public function State::getValueOptions in State Machine 8

Child classes should be used to override this function and set the 'value options', unless 'options callback' is defined as a valid function or static public method to generate these values.

This can use a guard to be used to reduce database hits as much as possible.

Return value

array|null The stored values from $this->valueOptions.

Overrides InOperator::getValueOptions

File

src/Plugin/views/filter/State.php, line 72

Class

State

Filter by workflow state.

Namespace

Drupal\state_machine\Plugin\views\filter

Code

public function getValueOptions() {
  if (!isset($this->valueOptions)) {
    $entity_type_id = $this
      ->getEntityType();
    $entity_type = $this->entityTypeManager
      ->getDefinition($entity_type_id);
    $field_name = $this
      ->getFieldName();
    $workflows = $this
      ->getWorkflows($entity_type, $field_name);

    // Merge the states of all workflows into one list, preserving their
    // initial positions.
    $states = [];
    foreach ($workflows as $workflow) {
      $weight = 0;
      foreach ($workflow
        ->getStates() as $state_id => $state) {
        $states[$state_id] = [
          'label' => $state
            ->getLabel(),
          'weight' => $weight,
        ];
        $weight++;
      }
    }
    uasort($states, [
      SortArray::class,
      'sortByWeightElement',
    ]);
    $this->valueOptions = array_map(function ($state) {
      return $state['label'];
    }, $states);
  }
  return $this->valueOptions;
}