WidgetContainerConnector.java

package com.vaadin.tests.widgetset.client.minitutorials.v7a2;

import java.util.List;

import com.vaadin.client.ComponentConnector;
import com.vaadin.client.ConnectorHierarchyChangeEvent;
import com.vaadin.client.ui.AbstractComponentContainerConnector;
import com.vaadin.shared.ui.Connect;
import com.vaadin.tests.minitutorials.v7a2.WidgetContainer;

@Connect(WidgetContainer.class)
public class WidgetContainerConnector
        extends AbstractComponentContainerConnector {

    @Override
    public void onConnectorHierarchyChange(
            ConnectorHierarchyChangeEvent event) {
        List<ComponentConnector> children = getChildComponents();
        VWidgetContainer widget = getWidget();
        widget.clear();
        for (ComponentConnector connector : children) {
            widget.add(connector.getWidget());
        }
    }

    @Override
    public VWidgetContainer getWidget() {
        return (VWidgetContainer) super.getWidget();
    }

    @Override
    public void updateCaption(ComponentConnector connector) {
    }
}