Bug 82315 [nls tooling] Link to properties file does not work if file is open(ed) in text editor
I20050104-1600 The editor is opened but the key is not found.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/NLSKeyHyperlink.java
private IRegion fRegion;
	private AccessorClassReference fAccessorClassReference;
	private IEditorPart fEditor;
	private final StringLiteral fKeyStringLiteral;
	
	/**
	 * Creates a new NLS key hyperlink.
	 * 
	 * @param region
	 * @param keyStringLiteral
	 * @param ref
	 * @param editor the editor which contains the hyperlink
	 */
	public NLSKeyHyperlink(IRegion region, StringLiteral keyStringLiteral, AccessorClassReference ref, IEditorPart editor) {
		Assert.isNotNull(region);
		Assert.isNotNull(keyStringLiteral);
		Assert.isNotNull(ref);
		Assert.isNotNull(editor);
		
		fRegion= region;
		fKeyStringLiteral= keyStringLiteral;
		fAccessorClassReference= ref;
		fEditor= editor;