public function DevelCommands::interactEvent in Devel 8.2

Same name and namespace in other branches

1. 8.3 src/Commands/DevelCommands.php \Drupal\devel\Commands\DevelCommands::interactEvent()
2. 8 src/Commands/DevelCommands.php \Drupal\devel\Commands\DevelCommands::interactEvent()
3. 4.x src/Commands/DevelCommands.php \Drupal\devel\Commands\DevelCommands::interactEvent()

@hook interact devel:event

File

src/Commands/DevelCommands.php, line 139

Class

DevelCommands

For commands that are parts of modules, Drush expects to find commandfiles in __MODULE__/src/Commands, and the namespace is Drupal/__MODULE__/Commands.

Namespace

Drupal\devel\Commands

Code

public function interactEvent(Input $input, Output $output) {
  $dispatcher = $this
    ->getEventDispatcher();
  if (!$input
    ->getArgument('event')) {

    // @todo Expand this list.
    $events = array(
      'kernel.controller',
      'kernel.exception',
      'kernel.request',
      'kernel.response',
      'kernel.terminate',
      'kernel.view',
    );
    $events = array_combine($events, $events);
    if (!($event = $this
      ->io()
      ->choice('Enter the event you wish to explore.', $events))) {
      throw new UserAbortException();
    }
    $input
      ->setArgument('event', $event);
  }
  if ($implementations = $dispatcher
    ->getListeners($event)) {
    foreach ($implementations as $implementation) {
      $callable = get_class($implementation[0]) . '::' . $implementation[1];
      $choices[$callable] = $callable;
    }
    if (!($choice = $this
      ->io()
      ->choice('Enter the number of the implementation you wish to view.', $choices))) {
      throw new UserAbortException();
    }
    $input
      ->setArgument('implementation', $choice);
  }
  else {
    throw new \Exception(dt('No implementations.'));
  }
}