I do not use UiBinder, but I have come across this problem as well, and
have found a solution that works for me.
The problem is that HeaderPanel only sets the size of the contentContainer,
it does nothing with the contentContainer’s child widget
(HeaderPanel#getContentWidget()). Aiden’s suggestion of using
ResizeLayoutPanel as the content widget will not work for the same reason
(I tried :P). So, my fix is to always wrap the content widget in a
SimpleLayoutPanel that fills the contentContainer:
public class HeaderLayoutPanel extends HeaderPanel implements
ProvidesResize{
@Override
public void setContentWidget(Widget w){
SimpleLayoutPanel panel = new SimpleLayoutPanel();
panel.setSize("100%", "100%");
panel.setWidget(w);
super.setContentWidget(panel);
}
}
setSize("100%", "100%") works because the contentContainer’s dimensions are
always set in px. Also, remember that this needs to be added to a
LayoutPanel for it to fill all available space.
I called this class ‘HeaderLayoutPanel’ and had it implement the
ProvidesResize marker interface because I feel that the SimpleLayoutPanel
wrapper makes this a ‘true’ LayoutPanel, since it does fulfill the
onResize() contract for the content widget.
Hope that helps!
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