Swinging with JScrollPanes

Let me tell you - Swing sucks - big time. Especially some parts of it - I am looking at you JScrollPane. I have fought with this monstrosity for a bunch of days, trying to coerce it do host a JPanel with some random content in it in a reliable and non-ugly manner, that would show the whole content of a panel and not clip it in weird ways.

Out of all approaches I tried, this brutal one seems to do the right thing for me, with least hassle:

class ScrollablePanel extends JPanel
                  implements Scrollable {
private static final int A_LOT = 100000;

// cheating obviously but this seems to do the
// right thing, so whatever :). Let's hope some
// time will pass till people routinely have
// monitors 100000 pixels high
public Dimension getPreferredScrollableViewportSize() {
     return new Dimension(1, A_LOT);
}

public int getScrollableUnitIncrement(
              Rectangle visibleRect,
              int orientation,
              int direction) {
     return 1;
}

public int getScrollableBlockIncrement(
              Rectangle visibleRect,
              int orientation,
              int direction) {
     return 1;
}

public boolean getScrollableTracksViewportWidth() {
     return true;
}

public boolean getScrollableTracksViewportHeight() {
     return false;
}
}

And then

ScrollablePanel panel = new ScrollablePanel();
// now put whatever you want in the panel,
// or even add stuff to it later, after putting it
// in the srcoll
JScrollPane scroll = new JScrollPane();
scroll.setViewportView(panel);