org.qi4j.library.vaadin.MyVaadinApplication.java Source code

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Here is the source code for org.qi4j.library.vaadin.MyVaadinApplication.java

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/*
 * Copyright (c) 2010, Paul Merlin. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.qi4j.library.vaadin;

import com.vaadin.Application;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Panel;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

import org.qi4j.api.injection.scope.Service;

/**
 * @author Paul Merlin
 */
public class MyVaadinApplication extends Application {

    private static final long serialVersionUID = 1L;

    private Window window;

    @Service
    private GreetService greeter;

    @Override
    public void init() {
        final TextField field = new TextField();
        field.setInputPrompt("Type your name here");
        Button button = new Button("Greetings mortals..");
        button.addListener(new Button.ClickListener() {

            public void buttonClick(ClickEvent event) {
                String name = "" + field.getValue();
                if (name.length() <= 0) {
                    window.showNotification("You must type your name in the field",
                            Window.Notification.TYPE_ERROR_MESSAGE);
                } else {
                    window.showNotification(greeter.greet("" + field.getValue()));
                }
            }

        });

        HorizontalLayout horizLayout = new HorizontalLayout();
        horizLayout.setMargin(true);
        horizLayout.addComponent(field);
        horizLayout.addComponent(button);

        Panel panel = new Panel("Vaadin seems nice : )");
        panel.addComponent(horizLayout);

        VerticalLayout vertLayout = new VerticalLayout();
        vertLayout.setMargin(true);
        vertLayout.addComponent(panel);

        window = new Window("test app");
        window.setSizeFull();
        window.setContent(vertLayout);
        setMainWindow(window);
    }

}