function webform_validation_validate in Webform Validation 7

Same name and namespace in other branches

1. 6 webform_validation.module \webform_validation_validate()

Webform validation handler to validate against the given rules.

1 string reference to 'webform_validation_validate'

webform_validation_form_webform_client_form_alter in ./webform_validation.module

Implements hook_form_BASE_FORM_ID_alter().

File

./webform_validation.module, line 147

Code

function webform_validation_validate($form, &$form_state) {
  $static_error_messages =& drupal_static(__FUNCTION__, array());
  $page_count = 1;
  $nid = $form_state['values']['details']['nid'];
  $node = node_load($nid);
  $values = isset($form_state['values']['submitted']) ? $form_state['values']['submitted'] : NULL;
  $flat_values = _webform_client_form_submit_flatten($node, $values);
  $rules = webform_validation_get_node_rules($nid);
  $sid = empty($form_state['values']['details']['sid']) ? 0 : $form_state['values']['details']['sid'];

  // Get number of pages for this webform.
  if (isset($form_state['webform']['page_count'])) {
    $page_count = $form_state['webform']['page_count'];
  }
  elseif (isset($form_state['storage']['page_count'])) {
    $page_count = $form_state['storage']['page_count'];
  }

  // Filter out rules that don't apply to this step in the multistep form.
  if ($values && $page_count && $page_count > 1) {
    $validators = webform_validation_get_validators();
    foreach ($rules as $ruleid => $rule) {

      // Skip the rule if it does not have any components on the current page.
      if (!array_intersect_key($flat_values, $rule['components'])) {
        unset($rules[$ruleid]);
      }
      elseif (isset($validators[$rule['validator']]['min_components']) && $validators[$rule['validator']]['min_components'] > 1) {
        foreach (array_keys($rule['components']) as $cid) {
          if ($node->webform['components'][$cid]['page_num'] > $form_state['webform']['page_num']) {
            unset($rules[$ruleid]);
            break;
          }
        }
      }
    }
  }
  if ($rules) {

    // Remove hidden components.
    if (defined('WebformConditionals::componentShown')) {

      // New conditionals system.
      $sorter = webform_get_conditional_sorter($node);

      // If the form was retrieved from the form cache, the conditionals may not
      // have been executed yet.
      if (!$sorter
        ->isExecuted()) {
        $sorter
          ->executeConditionals(array(), 0);
      }
      foreach ($node->webform['components'] as $key => $component) {
        if ($sorter
          ->componentVisibility($component['cid'], $component['page_num']) !== WebformConditionals::componentShown) {
          unset($flat_values[$key]);
        }
      }
    }
    else {

      // Old conditionals system removed in Webform 7.x-4.8.
      // Webform 7.x-3.x does not define WEBFORM_CONDITIONAL_INCLUDE.
      // Define if needed.
      if (!defined('WEBFORM_CONDITIONAL_INCLUDE')) {
        define('WEBFORM_CONDITIONAL_INCLUDE', 1);
      }
      foreach ($node->webform['components'] as $key => $component) {

        // In Webform 7.x-3.x, _webform_client_form_rule_check() returns
        // boolean.
        // Cast to int so that the function behaves as it does in 7.x-4.x.
        if (isset($flat_values[$key]) && (int) _webform_client_form_rule_check($node, $component, 0, $form_state['values']['submitted']) !== WEBFORM_CONDITIONAL_INCLUDE) {
          unset($flat_values[$key]);
        }
      }
    }
    foreach ($rules as $rule) {

      // Create a list of components that need validation against this rule
      // (component id => user submitted value).
      $items = array();
      foreach ($rule['components'] as $cid => $component) {
        if (array_key_exists($cid, $flat_values)) {
          $items[$cid] = $flat_values[$cid];
        }
      }
      $rule['sid'] = $sid;

      // Have the submitted values validated.
      $components = webform_validation_prefix_keys($node->webform['components']);

      // Allow translation for all components item names if available.
      if (module_exists('webform_localization')) {
        module_load_include('inc', 'webform_localization', 'includes/webform_localization.i18n');
        foreach ($components as &$component) {
          $dummy_element = array(
            '#title' => '',
          );
          _webform_localization_translate_component($dummy_element, $component);
          if (isset($dummy_element['#title']) && (string) $dummy_element['#title']) {
            $component['name'] = $dummy_element['#title'];
          }
        }
      }
      $errors = module_invoke_all("webform_validation_validate", $rule['validator'], webform_validation_prefix_keys($items), $components, $rule);
      if ($errors) {
        $errors = webform_validation_unprefix_keys($errors);

        // Create hook_webform_validation_validate_alter(). Allow other modules
        // to alter error messages.
        $context = array(
          'validator_name' => $rule['validator'],
          'items' => $items,
          'components' => $node->webform['components'],
          'rule' => $rule,
        );
        drupal_alter('webform_validation_validate', $errors, $context);
        foreach ($errors as $item_key => $error) {

          // Do not set error message if an identical message has already been
          // set.
          if (in_array($error, $static_error_messages, TRUE)) {
            continue;
          }
          $static_error_messages[] = $error;

          // Build the proper form element error key, taking into account
          // hierarchy.
          $error_key = 'submitted][' . webform_validation_parent_tree($item_key, $node->webform['components']) . $node->webform['components'][$item_key]['form_key'];
          if (is_array($error)) {
            foreach ($error as $sub_item_key => $sub_error) {
              form_set_error($error_key . '][' . $sub_item_key, $sub_error);
            }
          }
          else {

            // filter_xss() is run in _webform_validation_i18n_error_message().
            // @ignore security_form_set_error.
            form_set_error($error_key, $error);
          }
        }
      }
    }
  }
}