How to position things based on the size of Text widget

e.g. If I want to place the center of the baseline of a simple string over a certain point, what would I do?
Text t = new Text("Hello");
t.setTextOrigin(VPos.BASELINE);
I was thinking of doing something like:
t.setTranslateX(-width/2.0);
But I can't get the width. Text does not have a "width" property!
How do I know what X coordinate corresponds to the center of the Text node?
Font doesn't have any methods for computing bounds of characters or strings
EDIT....
As usually I think I've found a way a couple seconds after posting...
text.prefWidth(-1) appears to return a reasonable value.
EDIT #2...
Looked reasonable but isn't right. So far I've had to wrap the Text in a Pane just so I can bind to the width of the Pane. That seems like jumping through too many hoops.
Edited by: swpalmer on Dec 19, 2011 11:41 AM

Well, you can not create dependencies like this, but you could use nested master pages. You would still need 30 master pages for 30 chapters, in order to place the chapter number in different positions, but you
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How to position things based on the size of Text widget

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