HorizontalLayoutContainer in ContentPanel does not work, height 0px (with example)

[creakie]

Hello all together,

I've got a HorizontalLayoutContainer inside a ContentPanel. But the HorizontalLayoutContainer will have an height of 0px and not the height it should have.

Here is a little example that contains 2 ContentPanels: One with the HorizontalLayoutContainer and one with a VerticalLayoutContainer. The VerticalLC works.

Version(s) of Ext GWT
Ext GWT 3.0.1

Brower versions and OS (and desktop environment, if applicable)
IE8, Chrome21, Win7

Run mode
Both

Test case

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Widget;
import com.sencha.gxt.core.client.util.Margins;
import com.sencha.gxt.widget.core.client.ContentPanel;
import com.sencha.gxt.widget.core.client.container.HorizontalLayoutContainer;
import com.sencha.gxt.widget.core.client.container.HorizontalLayoutContainer.HorizontalLayoutData;
import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;


public class Bugtest implements IsWidget, EntryPoint {
    public Widget asWidget() {
        HorizontalLayoutContainer baseContainer = new HorizontalLayoutContainer();


        ContentPanel container1 = new ContentPanel();
        container1.setHeadingText("Testcase HorizontalLC");
        baseContainer.add(container1, new HorizontalLayoutData(300, -1));


        HorizontalLayoutContainer horizontalContainer = new HorizontalLayoutContainer();
        container1.add(horizontalContainer);


        horizontalContainer.add(new Label("Some content..."));


        ContentPanel container2 = new ContentPanel();
        container2.setHeadingText("Testcase VerticalLC");
        baseContainer.add(container2, new HorizontalLayoutData(300, -1,
                new Margins(0, 0, 0, 5)));


        VerticalLayoutContainer verticalContainer = new VerticalLayoutContainer();
        container2.add(verticalContainer);


        verticalContainer.add(new Label("Some content..."));


        return baseContainer;
    }


    @Override
    public void onModuleLoad() {
        RootPanel.get().add(asWidget());
    }
} 

Screenshot
Web Application Starter Project - Google Chrome_2012-08-15_11-08-45.png

If the ContentPanel has a fixed height I would see the content of the HorizontalLayoutContainer. But I want a dynamical height :/

So I think this is a bug. Or is there something I'm doing wrong?

Thanks!