Bug 26265 No busy cursor when selecting type in type hierarchy [type hierarchy]
Build 20021113 - load JUnit - create hierarchy for TestCase - enlarge size of TestCase.java by duplicating methods - select Object in hierarchy - select TextCase in hierarchy observe: you don't get a busy cursor. IDE looks froozen.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
action.setChecked(fCurrentViewerIndex == action.getViewerIndex());
		}
	}
	/**
	 * Gets the curret active view index.
	 */		
	public int getViewIndex() {
		return fCurrentViewerIndex;
	}
	
	private TypeHierarchyViewer getCurrentViewer() {
		return fAllViewers[fCurrentViewerIndex];
	}
	/**
	 * called from EnableMemberFilterAction.
	 * Must be called after creation of the viewpart.
	 */	
	public void enableMemberFilter(boolean on) {
		if (on != fIsEnableMemberFilter) {
			fIsEnableMemberFilter= on;
			if (!on) {
				IType methodViewerInput= (IType) fMethodsViewer.getInput();
				setMemberFilter(null);
				updateHierarchyViewer();
				updateTitle();
			
				if (methodViewerInput != null && getCurrentViewer().isElementShown(methodViewerInput)) {
					
					internalSelectType(methodViewerInput, true);
				} else if (fSelectedType != null) {