function imagecache_external_admin_form_validate in Imagecache External 7.2

Validate callback for the admin form.

File

./imagecache_external.admin.inc, line 83

Admin forms for this module.

Code

function imagecache_external_admin_form_validate($form, $form_state) {
  $scheme = file_default_scheme();
  $directory = $scheme . '://' . $form_state['values']['imagecache_directory'];
  if (!file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) {
    form_set_error('imagecache_directory', t('The directory %directory does not exist or is not writable.', array(
      '%directory' => $directory,
    )));
    watchdog('imagecache_external', 'The directory %directory does not exist or is not writable.', array(
      '%directory' => $directory,
    ), WATCHDOG_ERROR);
  }
}