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

<?php

import('lib.pkp.classes.controllers.grid.CategoryGridHandler');
import('controllers.grid.admin.systemInfo.SystemInfoGridCategoryRow');


class SystemInfoGridHandler extends CategoryGridHandler {

   var $_configData;

   function SystemInfoGridHandler() {
      parent::CategoryGridHandler();
      $this->addRoleAssignment(array(
         ROLE_ID_SITE_ADMIN),
         array('fetchGrid', 'fetchCategory', '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_OMP_ADMIN,
         LOCALE_COMPONENT_OMP_MANAGER,
         LOCALE_COMPONENT_APPLICATION_COMMON
      );

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

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

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

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

      $this->_configData = Config::getData();
   }


   //
   // Implement template methods from CategoryGridHandler
   //
   function &getCategoryRowInstance() {
      $row = new SystemInfoGridCategoryRow();
      return $row;
   }

   function getCategoryData($configSection) {
      return $this->_configData[$configSection];
   }

   function loadData(&$request, $filter) {
      return array_keys($this->_configData);
   }
}
?>