Bug 71283 Type Hierarchy View should show active working set in content description [type hierarchy]
Eclipse 3.0 The type hierarchy should show the active working set in the content description. Instead of WorkbenchPart#setTitle(), it should use setContentDescription() to display the focus type and active working set.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
fMethodViewerViewForm.setVisible(false);
					enableMemberFilter(false);
					updateMethodViewer(null);
				} else {
					if (fCurrentOrientation == VIEW_ORIENTATION_SINGLE) {
						fMethodViewerViewForm.setVisible(true);
						methodViewerNeedsUpdate= true;
					}
					boolean horizontal= orientation == VIEW_ORIENTATION_HORIZONTAL;
					fTypeMethodsSplitter.setOrientation(horizontal ? SWT.HORIZONTAL : SWT.VERTICAL);
				}
				updateMainToolbar(orientation);
				fTypeMethodsSplitter.layout();
			}
			updateCheckedState();
			if (methodViewerNeedsUpdate) {
				updateMethodViewer(fSelectedType);
			}
			fDialogSettings.put(DIALOGSTORE_VIEWORIENTATION, orientation);
			fCurrentOrientation= orientation;
		}
	}
	
		
	private void updateCheckedState() {
		for (int i= 0; i < fToggleOrientationActions.length; i++) {
			fToggleOrientationActions[i].setChecked(fOrientation == fToggleOrientationActions[i].getOrientation());
		}
	}
	private void updateMainToolbar(int orientation) {