CategoryGridDataProvider.inc.php

<?php
 
// Import base class.
import('lib.pkp.classes.controllers.grid.GridDataProvider');
 
class CategoryGridDataProvider extends GridDataProvider {
 
   /* @var GridDataProvider A grid data provider that can be
    * used by this category grid data provider to provide access
    * to common data.
    */
   var $_dataProvider;
 
 
   //
   // Getters and setters.
   //
   function getDataProvider() {
      return $this->_dataProvider;
   }
 
   function setDataProvider($dataProvider) {
      if (is_a($dataProvider, 'CategoryGridDataProvider')) {
         assert(false);
         $dataProvider = null;
      }
 
      $this->_dataProvider = $dataProvider;
   }
 
 
   //
   // Overriden methods from GridDataProvider
   //
   function setAuthorizedContext(&$authorizedContext) {
      // We need to pass the authorized context object to
      // the grid data provider object, if any.
      $dataProvider = $this->getDataProvider();
      if ($dataProvider) {
         $dataProvider->setAuthorizedContext($authorizedContext);
      }
 
      parent::setAuthorizedContext($authorizedContext);
   }
 
 
   //
   // Template methods to be implemented by subclasses
   //
   function loadCategoryData($request, $categoryDataElement, $filter = null) {
      assert(false);
   }
}