/**
* {@inheritdoc}
*/
public function getTransitions(array $ids = NULL, array $conditions = array())
{
$config_transitions = array();
// Get filters on 'from' states, 'to' states, roles.
$from_sid = isset($conditions['from_sid']) ? $conditions['from_sid'] : FALSE;
$to_sid = isset($conditions['to_sid']) ? $conditions['to_sid'] : FALSE;
// Get valid states + creation state.
$states = $this->getStates('CREATION');
// Cache all transitions in the workflow.
if (!$this->transitions) {
$this->transitions = WorkflowConfigTransition::loadMultiple($ids);
$this->sortTransitions();
}
/* @var $config_transition WorkflowConfigTransition */
foreach ($this->transitions as &$config_transition) {
if (!isset($states[$config_transition->getFromSid()])) {
// Not a valid transition for this workflow. @todo: delete them.
} elseif ($from_sid && $from_sid != $config_transition->getFromSid()) {
// Not the requested 'from' state.
} elseif ($to_sid && $to_sid != $config_transition->getToSid()) {
// Not the requested 'to' state.
} else {
// Transition is allowed, permitted. Add to list.
$config_transitions[$config_transition->id()] = $config_transition;
}
}
return $config_transitions;
}
/**
* Implements hook_workflow_permitted_state_transitions_alter().
*
* @param array $transitions
* An array of allowed transitions from the current state (as provided in
* $context). They are already filtered by the settings in Admin UI.
* @param array $context
* An array of relevant objects. Currently:
* $context = array(
* 'user' => $user,
* 'workflow' => $workflow,
* 'state' => $current_state,
* 'force' => $force,
* );
*
* This hook allows you to add custom filtering of allowed target states, add
* new custom states, change labels, etc.
* It is invoked in WorkflowState::getOptions().
*/
function hook_workflow_permitted_state_transitions_alter(array &$transitions, array $context)
{
// workflow_debug(__FILE__, __FUNCTION__, __LINE__, '', '');
$user = $context['user'];
// user may have the custom role AUTHOR.
// The following could be fetched from each transition.
$workflow = $context['workflow'];
$current_state = $context['state'];
// The following could be fetched from the $user and $transition objects.
$force = $context['force'];
// Implement here own permission logic.
foreach ($transitions as $key => $transition) {
if (!$transition->isAllowed($user, $force)) {
//unset($transitions[$key]);
}
}
// This example creates a new custom target state.
$values = array('wid' => $context['workflow']->id(), 'from_sid' => $context['state']->id(), 'to_sid' => '998', 'label' => 'go to my new fantasy state');
$new_transition = WorkflowConfigTransition::create($values);
// $transitions[] = $new_transition;
}