ManageLanguagePluginPanel.java

/**
 * Copyright 2011 the original author or 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.bricket.plugin.language.web;

import java.util.List;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.model.StringResourceModel;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.bricket.plugin.language.domain.Language;
import org.bricket.plugin.language.service.LanguageService;
import org.bricket.plugin.language.domain.LanguagePlugin;
import org.bricket.plugin.language.service.LanguagePluginService;
import org.bricket.service.BricketServiceException;
import org.bricket.web.BricketPanel;

import brix.jcr.wrapper.BrixNode;

/**
 * @author Ingo Renner
 * @author Henning Teek
 */
public class ManageLanguagePluginPanel extends BricketPanel {
    @SpringBean
    private LanguageService languageService;

    @SpringBean
    private LanguagePluginService languagePluginService;

    private LanguagePlugin languagePlugin;

    public ManageLanguagePluginPanel(String id, IModel<BrixNode> tileNode) {
        super(id, tileNode);
    }

    @Override
    protected void initGui() {
        languagePlugin = languagePluginService.loadLanguagePlugin();
        add(getDropDownChoice());
    }

    private Component getDropDownChoice() {
        return new DropDownChoice<Language>("languages",
                new PropertyModel<Language>(languagePlugin, "defaultLanguage"),
                new LoadableDetachableModel<List<Language>>() {
                    @Override
                    protected List<Language> load() {
                        return languageService.loadAllLanguage();
                    }
                }, new ChoiceRenderer<Language>("name", "id")).add(new AjaxFormComponentUpdatingBehavior("onchange") {
            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                try {
                    // feedback
                    getSession().cleanupFeedbackMessages();
                    target.addComponent(getFeedback());

                    languagePlugin = languagePluginService.saveLanguagePlugin(languagePlugin);

                    Component ddc = getDropDownChoice();
                    ManageLanguagePluginPanel.this.addOrReplace(ddc);
                    target.addComponent(ddc);
                } catch (BricketServiceException e) {
                    error(new StringResourceModel(e.getKey(), ManageLanguagePluginPanel.this, null).getString());
                    target.addComponent(getFeedback());
                }
            }
        });
    }
}