function EntityOperations::entityFormAlter

Implements hook_form_alter().

Alters entity forms to disallow concurrent editing in multiple workspaces.

File

core/modules/workspaces/src/Hook/EntityOperations.php, line 260

Class

EntityOperations

Defines a class for reacting to entity runtime hooks.

Namespace

Code

public function entityFormAlter(array &$form, FormStateInterface $form_state, string $form_id) : void {
    if (!$form_state->getFormObject() instanceof EntityFormInterface) {
        return;
    }
    $entity = $form_state->getFormObject()
        ->getEntity();
    if (!$this->workspaceInfo
        ->isEntitySupported($entity) && !$this->workspaceInfo
        ->isEntityIgnored($entity)) {
        return;
    }
    // For supported and ignored entity types, signal the fact that this form is
    // safe to use in a workspace.
    // @see \Drupal\workspaces\Hook\FormOperations::formAlter()
    $form_state->set('workspace_safe', TRUE);
    // There is nothing more to do for ignored entity types.
    if ($this->workspaceInfo
        ->isEntityIgnored($entity)) {
        return;
    }
    // Add an entity builder to the form which marks the edited entity object as
    // a pending revision. This is needed so validation constraints like
    // \Drupal\path\Plugin\Validation\Constraint\PathAliasConstraintValidator
    // know in advance (before hook_entity_presave()) that the new revision will
    // be a pending one.
    if ($this->workspaceManager
        ->hasActiveWorkspace()) {
        $form['#entity_builders'][] = [
            static::class,
            'entityFormEntityBuild',
        ];
    }
}