/**
* <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.course.assessment.ui.mode;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
import org.olat.core.commons.persistence.SortKey;
import org.olat.core.gui.components.form.flexible.impl.elements.table.SortableFlexiTableDataModel;
import org.olat.core.gui.components.form.flexible.impl.elements.table.SortableFlexiTableModelDelegate;
import org.olat.course.assessment.AssessmentMode;
import org.olat.course.assessment.AssessmentMode.Status;
import org.olat.course.assessment.ui.mode.AssessmentModeListModel.Cols;
/**
*
* Initial date: 30.01.2015<br>
* @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
*
*/
public class AssessmentModeListModelSort extends SortableFlexiTableModelDelegate<AssessmentMode> {
public AssessmentModeListModelSort(SortKey orderBy, SortableFlexiTableDataModel<AssessmentMode> tableModel, Locale locale) {
super(orderBy, tableModel, locale);
}
@Override
protected void sort(List<AssessmentMode> rows) {
int columnIndex = getColumnIndex();
Cols column = Cols.values()[columnIndex];
switch(column) {
case status: Collections.sort(rows, new StatusComparator()); break;
default: {
super.sort(rows);
}
}
}
private static class StatusComparator implements Comparator<AssessmentMode> {
@Override
public int compare(AssessmentMode o1, AssessmentMode o2) {
Status s1 = o1.getStatus();
Status s2 = o2.getStatus();
if(s1 == null) {
if(s2 == null) return 0;
return -1;
}
if(s2 == null) return 1;
return s1.ordinal() - s2.ordinal();
}
}
}