/**
* 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.note;
import java.util.List;
import java.util.Locale;
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.StaticColumnDescriptor;
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.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.gui.control.generic.closablewrapper.CloseableModalController;
import org.olat.core.gui.control.generic.modal.DialogBoxController;
import org.olat.core.gui.control.generic.modal.DialogBoxUIFactory;
import org.olat.core.id.Identity;
import org.olat.core.id.OLATResourceable;
import org.olat.core.id.change.ChangeManager;
import org.olat.core.util.event.EventBus;
import org.olat.core.util.event.GenericEventListener;
import org.olat.core.util.resource.OLATResourceableJustBeforeDeletedEvent;
import org.olat.core.util.resource.OresHelper;
/**
* Description: Lists all notes of a certain user. The user may choose or delete
* a note. Works togheter with the NoteController.
*
* @author Alexander Schneider
*/
public class NoteListController extends BasicController implements GenericEventListener {
private NoteListTableDataModel nLModel;
private Note chosenN = null;
private NoteManager nm = NoteManager.getInstance();
private TableController tableC;
private DialogBoxController deleteDialogCtr;
private NoteController nc;
private EventBus sec;
private Identity cOwner;
private Locale locale;
private CloseableModalController cmc;
/**
* @param ureq
* @param wControl
*/
public NoteListController(UserRequest ureq, WindowControl wControl) {
super(ureq, wControl);
this.cOwner = ureq.getIdentity();
this.locale = ureq.getLocale();
TableGuiConfiguration tableConfig = new TableGuiConfiguration();
tableConfig.setDownloadOffered(false);
tableConfig.setTableEmptyMessage(translate("note.nonotes"));
tableC = new TableController(tableConfig, ureq, getWindowControl(), getTranslator(), null);
listenTo(tableC); // autodispose on controller dispose
tableC.addColumnDescriptor(new DefaultColumnDescriptor("table.note.title", 0, "choose", ureq.getLocale()));
tableC.addColumnDescriptor(new DefaultColumnDescriptor("table.note.resource", 1, null, ureq.getLocale()));
tableC.addColumnDescriptor(new StaticColumnDescriptor("delete", "table.header.delete", translate(
"action.delete")));
populateNLTable();
putInitialPanel(tableC.getInitialComponent());
sec = ureq.getUserSession().getSingleUserEventCenter();
sec.registerFor(this, ureq.getIdentity(), OresHelper.lookupType(Note.class));
}
/**
* @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)
*/
@SuppressWarnings("unused")
public 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)
*/
public void event(UserRequest ureq, Controller source, Event event) {
// if row has been clicked
if (source == tableC) {
if (event.getCommand().equals(Table.COMMANDLINK_ROWACTION_CLICKED)) {
TableEvent te = (TableEvent) event;
String actionid = te.getActionId();
int rowid = te.getRowId();
this.chosenN = (Note) nLModel.getObject(rowid);
if (actionid.equals("choose")) {
if (nc != null) nc.dispose();
nc = new NoteController(ureq, getWindowControl(), chosenN);
nc.addControllerListener(this);
cmc = new CloseableModalController(getWindowControl(), translate("close"), nc.getInitialComponent());
cmc.activate();
} else if (actionid.equals("delete")) {
deleteDialogCtr = activateYesNoDialog(ureq, null, translate("note.delete.confirmation"), deleteDialogCtr);
}
}
} else if (source == deleteDialogCtr) {
if (DialogBoxUIFactory.isYesEvent(event)) {
// delete is ok
nm.deleteNote(chosenN);
// fire local event (for the same user)
//TODO:fj:a make Note (and all persistables) olatresourceables: problem: type is then NoteImpl instead of Note
OLATResourceable ores = OresHelper.createOLATResourceableInstance(Note.class, chosenN.getKey());
ureq.getUserSession().getSingleUserEventCenter().fireEventToListenersOf(new OLATResourceableJustBeforeDeletedEvent(ores), ores);
getWindowControl().setInfo(translate("note.delete.successfull"));
populateNLTable();
chosenN = null;
} else {
// answer was "no"
chosenN = null;
}
} else if (source == nc) {
if (event == Event.BACK_EVENT) {
cmc.deactivate();
cmc.dispose();
cmc = null;
}
}
}
private void populateNLTable() {
List<Note> l = nm.listUserNotes(cOwner);
nLModel = new NoteListTableDataModel(l, locale);
tableC.setTableDataModel(nLModel);
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose(boolean)
*/
protected void doDispose() {
sec.deregisterFor(this, OresHelper.lookupType(Note.class));
if (nc != null) {
nc.dispose();
nc = null;
}
if (cmc != null) {
cmc.dispose();
cmc = null;
}
}
public void event(Event event) {
if (ChangeManager.isChangeEvent(event)) {
populateNLTable();
}
}
}