function fe_block_machine_name_validate in Features Extra 7

Same name and namespace in other branches

1. 6 fe_block.module \fe_block_machine_name_validate()

Validate machine name.

1 string reference to 'fe_block_machine_name_validate'

fe_block_form_alter in fe_block/fe_block.module

Implements hook_form_alter().

File

fe_block/fe_block.module, line 927

Provide features components for exporting core blocks and settings.

Code

function fe_block_machine_name_validate($form, &$form_state) {
  if (empty($form_state['values']['machine_name'])) {
    return;
  }
  $table = 'fe_block_boxes';
  $query = db_select($table)
    ->condition('bid', $form_state['values']['bid'], '<>')
    ->condition('machine_name', $form_state['values']['machine_name']);
  $count = $query
    ->countQuery()
    ->execute()
    ->fetchField();
  if (!preg_match('!^[a-z0-9_]+$!', $form_state['values']['machine_name'])) {
    form_set_error('machine_name', t('The machine-readable name must contain only lowercase letters, numbers, and underscores.'));
  }
  elseif ($count > 0) {
    form_set_error('machine_name', t('The machine-readable name has been taken. Please pick another one.'));
  }
}