function superfish_menu_settings_validate in Superfish 6

Implements hook_validate().

File

./superfish.admin.inc, line 78

Functions that are only called on the admin pages.

Code

function superfish_menu_settings_validate($form, &$form_state) {
  $error = array();

  // Removing blank lines and white spaces.
  $sf_library = preg_replace("/(^[\r\n]*|[\r\n]+)[\\s\t]*[\r\n]+/", "\n", trim($form_state['values']['superfish_slp']));
  if (empty($sf_library)) {
    form_set_error('superfish_slp', t('<strong>Path to Superfish library</strong> field cannot be empty. Please try the below list:') . '<br /><pre>' . superfish_library_path() . '</pre>');
  }
  else {

    // Trimming blank lines and such.
    $sf_library = explode("\n", $sf_library);

    // Crystal clear.
    foreach ($sf_library as $s) {
      if (!file_exists($s)) {
        $error[] = $s;
      }
    }
    if (!empty($error)) {
      $error_message = '';
      if (count($error) > 1) {
        foreach ($error as $e) {
          $error_message .= '<li>' . $e . '</li>';
        }
        $error_message = t('Files not found') . ': <ul>' . $error_message . '</ul>';
      }
      else {
        $error_message = t('File not found') . ': ' . $error[0];
      }
      form_set_error('superfish_slp', $error_message);
    }
  }
}