/**
* 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>
* frentix GmbH, Switzerland, http://www.frentix.com
* <p>
*/
package org.olat.course.nodes.cal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import org.olat.commons.calendar.model.Kalendar;
import org.olat.commons.calendar.model.KalendarEvent;
import org.olat.commons.calendar.ui.components.KalendarRenderWrapper;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.table.ColumnDescriptor;
import org.olat.core.gui.components.table.DefaultColumnDescriptor;
import org.olat.core.gui.components.table.TableController;
import org.olat.core.gui.components.table.TableGuiConfiguration;
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.course.CourseFactory;
import org.olat.course.ICourse;
import org.olat.course.nodes.CalCourseNode;
import org.olat.course.run.userview.UserCourseEnvironment;
import org.olat.modules.ModuleConfiguration;
/**
*
* <h3>Description:</h3>
* A PeekViewController which show the next three events of the calendar. Next to
* the current date if the course node is setup to show the actual date or next to
* the date defined in the course node.
* <p>
* Initial Date: 9 nov. 2009 <br>
*
* @author srosse, stephane.rosse@frentix.com, www.frentix.com
*/
public class CourseCalendarPeekViewController extends BasicController {
private TableController tableController;
public CourseCalendarPeekViewController(UserRequest ureq, WindowControl wControl, UserCourseEnvironment userCourseEnv,
CalCourseNode courseNode) {
super(ureq, wControl);
init(ureq, courseNode, userCourseEnv);
putInitialPanel(tableController.getInitialComponent());
}
@Override
protected void doDispose() {
//
}
@Override
protected void event(UserRequest ureq, Component source, Event event) {
//
}
private void init(UserRequest ureq, CalCourseNode courseNode, UserCourseEnvironment courseEnv) {
ICourse course = CourseFactory.loadCourse(courseEnv.getCourseEnvironment().getCourseResourceableId());
CourseCalendars myCal = CourseCalendars.createCourseCalendarsWrapper(ureq, getWindowControl(), course);
Date refDate;
ModuleConfiguration config = courseNode.getModuleConfiguration();
if (CalEditController.getAutoDate(config)) {
refDate = new Date();
} else {
refDate = CalEditController.getStartDate(config);
if (refDate == null) refDate = new Date();
}
List<KalendarEvent> nextEvents = new ArrayList<KalendarEvent>();
for (KalendarRenderWrapper calendar : myCal.getCalendars()) {
Kalendar cal = calendar.getKalendar();
Collection<KalendarEvent> events = cal.getEvents();
for (KalendarEvent event : events) {
if (refDate.compareTo(event.getBegin()) <= 0) {
nextEvents.add(event);
}
}
}
Collections.sort(nextEvents, new KalendarEventComparator());
List<KalendarEvent> nextThreeEvents = nextEvents.subList(0, Math.min(3, nextEvents.size()));
TableGuiConfiguration tableConfig = new TableGuiConfiguration();
tableConfig.setTableEmptyMessage(translate("calendar.noEvents"));
tableConfig.setDisplayTableHeader(false);
tableConfig.setCustomCssClass("b_portlet_table");
tableConfig.setDisplayRowCount(false);
tableConfig.setPageingEnabled(false);
tableConfig.setDownloadOffered(false);
tableConfig.setSortingEnabled(false);
tableController = new TableController(tableConfig, ureq, getWindowControl(), getTranslator(), this);
// dummy header key, won't be used since setDisplayTableHeader is set to
// false
tableController.addColumnDescriptor(new DefaultColumnDescriptor("calendar.date", 0, null, ureq.getLocale()));
tableController.addColumnDescriptor(new DefaultColumnDescriptor("calendar.subject", 1, null, ureq.getLocale(),
ColumnDescriptor.ALIGNMENT_LEFT));
tableController.setTableDataModel(new CourseCalendarPeekViewModel(nextThreeEvents, getTranslator()));
}
public class KalendarEventComparator implements Comparator<KalendarEvent> {
public int compare(KalendarEvent o1, KalendarEvent o2) {
Date b1 = o1.getBegin();
Date b2 = o2.getBegin();
if (b1 == null) return -1;
if (b2 == null) return 1;
return b1.compareTo(b2);
}
}
}