public static function Conditions::processConditions in Commerce Core 8.2

Processes the conditions form element.

Parameters

array $element: The form element to process.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

array $complete_form: The complete form structure.

Return value

array The processed element.

Throws

\InvalidArgumentException Thrown for missing or malformed #parent_entity_type, #entity_types, #default_value properties.

File

src/Element/Conditions.php, line 87

Class

Conditions

Provides a form element for configuring conditions.

Namespace

Drupal\commerce\Element

Code

public static function processConditions(array &$element, FormStateInterface $form_state, array &$complete_form) {
  if (empty($element['#parent_entity_type'])) {
    throw new \InvalidArgumentException('The commerce_conditions element requires the #parent_entity_type property.');
  }
  if (empty($element['#entity_types'])) {
    throw new \InvalidArgumentException('The commerce_conditions element requires the #entity_types property.');
  }
  if (!is_array($element['#entity_types'])) {
    throw new \InvalidArgumentException('The commerce_conditions #entity_types property must be an array.');
  }
  if (!is_array($element['#default_value'])) {
    throw new \InvalidArgumentException('The commerce_conditions #default_value property must be an array.');
  }
  $default_value = array_column($element['#default_value'], 'configuration', 'plugin');

  /** @var \Drupal\commerce\ConditionManagerInterface $plugin_manager */
  $plugin_manager = \Drupal::service('plugin.manager.commerce_condition');
  $definitions = $plugin_manager
    ->getFilteredDefinitions($element['#parent_entity_type'], $element['#entity_types']);
  $grouped_definitions = [];
  foreach ($definitions as $plugin_id => $definition) {
    $category = $definition['category']
      ->getUntranslatedString();
    $grouped_definitions[$category][$plugin_id] = $definition;
  }
  ksort($grouped_definitions);
  $tab_group = implode('][', array_merge($element['#parents'], [
    'conditions',
  ]));
  $element['#attached']['library'][] = 'commerce/conditions';
  $element['#after_build'] = [
    [
      get_called_class(),
      'clearValues',
    ],
  ];
  $element['#categories'] = [];

  // Render vertical tabs only if there is more than a single category.
  $render_vertical_tabs = count($grouped_definitions) > 1;
  if ($render_vertical_tabs) {
    $element['conditions'] = [
      '#type' => 'vertical_tabs',
      '#title' => $element['#title'],
    ];
  }
  else {
    $element['conditions_title'] = [
      '#type' => 'item',
      '#title' => $element['#title'],
    ];
    $element['conditions'] = [
      '#type' => 'container',
    ];
  }
  foreach ($grouped_definitions as $category => $definitions) {
    $category_id = preg_replace('/[^a-zA-Z\\-]/', '_', strtolower($category));
    $category_label = (string) current($definitions)['category'];
    $element['#categories'][] = $category_id;
    $element[$category_id] = [
      '#type' => $render_vertical_tabs ? 'details' : 'container',
      '#title' => $category_label,
      '#group' => $tab_group,
    ];
    foreach ($definitions as $plugin_id => $definition) {
      $category_parents = array_merge($element['#parents'], [
        $category_id,
      ]);
      $checkbox_parents = array_merge($category_parents, [
        $plugin_id,
        'enable',
      ]);
      $checkbox_name = self::buildElementName($checkbox_parents);
      $checkbox_input = NestedArray::getValue($form_state
        ->getUserInput(), $checkbox_parents);
      $enabled = isset($default_value[$plugin_id]) || !empty($checkbox_input);
      $ajax_wrapper_id = Html::getUniqueId('ajax-wrapper-' . $plugin_id);

      // Preselect the first vertical tab that has an enabled condition.
      if ($enabled && !isset($element['conditions']['#default_tab'])) {
        $element['conditions']['#default_tab'] = 'edit-' . implode('-', $category_parents);
      }
      $element[$category_id][$plugin_id] = [
        '#prefix' => '<div id="' . $ajax_wrapper_id . '">',
        '#suffix' => '</div>',
      ];
      $element[$category_id][$plugin_id]['enable'] = [
        '#type' => 'checkbox',
        '#title' => $definition['display_label'],
        '#default_value' => $enabled,
        '#attributes' => [
          'class' => [
            'enable',
          ],
        ],
        '#ajax' => [
          'callback' => [
            get_called_class(),
            'ajaxRefresh',
          ],
          'wrapper' => $ajax_wrapper_id,
        ],
      ];
      if ($enabled) {
        $inline_form_manager = \Drupal::service('plugin.manager.commerce_inline_form');
        $inline_form = $inline_form_manager
          ->createInstance('plugin_configuration', [
          'plugin_type' => 'commerce_condition',
          'plugin_id' => $plugin_id,
          'plugin_configuration' => isset($default_value[$plugin_id]) ? $default_value[$plugin_id] : [],
          'enforce_unique_parents' => FALSE,
        ]);
        $element[$category_id][$plugin_id]['configuration']['#inline_form'] = $inline_form;
        $element[$category_id][$plugin_id]['configuration']['#parents'] = array_merge($element['#parents'], [
          $category_id,
          $plugin_id,
          'configuration',
        ]);
        $element[$category_id][$plugin_id]['configuration'] = $inline_form
          ->buildInlineForm($element[$category_id][$plugin_id]['configuration'], $form_state);
        $element[$category_id][$plugin_id]['configuration']['#states'] = [
          'visible' => [
            ':input[name="' . $checkbox_name . '"]' => [
              'checked' => TRUE,
            ],
          ],
        ];

        // The element is already keyed by $plugin_id, no need to do it twice.
        $element[$category_id][$plugin_id]['configuration']['#enforce_unique_parents'] = FALSE;
      }
    }
  }
  return $element;
}