/**
* 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) 1999-2008 at frentix GmbH, Switzerland, http://www.frentix.com
* <p>
*/
package org.olat.admin.user.groups;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import org.olat.basesecurity.Manager;
import org.olat.basesecurity.ManagerFactory;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.table.DefaultColumnDescriptor;
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.velocity.VelocityContainer;
import org.olat.core.gui.control.Controller;
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.id.Identity;
import org.olat.core.util.Util;
import org.olat.group.BusinessGroup;
import org.olat.group.BusinessGroupManager;
import org.olat.group.BusinessGroupManagerImpl;
import org.olat.group.ui.BGControllerFactory;
import org.olat.group.ui.BusinessGroupTableModel;
/**
* Description:<br>
* GroupOverviewController creates a model and displays a table with all groups a user is in.
* The following rows are shown: type of group, groupname,
* role of user in group (participant, owner, on waiting list), date of joining the group
*
* <P>
* Initial Date: 22.09.2008 <br>
* @author Roman Haag, frentix GmbH, roman.haag@frentix.com
*/
public class GroupOverviewController extends BasicController {
private VelocityContainer vc;
private TableController tblCtr;
private GroupOverviewModel tableDataModel;
private WindowControl wControl;
private Identity identity;
private static String TABLE_ACTION_LAUNCH ;
public GroupOverviewController(UserRequest ureq, WindowControl control, Identity identity, Boolean canStartGroups) {
super(ureq, control, Util.createPackageTranslator(BusinessGroupTableModel.class, ureq.getLocale()));
this.wControl = control;
this.identity = identity;
if (canStartGroups){
TABLE_ACTION_LAUNCH = "bgTblLaunch";
} else {
TABLE_ACTION_LAUNCH = null;
}
vc = createVelocityContainer("groupoverview");
buildTableController(ureq, control);
vc.put("table.groups", tblCtr.getInitialComponent());
putInitialPanel(vc);
}
/**
* @param ureq
* @param control
* @param identity
* @return
*/
private void buildTableController(UserRequest ureq, WindowControl control) {
tblCtr = new TableController(null, ureq, control, getTranslator(), this);
tblCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.group.type", 0, null, ureq.getLocale()));
tblCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.group.name", 1, TABLE_ACTION_LAUNCH, ureq.getLocale()));
tblCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.user.role", 2, null, ureq.getLocale()));
tblCtr.addColumnDescriptor(new DefaultColumnDescriptor("table.user.joindate", 3, null, ureq.getLocale()));
//build data model
BusinessGroupManager bgm = BusinessGroupManagerImpl.getInstance();
Manager sm = ManagerFactory.getManager();
List<Object[]> userGroups = new ArrayList<Object[]>();
//loop over all kind of groups with all possible memberships
List<String> bgTypes = new ArrayList<String>();
bgTypes.add(BusinessGroup.TYPE_BUDDYGROUP);
bgTypes.add(BusinessGroup.TYPE_LEARNINGROUP);
bgTypes.add(BusinessGroup.TYPE_RIGHTGROUP);
for (String bgType : bgTypes) {
List<BusinessGroup> ownedGroups = bgm.findBusinessGroupsOwnedBy(bgType, identity, null);
List<BusinessGroup> attendedGroups = bgm.findBusinessGroupsAttendedBy(bgType, identity, null);
List<BusinessGroup> waitingGroups = bgm.findBusinessGroupsWithWaitingListAttendedBy(bgType, identity, null);
//using HashSet to remove duplicate entries
HashSet<BusinessGroup> allGroups = new HashSet<BusinessGroup>();
allGroups.addAll(ownedGroups);
allGroups.addAll(attendedGroups);
allGroups.addAll(waitingGroups);
Iterator<BusinessGroup> iter = allGroups.iterator();
while (iter.hasNext()) {
Object[] groupEntry = new Object[4];
BusinessGroup group = iter.next();
groupEntry[0] = translate(group.getType());
groupEntry[1] = group;
Date joinDate = null;
if(attendedGroups.contains(group)&&ownedGroups.contains(group)) {
groupEntry[2] = translate("attende.and.owner");
joinDate = sm.getSecurityGroupJoinDateForIdentity(group.getPartipiciantGroup(), identity);
}
else if(attendedGroups.contains(group)) {
groupEntry[2] = translate("attende");
joinDate = sm.getSecurityGroupJoinDateForIdentity(group.getPartipiciantGroup(), identity);
}
else if(ownedGroups.contains(group)) {
groupEntry[2] = translate("owner");
joinDate = sm.getSecurityGroupJoinDateForIdentity(group.getOwnerGroup(), identity);
}
else if(waitingGroups.contains(group)) {
int waitingListPosition = bgm.getPositionInWaitingListFor(identity, group);
groupEntry[2] = translate("waiting", String.valueOf(waitingListPosition));
joinDate = sm.getSecurityGroupJoinDateForIdentity(group.getWaitingGroup(), identity);
}
groupEntry[3] = joinDate;
userGroups.add(groupEntry);
}
}
tableDataModel = new GroupOverviewModel(userGroups, 4);
tblCtr.setTableDataModel(tableDataModel);
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose()
*/
@Override
protected void doDispose() {
if (tblCtr!=null){
tblCtr.dispose();
tblCtr = null;
}
}
/**
* @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)
*/
@Override
@SuppressWarnings("unused")
protected void event( UserRequest ureq, Component source, Event event) {
// no events to catch
}
/**
* @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)
*/
@Override
protected void event(UserRequest ureq, Controller source, Event event) {
super.event(ureq, source, event);
if (source == tblCtr){
if (event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
TableEvent te = (TableEvent) event;
String actionid = te.getActionId();
int rowid = te.getRowId();
BusinessGroup currBusinessGroup = tableDataModel.getBusinessGroupAtRow(rowid);
if (actionid.equals(TABLE_ACTION_LAUNCH)) {
BusinessGroupManager bgm = BusinessGroupManagerImpl.getInstance();
currBusinessGroup = bgm.loadBusinessGroup(currBusinessGroup.getKey(), false);
if (currBusinessGroup==null) {
//group seems to be removed meanwhile, reload table and show error
showError("group.removed");
buildTableController(ureq, wControl);
vc.put("table.groups", tblCtr.getInitialComponent());
}
else {
BGControllerFactory.getInstance().createRunControllerAsTopNavTab(currBusinessGroup, ureq, getWindowControl(), true, null);
}
}
}
}
}
}