/**
* {@inheritdoc}
*/
public function getNextSid($entity, $field_name, $user, $force = FALSE)
{
$new_sid = FALSE;
$current_sid = WorkflowManager::getCurrentStateId($entity, $field_name);
$current_state = WorkflowState::load($current_sid);
$options = $current_state->getOptions($entity, $field_name, $user, $force);
// Loop over every option. To find the next one.
$flag = $current_state->isCreationState();
$new_sid = $current_state->id();
foreach ($options as $sid => $name) {
if ($flag) {
$new_sid = $sid;
break;
}
if ($sid == $current_state->id()) {
$flag = TRUE;
}
}
return $new_sid;
}
/**
* {@inheritdoc}
*
* N.B. A large part of this function is taken from CommentDefaultFormatter.
*/
public function viewElements(FieldItemListInterface $items, $langcode)
{
$elements = array();
$output = array();
$field_name = $this->fieldDefinition->getName();
$entity = $items->getEntity();
$entity_type = $entity->getEntityTypeId();
$status = $items->status;
$workflow_settings = $this->getFieldSettings();
$user = \Drupal::currentUser();
// @todo #2287057: OK?
// @todo: Perhaps global user is not always the correct user.
// E.g., on ScheduledTransition->execute()? But this function is mostly used in UI.
$current_sid = WorkflowManager::getCurrentStateId($entity, $field_name);
/* @var $current_state WorkflowState */
$current_state = WorkflowState::load($current_sid);
// First compose the current value with the normal formatter from list.module.
$elements = workflow_state_formatter($entity, $field_name, $current_sid);
// The state must not be deleted, or corrupted.
if (!$current_state) {
return $elements;
}
// Check permission, so that even with state change rights,
// the form can be suppressed from the entity view (#1893724).
$type_id = $current_state->getWorkflowId();
if (!\Drupal::currentUser()->hasPermission("access {$type_id} workflow_transition form")) {
return $elements;
}
// Workflows are added to the search results and search index by
// workflow_node_update_index() instead of by this formatter, so don't
// return anything if the view mode is search_index or search_result.
if (in_array($this->viewMode, array('search_result', 'search_index'))) {
return $elements;
}
if ($entity_type == 'comment') {
// No Workflow form allowed on a comment display.
// (Also, this avoids a lot of error messages.)
return $elements;
}
// Only build form if user has possible target state(s).
if (!$current_state->showWidget($entity, $field_name, $user, FALSE)) {
return $elements;
}
// Create a transition, to pass to the form. No need to use setValues().
$transition = WorkflowTransition::create([$current_sid, 'field_name' => $field_name]);
$transition->setTargetEntity($entity);
// Remove the default formatter. We are now building the widget.
$elements = array();
// BEGIN Copy from CommentDefaultFormatter
$elements['#cache']['contexts'][] = 'user.permissions';
$output['workflows'] = [];
// Add the WorkflowTransitionForm to the page.
// $build = $this->viewBuilder->viewMultiple($workflows);
$build = $this->entityFormBuilder()->getForm($transition, 'add');
$output['workflows'] += $build;
// Only show the add workflow form if the user has permission.
$elements['#cache']['contexts'][] = 'user.roles';
// Do not show the form for the print view mode.
$elements[] = $output + array('#workflow_type' => $this->getFieldSetting('workflow_type'), '#workflow_display_mode' => $this->getFieldSetting('default_mode'), 'workflows' => array());
// END Copy from CommentDefaultFormatter
return $elements;
}
