/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <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>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.ims.qti.navigator;
import java.io.Serializable;
import org.olat.ims.qti.QTIConstants;
import org.olat.ims.qti.container.AssessmentContext;
import org.olat.ims.qti.container.ItemContext;
import org.olat.ims.qti.container.ItemsInput;
import org.olat.ims.qti.container.SectionContext;
import org.olat.ims.qti.process.AssessmentInstance;
/**
* Navigator used for the case: <br>
* 1. Navigation (via Menu) visible and enabled, one section per page <br>
*
* @author Felix Jost
*/
public class MenuSectionNavigator extends DefaultNavigator implements Navigator, Serializable {
/**
* @param assessmentContext
*/
public MenuSectionNavigator(AssessmentInstance assessmentInstance) {
super(assessmentInstance);
}
public void startAssessment() {
getInfo().setStatus(QTIConstants.ASSESSMENT_RUNNING);
getInfo().setMessage(QTIConstants.MESSAGE_ASSESSMENT_INFODEMANDED);
getInfo().setRenderItems(false);
getAssessmentInstance().start();
getAssessmentInstance().persist();
}
/**
* @see org.olat.qti.process.Navigator#submitItems(org.olat.qti.container.ItemsInput)
*/
public void submitItems(ItemsInput curitsinp) {
clearInfo();
// the whole section is submitted
int st = submitMultipleItems(curitsinp);
getAssessmentContext().getCurrentSectionContext().sectionWasSubmitted();
if (st != QTIConstants.SECTION_SUBMITTED) {
// we could not submit the section (out of time is the only reason), display a error msg above the next section or assessment-finished-text
getInfo().setError(st);
getInfo().setRenderItems(false);
} else {
// eval the whole assessment here each time (so after a submitted item, one sees overall progress)
//getAssessmentContext().eval();
getInfo().setMessage(QTIConstants.MESSAGE_SECTION_SUBMITTED);
getInfo().setRenderItems(false);
}
getAssessmentInstance().persist();
}
/**
* @see org.olat.qti.process.Navigator#goToItem(int, int)
*/
public void goToItem(int sectionPos, int itemPos) {
throw new RuntimeException("can only go to sections");
}
/**
* @see org.olat.qti.process.Navigator#goToSection(int)
*/
public void goToSection(int sectionPos) {
clearInfo();
AssessmentContext ac = getAssessmentContext();
SectionContext sc = ac.getSectionContext(sectionPos);
// check if section still open
if (!ac.isOpen()) {
getInfo().setError(QTIConstants.ERROR_ASSESSMENT_OUTOFTIME);
getInfo().setRenderItems(false);
} else if (!sc.isOpen()) {
getInfo().setError(QTIConstants.ERROR_SECTION_OUTOFTIME);
getInfo().setRenderItems(false);
} else {
getInfo().setStatus(QTIConstants.ASSESSMENT_RUNNING);
getInfo().setMessage(QTIConstants.MESSAGE_SECTION_INFODEMANDED); //show section info (title and description)
getInfo().setRenderItems(true);
ac.setCurrentSectionContextPos(sectionPos);
sc = ac.getCurrentSectionContext();
startSection(sc);
}
getAssessmentInstance().persist();
}
private void startSection(SectionContext sc) {
sc.start();
for (int i = 0; i < sc.getItemContextCount(); i++) {
ItemContext itc = sc.getItemContext(i);
itc.start();
}
}
}