public function YamlFormHandlerFormBase::getUniqueMachineName in YAML Form 8

Generates a unique machine name for a form handler instance.

Parameters

\Drupal\yamlform\YamlFormHandlerInterface $handler: The form handler.

Return value

string Returns the unique name.

1 call to YamlFormHandlerFormBase::getUniqueMachineName()

YamlFormHandlerFormBase::buildForm in src/Form/YamlFormHandlerFormBase.php

File

src/Form/YamlFormHandlerFormBase.php, line 210

Class

YamlFormHandlerFormBase

Provides a base form for form handlers.

Namespace

Drupal\yamlform\Form

Code

public function getUniqueMachineName(YamlFormHandlerInterface $handler) {
  $suggestion = $handler
    ->getPluginId();
  $count = 1;
  $machine_default = $suggestion;
  $instance_ids = $this->yamlform
    ->getHandlers()
    ->getInstanceIds();
  while (isset($instance_ids[$machine_default])) {
    $machine_default = $suggestion . '_' . $count++;
  }

  // Only return a suggestion if it is not the default plugin id.
  return $machine_default != $handler
    ->getPluginId() ? $machine_default : '';
}