public void paintViewport(Graphics g, JViewport c) {
if (!browser.isPreviewColumnFilled()) {
Dimension vs = c.getSize();
Dimension bs = browser.getSize();
JScrollBar vb = getVerticalBar();
g.setColor(Color.black);
Dimension ss = vb.getPreferredSize();
// Paint scroll bar tracks at the right to fill the viewport
if (bs.width < vs.width) {
int fixedCellWidth = browser.getFixedCellWidth();
// FIXME - Apparently we have to do layout manually, because
// invoking cellRendererPane.paneComponent with
// "shouldValidate" set to true does not appear to have
// the desired effect.
try {
vb.setSize(ss.width, vs.height);
vb.doLayout();
} catch (NullPointerException e) {
// We get NPE here in JDK 1.3. We ignore it.
}
for (int x = browser.getWidth() + fixedCellWidth;
x < vs.width;
x += fixedCellWidth + ss.width) {
getCellRendererPane().paintComponent(g, vb, c, x, 0, ss.width, vs.height, false);
}
}
}
}
private int getHeightOffset(FilePanel fp) {
JScrollPane scrollPane;
JViewport viewport;
int offset;
int unitIncrement;
scrollPane = fp.getScrollPane();
viewport = scrollPane.getViewport();
offset = viewport.getSize().height / 2;
unitIncrement = scrollPane.getHorizontalScrollBar().getUnitIncrement();
offset = offset - (offset % unitIncrement);
return offset;
}