Form validation handler for update_manager_update_form().

Ensures that at least one project is selected.

See also

update_manager_update_form_submit()

Related topics

1 string reference to 'update_manager_update_form_validate'
update_manager_update_form in modules/update/update.manager.inc
Form constructor for the update form of the Update Manager module.

File

modules/update/update.manager.inc, line 291
Administrative screens and processing functions of the Update Manager module.

Code

function update_manager_update_form_validate($form, &$form_state) {
  if (!empty($form_state['values']['projects'])) {
    $enabled = array_filter($form_state['values']['projects']);
  }
  if (!empty($form_state['values']['disabled_projects'])) {
    $disabled = array_filter($form_state['values']['disabled_projects']);
  }
  if (empty($enabled) && empty($disabled)) {
    form_set_error('projects', t('You must select at least one project to update.'));
  }
}