controllers/grid/content/announcements/ManageAnnouncementGridHandler.inc.php

<?php

import('controllers.grid.content.announcements.AnnouncementGridHandler');
import('lib.pkp.classes.controllers.grid.DataObjectGridCellProvider');
import('controllers.grid.content.announcements.form.AnnouncementForm');

class ManageAnnouncementGridHandler extends AnnouncementGridHandler {
   function ManageAnnouncementGridHandler() {
      parent::AnnouncementGridHandler();
      $this->addRoleAssignment(
         ROLE_ID_PRESS_MANAGER,
         array(
            'fetchGrid', 'fetchRow', 'moreInformation',
            'addAnnouncement', 'editAnnouncement',
            'updateAnnouncement', 'deleteAnnouncement'
         )
      );
   }


   //
   // Overridden template methods
   //
   function authorize(&$request, $args, $roleAssignments) {
      import('classes.security.authorization.OmpPressAccessPolicy');
      $this->addPolicy(new OmpPressAccessPolicy($request, $roleAssignments));
      return parent::authorize($request, $args, $roleAssignments, false);
   }

   function initialize($request) {
      parent::initialize($request);

      $this->setTitle('announcement.announcements');

      // Load language components
      AppLocale::requireComponents(LOCALE_COMPONENT_PKP_MANAGER);

      // Add grid action.
      $router =& $request->getRouter();

      import('lib.pkp.classes.linkAction.request.AjaxModal');
      $this->addAction(
         new LinkAction(
            'addAnnouncement',
            new AjaxModal(
               $router->url($request, null, null, 'addAnnouncement', null, null),
               __('grid.action.addAnnouncement'),
               'modal_add_item',
               true
            ),
            __('grid.action.addAnnouncement'),
            'add_item')
      );
   }

   function getRowInstance() {
      import('controllers.grid.content.announcements.AnnouncementGridRow');
      return new AnnouncementGridRow();
   }


   //
   // Public handler methods.
   //
   function addAnnouncement($args, &$request) {
      return $this->editAnnouncement($args, $request);
   }

   function editAnnouncement($args, &$request) {
      $announcementId = (int)$request->getUserVar('announcementId');
      $press =& $request->getPress();
      $pressId = $press->getId();

      $announcementForm = new AnnouncementForm($pressId, $announcementId);
      $announcementForm->initData($args, $request);

      $json = new JSONMessage(true, $announcementForm->fetch($request));
      return $json->getString();
   }

   function updateAnnouncement($args, &$request) {

      // Identify the announcement Id.
      $announcementId = $request->getUserVar('announcementId');
      $press =& $request->getPress();
      $pressId = $press->getId();

      // Form handling.
      $announcementForm = new AnnouncementForm($pressId, $announcementId);
      $announcementForm->readInputData();

      if ($announcementForm->validate()) {
         $announcementForm->execute($request);

         if ($announcementId) {
            // Successful edit of an existing announcement.
            $notificationLocaleKey = 'notification.editedAnnouncement';
         } else {
            // Successful added a new announcement.
            $notificationLocaleKey = 'notification.addedAnnouncement';
         }

         // Record the notification to user.
         $notificationManager = new NotificationManager();
         $user =& $request->getUser();
         $notificationManager->createTrivialNotification($user->getId(), NOTIFICATION_TYPE_SUCCESS, array('contents' => __($notificationLocaleKey)));

         // Prepare the grid row data.
         return DAO::getDataChangedEvent($announcementId);
      } else {
         $json = new JSONMessage(false);
      }
      return $json->getString();
   }

   function deleteAnnouncement($args, $request) {
      $announcementId = (int) $request->getUserVar('announcementId');

      $announcementDao =& DAORegistry::getDAO('AnnouncementDAO');
      $announcementDao->deleteById($announcementId);

      // Create notification.
      $notificationManager = new NotificationManager();
      $user =& $request->getUser();
      $notificationManager->createTrivialNotification($user->getId(), NOTIFICATION_TYPE_SUCCESS, array('contents' => __('notification.removedAnnouncement')));

      return DAO::getDataChangedEvent($announcementId);
   }
}

?>