function block_admin_configure_validate

Form validation handler for block_admin_configure().

See also

block_admin_configure()

block_admin_configure_submit()

File

modules/block/block.admin.inc, line 448

Code

function block_admin_configure_validate($form, &$form_state) {
    if ($form_state['values']['module'] == 'block') {
        $custom_block_exists = (bool) db_query_range('SELECT 1 FROM {block_custom} WHERE bid <> :bid AND info = :info', 0, 1, array(
            ':bid' => $form_state['values']['delta'],
            ':info' => $form_state['values']['info'],
        ))->fetchField();
        if (empty($form_state['values']['info']) || $custom_block_exists) {
            form_set_error('info', t('Ensure that each block description is unique.'));
        }
    }
}