Form validation handler for update_manager_install_form().

See also

update_manager_install_form_submit()

Related topics

File

modules/update/update.manager.inc, line 613
Administrative screens and processing functions of the Update Manager module.

Code

function update_manager_install_form_validate($form, &$form_state) {
  if (!($form_state['values']['project_url'] xor !empty($_FILES['files']['name']['project_upload']))) {
    form_set_error('project_url', t('You must either provide a URL or upload an archive file to install.'));
  }
  if ($form_state['values']['project_url']) {
    if (!valid_url($form_state['values']['project_url'], TRUE)) {
      form_set_error('project_url', t('The provided URL is invalid.'));
    }
  }
}