Bug 7540 JDT Type hierarchy "Lock view ..." doen't work always
If the "Lock view and show members in hierarchy" is selected before any method is selected in method pane, the class pane isn t updated, if a method is selected afterwards. Selecting a method and select "Lock view..." works as expected
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
/**
	 * Sets the member filter. <code>null</code> disables member filtering.
	 */	
	private void setMemberFilter(IMember[] memberFilter) {
		Assert.isNotNull(fAllViewers);
		for (int i= 0; i < fAllViewers.length; i++) {
			fAllViewers[i].setMemberFilter(memberFilter);
		}
		fIsEnableMemberFilter= (memberFilter != null);
	}	
	
	private IType getSelectableType(IJavaElement elem) {
		ISelection sel= null;
		if (elem.getElementType() != IJavaElement.TYPE) {
			return (IType) getCurrentViewer().getTreeRootType();
		} else {
			return (IType) elem;
		}
	}
	
	private void internalSelectType(IMember elem, boolean reveal) {	
		TypeHierarchyViewer viewer= getCurrentViewer();
		viewer.removeSelectionChangedListener(fSelectionChangedListener);
		viewer.setSelection(elem != null ? new StructuredSelection(elem) : StructuredSelection.EMPTY, reveal);
		viewer.addSelectionChangedListener(fSelectionChangedListener);
	}
	
	private void internalSelectMember(IMember member) {
		fMethodsViewer.removeSelectionChangedListener(fSelectionChangedListener);
		fMethodsViewer.setSelection(member != null ? new StructuredSelection(member) : StructuredSelection.EMPTY);