controllers/grid/content/navigation/ManageSocialMediaGridHandler.inc.php

<?php

// import grid base classes
import('lib.pkp.classes.controllers.grid.GridHandler');


// import grid specific classes
import('controllers.grid.content.navigation.SocialMediaGridCellProvider');
import('controllers.grid.content.navigation.SocialMediaGridRow');

// Link action & modal classes
import('lib.pkp.classes.linkAction.request.AjaxModal');

class ManageSocialMediaGridHandler extends GridHandler {
   var $_press;

   function ManageSocialMediaGridHandler() {
      parent::GridHandler();
      $this->addRoleAssignment(
         array(ROLE_ID_PRESS_MANAGER),
         array(
            'fetchGrid', 'fetchRow', 'addMedia',
            'editMedia', 'updateMedia', 'deleteMedia'
         )
      );
   }


   //
   // Getters/Setters
   //
   function &getPress() {
      return $this->_press;
   }

   function setPress($press) {
      $this->_press =& $press;
   }


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

   /*
    * Configure the grid
    * @param $request PKPRequest
    */
   function initialize(&$request) {
      parent::initialize($request);

      // Retrieve the authorized press.
      $this->setPress($request->getPress());

      // Load submission-specific translations
      AppLocale::requireComponents(
         LOCALE_COMPONENT_PKP_USER,
         LOCALE_COMPONENT_OMP_DEFAULT_SETTINGS
      );

      // Basic grid configuration
      $this->setTitle('grid.content.navigation.socialMedia');

      // Grid actions
      $router =& $request->getRouter();
      $actionArgs = $this->getRequestArgs();
      $this->addAction(
         new LinkAction(
            'addMedia',
            new AjaxModal(
               $router->url($request, null, null, 'addMedia', null, $actionArgs),
               __('grid.content.navigation.socialMedia.addSocialLink'),
               'modal_add_item'
            ),
            __('grid.content.navigation.socialMedia.addSocialLink'),
            'add_item'
         )
      );

      // Columns
      $cellProvider = new SocialMediaGridCellProvider();
      $this->addColumn(
         new GridColumn(
            'platform',
            'grid.content.navigation.socialMedia.platform',
            null,
            'controllers/grid/gridCell.tpl',
            $cellProvider,
            array('width' => 50, 'alignment' => COLUMN_ALIGNMENT_LEFT)
         )
      );
      $this->addColumn(
         new GridColumn(
            'inCatalog',
            'grid.content.navigation.socialMedia.inCatalog',
            null,
            'controllers/grid/common/cell/checkMarkCell.tpl',
            $cellProvider
         )
      );
   }


   //
   // Overridden methods from GridHandler
   //
   function &getRowInstance() {
      $press =& $this->getPress();
      $row = new SocialMediaGridRow($press);
      return $row;
   }

   function getRequestArgs() {
      $press =& $this->getPress();
      return array(
         'pressId' => $press->getId()
      );
   }

   function &loadData($request, $filter = null) {
      $press =& $this->getPress();
      $socialMediaDao =& DAORegistry::getDAO('SocialMediaDAO');
      $data =& $socialMediaDao->getByPressId($press->getId());
      return $data->toArray();
   }


   //
   // Public Grid Actions
   //

   function addMedia($args, $request) {
      return $this->editMedia($args, $request);
   }

   function editMedia($args, &$request) {
      // Identify the object to be updated
      $socialMediaId = (int) $request->getUserVar('socialMediaId');
      $press =& $this->getPress();

      $socialMediaDao =& DAORegistry::getDAO('SocialMediaDAO');
      $socialMedia =& $socialMediaDao->getById($socialMediaId, $press->getId());

      // Form handling
      import('controllers.grid.content.navigation.form.SocialMediaForm');
      $socialMediaForm = new SocialMediaForm($press->getId(), $socialMedia);
      $socialMediaForm->initData();

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

   function updateMedia($args, &$request) {
      // Identify the object to be updated
      $socialMediaId = (int) $request->getUserVar('socialMediaId');
      $press =& $this->getPress();

      $socialMediaDao =& DAORegistry::getDAO('SocialMediaDAO');
      $socialMedia = $socialMediaDao->getById($socialMediaId, $press->getId());

      // Form handling
      import('controllers.grid.content.navigation.form.SocialMediaForm');
      $socialMediaForm = new SocialMediaForm($press->getId(), $socialMedia);
      $socialMediaForm->readInputData();
      if ($socialMediaForm->validate()) {
         $socialMediaId = $socialMediaForm->execute($request);

         if(!isset($socialMedia)) {
            // This is a new media object
            $socialMedia =& $socialMediaDao->getById($socialMediaId, $press->getId());
            // New added media action notification content.
            $notificationContent = __('notification.addedSocialMedia');
         } else {
            // Media edit action notification content.
            $notificationContent = __('notification.editedSocialMedia');
         }

         // Create trivial notification.
         $currentUser =& $request->getUser();
         $notificationMgr = new NotificationManager();
         $notificationMgr->createTrivialNotification($currentUser->getId(), NOTIFICATION_TYPE_SUCCESS, array('contents' => $notificationContent));

         // Prepare the grid row data
         $row =& $this->getRowInstance();
         $row->setGridId($this->getId());
         $row->setId($socialMediaId);
         $row->setData($socialMedia);
         $row->initialize($request);

         // Render the row into a JSON response
         return DAO::getDataChangedEvent();

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

   function deleteMedia($args, &$request) {

      // Identify the object to be deleted
      $socialMediaId = (int) $request->getUserVar('socialMediaId');

      $press =& $this->getPress();

      $socialMediaDao =& DAORegistry::getDAO('SocialMediaDAO');
      $socialMedia =& $socialMediaDao->getById($socialMediaId, $press->getId());
      if (isset($socialMedia)) {
         $result = $socialMediaDao->deleteObject($socialMedia);
         if ($result) {
            $currentUser =& $request->getUser();
            $notificationMgr = new NotificationManager();
            $notificationMgr->createTrivialNotification($currentUser->getId(), NOTIFICATION_TYPE_SUCCESS, array('contents' => __('notification.removedSocialMedia')));
            return DAO::getDataChangedEvent();
         } else {
            $json = new JSONMessage(false, __('manager.setup.errorDeletingItem'));
            return $json->getString();
         }
      } else {
         fatalError('Social Media not in current press context.');
      }
   }
}

?>