function paragraphs_field_widget_embed_validate in Paragraphs 7

FAPI validation of an individual paragraphs element.

Parameters

array $element: A form element array containing basic properties of the paragraphs element.

array $form_state: An associative array containing the current state of the form.

array $complete_form: The form structure array.

1 string reference to 'paragraphs_field_widget_embed_validate'

paragraphs_field_widget_form_build in ./paragraphs.field_widget.inc

Widget form implementation for paragraphs.

File

./paragraphs.field_widget.inc, line 745

Holds functions for the paragraphs widgets.

Code

function paragraphs_field_widget_embed_validate(array $element, array &$form_state, array $complete_form) {
  $field_parents = $element['#field_parents'];
  $field_name = $element['#field_name'];
  $language = $element['#language'];
  $field_state = field_form_get_state($field_parents, $field_name, $language, $form_state);
  if (isset($field_state['entity'][$element['#delta']])) {
    $paragraph_item = $field_state['entity'][$element['#delta']];

    // Now validate elements if the entity is not empty.
    if ((!isset($paragraph_item->removed) || !$paragraph_item->removed) && (!isset($paragraph_item->confirmed_removed) || !$paragraph_item->confirmed_removed)) {

      // Attach field API validation of the embedded form.
      field_attach_form_validate('paragraphs_item', $paragraph_item, $element, $form_state);
      if (!empty($element['#paragraphs_required_elements'])) {
        foreach ($element['#paragraphs_required_elements'] as &$elements) {

          // Copied from _form_validate().
          if (isset($elements['#needs_validation'])) {
            $is_countable = is_array($elements['#value']) || $elements['#value'] instanceof Countable;
            $is_empty_multiple = $is_countable && !count($elements['#value']);
            $is_empty_string = is_string($elements['#value']) && drupal_strlen(trim($elements['#value'])) == 0;
            $is_empty_value = $elements['#value'] === 0;
            if ($is_empty_multiple || $is_empty_string || $is_empty_value) {
              if (isset($elements['#title'])) {
                $error_text = t('!name field is required.', array(
                  '!name' => $elements['#title'],
                ));
                form_error($elements, filter_xss_admin($error_text));
              }
              else {
                form_error($elements);
              }
            }
          }
        }
      }
    }

    // Only if the form is being submitted, finish the collection entity and
    // prepare it for saving.
    if ($form_state['submitted']) {
      $errors = form_get_errors();
      if (module_exists('conditional_fields') && isset($form_state['conditional_fields_untriggered_dependents'])) {

        // Conditional_fields will remove errors which occurred on "untriggered
        // fields" and only remove them via the form-level validation handlers.
        foreach ($form_state['conditional_fields_untriggered_dependents'] as $conditional_error) {
          if (isset($conditional_error['errors'])) {
            foreach ($conditional_error['errors'] as $key => $error) {
              unset($errors[$key]);
            }
          }
        }
      }
      if (!$errors) {
        field_attach_submit('paragraphs_item', $paragraph_item, $element, $form_state);

        // Load initial form values into $item, so any other form values below
        // the same parents are kept.
        $item = drupal_array_get_nested_value($form_state['values'], $element['#parents']);

        // Set the _weight if it is a multiple field.
        if (isset($element['_weight'])) {
          $item['_weight'] = $element['_weight']['#value'];
        }

        // Put the paragraphs item in $item['entity'], so it is saved with
        // the host entity via hook_field_presave() if it is not empty.
        // @see paragraph_field_presave()
        $item['entity'] = $paragraph_item;
        form_set_value($element, $item, $form_state);
      }
    }
  }
}