private void handleDocumentEvent(DocumentEvent e, Shape a, ViewFactory f) {
int n = calculateLineCount();
if (this.nlines != n) {
this.nlines = n;
WrappedSyntaxView.this.preferenceChanged(this, false, true);
// have to repaint any views after the receiver.
RSyntaxTextArea textArea = (RSyntaxTextArea) getContainer();
textArea.repaint();
// Must also revalidate container so gutter components, such
// as line numbers, get updated for this line's new height
Gutter gutter = RSyntaxUtilities.getGutter(textArea);
if (gutter != null) {
gutter.revalidate();
gutter.repaint();
}
} else if (a != null) {
Component c = getContainer();
Rectangle alloc = (Rectangle) a;
c.repaint(alloc.x, alloc.y, alloc.width, alloc.height);
}
}
