Re: JTextArea contraints

I have tried and cont. to limit the rows(lines) on a JTextArea.
I have created a PlainDoc. and have successfully limited the max
char(s).
The max chars is good for the text area as a whole if you start at 0
and fill every line.
However in this case, which would be a text editor, a vertical limit is
needed.

The user can not exceed past row/line 17. As is now, the user can type
past line 17.
Any suggestions on how to limit?

Posted is the Plain Doc., to show the limit on maxchar(s)

public class MaxLengthDocument extends PlainDocument {

 private int maxRows = 0;

  // create a Document with a specified max length
  public MaxLengthDocument(int maxLength) {
    max = maxLength;
  }

  // don't allow an insertion to exceed the max length
  public void insertString(int offset, String str, AttributeSet a)
      throws BadLocationException {

    if (getLength() + str.length() > max )
      java.awt.Toolkit.getDefaultToolkit().beep();

    else
      super.insertString(offset, str, a);
  }
}