Bug 28716 [misc] 'Goto Matching Bracket' fails when 'Show Source of Selected Element Only' is selected
When the 'Show Source of Selected Element Only' button is pressed and the editor is narrowed down to the selected method the Goto Matching Bracket action fails. It reports 'No Matching Bracket' found in the status bar. Invoking the same action on the same bracket when the editor shows the whole of the source file works as expected.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
sourceViewer.invalidateTextPresentation();
		}
	}
	/**
	 * Returns a segmentation of the line of the given viewer's input document appropriate for
	 * bidi rendering. The default implementation returns only the string literals of a java code
	 * line as segments.
	 * 
	 * @param viewer the text viewer
	 * @param lineOffset the offset of the line
	 * @return the line's bidi segmentation
	 * @throws BadLocationException in case lineOffset is not valid in document
	 */
	public static int[] getBidiLineSegments(ITextViewer viewer, int lineOffset) throws BadLocationException {
			
		IDocument document= viewer.getDocument();
		if (document == null)
			return null;
			
		IRegion line= document.getLineInformationOfOffset(lineOffset);
		ITypedRegion[] linePartitioning= TextUtilities.computePartitioning(document, IJavaPartitions.JAVA_PARTITIONING, lineOffset, line.getLength());
		
		List segmentation= new ArrayList();
		for (int i= 0; i < linePartitioning.length; i++) {
			if (IJavaPartitions.JAVA_STRING.equals(linePartitioning[i].getType()))
				segmentation.add(linePartitioning[i]);
		}
		
		
		if (segmentation.size() == 0)