org.vaadin.webinars.springandvaadin.i18n.ui.I18nUI.java Source code

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Here is the source code for org.vaadin.webinars.springandvaadin.i18n.ui.I18nUI.java

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/*
 * Copyright 2014 The original authors
 *
 * 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.vaadin.webinars.springandvaadin.i18n.ui;

import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Scope;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.stereotype.*;

import java.util.Locale;

/**
 * @author petter@vaadin.com
 */
@org.springframework.stereotype.Component
@Scope("prototype")
public class I18nUI extends UI {

    @Autowired
    MessageSource messageSource;

    @Override
    protected void init(VaadinRequest request) {
        setLocale(request.getLocale());

        getPage().setTitle(messageSource.getMessage("page.title", null, getLocale()));

        VerticalLayout layout = new VerticalLayout();
        layout.setMargin(true);
        layout.setSpacing(true);
        setContent(layout);

        final TextField textField = new TextField(messageSource.getMessage("textField.caption", null, getLocale()));
        layout.addComponent(textField);

        final Button button = new Button(messageSource.getMessage("button.caption", null, getLocale()));
        button.addClickListener(new Button.ClickListener() {
            @Override
            public void buttonClick(Button.ClickEvent event) {
                Notification.show(messageSource.getMessage("greeting.caption",
                        new Object[] { textField.getValue() }, getLocale()));
            }
        });
        layout.addComponent(button);

        final Button swe = new Button("P svenska", new Button.ClickListener() {
            @Override
            public void buttonClick(Button.ClickEvent event) {
                LocaleContextHolder.setLocale(new Locale("sv"));
                getPage().reload();
            }
        });
        layout.addComponent(swe);

        final Button eng = new Button("In English", new Button.ClickListener() {
            @Override
            public void buttonClick(Button.ClickEvent event) {
                LocaleContextHolder.setLocale(new Locale("en"));
                getPage().reload();
            }
        });
        layout.addComponent(eng);

    }
}