function availability_calendars_handler_filter_availability::value_form in Availability Calendars 6.2

Add validation and date popup(s) to the value form.

File

./availability_calendars_handler_filter_availability.inc, line 56

Class

availability_calendars_handler_filter_availability

@class availability_calendars_handler_filter_availability Views handler to filter on availability.

Code

function value_form(&$form, &$form_state) {
  parent::value_form($form, $form_state);

  // Change labels.
  if (isset($form['value']['min'])) {
    $form['value']['min']['#title'] = t('Arrival date');
    $form['value']['max']['#title'] = t('Departure date');
  }
  else {
    $form['value']['#title'] = '';
  }

  // Remove the option, that date filter (our parent class) added, to define
  // dates relatively.
  if (empty($form_state['exposed']) && isset($form['value']['type'])) {
    $form['value']['type']['#type'] = 'hidden';
    $form['value']['type']['#default_value'] = 'date';
    $form['value']['type']['#access'] = FALSE;

    // Don't send to the client.
  }

  // Add validation.
  $form['value']['#element_validate'][] = 'availability_calendars_handler_filter_availability_validate_value';

  // Use date popups if that module is available.
  if (module_exists('date_popup')) {
    if (isset($form['value']['min'])) {
      $form['value']['min'] = $this
        ->change_element_into_date_popup($form['value']['min']);
      $form['value']['max'] = $this
        ->change_element_into_date_popup($form['value']['max']);
    }
    else {
      if (isset($form['value']['#type']) && $form['value']['#type'] == 'textfield') {
        $form['value'] = $this
          ->change_element_into_date_popup($form['value']);
      }
    }
  }
}