controllers/grid/admin/systemInfo/ServerInfoGridHandler.inc.php

<?php

import('lib.pkp.classes.controllers.grid.GridHandler');
import('controllers.grid.admin.systemInfo.InfoGridCellProvider');


class ServerInfoGridHandler extends GridHandler {
   function ServerInfoGridHandler() {
      parent::GridHandler();
      $this->addRoleAssignment(array(
         ROLE_ID_SITE_ADMIN),
         array('fetchGrid', 'fetchRow')
      );
   }


   //
   // Implement template methods from PKPHandler.
   //
   function authorize(&$request, $args, $roleAssignments) {
      import('lib.pkp.classes.security.authorization.PolicySet');
      $rolePolicy = new PolicySet(COMBINING_PERMIT_OVERRIDES);

      import('lib.pkp.classes.security.authorization.RoleBasedHandlerOperationPolicy');
      foreach($roleAssignments as $role => $operations) {
         $rolePolicy->addPolicy(new RoleBasedHandlerOperationPolicy($request, $role, $operations));
      }
      $this->addPolicy($rolePolicy);

      return parent::authorize($request, $args, $roleAssignments);
   }

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

      // Load user-related translations.
      AppLocale::requireComponents(
         LOCALE_COMPONENT_PKP_USER,
         LOCALE_COMPONENT_PKP_ADMIN,
         LOCALE_COMPONENT_OMP_ADMIN,
         LOCALE_COMPONENT_OMP_MANAGER,
         LOCALE_COMPONENT_APPLICATION_COMMON
      );

      // Basic grid configuration.
      $this->setTitle('admin.serverInformation');
      $this->setInstructions('admin.serverInformationDescription');

      //
      // Grid columns.
      //
      import('controllers.grid.admin.systemInfo.InfoGridCellProvider');
      $infoGridCellProvider = new InfoGridCellProvider(true);

      // Setting name.
      $this->addColumn(
         new GridColumn(
            'name',
            'admin.systemInfo.settingName',
            null,
            'controllers/grid/gridCell.tpl',
            $infoGridCellProvider,
            array('width' => 20, 'alignment' => COLUMN_ALIGNMENT_LEFT)
         )
      );

      // Setting value.
      $this->addColumn(
         new GridColumn(
            'value',
            'admin.systemInfo.settingValue',
            null,
            'controllers/grid/gridCell.tpl',
            $infoGridCellProvider
         )
      );
   }


   //
   // Implement template methods from GridHandler
   //

   function loadData(&$request, $filter) {

      $dbconn =& DBConnection::getConn();
      $dbServerInfo = $dbconn->ServerInfo();

      $serverInfo = array(
         'admin.server.platform' => Core::serverPHPOS(),
         'admin.server.phpVersion' => Core::serverPHPVersion(),
         'admin.server.apacheVersion' => (function_exists('apache_get_version') ? apache_get_version() : __('common.notAvailable')),
         'admin.server.dbDriver' => Config::getVar('database', 'driver'),
         'admin.server.dbVersion' => (empty($dbServerInfo['description']) ? $dbServerInfo['version'] : $dbServerInfo['description'])
      );

      return $serverInfo;
   }
}
?>