/**
* 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.portal.calendar;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import org.olat.commons.calendar.CalendarUtils;
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.Windows;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.link.Link;
import org.olat.core.gui.components.link.LinkFactory;
import org.olat.core.gui.components.table.ColumnDescriptor;
import org.olat.core.gui.components.table.DefaultColumnDescriptor;
import org.olat.core.gui.components.table.DefaultTableDataModel;
import org.olat.core.gui.components.table.Table;
import org.olat.core.gui.components.table.TableController;
import org.olat.core.gui.components.table.TableEvent;
import org.olat.core.gui.components.table.TableGuiConfiguration;
import org.olat.core.gui.components.util.ComponentUtil;
import org.olat.core.gui.components.velocity.VelocityContainer;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.DefaultController;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.generic.dtabs.DTabs;
import org.olat.core.gui.translator.PackageTranslator;
import org.olat.core.gui.translator.Translator;
import org.olat.core.logging.OLATRuntimeException;
import org.olat.core.util.Util;
import org.olat.core.util.event.GenericEventListener;
import org.olat.home.HomeCalendarController;
import org.olat.home.site.HomeSite;
/**
*
* Description: Displays a little calendar with links to the
* users personal calendar
* @author gnaegi
* Initial Date: Jul 26, 2006
*
*/
public class CalendarPortletRunController extends DefaultController implements GenericEventListener {
private static final String VELOCITY_ROOT = Util.getPackageVelocityRoot(CalendarPortletRunController.class);
private static final String CMD_LAUNCH = "cmd.launch";
private static final int MAX_EVENTS = 5;
private Translator trans;
private VelocityContainer calendarVC;
private TableController tableController;
private boolean dirty = false;
private Link showAllLink;
/**
* Constructor
*
* @param ureq
* @param wControl
*/
protected CalendarPortletRunController(UserRequest ureq, WindowControl wControl) {
super(wControl);
trans = new PackageTranslator(Util.getPackageName(CalendarPortletRunController.class), ureq.getLocale());
calendarVC = new VelocityContainer("calendarVC", VELOCITY_ROOT + "/calendarPortlet.html", trans, this);
showAllLink = LinkFactory.createLink("calendar.showAll", calendarVC, this);
ComponentUtil.registerForValidateEvents(calendarVC, this);
Date date = new Date();
String today = DateFormat.getTimeInstance(DateFormat.MEDIUM, ureq.getLocale()).format(date);
calendarVC.contextPut("today", today);
TableGuiConfiguration tableConfig = new TableGuiConfiguration();
tableConfig.setTableEmptyMessage(trans.translate("calendar.noEvents"));
tableConfig.setDisplayTableHeader(false);
tableConfig.setCustomCssClass("b_portlet_table");
tableConfig.setDisplayRowCount(false);
tableConfig.setPageingEnabled(false);
tableConfig.setDownloadOffered(false);
tableController = new TableController(tableConfig, ureq, getWindowControl(), trans, this);
// dummy header key, won't be used since setDisplayTableHeader is set to
// false
tableController.addColumnDescriptor(new DefaultColumnDescriptor("calendar.date", 0, null, trans.getLocale()));
tableController.addColumnDescriptor(new DefaultColumnDescriptor("calendar.subject", 1, CMD_LAUNCH, trans.getLocale(),
ColumnDescriptor.ALIGNMENT_LEFT));
List events = getMatchingEvents(ureq, wControl);
tableController.setTableDataModel(new EventsModel(events, ureq.getLocale(), trans));
calendarVC.put("table", tableController.getInitialComponent());
setInitialComponent(this.calendarVC);
}
private List getMatchingEvents(UserRequest ureq, WindowControl wControl) {
Date startDate = new Date();
Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_YEAR, cal.get(Calendar.DAY_OF_YEAR) + 7);
Date endDate = cal.getTime();
List events = new ArrayList();
List calendars = HomeCalendarController.getListOfCalendarWrappers(ureq, wControl);
calendars.addAll( HomeCalendarController.getListOfImportedCalendarWrappers(ureq) );
for (Iterator iter = calendars.iterator(); iter.hasNext();) {
KalendarRenderWrapper calendarWrapper = (KalendarRenderWrapper) iter.next();
boolean readOnly = (calendarWrapper.getAccess() == KalendarRenderWrapper.ACCESS_READ_ONLY) && !calendarWrapper.isImported();
List eventsWithinPeriod = CalendarUtils.listEventsForPeriod(calendarWrapper.getKalendar(), startDate, endDate);
for (Iterator iterator = eventsWithinPeriod.iterator(); iterator.hasNext();) {
KalendarEvent event = (KalendarEvent) iterator.next();
// skip non-public events
if (readOnly && event.getClassification() != KalendarEvent.CLASS_PUBLIC) continue;
events.add(event);
}
}
// sort events
Collections.sort(events, new Comparator() {
public int compare(Object arg0, Object arg1) {
Date begin0 = ((KalendarEvent) arg0).getBegin();
Date begin1 = ((KalendarEvent) arg1).getBegin();
return begin0.compareTo(begin1);
}
});
if (events.size() > MAX_EVENTS) events = events.subList(0, MAX_EVENTS);
return events;
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.components.Component,
* org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Component source, Event event) {
if (source == showAllLink) {
String activationCmd = "cal." + new SimpleDateFormat("yyyy.MM.dd").format(new Date());
DTabs dts = (DTabs)Windows.getWindows(ureq).getWindow(ureq).getAttribute("DTabs");
//was brasato:: getWindowControl().getDTabs().activateStatic(ureq, HomeSite.class.getName(), activationCmd);
dts.activateStatic(ureq, HomeSite.class.getName(), activationCmd);
} else if (event == ComponentUtil.VALIDATE_EVENT && dirty) {
List events = getMatchingEvents(ureq, getWindowControl());
tableController.setTableDataModel(new EventsModel(events, ureq.getLocale(), trans));
}
}
/**
* @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest,
* org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
*/
public void event(UserRequest ureq, Controller source, Event event) {
if (source == tableController) {
if (event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
TableEvent te = (TableEvent) event;
String actionid = te.getActionId();
if (actionid.equals(CMD_LAUNCH)) {
int rowid = te.getRowId();
KalendarEvent kalendarEvent = (KalendarEvent)((DefaultTableDataModel)tableController.getTableDataModel()).getObject(rowid);
Date startDate = kalendarEvent.getBegin();
String activationCmd = "cal." + new SimpleDateFormat("yyyy.MM.dd").format(startDate);
DTabs dts = (DTabs)Windows.getWindows(ureq).getWindow(ureq).getAttribute("DTabs");
//was brasato:: getWindowControl().getDTabs().activateStatic(ureq, HomeSite.class.getName(), activationCmd);
dts.activateStatic(ureq, HomeSite.class.getName(), activationCmd);
}
}
}
}
protected void doDispose() {
if (tableController != null) {
tableController.dispose();
tableController = null;
}
}
public void event(Event event) {
dirty = true;
}
}
class EventsModel extends DefaultTableDataModel {
private static final int COLUMNS = 2;
private DateFormat dateFormat, timeFormat, dateOnlyFormat;
private int MAX_SUBJECT_LENGTH = 30;
private Translator trans;
public EventsModel(List events, Locale locale, Translator trans) {
super(events);
this.trans = trans;
dateFormat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale);
timeFormat = DateFormat.getTimeInstance(DateFormat.SHORT, locale);
dateOnlyFormat = DateFormat.getDateInstance(DateFormat.SHORT, locale);
}
public int getColumnCount() {
return COLUMNS;
}
public Object getValueAt(int row, int col) {
KalendarEvent event = (KalendarEvent)getObject(row);
switch (col) {
case 0:
if (event.isToday() && event.isAllDayEvent()) return trans.translate("calendar.title");
if (event.isToday()) return trans.translate("calendar.title") +" "+ timeFormat.format(event.getBegin()) + " - " + timeFormat.format(event.getEnd());
if (event.isAllDayEvent()) return dateOnlyFormat.format(event.getBegin());
if (event.isWithinOneDay())return dateOnlyFormat.format(event.getBegin()) +" "+ timeFormat.format(event.getBegin()) + " - " + timeFormat.format(event.getEnd());
return dateFormat.format(event.getBegin()) + " - " + dateFormat.format(event.getEnd());
case 1:
String subj = event.getSubject();
if (subj.length() > MAX_SUBJECT_LENGTH )
subj = subj.substring(0, MAX_SUBJECT_LENGTH) + "...";
return subj;
}
throw new OLATRuntimeException("Unreacheable code.", null);
}
}