function system_date_time_settings

Form builder; Configure the site date and time settings.

See also

system_settings_form()

Related topics

File

drupal/modules/system/system.admin.inc, line 2008

Admin page callbacks for the system module.

Code

function system_date_time_settings() {

  // Get list of all available date types.
  drupal_static_reset('system_get_date_types');
  $format_types = system_get_date_types();

  // Get list of all available date formats.
  $all_formats = array();
  drupal_static_reset('system_get_date_formats');
  $date_formats = system_get_date_formats();

  // Call this to rebuild the list, and to have default list.
  foreach ($date_formats as $type => $format_info) {
    $all_formats = array_merge($all_formats, $format_info);
  }
  $custom_formats = system_get_date_formats('custom');
  if (!empty($format_types)) {
    foreach ($format_types as $type => $type_info) {

      // If a system type, only show the available formats for that type and
      // custom ones.
      if ($type_info['locked'] == 1) {
        $formats = system_get_date_formats($type);
        if (empty($formats)) {
          $formats = $all_formats;
        }
        elseif (!empty($custom_formats)) {
          $formats = array_merge($formats, $custom_formats);
        }
      }
      else {
        $formats = $all_formats;
      }
      $choices = array();
      foreach ($formats as $f => $format) {
        $choices[$f] = format_date(REQUEST_TIME, 'custom', $f);
      }
      reset($formats);
      $default = variable_get('date_format_' . $type, key($formats));

      // Get date type info for this date type.
      $type_info = system_get_date_types($type);
      $form['formats']['#theme'] = 'system_date_time_settings';

      // Show date format select list.
      $form['formats']['format']['date_format_' . $type] = array(
        '#type' => 'select',
        '#title' => check_plain($type_info['title']),
        '#attributes' => array(
          'class' => array(
            'date-format',
          ),
        ),
        '#default_value' => isset($choices[$default]) ? $default : 'custom',
        '#options' => $choices,
      );

      // If this isn't a system provided type, allow the user to remove it from
      // the system.
      if ($type_info['locked'] == 0) {
        $form['formats']['delete']['date_format_' . $type . '_delete'] = array(
          '#type' => 'link',
          '#title' => t('delete'),
          '#href' => 'admin/config/regional/date-time/types/' . $type . '/delete',
        );
      }
    }
  }

  // Display a message if no date types configured.
  $form['#empty_text'] = t('No date types available. <a href="@link">Add date type</a>.', array(
    '@link' => url('admin/config/regional/date-time/types/add'),
  ));
  return system_settings_form($form);
}