MyComponent.java

package org.semanticsoft.vaadinaddons.boundsinfo;

import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentClientRpc;
import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentServerRpc;
import com.vaadin.shared.MouseEventDetails;
import org.semanticsoft.vaadinaddons.boundsinfo.client.mycomponent.MyComponentState;

public class MyComponent extends com.vaadin.ui.AbstractComponent {

    private MyComponentServerRpc rpc = new MyComponentServerRpc() {
        private int clickCount = 0;
        
        public void clicked(MouseEventDetails mouseDetails) {
            // nag every 5:th click using RPC
            if (++clickCount % 5 == 0) {
                getRpcProxy(MyComponentClientRpc.class).alert(
                        "Ok, that's enough!");
            }
            // update shared state
            getState().text = "You have clicked " + clickCount + " times";
        }
    };  

    public MyComponent() {
        registerRpc(rpc);
    }

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