/**
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at the
* <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Initial code contributed and copyrighted by<br>
* frentix GmbH, http://www.frentix.com
* <p>
*/
package org.olat.ims.qti21.ui.statistics.interactions;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.chart.BarSeries;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.controller.BasicController;
import org.olat.core.util.Util;
import org.olat.ims.qti.statistics.QTIType;
import org.olat.ims.qti.statistics.model.StatisticsItem;
import org.olat.ims.qti.statistics.ui.ResponseInfos;
import org.olat.ims.qti.statistics.ui.Series;
import org.olat.ims.qti21.QTI21StatisticsManager;
import org.olat.ims.qti21.manager.CorrectResponsesUtil;
import org.olat.ims.qti21.model.statistics.ChoiceStatistics;
import org.olat.ims.qti21.ui.statistics.QTI21AssessmentItemStatisticsController;
import org.olat.ims.qti21.ui.statistics.QTI21StatisticResourceResult;
import org.olat.ims.qti21.ui.statistics.SeriesFactory;
import org.springframework.beans.factory.annotation.Autowired;
import uk.ac.ed.ph.jqtiplus.node.item.AssessmentItem;
import uk.ac.ed.ph.jqtiplus.node.item.CorrectResponse;
import uk.ac.ed.ph.jqtiplus.node.item.interaction.Interaction;
import uk.ac.ed.ph.jqtiplus.node.item.interaction.choice.Choice;
import uk.ac.ed.ph.jqtiplus.node.item.response.declaration.ResponseDeclaration;
import uk.ac.ed.ph.jqtiplus.node.test.AssessmentItemRef;
import uk.ac.ed.ph.jqtiplus.types.Identifier;
import uk.ac.ed.ph.jqtiplus.value.Cardinality;
/**
*
* Initial date: 04.02.2016<br>
* @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
*
*/
public abstract class ChoiceInteractionStatisticsController extends BasicController {
protected final Interaction interaction;
protected final AssessmentItemRef itemRef;
protected final AssessmentItem assessmentItem;
protected final QTI21StatisticResourceResult resourceResult;
@Autowired
protected QTI21StatisticsManager qtiStatisticsManager;
public ChoiceInteractionStatisticsController(UserRequest ureq, WindowControl wControl,
AssessmentItemRef itemRef, AssessmentItem assessmentItem, Interaction interaction,
StatisticsItem itemStats, QTI21StatisticResourceResult resourceResult) {
super(ureq, wControl, Util.createPackageTranslator(QTI21AssessmentItemStatisticsController.class, ureq.getLocale()));
this.interaction = interaction;
this.itemRef = itemRef;
this.assessmentItem = assessmentItem;
this.resourceResult = resourceResult;
VelocityContainer mainVC = createVelocityContainer("statistics_interaction");
Series series;
if(isMultipleChoice()) {
series = getMultipleChoice(itemStats);
} else {
series = getSingleChoice();
}
VelocityContainer vc = createVelocityContainer("hbar_item");
vc.contextPut("series", series);
mainVC.put("questionChart", vc);
mainVC.contextPut("series", series);
putInitialPanel(mainVC);
}
@Override
protected void doDispose() {
//
}
@Override
protected void event(UserRequest ureq, Component source, Event event) {
}
private boolean isMultipleChoice() {
ResponseDeclaration responseDeclaration = assessmentItem.getResponseDeclaration(interaction.getResponseIdentifier());
if(responseDeclaration != null && responseDeclaration.getCorrectResponse() != null) {
CorrectResponse correctResponse = responseDeclaration.getCorrectResponse();
if(correctResponse.getCardinality().isOneOf(Cardinality.MULTIPLE)) {
return true;
}
}
return false;
}
private Series getSingleChoice() {
List<ChoiceStatistics> statisticResponses = getChoiceInteractionStatistics();
boolean survey = QTIType.survey.equals(resourceResult.getType());
int numOfParticipants = resourceResult.getQTIStatisticAssessment().getNumOfParticipants();
List<Identifier> correctAnswers = CorrectResponsesUtil.getCorrectIdentifierResponses(assessmentItem, interaction);
int i = 0;
long numOfResults = 0;
BarSeries d1 = new BarSeries();
List<ResponseInfos> responseInfos = new ArrayList<>();
for (ChoiceStatistics statisticResponse:statisticResponses) {
Choice choice = statisticResponse.getChoice();
String text = getAnswerText(choice);
double ans_count = statisticResponse.getCount();
numOfResults += statisticResponse.getCount();
boolean correct = correctAnswers.contains(choice.getIdentifier());
Float points;
String cssColor;
if(survey) {
points = null;
cssColor = "bar_default";
} else {
points = correct ? 1.0f : 0.0f; //response.getPoints();
cssColor = correct ? "bar_green" : "bar_red";
}
String label = Integer.toString(++i);
d1.add(ans_count, label, cssColor);
responseInfos.add(new ResponseInfos(label, text, points, correct, survey, false));
}
if(numOfResults != numOfParticipants) {
long notAnswered = numOfParticipants - numOfResults;
if(notAnswered > 0) {
String label = Integer.toString(++i);
String text = translate("user.not.answer");
responseInfos.add(new ResponseInfos(label, text, null, false, survey, false));
d1.add(notAnswered, label, "bar_grey");
}
}
List<BarSeries> serieList = Collections.singletonList(d1);
Series series = new Series(serieList, responseInfos, numOfParticipants, false);
series.setChartType(SeriesFactory.BAR_CORRECT);
series.setItemCss("o_qti_scitem");
return series;
}
private Series getMultipleChoice(StatisticsItem itemStats) {
List<ChoiceStatistics> statisticResponses = getChoiceInteractionStatistics();
BarSeries d1 = new BarSeries("bar_green", "green", translate("answer.correct"));
BarSeries d2 = new BarSeries("bar_red", "red", translate("answer.false"));
BarSeries d3 = new BarSeries("bar_grey", "grey", translate("answer.noanswer"));
boolean survey = QTIType.survey.equals(resourceResult.getType());
int numOfParticipants = resourceResult.getQTIStatisticAssessment().getNumOfParticipants();
int notAnswered = numOfParticipants - (itemStats == null ? 0 : itemStats.getNumOfResults());
List<Identifier> correctAnswers = CorrectResponsesUtil.getCorrectIdentifierResponses(assessmentItem, interaction);
int i = 0;
List<ResponseInfos> responseInfos = new ArrayList<>();
for(ChoiceStatistics statisticResponse:statisticResponses) {
Choice choice = statisticResponse.getChoice();
String text = getAnswerText(choice);
boolean correct = correctAnswers.contains(choice.getIdentifier());
double answersPerAnswerOption = statisticResponse.getCount();
double rightA;
double wrongA;
if (survey) {
rightA = answersPerAnswerOption;
wrongA = 0d;
} else if (correct) {
rightA = answersPerAnswerOption;
wrongA = numOfParticipants - notAnswered - answersPerAnswerOption;
} else {
//minus negative points are not answered right?
rightA = numOfParticipants - notAnswered - answersPerAnswerOption ;
wrongA = answersPerAnswerOption;
}
String label = Integer.toString(++i);
d1.add(rightA, label);
d2.add(wrongA, label);
d3.add(notAnswered, label);
Float pointsObj = survey ? null : (correct ? 1.0f : 0.0f);
responseInfos.add(new ResponseInfos(label, text, pointsObj, correct, survey, false));
}
List<BarSeries> serieList = new ArrayList<>(3);
serieList.add(d1);
if(!survey) {
serieList.add(d2);
serieList.add(d3);
}
Series series = new Series(serieList, responseInfos, numOfParticipants, !survey);
series.setChartType(survey ? SeriesFactory.BAR_ANSWERED : SeriesFactory.BAR_CORRECT_WRONG_NOT);
series.setItemCss("o_qti_scitem");
return series;
}
protected abstract List<ChoiceStatistics> getChoiceInteractionStatistics();
protected abstract String getAnswerText(Choice choice);
}