/**
  * Manages all models.
  */
 public function actionAdmin()
 {
     // page size drop down changed
     if (isset($_GET['pageSize'])) {
         Yii::app()->user->setState('pageSize', (int) $_GET['pageSize']);
         unset($_GET['pageSize']);
         // would interfere with pager and repetitive page size change
     }
     $model = new Cartridge('search');
     $model->unsetAttributes();
     // clear any default values
     if (isset($_GET['Cartridge'])) {
         $model->attributes = $_GET['Cartridge'];
     }
     if ($this->isExportRequest()) {
         $this->exportCSV($model->search(), array('location.name', 'commodity.name', 'category_id', 'category.name', 'user.name', 'status.status', 'manufacturer.name', 'consumabletype.name', 'managementtype.name', 'model', 'threshold', 'imageFileName', 'documentFileName', 'enable_financial', 'available_on_loan', 'semi_consumable'));
     }
     $this->render('admin', array('model' => $model));
 }