예제 #1
0
 /**
  * Processes the request.
  *
  * @param CRM_Core_Form $page
  *   CRM_Core_Form the current form-page.
  * @param string $actionName
  *   Current action name, as one Action object can serve multiple actions.
  *
  * @return object|void
  */
 public function perform(&$page, $actionName)
 {
     $pageName = $page->getAttribute('id');
     // If the original action was 'display' and we have values in container then we load them
     // BTW, if the page was invalid, we should later call validate() to get the errors
     list(, $oldName) = $page->controller->getActionName();
     if ('display' == $oldName) {
         // If the controller is "modal" we should not allow direct access to a page
         // unless all previous pages are valid (see also bug #2323)
         if ($page->controller->isModal() && !$page->controller->isValid($page->getAttribute('id'))) {
             $target =& $page->controller->getPage($page->controller->findInvalid());
             return $target->handle('jump');
         }
         $data =& $page->controller->container();
         if (!empty($data['values'][$pageName])) {
             $page->loadValues($data['values'][$pageName]);
             $validate = FALSE === $data['valid'][$pageName];
         }
     }
     // set "common" defaults and constants
     $page->controller->applyDefaults($pageName);
     $page->isFormBuilt() or $page->buildForm();
     // if we had errors we should show them again
     if (isset($validate) && $validate) {
         $page->validate();
     }
     //will this work generally as TRUE (i.e., return output)
     //was default, i.e., FALSE
     return $this->renderForm($page);
 }