Scrolling to a given line or offset in a JTextPane Please Help

I have looked on the web and do not see a solution to this problem. Maybee I am missing somthing very easy here.
I am using a JTextPane to display text of multiple colours.
The JTextPane is contained within a JScrollPane.
I am using a highlighter to highlight individual lines of text within this JTextPane.
However, the highlighted text may be outside of the viewport of the scrollPane and not be visible.
How do I scroll so that the highlighted line of code is visible????
I know you can scrollToVisibleRect. However how do I get the rectangle coordinates from a line of code, or from the highlighter.
Is it possibile and easy to scroll to make an offset or line number visible.????
So far I have tried:
setCaretPosition();
However this causes problems with highlighting.
Cheers
Andrew.

In the future, Swing related questions should be posted in the Swing forum.
So far I have tried:
setCaretPosition();
However this causes problems with highlighting.Makes no sense, setting the caret position has nothing to do with highlighting. Sounds like you have some other bug. Setting the caret position should work.
I know you can scrollToVisibleRect. However how do I get the
rectangle coordinates from a line of code, or from the highlighterAssuming you know the offset of the text you can use
textPane.modelToView(...)
to get the location of the text.

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