Events on empty JTable

Question

Thought I'd post a solution I found on comp.lang.java.gui from Christian Kaufhold.
I have a scrollable JTable on which I establish a popup listener. This works fine as long as the event is received in the table rows. If the table contains fewer rows than occupy the view port and the user clicks below then the event is not received. This becomes crucial when the table model has no rows at all, when the event can never be received.
I used this code:
JTable table = new JTable(data)
     public boolean getScrollableTracksViewportHei�ght()
          Component parent = getParent();
          if (parent instanceof JViewport)
               return parent.getHeight() > getPreferredSize().height;
          return false;
}; Thus the table is always at least as high as the viewport.
It has the effect that the entire viewport has the table background colour, but that's OK with me.

Answer 1

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