com.morevaadin.eventbus.ui.SecondComponent.java Source code

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Here is the source code for com.morevaadin.eventbus.ui.SecondComponent.java

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/*
 * Copyright 2012 Nicolas Frankel
 *
 * 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 com.morevaadin.eventbus.ui;

import java.util.Arrays;

import com.google.common.eventbus.Subscribe;
import com.morevaadin.eventbus.data.Capital;
import com.morevaadin.eventbus.data.Country;
import com.morevaadin.eventbus.ui.event.CountryChangedEvent;
import com.vaadin.data.util.BeanItemContainer;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.CustomComponent;

@SuppressWarnings("serial")
public class SecondComponent extends CustomComponent {

    private ComboBox cb = new ComboBox("Locale");

    public SecondComponent() {

        BeanItemContainer<Capital> container = new BeanItemContainer<Capital>(Capital.class);

        for (Capital capital : Capital.values()) {

            container.addBean(capital);
        }

        cb.setContainerDataSource(container);
        cb.setItemCaptionPropertyId("label");

        setCompositionRoot(cb);
    }

    @Subscribe
    public void changeLocaleOnCountryChange(CountryChangedEvent event) {

        Country country = event.getCountry();

        int index = Arrays.asList(Country.values()).indexOf(country);

        if (index > -1) {

            cb.select(Capital.values()[index]);

        } else {

            cb.select(null);
        }
    }
}