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Re: JTextPane.modelToView() exception

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On 2/22/2013 13:52, Fred Kleinschmidt wrote:
> I am getting a BadLocationException from a call to textpane.modelToView()
> when the position I pass should be legal.
>
> I create a JTextPane and get its document:
>     JTextPane jtp = new JTextPane();
>     Document doc = jtp.getDocument();
> Then I add a document listener to the document.
>
> This is inside a DocumentListener's insertUpdate() method:
> public void insertUpdate( DocumentEvent event ) {
>     Document doc = event.getDocument();
>     int len = doc.getLength();
>     if ( len > 0 ) {
>        try {
>           Rectangle view = jtp.modelToView(len-1);
>           // do other things here
>        } catch (Exception e) {
>           e.printStackTrace();
>        }
>     }
> }
>
> Everything is fine until I enter the first character after a newline.
> Then I get a BadLocationException: Position not represented by view
> (I am using Java 1.6, on a Windows 7 platform)
>

An SSCCE would have been really nice here.  But I think the behavior you 
are seeing is normal.  I'm curious as to what you are really trying to 
do with the result of the JTextComponent.modelToView() call?  Best I can 
tell the purpose of that method is to facilitate cursors.

knute...

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JTextPane.modelToView() exception Fred Kleinschmidt <fred.l.kleinschmidt@gmail.com> - 2013-02-22 13:52 -0800
  Re: JTextPane.modelToView() exception Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2013-02-22 15:33 -0800
    Re: JTextPane.modelToView() exception Fred Kleinschmidt <fred.l.kleinschmidt@gmail.com> - 2013-02-25 07:48 -0800
      Re: JTextPane.modelToView() exception Knute Johnson <nospam@knutejohnson.com> - 2013-02-25 09:08 -0800

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