com.userweave.module.methoden.questionnaire.page.grouping.multiplepossibleanswers.MultiplePossibleAnswersGroupingPanel.java Source code

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Here is the source code for com.userweave.module.methoden.questionnaire.page.grouping.multiplepossibleanswers.MultiplePossibleAnswersGroupingPanel.java

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/*******************************************************************************
 * This file is part of UserWeave.
 *
 *     UserWeave is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Affero General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     UserWeave is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Affero General Public License for more details.
 *
 *     You should have received a copy of the GNU Affero General Public License
 *     along with UserWeave.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2012 User Prompt GmbH | Psychologic IT Expertise
 *******************************************************************************/
package com.userweave.module.methoden.questionnaire.page.grouping.multiplepossibleanswers;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Check;
import org.apache.wicket.markup.html.form.CheckGroup;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import com.userweave.components.model.LocalizedModel;
import com.userweave.domain.LocalizedString;
import com.userweave.module.methoden.questionnaire.dao.QuestionDao;
import com.userweave.module.methoden.questionnaire.domain.QuestionWithMultiplePossibleAnswers;
import com.userweave.module.methoden.questionnaire.domain.group.MultiplePossibleAnswersGroup;
import com.userweave.module.methoden.questionnaire.page.grouping.GroupAddedCallback;
import com.userweave.pages.grouping.GroupingPanelWithName;

/**
 * @author oma
 */
@SuppressWarnings("serial")
public abstract class MultiplePossibleAnswersGroupingPanel<T extends MultiplePossibleAnswersGroup>
        extends GroupingPanelWithName<T> {

    @SpringBean
    private QuestionDao questionDao;

    private final List<LocalizedString> answers = new ArrayList<LocalizedString>();

    private final Integer questionId;

    public MultiplePossibleAnswersGroupingPanel(String id, QuestionWithMultiplePossibleAnswers question, T group,
            final Locale locale, GroupAddedCallback groupAddedCallback) {
        super(id, group, locale, groupAddedCallback);

        questionId = question.getId();

        CheckGroup answers = new CheckGroup("answers",
                new PropertyModel(MultiplePossibleAnswersGroupingPanel.this, "answers"));

        if (isOnChangeAjaxBehaviorNeeded()) {
            answers.add(new AjaxFormChoiceComponentUpdatingBehavior() {
                @Override
                protected void onUpdate(AjaxRequestTarget target) {
                    MultiplePossibleAnswersGroupingPanel.this.onUpdate(target);
                }
            });
        }

        add(answers);

        IModel possibleAnswersModel = new LoadableDetachableModel() {

            @Override
            protected Object load() {
                QuestionWithMultiplePossibleAnswers question = (QuestionWithMultiplePossibleAnswers) questionDao
                        .findById(questionId);
                return question.getPossibleAnswers();
            }

        };

        answers.add(new ListView("values", possibleAnswersModel) {
            @Override
            protected void populateItem(ListItem item) {
                item.add(new Check("check", item.getModel()));
                item.add(new Label("content", new LocalizedModel((Serializable) item.getModelObject(), locale)));
            };
        });
    }

    public Integer getQuestionId() {
        return questionId;
    }

    @Override
    public void submit() {
        submit(getGroup(), answers);
    }

    /**
     * Attach an ajax behavior to the chech group.
     * @return
     */
    protected boolean isOnChangeAjaxBehaviorNeeded() {
        return false;
    }

    /**
     * Override this method, if an ajax behavior is attached.
     * @param target
     */
    protected void onUpdate(AjaxRequestTarget target) {
        // do nothing
    }

    protected List<LocalizedString> getAnswers() {
        return answers;
    }

    protected abstract void submit(T group, List<LocalizedString> answers);

}