function EntityModerationForm::buildForm

Overrides FormInterface::buildForm

File

core/modules/content_moderation/src/Form/EntityModerationForm.php, line 80

Class

EntityModerationForm

The EntityModerationForm provides a simple UI for changing moderation state.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state, ContentEntityInterface $entity = NULL) {
    $current_state = $entity->moderation_state->value;
    $workflow = $this->moderationInfo
        ->getWorkflowForEntity($entity);
    
    /** @var \Drupal\workflows\Transition[] $transitions */
    $transitions = $this->validation
        ->getValidTransitions($entity, $this->currentUser());
    // Exclude self-transitions.
    $transitions = array_filter($transitions, function (Transition $transition) use ($current_state) {
        return $transition->to()
            ->id() != $current_state;
    });
    $target_states = [];
    foreach ($transitions as $transition) {
        $target_states[$transition->to()
            ->id()] = $transition->to()
            ->label();
    }
    if (!count($target_states)) {
        return $form;
    }
    if ($current_state) {
        $form['current'] = [
            '#type' => 'item',
            '#title' => $this->t('Moderation state'),
            '#markup' => $workflow->getTypePlugin()
                ->getState($current_state)
                ->label(),
        ];
    }
    // Persist the entity so we can access it in the submit handler.
    $form_state->set('entity', $entity);
    $form['new_state'] = [
        '#type' => 'select',
        '#title' => $this->t('Change to'),
        '#options' => $target_states,
    ];
    $form['revision_log'] = [
        '#type' => 'textfield',
        '#title' => $this->t('Log message'),
        '#size' => 30,
    ];
    $form['submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Apply'),
    ];
    $form['#theme'] = [
        'entity_moderation_form',
    ];
    $form['#attached']['library'][] = 'content_moderation/content_moderation';
    // Moderating an entity is allowed in a workspace.
    $form_state->set('workspace_safe', TRUE);
    return $form;
}