controllers/grid/settings/contributor/ContributorGridHandler.inc.php

<?php

// Import grid base classes
import('controllers.grid.settings.SetupGridHandler');

// Import Contributor grid specific classes
import('controllers.grid.settings.contributor.ContributorGridRow');

import('lib.pkp.classes.linkAction.request.AjaxModal');

class ContributorGridHandler extends SetupGridHandler {
   function ContributorGridHandler() {
      parent::SetupGridHandler();
      $this->addRoleAssignment(array(ROLE_ID_PRESS_MANAGER),
            array('fetchGrid', 'addContributor', 'editContributor', 'updateContributor', 'deleteContributor'));
   }

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

      // Elements to be displayed in the grid
      $router =& $request->getRouter();
      $context =& $router->getContext($request);
      $contributors = $context->getSetting('contributors');
      $contributors = isset($contributors) ? $contributors : array();
      $this->setGridDataElements($contributors);

      // Add grid-level actions
      $router =& $request->getRouter();

      $this->addAction(
         new LinkAction(
            'addContributor',
            new AjaxModal(
               $router->url($request, null, null, 'addContributor', null, array('gridId' => $this->getId())),
               __('grid.action.addContributor'),
               'modal_add_user',
               true
               ),
            __('grid.action.addContributor'),
            'add_user')
      );

      // Columns
      $this->addColumn(
         new GridColumn(
            'institution',
            'grid.columns.institution',
            null,
            'controllers/grid/gridCell.tpl',
            null,
            array('width' => 50, 'alignment' => COLUMN_ALIGNMENT_LEFT)
         )
      );
      $this->addColumn(
         new GridColumn(
            'url',
            'grid.columns.url',
            null,
            'controllers/grid/gridCell.tpl',
            null,
            array('width' => 50, 'alignment' => COLUMN_ALIGNMENT_LEFT)
         )
      );
   }

   //
   // Overridden methods from GridHandler
   //
   function &getRowInstance() {
      $row = new ContributorGridRow();
      return $row;
   }

   //
   // Public Contributor Grid Actions
   //
   function addContributor($args, &$request) {
      // Calling editContributor with an empty row id will add
      // a new contributor.
      return $this->editContributor($args, $request);
   }

   function editContributor($args, &$request) {
      $contributorId = isset($args['rowId']) ? $args['rowId'] : null;
      import('controllers.grid.settings.contributor.form.ContributorForm');
      $contributorForm = new ContributorForm($contributorId);

      if ($contributorForm->isLocaleResubmit()) {
         $contributorForm->readInputData();
      } else {
         $contributorForm->initData($args, $request);
      }

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

   function updateContributor($args, &$request) {
      // -> contributorId must be present and valid
      // -> htmlId must be present and valid
      $contributorId = isset($args['rowId']) ? $args['rowId'] : null;
      import('controllers.grid.settings.contributor.form.ContributorForm');
      $contributorForm = new ContributorForm($contributorId);
      $contributorForm->readInputData();

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

         // prepare the grid row data
         $row =& $this->getRowInstance();
         $row->setGridId($this->getId());
         $row->setId($contributorForm->contributorId);
         $rowData = array('institution' => $contributorForm->getData('institution'),
                     'url' => $contributorForm->getData('url'));
         $row->setData($rowData);
         $row->initialize($request);

         return DAO::getDataChangedEvent();
      } else {
         return new JSONMessage(false);
      }
   }

   function deleteContributor($args, &$request) {
      $contributorId = isset($args['rowId']) ? $args['rowId'] : null;
      $router =& $request->getRouter();
      $press =& $router->getContext($request);
      $pressSettingsDao =& DAORegistry::getDAO('PressSettingsDAO');

      // get all of the contributors
      $contributors = $pressSettingsDao->getSetting($press->getId(), 'contributors');

      if ( isset($contributors[$contributorId]) ) {
         unset($contributors[$contributorId]);
         $pressSettingsDao->updateSetting($press->getId(), 'contributors', $contributors, 'object');
         return DAO::getDataChangedEvent();
      } else {
         return new JSONMessage(false, __('manager.setup.errorDeletingItem'));
      }
   }
}

?>