public function WidgetDefaults::getParentDefaults in Simple hierarchical select 2.0.x

Same name and namespace in other branches

1. 8 src/WidgetDefaults.php \Drupal\shs\WidgetDefaults::getParentDefaults()

Load parents for default values.

Parameters

array|string $default_values: List of default values of the widget.

string $any_value: The value to assign to "any value".

string $entity_type: The entity type the select is displaying.

int $cardinality: The field's cardinality.

Return value

array List of parents for each default value.

Overrides WidgetDefaultsInterface::getParentDefaults

File

src/WidgetDefaults.php, line 75

Class

WidgetDefaults

Helper class for setting default values on SHS widgets.

Namespace

Drupal\shs

Code

public function getParentDefaults($default_values, $any_value, $entity_type, $cardinality = 1) {
  $parents = [];
  if (!is_array($default_values)) {
    $default_values = [
      $default_values,
    ];
  }
  foreach ($default_values as $delta => $value) {
    if ($any_value === $value) {
      $parents[$delta] = [
        [
          'parent' => 0,
          'defaultValue' => $any_value,
        ],
      ];
      continue;
    }
    try {
      $parent_terms = array_reverse(array_keys(shs_term_load_all_parents($value)));
      $keys = array_merge([
        0,
      ], $parent_terms);
      $values = array_merge($parent_terms, [
        $value,
      ]);
      $parents[$delta] = [];
      foreach ($keys as $index => $key) {
        $parents[$delta][] = [
          'parent' => $key,
          'defaultValue' => $values[$index] ?: $any_value,
        ];
      }
    } catch (\Exception $ex) {
      $parents[$delta] = [
        [
          'parent' => 0,
          'defaultValue' => $any_value,
        ],
      ];
    }
  }

  // Populate the parents array so it's equal to the field's cardinality.
  if ($cardinality < 0) {
    $cardinality = 1;
  }
  $parents_count = count($parents);
  if ($parents_count >= $cardinality) {
    return $parents;
  }
  for ($i = 1; $i <= $cardinality - $parents_count; $i++) {
    $parents[] = [
      [
        'parent' => 0,
        'defaultValue' => $any_value,
      ],
    ];
  }
  return $parents;
}