Package org.olat.notifications

Source Code of org.olat.notifications.NotificationSubscriptionAndNewsController

/**
* 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) frentix GmbH<br>
* http://www.frentix.com<br>
* <p>
*/
package org.olat.notifications;

import java.util.Date;

import org.olat.commons.rss.RSSUtil;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.panel.Panel;
import org.olat.core.gui.components.tabbedpane.TabbedPane;
import org.olat.core.gui.components.tabbedpane.TabbedPaneChangedEvent;
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.id.User;
import org.olat.core.id.UserConstants;
import org.olat.core.util.Util;
import org.olat.home.GuestHomeSite;

/**
* Description:<br>
* The subscription and notification controller combines the users subscription
* management and his personal news into one view.
*
* <P>
* Initial Date: 22.12.2009 <br>
*
* @author gnaegi
*/
public class NotificationSubscriptionAndNewsController extends BasicController {
  private Identity subscriberIdentity;
  private TabbedPane tabbedPane;
  private Panel subscriptionPanel, rssPanel;
  private NotificationSubscriptionController subscriptionCtr;
  private NotificationNewsController newsCtr;

  protected NotificationSubscriptionAndNewsController(Identity subscriberIdentity, UserRequest ureq, WindowControl wControl,
      Date newsSinceDate) {
    super(ureq, wControl, Util.createPackageTranslator(GuestHomeSite.class, ureq.getLocale()));
    this.subscriberIdentity = subscriberIdentity;
    tabbedPane = new TabbedPane("tabbedPane", getLocale());
    tabbedPane.addListener(this);
    // Add news view
    newsCtr = NotificationUIFactory.createNewsListingController(subscriberIdentity, ureq, getWindowControl(), newsSinceDate);
    listenTo(newsCtr);
    tabbedPane.addTab(translate("overview.tab.news"), newsCtr.getInitialComponent());
    // Add subscription view, initialize with an empty panel and create real
    // controller only when user clicks the tab
    subscriptionPanel = new Panel("subscriptionPanel");
    tabbedPane.addTab(translate("overview.tab.subscriptions"), subscriptionPanel);
    // Add RSS info page
    rssPanel = new Panel("rssPanel");
    tabbedPane.addTab(translate("overview.tab.rss"), rssPanel);
    //
    putInitialPanel(tabbedPane);
  }

  /**
   * @see org.olat.core.gui.control.DefaultController#doDispose()
   */
  @Override
  protected void doDispose() {
  // controllers dispsed by basic controller
  }

  /**
   * @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, Component source, Event event) {
    if (source == tabbedPane) {
      if (event instanceof TabbedPaneChangedEvent) {
        TabbedPaneChangedEvent tabbedEvent = (TabbedPaneChangedEvent) event;
        // Lazy initialize the notification subscription controller when the
        // user clicks the tab the first time
        if (tabbedEvent.getNewComponent() == subscriptionPanel && subscriptionCtr == null) {
          subscriptionCtr = NotificationUIFactory.createSubscriptionListingController(subscriberIdentity, ureq, getWindowControl());
          listenTo(subscriptionCtr);
          subscriptionPanel.setContent(subscriptionCtr.getInitialComponent());
        }
        // Lazy initialize the notification subscription controller when the
        // user clicks the tab the first time
        else if (tabbedEvent.getNewComponent() == rssPanel && rssPanel.getContent() == null) {
          VelocityContainer notificationsRssVC = createVelocityContainer("notificationsRSS");
          String rssLink = RSSUtil.getPersonalRssLink(ureq);
          notificationsRssVC.contextPut("rssLink", rssLink);
          User user = subscriberIdentity.getUser();
          String fullName = user.getProperty(UserConstants.FIRSTNAME, getLocale()) + " " + user.getProperty(UserConstants.LASTNAME, getLocale());
          notificationsRssVC.contextPut("fullName", fullName);
          rssPanel.setContent(notificationsRssVC);
        }
      }
    }
  }

  /**
   * @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)
   */
  protected void event(UserRequest ureq, Controller source, Event event) {
    if (source == subscriptionCtr) {
      if (event == Event.CHANGED_EVENT) {
        // Reload table model from news controller to reflect change in
        // subscriptions
        newsCtr.updateNewsDataModel();
      }
    }
  }
}
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