thx a lot for this little gem, Per, this made my day!
Apparently simple things seem so complicated in GWT at times, awful...
Uwe
Am Freitag, 17. Dezember 2010 19:32:51 UTC+1 schrieb Per Gustås:
>
> Hi Aldo,
>
> another approach is not to use a SimplePanel at all. But rather to
> implement something like a SimpleLayoutPanel yourself.
> It will work fine with xxxLayout components embedded within it. (I
> really think it is something Google missed to include in GWT 2.1.)
>
> Please see below for one implementation that has worked fine for me.
>
> regards
> Per
>
> -------------
> package se.perper.util;
>
> import com.google.gwt.user.client.ui.HasOneWidget;
> import com.google.gwt.user.client.ui.IsWidget;
> import com.google.gwt.user.client.ui.LayoutPanel;
> import com.google.gwt.user.client.ui.Widget;
>
> public class SimpleLayoutPanel extends LayoutPanel implements
> HasOneWidget {
>
> Widget widget;
>
> @Override
> public void setWidget(IsWidget w) {
> setWidget(asWidgetOrNull(w));
> }
>
> @Override
> public Widget getWidget() {
> return widget.asWidget();
> }
>
> @Override
> public void setWidget(Widget w) {
> // Validate
> if (w == widget) {
> return;
> }
>
> // Detach new child.
> if (w != null) {
> w.removeFromParent();
> }
>
> // Remove old child.
> if (widget != null) {
> remove(widget);
> }
>
> // Logical attach.
> widget = w;
>
> if (w != null) {
> add(w);
> }
> }
> };
>
>
>
--
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To view this discussion on the web visit
https://groups.google.com/d/msg/google-web-toolkit/-/FF7otNPtu1UJ.
To post to this group, send email to google-web-toolkit@googlegroups.com.
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
