function date_select_validate in Date 7.3

Same name and namespace in other branches

1. 5.2 date_api_elements.inc \date_select_validate()
2. 6.2 date_api_elements.inc \date_select_validate()
3. 6 date_api_elements.inc \date_select_validate()
4. 7 date_api/date_api_elements.inc \date_select_validate()
5. 7.2 date_api/date_api_elements.inc \date_select_validate()

Validation function for date selector.

When used as a Views widget, the validation step always gets triggered, even with no form submission. Before form submission $element['#value'] contains a string, after submission it contains an array.

1 string reference to 'date_select_validate'

date_select_element_process in date_api/date_api_elements.inc

Flexible date/time drop-down selector.

File

date_api/date_api_elements.inc, line 711

Date API elements themes and validation.

Code

function date_select_validate($element, &$form_state) {
  if (date_hidden_element($element)) {
    return;
  }
  if (is_string($element['#value'])) {
    return;
  }
  $input_exists = NULL;
  $input = drupal_array_get_nested_value($form_state['values'], $element['#parents'], $input_exists);

  // Strip field labels out of the results.
  foreach ($element['#value'] as $field => $field_value) {
    if (substr($field_value, 0, 1) == '-') {
      $input[$field] = '';
    }
  }

  // Trigger hook_date_select_pre_validate_alter().
  drupal_alter('date_select_pre_validate', $element, $form_state, $input);
  $label = !empty($element['#date_title']) ? $element['#date_title'] : (!empty($element['#title']) ? $element['#title'] : '');
  if (isset($input['ampm'])) {
    if ($input['ampm'] == 'pm' && $input['hour'] < 12) {
      $input['hour'] += 12;
    }
    elseif ($input['ampm'] == 'am' && $input['hour'] == 12) {
      $input['hour'] -= 12;
    }
  }
  unset($input['ampm']);
  $date = date_select_input_date($element, $input);

  // If the field has errors, display them.
  $error_field = implode('][', $element['#parents']);
  $entered = array_values(array_filter($input));
  if (empty($date) || !empty($date->errors)) {

    // The input created a date but it has errors.
    if (is_object($date) && !empty($date->errors)) {
      $message = t('The value input for field %field is invalid:', array(
        '%field' => $label,
      ));
      $message .= '<br />' . implode('<br />', $date->errors);
      form_set_error($error_field, $message);
      return;
    }
    elseif (empty($entered) && $element['#required']) {
      $message = t('A valid date is required for %title.', array(
        '%title' => $label,
      ));
      form_set_error($error_field, $message);
      return;
    }
    elseif (!empty($entered)) {
      $message = t('The value input for field %field is invalid.', array(
        '%field' => $label,
      ));
      form_set_error($error_field, $message);
      return;
    }
  }
  $value = !empty($date) ? $date
    ->format(DATE_FORMAT_DATETIME) : NULL;
  form_set_value($element, $value, $form_state);
}