--- /dev/null
+<?php
+
+namespace Drupal\Tests\paragraphs\FunctionalJavascript;
+
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
+use Drupal\Core\Entity\Entity\EntityViewDisplay;
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\file\Entity\File;
+use Drupal\node\Entity\NodeType;
+use Drupal\paragraphs\Entity\ParagraphsType;
+use Drupal\Tests\TestFileCreationTrait;
+
+/**
+ * Test trait for Paragraphs JS tests.
+ */
+trait ParagraphsTestBaseTrait {
+
+ use TestFileCreationTrait;
+
+ /**
+ * Adds a content type with a Paragraphs field.
+ *
+ * @param string $content_type_name
+ * Content type name to be used.
+ * @param string $paragraphs_field_name
+ * (optional) Field name to be used. Defaults to 'field_paragraphs'.
+ * @param string $widget_type
+ * (optional) Declares if we use experimental or classic widget.
+ * Defaults to 'paragraphs' for experimental widget.
+ * Use 'entity_reference_paragraphs' for classic widget.
+ */
+ protected function addParagraphedContentType($content_type_name, $paragraphs_field_name = 'field_paragraphs', $widget_type = 'paragraphs') {
+ // Create the content type.
+ $node_type = NodeType::create([
+ 'type' => $content_type_name,
+ 'name' => $content_type_name,
+ ]);
+ $node_type->save();
+
+ $this->addParagraphsField($content_type_name, $paragraphs_field_name, 'node', $widget_type);
+ }
+
+ /**
+ * Adds a Paragraphs field to a given entity type.
+ *
+ * @param string $entity_type_name
+ * Entity type name to be used.
+ * @param string $paragraphs_field_name
+ * Paragraphs field name to be used.
+ * @param string $entity_type
+ * Entity type where to add the field.
+ * @param string $widget_type
+ * (optional) Declares if we use experimental or classic widget.
+ * Defaults to 'paragraphs' for experimental widget.
+ * Use 'entity_reference_paragraphs' for classic widget.
+ */
+ protected function addParagraphsField($entity_type_name, $paragraphs_field_name, $entity_type, $widget_type = 'paragraphs') {
+ $field_storage = FieldStorageConfig::loadByName($entity_type, $paragraphs_field_name);
+ if (!$field_storage) {
+ // Add a paragraphs field.
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => $paragraphs_field_name,
+ 'entity_type' => $entity_type,
+ 'type' => 'entity_reference_revisions',
+ 'cardinality' => '-1',
+ 'settings' => [
+ 'target_type' => 'paragraph',
+ ],
+ ]);
+ $field_storage->save();
+ }
+ $field = FieldConfig::create([
+ 'field_storage' => $field_storage,
+ 'bundle' => $entity_type_name,
+ 'settings' => [
+ 'handler' => 'default:paragraph',
+ 'handler_settings' => ['target_bundles' => NULL],
+ ],
+ ]);
+ $field->save();
+
+ $form_display = entity_get_form_display($entity_type, $entity_type_name, 'default')
+ ->setComponent($paragraphs_field_name, ['type' => $widget_type]);
+ $form_display->save();
+
+ $view_display = entity_get_display($entity_type, $entity_type_name, 'default')
+ ->setComponent($paragraphs_field_name, ['type' => 'entity_reference_revisions_entity_view']);
+ $view_display->save();
+ }
+
+ /**
+ * Adds a Paragraphs type.
+ *
+ * @param string $paragraphs_type_name
+ * Paragraph type name used to create.
+ */
+ protected function addParagraphsType($paragraphs_type_name) {
+ $paragraphs_type = ParagraphsType::create([
+ 'id' => $paragraphs_type_name,
+ 'label' => $paragraphs_type_name,
+ ]);
+ $paragraphs_type->save();
+ }
+
+ /**
+ * Adds an icon to a paragraphs type.
+ *
+ * @param string $paragraphs_type
+ * Machine name of the paragraph type to add the icon to.
+ *
+ * @return \Drupal\file\Entity\File
+ * The file entity used as the icon.
+ */
+ protected function addParagraphsTypeIcon($paragraphs_type) {
+ // Get an image.
+ $image_files = $this->getTestFiles('image');
+ $uri = current($image_files)->uri;
+
+ // Create a copy of the image, so that multiple file entities don't
+ // reference the same file.
+ $copy_uri = file_unmanaged_copy($uri);
+
+ // Create a new file entity.
+ $file_entity = File::create([
+ 'uri' => $copy_uri,
+ ]);
+ $file_entity->save();
+
+ // Add the file entity to the paragraphs type as its icon.
+ $paragraphs_type_entity = ParagraphsType::load($paragraphs_type);
+ $paragraphs_type_entity->set('icon_uuid', $file_entity->uuid());
+ $paragraphs_type_entity->save();
+
+ return $file_entity;
+ }
+
+ /**
+ * Adds a field to a given paragraph type.
+ *
+ * @param string $paragraph_type_id
+ * Paragraph type ID to be used.
+ * @param string $field_name
+ * Field name to be used.
+ * @param string $field_type
+ * Type of the field.
+ * @param array $storage_settings
+ * Settings for the field storage.
+ */
+ protected function addFieldtoParagraphType($paragraph_type_id, $field_name, $field_type, array $storage_settings = []) {
+ // Add a paragraphs field.
+ $field_storage = FieldStorageConfig::create([
+ 'field_name' => $field_name,
+ 'entity_type' => 'paragraph',
+ 'type' => $field_type,
+ 'cardinality' => 1,
+ 'settings' => $storage_settings,
+ ]);
+ $field_storage->save();
+ $field = FieldConfig::create([
+ 'field_storage' => $field_storage,
+ 'bundle' => $paragraph_type_id,
+ 'settings' => [],
+ ]);
+ $field->save();
+
+ $field_type_definition = \Drupal::service('plugin.manager.field.field_type')->getDefinition($field_type);
+
+ entity_get_form_display('paragraph', $paragraph_type_id, 'default')
+ ->setComponent($field_name, ['type' => $field_type_definition['default_widget']])
+ ->save();
+
+ entity_get_display('paragraph', $paragraph_type_id, 'default')
+ ->setComponent($field_name, ['type' => $field_type_definition['default_formatter']])
+ ->save();
+ }
+
+ /**
+ * Sets some of the settings of a paragraphs field widget.
+ *
+ * @param string $bundle
+ * Machine name of the bundle (e.g., a content type for nodes, a paragraphs
+ * type for paragraphs, etc.) with a paragraphs field.
+ * @param string $paragraphs_field
+ * Machine name of the paragraphs field whose widget (settings) to change.
+ * @param array $settings
+ * New setting values keyed by names of settings that are to be set.
+ * @param string|null $field_widget
+ * (optional) Machine name of the paragraphs field widget to use. NULL to
+ * keep the current widget.
+ * @param string $entity_type
+ * (optional) Machine name of the content entity type that the bundle
+ * belongs to. Defaults to "node".
+ */
+ protected function setParagraphsWidgetSettings($bundle, $paragraphs_field, array $settings, $field_widget = NULL, $entity_type = 'node') {
+ /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $default_form_display */
+ $default_form_display = \Drupal::entityTypeManager()
+ ->getStorage('entity_form_display')
+ ->load($entity_type . '.' . $bundle . '.default');
+ $component = $default_form_display->getComponent($paragraphs_field);
+
+ $updated_component = $component;
+ if ($field_widget === NULL || $field_widget === $component['type']) {
+ // The widget stays the same.
+ $updated_component['settings'] = $settings + $component['settings'];
+ }
+ else {
+ // Change the widget.
+ $updated_component['type'] = $field_widget;
+
+ $widget_definition = \Drupal::service('plugin.manager.field.widget')
+ ->getDefinition($field_widget);
+ /** @var \Drupal\Core\Field\WidgetInterface $class */
+ $class = $widget_definition['class'];
+ $default_settings = $class::defaultSettings();
+
+ $updated_component['settings'] = $settings + $default_settings;
+ }
+
+ $default_form_display->setComponent($paragraphs_field, $updated_component)
+ ->save();
+ }
+
+}
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