--- /dev/null
+<?php
+
+namespace Drupal\ctools\Plugin\Deriver;
+
+
+use Drupal\Core\Plugin\Context\ContextDefinition;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Drupal\Core\TypedData\DataDefinitionInterface;
+use Drupal\field\FieldConfigInterface;
+
+class TypedDataRelationshipDeriver extends TypedDataPropertyDeriverBase implements ContainerDeriverInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function generateDerivativeDefinition($base_plugin_definition, $data_type_id, $data_type_definition, DataDefinitionInterface $base_definition, $property_name, DataDefinitionInterface $property_definition) {
+ $bundle_info = $base_definition->getConstraint('Bundle');
+ // Identify base definitions that appear on bundle-able entities.
+ if ($bundle_info && array_filter($bundle_info) && $base_definition->getConstraint('EntityType')) {
+ $base_data_type = 'entity:' . $base_definition->getConstraint('EntityType');
+ }
+ // Otherwise, just use the raw data type identifier.
+ else {
+ $base_data_type = $data_type_id;
+ }
+ // If we've not processed this thing before.
+ if (!isset($this->derivatives[$base_data_type . ':' . $property_name])) {
+ $derivative = $base_plugin_definition;
+
+ $derivative['label'] = $this->t($this->label, [
+ '@property' => $property_definition->getLabel(),
+ '@base' => $data_type_definition['label'],
+ ]);
+ $derivative['data_type'] = $property_definition->getFieldStorageDefinition()->getPropertyDefinition($property_definition->getFieldStorageDefinition()->getMainPropertyName())->getDataType();
+ $derivative['property_name'] = $property_name;
+ $context_definition = new ContextDefinition($base_data_type, $this->typedDataManager->createDataDefinition($base_data_type));
+ // Add the constraints of the base definition to the context definition.
+ if ($base_definition->getConstraint('Bundle')) {
+ $context_definition->addConstraint('Bundle', $base_definition->getConstraint('Bundle'));
+ }
+ $derivative['context'] = [
+ 'base' => $context_definition,
+ ];
+ $derivative['property_name'] = $property_name;
+
+ $this->derivatives[$base_data_type . ':' . $property_name] = $derivative;
+ }
+ // Individual fields can be on multiple bundles.
+ elseif ($property_definition instanceof FieldConfigInterface) {
+ // We should only end up in here on entity bundles.
+ $derivative = $this->derivatives[$base_data_type . ':' . $property_name];
+ // Update label
+ /** @var \Drupal\Core\StringTranslation\TranslatableMarkup $label */
+ $label = $derivative['label'];
+ list(,, $argument_name) = explode(':', $data_type_id);
+ $arguments = $label->getArguments();
+ $arguments['@'. $argument_name] = $data_type_definition['label'];
+ $string_args = $arguments;
+ array_shift($string_args);
+ $last = array_slice($string_args, -1);
+ // The slice doesn't remove, so do that now.
+ array_pop($string_args);
+ $string = count($string_args) >= 2 ? '@property from '. implode(', ', array_keys($string_args)) .' and '. array_keys($last)[0] : '@property from @base and '. array_keys($last)[0];
+ $this->derivatives[$base_data_type . ':' . $property_name]['label'] = $this->t($string, $arguments);
+ if ($base_definition->getConstraint('Bundle')) {
+ // Add bundle constraints
+ $context_definition = $derivative['context']['base'];
+ $bundles = $context_definition->getConstraint('Bundle') ?: [];
+ $bundles = array_merge($bundles, $base_definition->getConstraint('Bundle'));
+ $context_definition->addConstraint('Bundle', $bundles);
+ }
+ }
+ }
+
+}