protected function TaxRateDefaultWidget::getOptions in Commerce Product Tax 8

Returns the array of options for the widget.

Parameters

\Drupal\Core\Entity\FieldableEntityInterface $entity: The entity for which to return options.

Return value

array The array of options for the widget.

Overrides OptionsWidgetBase::getOptions

File

src/Plugin/Field/FieldWidget/TaxRateDefaultWidget.php, line 36

Class

TaxRateDefaultWidget

Plugin implementation of the 'commerce_tax_rate_default' widget.

Namespace

Drupal\commerce_product_tax\Plugin\Field\FieldWidget

Code

protected function getOptions(FieldableEntityInterface $entity) {
  if (isset($this->options)) {
    return $this->options;
  }
  $tax_type = $this
    ->getFieldSetting('tax_type');
  $this->options = [];

  // Add an empty option if the widget needs one.
  if ($empty_label = $this
    ->getEmptyLabel()) {
    $this->options = [
      '_none' => $empty_label,
    ];
  }
  $no_applicable_tax = TaxRateResolverInterface::NO_APPLICABLE_TAX_RATE;

  // Avoid instantiating the same labels dozens of times.
  $no_applicable_tax_label = $this
    ->t('No tax');
  if (!$tax_type) {
    return $this->options;
  }
  $tax_type = TaxType::load($tax_type);

  /** @var \Drupal\commerce_tax\Plugin\Commerce\TaxType\LocalTaxTypeInterface $tax_type_plugin */
  $tax_type_plugin = $tax_type
    ->getPlugin();
  foreach ($tax_type_plugin
    ->getZones() as $zone) {
    if (!$this
      ->isAllowed($tax_type, $zone)) {
      continue;
    }
    $label = (string) $zone
      ->getLabel();
    $this->options[$label] = [
      $zone
        ->getId() . '|' . $no_applicable_tax => $no_applicable_tax_label,
    ];
    foreach ($zone
      ->getRates() as $rate) {
      $rate_label = $this
        ->t('@label', [
        '@label' => $rate
          ->getLabel(),
      ]);
      if ($percentage = $rate
        ->getPercentage()) {
        $rate_label = $this
          ->t('@label (@percentage%)', [
          '@label' => $rate
            ->getLabel(),
          '@percentage' => Calculator::multiply($percentage
            ->getNumber(), '100'),
        ]);
      }
      $this->options[$label][$zone
        ->getId() . '|' . $rate
        ->getId()] = $rate_label;
    }
  }
  return $this->options;
}