[ongoing work] Adds a configuration UI

Tests/src/Kernel/Entity/AutovalueSettingsTest.php

@@ -0,0 +1,64 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\autovalue\Kernel\AutovalueSettingsTest.
+ */
+
+namespace Drupal\Tests\autovalue\Kernel;
+
+use Drupal\autovalue\Entity\AutovalueSettings;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * @coversDefaultClass \Drupal\autovalue\Entity\AutovalueSettings
+ * @group autovalue
+ */
+class AutovalueSettingsTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['autovalue'];
+
+  /**
+   * @covers ::loadByEntityTypeAndBundle
+   */
+  public function testLoadByEntityTypeAndBundle() {
+    $setting = AutovalueSettings::loadByEntityTypeAndBundle('example', 'bundle');
+    $this->assertInstanceOf(AutovalueSettings::class, $setting);
+    $this->assertEquals('example.bundle', $setting->id());
+    $this->assertEquals('example', $setting->getTargetEntityTypeId());
+    $this->assertEquals('bundle', $setting->getTargetBundle());
+
+    $setting->save();
+  }
+
+  public function testConfiguration() {
+    $setting = AutovalueSettings::loadByEntityTypeAndBundle('example', 'bundle');
+
+    $setting->getConfiguration()->addInstanceId('my_field', [
+      'id' => 'token',
+      'pattern' => 'hello-world'
+    ]);
+    $setting->save();
+
+    $result = $setting->toArray();
+    unset($result['uuid']);
+    $this->assertEquals([
+      'id' => 'example.bundle',
+      'langcode' => 'en',
+      'status' => TRUE,
+      'dependencies' => [],
+      'target_entity_type_id' => 'example',
+      'target_bundle' => 'bundle',
+      'configuration' => [
+        'my_field' => [
+          'id' => 'token',
+          'pattern' => 'hello-world',
+        ],
+      ],
+    ], $result);
+  }
+
+}

autovalue.routing.yml

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+autovalue.settings_form:
+  path: /admin/config/content/autovalue
+  defaults:
+    _title: Autovalue configuration
+    _form: \Drupal\autovalue\Form\AutovalueSettingsForm
+  requirements:
+    _permission: administer site configuration

config/schema/autovalue.schema.yml

@@ -0,0 +1,47 @@
+autovalue.autovalue_settings.*.*:
+  type: config_entity
+  label: Autovalue Settings'
+  mapping:
+    id:
+      type: string
+      label: 'ID'
+    target_entity_type_id:
+      type: string
+      label: 'Entity Type ID'
+    target_bundle:
+      type: string
+      label: 'Bundle'
+    configuration:
+      type: sequence
+      sequence:
+        type: autovalue.autovalue.[id]
+
+autovalue.autovalue.*:
+  type: mapping
+  mapping:
+    id:
+      type: string
+      label: Plugin ID
+
+autovalue.autovalue.token:
+  type: mapping
+  mapping:
+    id:
+      type: string
+      label: Plugin ID
+    pattern:
+      type: string
+      label: Pattern
+
+autovalue.autovalue.random_value:
+  type: mapping
+  mapping:
+    id:
+      type: string
+      label: Plugin ID
+    value_type:
+      type: string
+      label: Value type
+    length:
+      type: integer
+      label: Length

src/Element/AutovalueConfiguration.php

@@ -0,0 +1,94 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\autovalue\Element\AutovalueConfiguration.
+ */
+
+namespace Drupal\autovalue\Element;
+
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\PluginFormInterface;
+use Drupal\Core\Render\Element\FormElement;
+
+/**
+ * Provides autovalue element configuration.
+ *
+ * @FormElement("autovalue_configuration")
+ */
+class AutovalueConfiguration extends FormElement {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getInfo() {
+    $class = get_class($this);
+    return [
+      '#input' => TRUE,
+      '#tree' => TRUE,
+      '#process' => [
+        [$class, 'processAutovalueConfiguration'],
+      ],
+    ];
+  }
+
+  /**
+   * Process handler for the autovalue_configuration form element.
+   */
+  public static function processAutovalueConfiguration(&$element, FormStateInterface $form_state, &$form) {
+    /** @var \Drupal\autovalue\Entity\AutovalueSettings $autovalue_settings */
+    $autovalue_settings = $element['#default_value'];
+
+    /** @var \Drupal\autovalue\Service\AutoValuePluginManagerInterface $autovalue_manager */
+    $autovalue_manager = \Drupal::service('plugin.manager.autovalue');
+    $options = array_map(function ($item) {
+      return $item['label'];
+    }, $autovalue_manager->getDefinitions());
+
+    /** @var \Drupal\Core\Entity\EntityFieldManagerInterface $field_manager */
+    $field_manager = \Drupal::service('entity_field.manager');
+    $target_entity_type_id = $autovalue_settings->getTargetEntityTypeId();
+    $target_bundle = $autovalue_settings->getTargetBundle();
+    $fields = $field_manager->getFieldDefinitions($target_entity_type_id, $target_bundle);
+
+    $element['#tree'] = TRUE;
+    foreach ($fields as $field_name => $field_definition) {
+      $element[$field_name]['#markup'] = $field_definition->getLabel();
+
+      $element[$field_name]['id'] = [
+        '#type' => 'select',
+        '#title' => t('Autovalue type'),
+        '#options' => $options,
+        '#ajax' => [
+          'callback' => '\Drupal\autovalue\Element\AutovalueConfiguration::updatePluginConfiguration',
+          'wrapper' => "autovalue-settings-$target_entity_type_id-$target_bundle-$field_name-configuration",
+        ],
+      ];
+
+      $plugin_id = isset($form_state->getUserInput()['settings'][$target_entity_type_id][$target_bundle]['autovalue_configuration'][$field_name]['id']) ? $form_state->getUserInput()['settings'][$target_entity_type_id][$target_bundle]['autovalue_configuration'][$field_name]['id'] : 'default';
+      // @todo configuration
+      $plugin = $autovalue_manager->createInstance($plugin_id, []);
+      $element[$field_name]['configuration'] = [
+        '#prefix' => '<div id="' . "autovalue-settings-$target_entity_type_id-$target_bundle-$field_name-configuration" . '>',
+        '#suffix' => '</div>',
+      ];
+      if ($plugin instanceof PluginFormInterface) {
+        $element[$field_name]['configuration'] += $plugin->buildConfigurationForm($element[$field_name]['configuration'], $form_state);
+      }
+    }
+
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function updatePluginConfiguration($form, FormStateInterface $form_state) {
+    $array_parents = $form_state->getTriggeringElement()['#array_parents'];
+    array_pop($array_parents);
+    $array_parents[] = 'configuration';
+    return NestedArray::getValue($form, $array_parents);
+  }
+
+}

src/Entity/AutovalueSettings.php

@@ -0,0 +1,122 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\autovalue\Entity\AutovalueSettings.
+ */
+
+namespace Drupal\autovalue\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityBase;
+use Drupal\Core\Plugin\DefaultLazyPluginCollection;
+
+/**
+ * Defines the autovalue settings entity.
+ *
+ * @ConfigEntityType(
+ *   id = "autovalue_settings",
+ *   label = @Translation("Autovalue Settings"),
+ *   admin_permission = "administer site configuration",
+ *   config_prefix = "autovalue_settings",
+ *   entity_keys = {
+ *     "id" = "id"
+ *   },
+ *   config_export = {
+ *     "id",
+ *     "target_entity_type_id",
+ *     "target_bundle",
+ *     "configuration",
+ *   }
+ * )
+ */
+class AutovalueSettings extends ConfigEntityBase {
+
+  /**
+   * The ID.
+   *
+   * @var string
+   */
+  protected $id;
+
+  /**
+   * The targeted entity type ID.
+   *
+   * @var string
+   */
+  protected $target_entity_type_id = '';
+
+  /**
+   * The target bundle.
+   *
+   * @var string
+   */
+  protected $target_bundle;
+
+  /**
+   * @var \Drupal\Core\Plugin\DefaultLazyPluginCollection
+   */
+  protected $configuration;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(array $values, $entity_type) {
+    parent::__construct($values, $entity_type);
+
+    $values += [
+      'configuration' => [],
+    ];
+
+    $this->configuration = new DefaultLazyPluginCollection(\Drupal::service('plugin.manager.autovalue'), $values['configuration']);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function toArray() {
+    $data = parent::toArray();
+
+    $data['configuration'] = $data['configuration']->getConfiguration();
+    return $data;
+  }
+
+  /**
+   * Returns the plugin configuration.
+   *
+   * @return \Drupal\Core\Plugin\DefaultLazyPluginCollection
+   */
+  public function getConfiguration() {
+    return $this->configuration;
+  }
+
+  /**
+   * Loads the autovalue settings by entity type.
+   *
+   * @param string $entity_type_id
+   *   The entity type ID.
+   *
+   * @return static
+   */
+  public static function loadByEntityTypeAndBundle($entity_type_id, $bundle) {
+    $config = \Drupal::entityTypeManager()->getStorage('autovalue_settings')->load($entity_type_id . '.' . $bundle);
+    if ($config == NULL) {
+      $config = AutovalueSettings::create(['id' => $entity_type_id . '.' . $bundle, 'target_entity_type_id' => $entity_type_id, 'target_bundle' => $bundle]);
+    }
+    return $config;
+  }
+
+  /**
+   * @return string
+   */
+  public function getTargetEntityTypeId() {
+    return $this->target_entity_type_id;
+  }
+
+  /**
+   * @return string
+   */
+  public function getTargetBundle() {
+    return $this->target_bundle;
+  }
+
+}