org.obiba.onyx.quartz.editor.PreviewPanel.java Source code

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Here is the source code for org.obiba.onyx.quartz.editor.PreviewPanel.java

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/*******************************************************************************
 * Copyright 2008(c) The OBiBa Consortium. All rights reserved.
 * 
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.obiba.onyx.quartz.editor;

import java.util.Locale;

import org.apache.wicket.Session;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.IChoiceRenderer;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.obiba.onyx.quartz.core.engine.questionnaire.IQuestionnaireElement;
import org.obiba.onyx.quartz.core.engine.questionnaire.bundle.QuestionnaireBundle;
import org.obiba.onyx.quartz.core.engine.questionnaire.bundle.QuestionnaireBundleManager;
import org.obiba.onyx.quartz.core.engine.questionnaire.question.Questionnaire;
import org.obiba.onyx.quartz.core.service.ActiveQuestionnaireAdministrationService;

public abstract class PreviewPanel<T extends IQuestionnaireElement> extends Panel {

    private static final long serialVersionUID = 1L;

    @SpringBean
    protected ActiveQuestionnaireAdministrationService activeQuestionnaireAdministrationService;

    @SpringBean
    protected QuestionnaireBundleManager bundleManager;

    protected Panel previewLayout;

    private WebMarkupContainer previewLanguageContainer;

    public PreviewPanel(String id, final IModel<T> model, IModel<Questionnaire> questionnaireModel) {
        super(id, model);
        Questionnaire questionnaire = questionnaireModel.getObject();

        QuestionnaireBundle bundle = bundleManager.getBundle(questionnaire.getName());
        bundle.clearMessageSourceCache();
        questionnaire.setQuestionnaireCache(null);

        previewLanguageContainer = new WebMarkupContainer("previewLanguageContainer");
        previewLanguageContainer.setVisible(questionnaire.getLocales().size() > 1);

        final Locale userLocale = Session.get().getLocale();
        IChoiceRenderer<Locale> renderer = new IChoiceRenderer<Locale>() {

            private static final long serialVersionUID = 1L;

            @Override
            public String getIdValue(Locale locale, int index) {
                return locale.toString();
            }

            @Override
            public Object getDisplayValue(Locale locale) {
                return locale.getDisplayLanguage(userLocale);
            }
        };

        final DropDownChoice<Locale> languageChoice = new DropDownChoice<Locale>("languageChoice",
                new Model<Locale>(userLocale), questionnaire.getLocales(), renderer);
        languageChoice.setNullValid(false);
        languageChoice.add(new OnChangeAjaxBehavior() {

            private static final long serialVersionUID = 1L;

            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                activeQuestionnaireAdministrationService.setDefaultLanguage(languageChoice.getModelObject());
                previewLayout = createPreviewLayout(model);
                PreviewPanel.this.addOrReplace(previewLayout);
                target.addComponent(previewLayout);
            }
        });
        previewLanguageContainer.add(languageChoice);
        add(previewLanguageContainer);

        activeQuestionnaireAdministrationService.setQuestionnaire(questionnaire);
        activeQuestionnaireAdministrationService.setDefaultLanguage(languageChoice.getModelObject());
        activeQuestionnaireAdministrationService.setQuestionnaireDevelopmentMode(true);
    }

    public abstract Panel createPreviewLayout(IModel<?> model);
}