypeHierarchy typeHierarchy) {
	 	fHierarchyRefreshNeeded= true;
	}		
	/*
	 * @see IElementChangedListener#elementChanged(ElementChangedEvent)
	 */
	public void elementChanged(ElementChangedEvent event) {
		if (fChangeListeners.isEmpty()) {
			return;
		}
		
		IJavaElement elem= event.getDelta().getElement();
		if (!isReconciled() && elem instanceof IWorkingCopy && ((IWorkingCopy)elem).isWorkingCopy()) {
			return;
		}