function availability_calendar_field_widget_month_form_validate in Availability Calendars 7.3

Same name and namespace in other branches

1. 7.5 availability_calendar.widget.inc \availability_calendar_field_widget_month_form_validate()
2. 7.4 availability_calendar.widget.inc \availability_calendar_field_widget_month_form_validate()

Callback to validate the calendar changes. @link http://api.drupal.org/api/drupal/developer--topics--forms_api_reference....

1 string reference to 'availability_calendar_field_widget_month_form_validate'

availability_calendar_field_widget_month_form in ./availability_calendar.widget.inc

Defines the form elements to edit this field.

File

./availability_calendar.widget.inc, line 143

Code

function availability_calendar_field_widget_month_form_validate($element, &$form_state, $form) {

  // Do not update on preview, only on a real submit.
  // Drupal might have added additional characters to the #id to make it unique,
  // so only check on the start of the #id.
  $op = isset($form_state['clicked_button']) ? $form_state['clicked_button']['#id'] : '';
  if (substr($op, 0, strlen('edit-submit')) === 'edit-submit') {
    $changes = array();
    $lines = explode("\n", $element['availability_changes']['#value']);

    // Remove the last incomplete line.
    array_pop($lines);
    foreach ($lines as $line) {
      if (!empty($line)) {
        $change = availability_calendar_field_widget_month_form_validate_line($line, $element);
        if ($change !== FALSE) {
          $changes[] = $change;
        }
        else {
          form_error($element, t('The requested calendar changes contain an invalid request.'));
          break;
        }
      }
    }

    // If the field changes validated, store them for processing in the submit
    // phase. In the submit phase our hook_field_attach_submit implementation
    // will process the changes. As that hook operates on the entity, we need
    // to be able to match these changes with the entity, field, language, and
    // delta. We do so using the value of the cid_unique field.
    if (!empty($changes) && $change !== FALSE) {
      $form_state['availability_calendar_updates'][] = array(
        $element['#field_name'],
        $element['#language'],
        $element['#delta'],
        $element['cid_unique']['#value'],
        $changes,
      );
    }
  }
}