/**
* 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.instantMessaging.ui;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.htmlheader.jscss.JSAndCSSComponent;
import org.olat.core.gui.components.link.Link;
import org.olat.core.gui.components.link.LinkFactory;
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.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.util.Formatter;
import org.olat.instantMessaging.InstantMessaging;
import org.olat.instantMessaging.InstantMessagingClient;
import org.olat.instantMessaging.InstantMessagingConstants;
import org.olat.instantMessaging.InstantMessagingModule;
import org.olat.instantMessaging.rosterandchat.ChatManagerController;
/**
* Controller for a user list, where all users are shown together with real name
* and last status message. What is visible or not is controlled by the users
* preferences settings.<br />
*
* @author Guido Schnider
* Initial Date: 15.08.2004 <br />
*/
public class ConnectedClientsListController extends BasicController {
private VelocityContainer content = createVelocityContainer("connectedclientslist");
private Link refreshButton;
private Locale locale;
private Formatter f;
private Map<String, String> lastActivity = new HashMap<String, String>();
private List<ConnectedUsersListEntry> entries = new ArrayList<ConnectedUsersListEntry>();
private TableController tableCtr;
private ConnectedUsersTableModel tableModel;
private ChatManagerController chatMgrCtrl;
private InstantMessaging im = InstantMessagingModule.getAdapter();
/**
*
* @param ureq
* @param wControl
*/
public ConnectedClientsListController(UserRequest ureq, WindowControl wControl) {
super(ureq, wControl);
//this controller gets rendered in a new window, we have to make sure polling works also in this window
JSAndCSSComponent jsComp = new JSAndCSSComponent("pollintervall", this.getClass(), null, null, false, null, InstantMessagingModule.getIDLE_POLLTIME());
content.put("polling", jsComp);
locale = ureq.getLocale();
f = Formatter.getInstance(locale);
refreshButton = LinkFactory.createButtonSmall("command.refresh", content, this);
updateUI(ureq, true);
chatMgrCtrl = new ChatManagerController(ureq, wControl);
content.put("chats", chatMgrCtrl.getInitialComponent());
listenTo(chatMgrCtrl);
putInitialPanel(content);
}
/**
* rebuild the user list with the latest entries
*/
private void updateUI(UserRequest ureq, boolean init) {
if (init) {
TableGuiConfiguration tableConfig = new TableGuiConfiguration();
if (tableCtr != null) removeAsListenerAndDispose(tableCtr);
tableCtr = new TableController(tableConfig, ureq, getWindowControl(), getTranslator(), null);
listenTo(tableCtr);
tableModel = new ConnectedUsersTableModel(getTranslator(), InstantMessagingModule.isEnabled());
tableModel.addColumnDescriptors(tableCtr);
tableCtr.setTableDataModel(tableModel);
tableCtr.setSortColumn(1, true);
content.put("usertable", tableCtr.getInitialComponent());
}
entries.clear();
int invisibleUsers = 0;
List<ConnectedUsersListEntry> l = im.getAllConnectedUsers(ureq.getIdentity());
List<ConnectedUsersListEntry> m = new ArrayList<ConnectedUsersListEntry>();
for (Iterator<ConnectedUsersListEntry> it = l.iterator(); it.hasNext();) {
ConnectedUsersListEntry entry = it.next();
if (!entry.isVisible()){
invisibleUsers++;
} else {
m.add(entry);
}
}
tableModel.setEntries(m);
tableCtr.modelChanged();
//TODO:gs TODO get invisible users by looping in GUI
content.contextPut("invisibleUsers", invisibleUsers);
}
/**
* translate the default status messages for the list of logged in users
* @param statusMsg
* @return
*/
private String translatedDefautStatusMsg(String statusMsg) {
if(statusMsg.equals(InstantMessagingConstants.PRESENCE_MODE_AVAILABLE)) {
return translate("presence.available");
} else if(statusMsg.equals(InstantMessagingConstants.PRESENCE_MODE_CHAT)) {
return translate("presence.chat");
} else if(statusMsg.equals(InstantMessagingConstants.PRESENCE_MODE_AWAY)) {
return translate("presence.away");
} else if(statusMsg.equals(InstantMessagingConstants.PRESENCE_MODE_XAWAY)) {
return translate("presence.xa");
} else if(statusMsg.equals(InstantMessagingConstants.PRESENCE_MODE_DND)) {
return translate("presence.dnd");
}
return statusMsg;
}
/**
* @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
protected void event(UserRequest ureq, Controller source, Event event) {
if (source == tableCtr) {
InstantMessagingClient client = im.getClientManager().getInstantMessagingClient(ureq.getIdentity().getName());
boolean chattingAllowed = false;
if (client != null && !client.isChatDisabled()) chattingAllowed = true;
if (chattingAllowed) {
TableEvent te = (TableEvent) event;
int row = te.getRowId();
ConnectedUsersListEntry entry = tableModel.getEntryAt(row);
chatMgrCtrl.createChat(ureq, getWindowControl(), entry.getJabberId());
} else {
getWindowControl().setInfo(translate("im.chat.forbidden"));
}
}
}
/**
* @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 == refreshButton) {
updateUI(ureq, false);
}
}
/**
* @see org.olat.core.gui.control.DefaultController#doDispose(boolean)
*/
protected void doDispose() {
// child controller disposed by basic controller
}
}