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**Isomorphic** · 28 Sep 2011, 09:21

Use draw(), not RootPanel.add(). See QuickStart Guide.

**Fantast** · 29 Sep 2011, 00:32

Guide states that "Smart GWT does have limited interoperability support that allows a Smart GWT widget to be added to a GWT container and allows a GWT widget to be added to a Smart GWT container".

I assumed that at least basic usage of adding top SGWT container to root pane should work. Or it isn't guaranteed?

**Isomorphic** · 29 Sep 2011, 09:31

It's unclear whether that's the problem here, you should try removing it. We're suggesting it partly because it's pointless in your example to be calling RootPanel.add().

**Fantast** · 30 Sep 2011, 06:39

As I said this example is just simplification. The core problem is that gwt-platform using code like that to switch Root Views, so I can't really change it. Neither can't gwtp developers as library is gwt, so there can't be any specific implementation for such a basic thing.

**Isomorphic** · 30 Sep 2011, 10:18

Again, you should try removing it, and let us know if that fixes the issue. Be sure also to test in a standalone environment based on SDK materials only, with none of your other code. The first thing we're trying to do is understand the issue.

**Fantast** · 5 Oct 2011, 00:51

The thing is that code can't be removed from gwt-platform, because it's working with other libraries, not only SmartGWT.

**Fantast** · 2 Nov 2011, 00:28

Just wanted to post an update on this, in case someone will face the same problem. So, basically I have overridden RootPresenter.RootView and rebinded RootPresenter to this view. Here is the code:

Code:

 
public class SmartGwtRootView extends RootPresenter.RootView {

    public HLayout rootWidget;
    public Canvas currentContent;

    public SmartGwtRootView() {
        rootWidget = new HLayout();
        rootWidget.setWidth100();
        rootWidget.setHeight100();

        rootWidget.draw();
    }

    @Override
    public void setInSlot(Object slot, Widget content) {
        if (currentContent != null) {
            rootWidget.removeChild(currentContent);
        }

        if (content != null) {
            if (content instanceof Canvas) {
                currentContent = (Canvas) content;
            } else {
                currentContent = new WidgetCanvas(content);
            }
            rootWidget.addChild(content);
        } else {
            currentContent = null;
        }
    }
}

Code:

public class ClientModule extends AbstractPresenterModule {

    @Override
    protected void configure() {
        install(new DefaultModule(PaasPlaceManager.class));

        bind(SmartGwtRootView.class).in(Singleton.class);
        bind(RootPresenter.RootView.class).to(SmartGwtRootView.class);
        
        //...

    }
}

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