/*
* Copyright 2011 CAST, Inc.
*
* This file is part of the UDL Curriculum Toolkit:
* see <http://code.google.com/p/udl-curriculum-toolkit>.
*
* The UDL Curriculum Toolkit is free software: you can redistribute 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.
*
* The UDL Curriculum Toolkit 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 this software. If not, see <http://www.gnu.org/licenses/>.
*/
package org.cast.isi;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.apache.wicket.Component;
import org.apache.wicket.injection.web.InjectorHolder;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.model.IModel;
import org.cast.cwm.CwmSession;
import org.cast.cwm.data.Prompt;
import org.cast.cwm.data.Response;
import org.cast.cwm.xml.XmlSectionModel;
import org.cast.cwm.xml.service.IXmlService;
import org.cast.isi.ISIXmlComponent.AttributeRemover;
import org.cast.isi.data.ContentLoc;
import org.cast.isi.data.PromptType;
import org.cast.isi.panel.CorrectDelayedSingleSelectSummaryPanel;
import org.cast.isi.panel.CorrectImmediateSingleSelectSummaryPanel;
import org.cast.isi.panel.IncorrectSingleSelectSummaryPanel;
import org.cast.isi.panel.NoAnswerSingleSelectSummaryPanel;
import org.cast.isi.service.IISIResponseService;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import com.google.inject.Inject;
public class SingleSelectSummaryXmlComponentHandler {
@Inject
IISIResponseService responseService;
@Inject
protected IXmlService xmlService;
public SingleSelectSummaryXmlComponentHandler() {
InjectorHolder.getInjector().inject(this);
}
public Component makeComponent(final String wicketId, final Element elt, XmlSectionModel model, boolean noAnswer) {
WebMarkupContainer container = new WebMarkupContainer(wicketId);
container.add(new AttributeRemover("type", "rgid"));
boolean delayed = isDelayFeedback(model);
String responseGroupId = elt.getAttribute("rgid");
String collectionName = elt.getAttribute("group");
List<Response> responses = getResponses(findPrompt(model, responseGroupId, collectionName));
NodeList wicketNodes = xmlService.getWicketNodes((Element) elt, false);
for (int i = 0; i < wicketNodes.getLength(); i++) {
Element itemElt = (Element) wicketNodes.item(i);
String responseId = responseGroupId + "_" + getXmlId(itemElt);
List<Response> matchingResponses = getResponsesForChoice(responses, responseId);
container.add(makeChoiceComponent(getWicketId(itemElt), isCorrect(itemElt), delayed, noAnswer, matchingResponses));
}
return container;
}
private Component makeChoiceComponent(String itemWicketId, boolean correct,
boolean delayed, boolean noAnswer, List<Response> matchingResponses) {
if (correct && delayed) {
return new CorrectDelayedSingleSelectSummaryPanel(itemWicketId, matchingResponses);
}
else if (correct && !delayed) {
return new CorrectImmediateSingleSelectSummaryPanel(itemWicketId, mapScores(matchingResponses));
}
else if (noAnswer) {
return new NoAnswerSingleSelectSummaryPanel(itemWicketId, matchingResponses);
}
else {
return new IncorrectSingleSelectSummaryPanel(itemWicketId, matchingResponses);
}
}
private List<Response> getResponsesForChoice(List<Response> responses,
String responseId) {
List<Response> matchingResponses = new ArrayList<Response>();
for (Response response: responses) {
if (responseId.equals(response.getResponseData().getText()))
matchingResponses.add(response);
}
return matchingResponses;
}
private String getXmlId(Element itemElt) {
return itemElt.getAttribute("xmlId");
}
private boolean isCorrect(Element itemElt) {
return Boolean.valueOf(itemElt.getAttribute("correct"));
}
private String getWicketId(Element itemElt) {
return itemElt.getAttributeNS(xmlService.getNamespaceContext().getNamespaceURI("wicket"), "id");
}
private List<Response> getResponses(IModel<Prompt> mPrompt) {
return responseService.getResponsesForPeriod(mPrompt, CwmSession.get().getCurrentPeriodModel()).getObject();
}
private IModel<Prompt> findPrompt(XmlSectionModel model, String responseGroupId, String collectionName) {
return responseService.getOrCreatePrompt(PromptType.SINGLE_SELECT, new ContentLoc(model.getObject()), responseGroupId, collectionName);
}
private boolean isDelayFeedback(XmlSectionModel model) {
ISIXmlSection section = (ISIXmlSection) model.getObject();
return (section != null) && section.isDelayFeedback();
}
private Map<Integer, List<Response>> mapScores(List<Response> responses) {
Map<Integer, List<Response>> sorted = new HashMap<Integer, List<Response>>();
for (Response response: responses) {
Integer tries = response.getScore()==0 ? 0 : response.getTries();
if (sorted.get(tries) == null)
sorted.put(tries, new LinkedList<Response>());
sorted.get(tries).add(response);
}
return sorted;
}
}