public void internalFrameClosed(InternalFrameEvent e) {
Component cont = getParent();
while ((cont != null) && (!(cont instanceof JInternalFrame))) {
cont = cont.getParent();
}
if (cont != null) {
if (!((JInternalFrame) cont).isClosed()) {
refreshMe();
}
}
}
// Overridden for performance reasons. ---->
@Override
public boolean isOpaque() {
Color back = getBackground();
Component p = getParent();
if (Objects.nonNull(p)) {
p = p.getParent();
} // p should now be the JTable.
boolean colorMatch =
Objects.nonNull(back)
&& Objects.nonNull(p)
&& back.equals(p.getBackground())
&& p.isOpaque();
return !colorMatch && super.isOpaque();
}