MyComponentConnector.java

package org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent;

import com.google.gwt.core.client.GWT;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Widget;

import com.vaadin.client.ui.AbstractComponentConnector;
import com.vaadin.shared.ui.Connect;

import org.semanticsoft.vaadinaddons.boundsinfo.MyComponent;
import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentWidget;
import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentServerRpc;
import com.vaadin.client.communication.RpcProxy;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.vaadin.shared.MouseEventDetails;
import com.vaadin.client.MouseEventDetailsBuilder;
import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentClientRpc;
import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentState;
import com.vaadin.client.communication.StateChangeEvent;

@Connect(MyComponent.class)
public class MyComponentConnector extends AbstractComponentConnector {

    MyComponentServerRpc rpc = RpcProxy
            .create(MyComponentServerRpc.class, this);
	
    public MyComponentConnector() {    
        registerRpc(MyComponentClientRpc.class, new MyComponentClientRpc() {
            public void alert(String message) {
            	// TODO Do something useful
                Window.alert(message);
            }
        });

		// TODO ServerRpc usage example, do something useful instead
        getWidget().addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                final MouseEventDetails mouseDetails = MouseEventDetailsBuilder
                        .buildMouseEventDetails(event.getNativeEvent(),
                                getWidget().getElement());
                rpc.clicked(mouseDetails);
            }
        });

    }

    @Override
    protected Widget createWidget() {
        return GWT.create(MyComponentWidget.class);
    }

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

    @Override
    public MyComponentState getState() {
        return (MyComponentState) super.getState();
    }

    @Override
    public void onStateChanged(StateChangeEvent stateChangeEvent) {
        super.onStateChanged(stateChangeEvent);
		
		// TODO do something useful
        final String text = getState().text;
        getWidget().setText(text);
    }

}