Bug 77598 [nls tooling] NLS hovers / Ctrl+Click not consistent for duplicate keys
20041103 With the following files, the key A.0 is duplicate. - Ctrl + Click: Junps to 'hello' - Hover over "A.0" in class A: shows 'world' public class A { String h= Messages.getString("A.0"); //$NON-NLS-1$ } messages.properties: A.0=hello A.0=world
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
}
		/**
		 * Set the event filter to the given filter.
		 * 
		 * @param filter The new filter.
		 */
		public void setFilter(IPropertyChangeEventFilter filter) {
			fFilter= filter;
		}
		
		/**
		 * Returns the event filter.
		 * 
		 * @return The event filter.
		 */
		public IPropertyChangeEventFilter getFilter() {
			return fFilter;
		}
	}
	
	/*
	 * Link mode.  
	 */
	class MouseClickListener implements KeyListener, MouseListener, MouseMoveListener,
		FocusListener, PaintListener, IPropertyChangeListener, IDocumentListener, ITextInputListener, ITextPresentationListener {
		
		private boolean fActive;
		
		private IRegion fActiveRegion;