+++ /dev/null
-<?php
-
-namespace Drupal\paragraphs\Plugin\Field\FieldWidget;
-
-use Drupal\Component\Utility\NestedArray;
-use Drupal\Component\Utility\Html;
-use Drupal\Core\Entity\ContentEntityInterface;
-use Drupal\Core\Entity\Entity\EntityFormDisplay;
-use Drupal\Core\Entity\FieldableEntityInterface;
-use Drupal\Core\Field\FieldDefinitionInterface;
-use Drupal\Core\Field\FieldFilteredMarkup;
-use Drupal\Core\Field\FieldStorageDefinitionInterface;
-use Drupal\Core\Field\WidgetBase;
-use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Field\FieldItemListInterface;
-use Drupal\Core\Form\SubformState;
-use Drupal\Core\Render\Element;
-use Drupal\paragraphs\ParagraphInterface;
-use Drupal\paragraphs\Plugin\EntityReferenceSelection\ParagraphSelection;
-use Symfony\Component\Validator\ConstraintViolationListInterface;
-
-/**
- * Plugin implementation of the 'entity_reference_revisions paragraphs' widget.
- *
- * @FieldWidget(
- * id = "paragraphs",
- * label = @Translation("Paragraphs EXPERIMENTAL"),
- * description = @Translation("An experimental paragraphs inline form widget."),
- * field_types = {
- * "entity_reference_revisions"
- * }
- * )
- */
-class ParagraphsWidget extends WidgetBase {
-
- /**
- * Action position is in the add paragraphs place.
- */
- const ACTION_POSITION_BASE = 1;
-
- /**
- * Action position is in the table header section.
- */
- const ACTION_POSITION_HEADER = 2;
-
- /**
- * Action position is in the actions section of the widget.
- */
- const ACTION_POSITION_ACTIONS = 3;
-
- /**
- * Indicates whether the current widget instance is in translation.
- *
- * @var bool
- */
- protected $isTranslating;
-
- /**
- * Id to name ajax buttons that includes field parents and field name.
- *
- * @var string
- */
- protected $fieldIdPrefix;
-
- /**
- * Wrapper id to identify the paragraphs.
- *
- * @var string
- */
- protected $fieldWrapperId;
-
- /**
- * Number of paragraphs item on form.
- *
- * @var int
- */
- protected $realItemCount;
-
- /**
- * Parents for the current paragraph.
- *
- * @var array
- */
- protected $fieldParents;
-
- /**
- * Accessible paragraphs types.
- *
- * @var array
- */
- protected $accessOptions = NULL;
-
- /**
- * Constructs a ParagraphsWidget object.
- *
- * @param string $plugin_id
- * The plugin_id for the widget.
- * @param mixed $plugin_definition
- * The plugin implementation definition.
- * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
- * The definition of the field to which the widget is associated.
- * @param array $settings
- * The widget settings.
- * @param array $third_party_settings
- * Any third party settings.
- */
- public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings) {
- // Modify settings that were set before https://www.drupal.org/node/2896115.
- if(isset($settings['edit_mode']) && $settings['edit_mode'] === 'preview') {
- $settings['edit_mode'] = 'closed';
- $settings['closed_mode'] = 'preview';
- }
-
- parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
- }
-
- /**
- * {@inheritdoc}
- */
- public static function defaultSettings() {
- return array(
- 'title' => t('Paragraph'),
- 'title_plural' => t('Paragraphs'),
- 'edit_mode' => 'open',
- 'closed_mode' => 'summary',
- 'autocollapse' => 'none',
- 'add_mode' => 'dropdown',
- 'form_display_mode' => 'default',
- 'default_paragraph_type' => '',
- );
- }
-
- /**
- * {@inheritdoc}
- */
- public function settingsForm(array $form, FormStateInterface $form_state) {
- $elements = array();
-
- $elements['title'] = array(
- '#type' => 'textfield',
- '#title' => $this->t('Paragraph Title'),
- '#description' => $this->t('Label to appear as title on the button as "Add new [title]", this label is translatable'),
- '#default_value' => $this->getSetting('title'),
- '#required' => TRUE,
- );
-
- $elements['title_plural'] = array(
- '#type' => 'textfield',
- '#title' => $this->t('Plural Paragraph Title'),
- '#description' => $this->t('Title in its plural form.'),
- '#default_value' => $this->getSetting('title_plural'),
- '#required' => TRUE,
- );
-
- $elements['edit_mode'] = array(
- '#type' => 'select',
- '#title' => $this->t('Edit mode'),
- '#description' => $this->t('The mode the paragraph is in by default.'),
- '#options' => $this->getSettingOptions('edit_mode'),
- '#default_value' => $this->getSetting('edit_mode'),
- '#required' => TRUE,
- );
-
- $elements['closed_mode'] = [
- '#type' => 'select',
- '#title' => $this->t('Closed mode'),
- '#description' => $this->t('How to display the paragraphs, when the widget is closed. Preview will render the paragraph in the preview view mode and typically needs a custom admin theme.'),
- '#options' => $this->getSettingOptions('closed_mode'),
- '#default_value' => $this->getSetting('closed_mode'),
- '#required' => TRUE,
- ];
-
- $elements['autocollapse'] = [
- '#type' => 'select',
- '#title' => $this->t('Autocollapse'),
- '#description' => $this->t('When a paragraph is opened for editing, close others.'),
- '#options' => $this->getSettingOptions('autocollapse'),
- '#default_value' => $this->getSetting('autocollapse'),
- '#required' => TRUE,
- ];
-
- $elements['add_mode'] = array(
- '#type' => 'select',
- '#title' => $this->t('Add mode'),
- '#description' => $this->t('The way to add new Paragraphs.'),
- '#options' => $this->getSettingOptions('add_mode'),
- '#default_value' => $this->getSetting('add_mode'),
- '#required' => TRUE,
- );
-
- $elements['form_display_mode'] = array(
- '#type' => 'select',
- '#options' => \Drupal::service('entity_display.repository')->getFormModeOptions($this->getFieldSetting('target_type')),
- '#description' => $this->t('The form display mode to use when rendering the paragraph form.'),
- '#title' => $this->t('Form display mode'),
- '#default_value' => $this->getSetting('form_display_mode'),
- '#required' => TRUE,
- );
-
- $options = [];
- foreach ($this->getAllowedTypes() as $key => $bundle) {
- $options[$key] = $bundle['label'];
- }
-
- $elements['default_paragraph_type'] = [
- '#type' => 'select',
- '#title' => $this->t('Default paragraph type'),
- '#empty_value' => '_none',
- '#default_value' => $this->getDefaultParagraphTypeMachineName(),
- '#options' => $options,
- '#description' => $this->t('When creating a new host entity, a paragraph of this type is added.'),
- ];
-
- return $elements;
- }
-
- /**
- * Returns select options for a plugin setting.
- *
- * This is done to allow
- * \Drupal\paragraphs\Plugin\Field\FieldWidget\ParagraphsWidget::settingsSummary()
- * to access option labels. Not all plugin setting are available.
- *
- * @param string $setting_name
- * The name of the widget setting. Supported settings:
- * - "edit_mode"
- * - "closed_mode"
- * - "autocollapse"
- * - "add_mode"
- *
- * @return array|null
- * An array of setting option usable as a value for a "#options" key.
- */
- protected function getSettingOptions($setting_name) {
- switch($setting_name) {
- case 'edit_mode':
- $options = [
- 'open' => $this->t('Open'),
- 'closed' => $this->t('Closed'),
- ];
- break;
- case 'closed_mode':
- $options = [
- 'summary' => $this->t('Summary'),
- 'preview' => $this->t('Preview'),
- ];
- break;
- case 'autocollapse':
- $options = [
- 'none' => $this->t('None'),
- 'all' => $this->t('All'),
- ];
- break;
- case 'add_mode':
- $options = [
- 'select' => $this->t('Select list'),
- 'button' => $this->t('Buttons'),
- 'dropdown' => $this->t('Dropdown button'),
- 'modal' => $this->t('Modal form'),
- ];
- break;
- }
-
- return isset($options) ? $options : NULL;
- }
-
- /**
- * {@inheritdoc}
- */
- public function settingsSummary() {
- $summary = array();
- $summary[] = $this->t('Title: @title', ['@title' => $this->getSetting('title')]);
- $summary[] = $this->t('Plural title: @title_plural', [
- '@title_plural' => $this->getSetting('title_plural')
- ]);
-
- $edit_mode = $this->getSettingOptions('edit_mode')[$this->getSetting('edit_mode')];
- $closed_mode = $this->getSettingOptions('closed_mode')[$this->getSetting('closed_mode')];
- $autocollapse = $this->getSettingOptions('autocollapse')[$this->getSetting('autocollapse')];
- $add_mode = $this->getSettingOptions('add_mode')[$this->getSetting('add_mode')];
-
- $summary[] = $this->t('Edit mode: @edit_mode', ['@edit_mode' => $edit_mode]);
- $summary[] = $this->t('Closed mode: @closed_mode', ['@closed_mode' => $closed_mode]);
- $summary[] = $this->t('Autocollapse: @autocollapse', ['@autocollapse' => $autocollapse]);
- $summary[] = $this->t('Add mode: @add_mode', ['@add_mode' => $add_mode]);
-
- $summary[] = $this->t('Form display mode: @form_display_mode', [
- '@form_display_mode' => $this->getSetting('form_display_mode')
- ]);
- if ($this->getDefaultParagraphTypeLabelName() !== NULL) {
- $summary[] = $this->t('Default paragraph type: @default_paragraph_type', [
- '@default_paragraph_type' => $this->getDefaultParagraphTypeLabelName()
- ]);
- }
-
- return $summary;
- }
-
- /**
- * {@inheritdoc}
- *
- * @see \Drupal\content_translation\Controller\ContentTranslationController::prepareTranslation()
- * Uses a similar approach to populate a new translation.
- */
- public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
- $field_name = $this->fieldDefinition->getName();
- $parents = $element['#field_parents'];
- $info = [];
-
- /** @var \Drupal\paragraphs\Entity\Paragraph $paragraphs_entity */
- $paragraphs_entity = NULL;
- $host = $items->getEntity();
- $widget_state = static::getWidgetState($parents, $field_name, $form_state);
-
- $entity_type_manager = \Drupal::entityTypeManager();
- $target_type = $this->getFieldSetting('target_type');
-
- $item_mode = isset($widget_state['paragraphs'][$delta]['mode']) ? $widget_state['paragraphs'][$delta]['mode'] : 'edit';
- $default_edit_mode = $this->getSetting('edit_mode');
-
- $closed_mode_setting = isset($widget_state['closed_mode']) ? $widget_state['closed_mode'] : $this->getSetting('closed_mode');
- $autocollapse_setting = isset($widget_state['autocollapse']) ? $widget_state['autocollapse'] : $this->getSetting('autocollapse');
-
- $show_must_be_saved_warning = !empty($widget_state['paragraphs'][$delta]['show_warning']);
-
- if (isset($widget_state['paragraphs'][$delta]['entity'])) {
- $paragraphs_entity = $widget_state['paragraphs'][$delta]['entity'];
- }
- elseif (isset($items[$delta]->entity)) {
- $paragraphs_entity = $items[$delta]->entity;
-
- // We don't have a widget state yet, get from selector settings.
- if (!isset($widget_state['paragraphs'][$delta]['mode'])) {
-
- if ($default_edit_mode == 'open') {
- $item_mode = 'edit';
- }
- elseif ($default_edit_mode == 'closed') {
- $item_mode = 'closed';
- }
- }
- }
- elseif (isset($widget_state['selected_bundle'])) {
-
- $entity_type = $entity_type_manager->getDefinition($target_type);
- $bundle_key = $entity_type->getKey('bundle');
-
- $paragraphs_entity = $entity_type_manager->getStorage($target_type)->create(array(
- $bundle_key => $widget_state['selected_bundle'],
- ));
-
- $item_mode = 'edit';
- }
-
- if ($item_mode == 'closed') {
- // Validate closed paragraphs and expand if needed.
- // @todo Consider recursion.
- $violations = $paragraphs_entity->validate();
- $violations->filterByFieldAccess();
- if (count($violations) > 0) {
- $item_mode = 'edit';
- $messages = [];
- foreach ($violations as $violation) {
- $messages[] = $violation->getMessage();
- }
- $info['validation_error'] = $this->createMessage($this->t('@messages', ['@messages' => strip_tags(implode('\n', $messages))]));
- }
- }
-
- if ($paragraphs_entity) {
- // Detect if we are translating.
- $this->initIsTranslating($form_state, $host);
- $langcode = $form_state->get('langcode');
-
- if (!$this->isTranslating) {
- // Set the langcode if we are not translating.
- $langcode_key = $paragraphs_entity->getEntityType()->getKey('langcode');
- if ($paragraphs_entity->get($langcode_key)->value != $langcode) {
- // If a translation in the given language already exists, switch to
- // that. If there is none yet, update the language.
- if ($paragraphs_entity->hasTranslation($langcode)) {
- $paragraphs_entity = $paragraphs_entity->getTranslation($langcode);
- }
- else {
- $paragraphs_entity->set($langcode_key, $langcode);
- }
- }
- }
- else {
- // Add translation if missing for the target language.
- if (!$paragraphs_entity->hasTranslation($langcode)) {
- // Get the selected translation of the paragraph entity.
- $entity_langcode = $paragraphs_entity->language()->getId();
- $source = $form_state->get(['content_translation', 'source']);
- $source_langcode = $source ? $source->getId() : $entity_langcode;
- // Make sure the source language version is used if available. It is a
- // the host and fetching the translation without this check could lead
- // valid scenario to have no paragraphs items in the source version of
- // to an exception.
- if ($paragraphs_entity->hasTranslation($source_langcode)) {
- $paragraphs_entity = $paragraphs_entity->getTranslation($source_langcode);
- }
- // The paragraphs entity has no content translation source field if
- // no paragraph entity field is translatable, even if the host is.
- if ($paragraphs_entity->hasField('content_translation_source')) {
- // Initialise the translation with source language values.
- $paragraphs_entity->addTranslation($langcode, $paragraphs_entity->toArray());
- $translation = $paragraphs_entity->getTranslation($langcode);
- $manager = \Drupal::service('content_translation.manager');
- $manager->getTranslationMetadata($translation)->setSource($paragraphs_entity->language()->getId());
- }
- }
- // If any paragraphs type is translatable do not switch.
- if ($paragraphs_entity->hasField('content_translation_source')) {
- // Switch the paragraph to the translation.
- $paragraphs_entity = $paragraphs_entity->getTranslation($langcode);
- }
- }
-
- $element_parents = $parents;
- $element_parents[] = $field_name;
- $element_parents[] = $delta;
- $element_parents[] = 'subform';
-
- $id_prefix = implode('-', array_merge($parents, array($field_name, $delta)));
- $wrapper_id = Html::getUniqueId($id_prefix . '-item-wrapper');
-
- $element += array(
- '#type' => 'container',
- '#element_validate' => array(array($this, 'elementValidate')),
- 'subform' => array(
- '#type' => 'container',
- '#parents' => $element_parents,
- ),
- );
-
- $element['#prefix'] = '<div id="' . $wrapper_id . '">';
- $element['#suffix'] = '</div>';
-
- $item_bundles = \Drupal::service('entity_type.bundle.info')->getBundleInfo($target_type);
- if (isset($item_bundles[$paragraphs_entity->bundle()])) {
- $bundle_info = $item_bundles[$paragraphs_entity->bundle()];
-
- // Create top section structure with all needed subsections.
- $element['top'] = [
- '#type' => 'container',
- '#weight' => -1000,
- '#attributes' => ['class' => ['paragraph-type-top']],
- // Section for paragraph type information.
- 'type' => [
- '#type' => 'container',
- '#attributes' => ['class' => ['paragraph-type-title']],
- 'label' => ['#markup' => $bundle_info['label']],
- ],
- // Section for information icons.
- 'info' => [
- '#type' => 'container',
- '#attributes' => ['class' => ['paragraph-type-info']],
- ],
- 'summary' => [
- '#type' => 'container',
- '#attributes' => ['class' => ['paragraph-type-summary']],
- ],
- // Paragraphs actions element for actions and dropdown actions.
- 'actions' => [
- '#type' => 'paragraphs_actions',
- ],
- ];
-
- // Type icon and label bundle.
- if ($icon_url = $paragraphs_entity->type->entity->getIconUrl()) {
- $element['top']['type']['icon'] = [
- '#theme' => 'image',
- '#uri' => $icon_url,
- '#attributes' => [
- 'class' => ['paragraph-type-icon'],
- 'title' => $bundle_info['label'],
- ],
- '#weight' => 0,
- // We set inline height and width so icon don't resize on first load
- // while CSS is still not loaded.
- '#height' => 16,
- '#width' => 16,
- ];
- }
- $element['top']['type']['label'] = [
- '#markup' => '<span class="paragraph-type-label">' . $bundle_info['label'] . '</span>',
- '#weight' => 1,
- ];
-
- // Widget actions.
- $widget_actions = [
- 'actions' => [],
- 'dropdown_actions' => [],
- ];
-
- $widget_actions['dropdown_actions']['duplicate_button'] = [
- '#type' => 'submit',
- '#value' => $this->t('Duplicate'),
- '#name' => $id_prefix . '_duplicate',
- '#weight' => 502,
- '#submit' => [[get_class($this), 'duplicateSubmit']],
- '#limit_validation_errors' => [array_merge($parents, [$field_name, 'add_more'])],
- '#delta' => $delta,
- '#ajax' => [
- 'callback' => [get_class($this), 'itemAjax'],
- 'wrapper' => $widget_state['ajax_wrapper_id'],
- ],
- '#access' => $paragraphs_entity->access('update'),
- ];
-
- if ($item_mode != 'remove') {
- $widget_actions['dropdown_actions']['remove_button'] = [
- '#type' => 'submit',
- '#value' => $this->t('Remove'),
- '#name' => $id_prefix . '_remove',
- '#weight' => 501,
- '#submit' => [[get_class($this), 'paragraphsItemSubmit']],
- '#limit_validation_errors' => [array_merge($parents, [$field_name, 'add_more'])],
- '#delta' => $delta,
- '#ajax' => [
- 'callback' => array(get_class($this), 'itemAjax'),
- 'wrapper' => $widget_state['ajax_wrapper_id'],
- ],
- // Hide the button when translating.
- '#access' => $paragraphs_entity->access('delete') && !$this->isTranslating,
- '#paragraphs_mode' => 'remove',
- ];
- }
-
- if ($item_mode == 'edit') {
- if (isset($paragraphs_entity)) {
- $widget_actions['actions']['collapse_button'] = [
- '#value' => $this->t('Collapse'),
- '#name' => $id_prefix . '_collapse',
- '#weight' => 1,
- '#submit' => [[get_class($this), 'paragraphsItemSubmit']],
- '#limit_validation_errors' => [array_merge($parents, [$field_name, 'add_more'])],
- '#delta' => $delta,
- '#ajax' => [
- 'callback' => [get_class($this), 'itemAjax'],
- 'wrapper' => $widget_state['ajax_wrapper_id'],
- ],
- '#access' => $paragraphs_entity->access('update'),
- '#paragraphs_mode' => 'closed',
- '#paragraphs_show_warning' => TRUE,
- '#attributes' => [
- 'class' => ['paragraphs-icon-button', 'paragraphs-icon-button-collapse'],
- 'title' => $this->t('Collapse'),
- ],
- ];
- }
- }
- else {
- $widget_actions['actions']['edit_button'] = $this->expandButton([
- '#type' => 'submit',
- '#value' => $this->t('Edit'),
- '#name' => $id_prefix . '_edit',
- '#weight' => 1,
- '#attributes' => ['class' => ['paragraphs-button']],
- '#submit' => [[get_class($this), 'paragraphsItemSubmit']],
- '#limit_validation_errors' => [
- array_merge($parents, [$field_name, 'add_more']),
- ],
- '#delta' => $delta,
- '#ajax' => [
- 'callback' => [get_class($this), 'itemAjax'],
- 'wrapper' => $widget_state['ajax_wrapper_id'],
- ],
- '#access' => $paragraphs_entity->access('update'),
- '#paragraphs_mode' => 'edit',
- '#attributes' => [
- 'class' => ['paragraphs-icon-button', 'paragraphs-icon-button-edit'],
- 'title' => $this->t('Edit'),
- ],
- ]);
-
- if ($show_must_be_saved_warning && $paragraphs_entity->isChanged()) {
- $info['changed'] = [
- '#theme' => 'paragraphs_info_icon',
- '#message' => $this->t('You have unsaved changes on this @title item.', ['@title' => $this->getSetting('title')]),
- '#icon' => 'changed',
- ];
- }
-
- if (!$paragraphs_entity->access('view')) {
- $info['preview'] = [
- '#theme' => 'paragraphs_info_icon',
- '#message' => $this->t('You are not allowed to view this @title.', array('@title' => $this->getSetting('title'))),
- '#icon' => 'view',
- ];
- }
- }
-
- // If update is disabled we will show lock icon in actions section.
- if (!$paragraphs_entity->access('update')) {
- $widget_actions['actions']['edit_disabled'] = [
- '#theme' => 'paragraphs_info_icon',
- '#message' => $this->t('You are not allowed to edit or remove this @title.', ['@title' => $this->getSetting('title')]),
- '#icon' => 'lock',
- '#weight' => 1,
- ];
- }
-
- if (!$paragraphs_entity->access('update') && !$paragraphs_entity->access('delete')) {
- $info['edit'] = [
- '#theme' => 'paragraphs_info_icon',
- '#message' => $this->t('You are not allowed to edit or remove this @title.', ['@title' => $this->getSetting('title')]),
- '#icon' => 'lock',
- ];
- }
- elseif (!$paragraphs_entity->access('update')) {
- $info['edit'] = [
- '#theme' => 'paragraphs_info_icon',
- '#message' => $this->t('You are not allowed to edit this @title.', ['@title' => $this->getSetting('title')]),
- '#icon' => 'edit-disabled',
- ];
- }
- elseif (!$paragraphs_entity->access('delete')) {
- $info['remove'] = [
- '#theme' => 'paragraphs_info_icon',
- '#message' => $this->t('You are not allowed to remove this @title.', ['@title' => $this->getSetting('title')]),
- '#icon' => 'delete-disabled',
- ];
- }
-
- $context = [
- 'form' => $form,
- 'widget' => self::getWidgetState($parents, $field_name, $form_state, $widget_state),
- 'items' => $items,
- 'delta' => $delta,
- 'element' => $element,
- 'form_state' => $form_state,
- 'paragraphs_entity' => $paragraphs_entity,
- ];
-
- // Allow modules to alter widget actions.
- \Drupal::moduleHandler()->alter('paragraphs_widget_actions', $widget_actions, $context);
-
- if (count($widget_actions['actions'])) {
- // Expand all actions to proper submit elements and add it to top
- // actions sub component.
- $element['top']['actions']['actions'] = array_map([$this, 'expandButton'], $widget_actions['actions']);
- }
-
- if (count($widget_actions['dropdown_actions'])) {
- // Expand all dropdown actions to proper submit elements and add
- // them to top dropdown actions sub component.
- $element['top']['actions']['dropdown_actions'] = array_map([$this, 'expandButton'], $widget_actions['dropdown_actions']);
- }
-
- if (count($info)) {
- foreach ($info as $info_item) {
- if (!isset($info_item['#access']) || $info_item['#access']) {
- $element['top']['info']['items'] = $info;
- break;
- }
- }
- }
- }
-
- $display = EntityFormDisplay::collectRenderDisplay($paragraphs_entity, $this->getSetting('form_display_mode'));
-
- // @todo Remove as part of https://www.drupal.org/node/2640056
- if (\Drupal::moduleHandler()->moduleExists('field_group')) {
- $context = [
- 'entity_type' => $paragraphs_entity->getEntityTypeId(),
- 'bundle' => $paragraphs_entity->bundle(),
- 'entity' => $paragraphs_entity,
- 'context' => 'form',
- 'display_context' => 'form',
- 'mode' => $display->getMode(),
- ];
-
- field_group_attach_groups($element['subform'], $context);
- $element['subform']['#pre_render'][] = 'field_group_form_pre_render';
- }
-
- if ($item_mode == 'edit') {
- $display->buildForm($paragraphs_entity, $element['subform'], $form_state);
- // Get the field definitions of the paragraphs_entity.
- // We need them to filter out entity reference revisions fields that
- // reference paragraphs, cause otherwise we have problems with showing
- // and hiding the right fields in nested paragraphs.
- $field_definitions = $paragraphs_entity->getFieldDefinitions();
-
- foreach (Element::children($element['subform']) as $field) {
- // Do a check if we have to add a class to the form element. We need
- // those classes (paragraphs-content and paragraphs-behavior) to show
- // and hide elements, depending of the active perspective.
- $omit_class = FALSE;
- if (isset($field_definitions[$field])) {
- $type = $field_definitions[$field]->getType();
- if ($type == 'entity_reference_revisions') {
- // Check if we are referencing paragraphs.
- $target_entity_type = $field_definitions[$field]->get('entity_type');
- if ($target_entity_type && $target_entity_type == 'paragraph') {
- $omit_class = TRUE;
- }
- }
- }
-
- if ($paragraphs_entity->hasField($field)) {
- if (!$omit_class) {
- $element['subform'][$field]['#attributes']['class'][] = 'paragraphs-content';
- }
- $translatable = $paragraphs_entity->{$field}->getFieldDefinition()->isTranslatable();
- if ($translatable) {
- $element['subform'][$field]['widget']['#after_build'][] = [
- static::class,
- 'removeTranslatabilityClue',
- ];
- }
- }
- }
-
- // Build the behavior plugins fields.
- $paragraphs_type = $paragraphs_entity->getParagraphType();
- if ($paragraphs_type && \Drupal::currentUser()->hasPermission('edit behavior plugin settings')) {
- $element['behavior_plugins']['#weight'] = -99;
- foreach ($paragraphs_type->getEnabledBehaviorPlugins() as $plugin_id => $plugin) {
- $element['behavior_plugins'][$plugin_id] = [
- '#type' => 'container',
- '#group' => implode('][', array_merge($element_parents, ['paragraph_behavior'])),
- ];
- $subform_state = SubformState::createForSubform($element['behavior_plugins'][$plugin_id], $form, $form_state);
- if ($plugin_form = $plugin->buildBehaviorForm($paragraphs_entity, $element['behavior_plugins'][$plugin_id], $subform_state)) {
- $element['behavior_plugins'][$plugin_id] = $plugin_form;
- // Add the paragraphs-behavior class, so that we are able to show
- // and hide behavior fields, depending on the active perspective.
- $element['behavior_plugins'][$plugin_id]['#attributes']['class'][] = 'paragraphs-behavior';
- }
- }
- }
- }
- elseif ($item_mode == 'closed') {
- $element['subform'] = [];
- $element['behavior_plugins'] = [];
- if ($closed_mode_setting === 'preview') {
- // The closed paragraph is displayed as a rendered preview.
- $view_builder = $entity_type_manager->getViewBuilder('paragraph');
-
- $element['preview'] = $view_builder->view($paragraphs_entity, 'preview', $paragraphs_entity->language()->getId());
- $element['preview']['#access'] = $paragraphs_entity->access('view');
- }
- else {
- // The closed paragraph is displayed as a summary.
- if ($paragraphs_entity) {
- $summary = $paragraphs_entity->getSummary();
- if (!empty($summary)) {
- $element['top']['summary']['fields_info'] = [
- '#markup' => $summary,
- '#prefix' => '<div class="paragraphs-collapsed-description">',
- '#suffix' => '</div>',
- '#access' => $paragraphs_entity->access('view'),
- ];
- }
- }
- }
- }
- else {
- $element['subform'] = array();
- }
-
- $element['subform']['#attributes']['class'][] = 'paragraphs-subform';
- $element['subform']['#access'] = $paragraphs_entity->access('update');
-
- if ($item_mode == 'remove') {
- $element['#access'] = FALSE;
- }
-
- $widget_state['paragraphs'][$delta]['entity'] = $paragraphs_entity;
- $widget_state['paragraphs'][$delta]['display'] = $display;
- $widget_state['paragraphs'][$delta]['mode'] = $item_mode;
- $widget_state['closed_mode'] = $closed_mode_setting;
- $widget_state['autocollapse'] = $autocollapse_setting;
-
- static::setWidgetState($parents, $field_name, $form_state, $widget_state);
- }
- else {
- $element['#access'] = FALSE;
- }
-
- return $element;
- }
-
- /**
- * Builds an add paragraph button for opening of modal form.
- *
- * @param array $element
- * Render element.
- */
- protected function buildModalAddForm(array &$element) {
- // Attach the theme for the dialog template.
- $element['#theme'] = 'paragraphs_add_dialog';
-
- $element['add_modal_form_area'] = [
- '#type' => 'container',
- '#attributes' => [
- 'class' => [
- 'paragraph-type-add-modal',
- 'first-button',
- ],
- ],
- '#access' => !$this->isTranslating,
- '#weight' => -2000,
- ];
-
- $element['add_modal_form_area']['add_more'] = [
- '#type' => 'submit',
- '#value' => $this->t('Add @title', ['@title' => $this->getSetting('title')]),
- '#name' => 'button_add_modal',
- '#attributes' => [
- 'class' => [
- 'paragraph-type-add-modal-button',
- 'js-show',
- ],
- ],
- ];
-
- $element['#attached']['library'][] = 'paragraphs/drupal.paragraphs.modal';
- }
-
- /**
- * Returns the sorted allowed types for a entity reference field.
- *
- * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
- * (optional) The field definition forwhich the allowed types should be
- * returned, defaults to the current field.
- *
- * @return array
- * A list of arrays keyed by the paragraph type machine name with the following properties.
- * - label: The label of the paragraph type.
- * - weight: The weight of the paragraph type.
- */
- public function getAllowedTypes(FieldDefinitionInterface $field_definition = NULL) {
-
- $return_bundles = array();
- /** @var \Drupal\Core\Entity\EntityReferenceSelection\SelectionPluginManagerInterface $selection_manager */
- $selection_manager = \Drupal::service('plugin.manager.entity_reference_selection');
- $handler = $selection_manager->getSelectionHandler($field_definition ?: $this->fieldDefinition);
- if ($handler instanceof ParagraphSelection) {
- $return_bundles = $handler->getSortedAllowedTypes();
- }
- // Support for other reference types.
- else {
- $bundles = \Drupal::service('entity_type.bundle.info')->getBundleInfo($field_definition ? $field_definition->getSetting('target_type') : $this->fieldDefinition->getSetting('target_type'));
- $weight = 0;
- foreach ($bundles as $machine_name => $bundle) {
- if (!count($this->getSelectionHandlerSetting('target_bundles'))
- || in_array($machine_name, $this->getSelectionHandlerSetting('target_bundles'))) {
-
- $return_bundles[$machine_name] = array(
- 'label' => $bundle['label'],
- 'weight' => $weight,
- );
-
- $weight++;
- }
- }
- }
-
-
- return $return_bundles;
- }
-
- /**
- * {@inheritdoc}
- */
- public function formMultipleElements(FieldItemListInterface $items, array &$form, FormStateInterface $form_state) {
- $field_name = $this->fieldDefinition->getName();
- $cardinality = $this->fieldDefinition->getFieldStorageDefinition()->getCardinality();
- $this->fieldParents = $form['#parents'];
- $field_state = static::getWidgetState($this->fieldParents, $field_name, $form_state);
-
- $max = $field_state['items_count'];
- $entity_type_manager = \Drupal::entityTypeManager();
-
- // Consider adding a default paragraph for new host entities.
- if ($max == 0 && $items->getEntity()->isNew()) {
- $default_type = $this->getDefaultParagraphTypeMachineName();
-
- // Checking if default_type is not none and if is allowed.
- if ($default_type) {
- // Place the default paragraph.
- $target_type = $this->getFieldSetting('target_type');
- $paragraphs_entity = $entity_type_manager->getStorage($target_type)->create([
- 'type' => $default_type,
- ]);
- $field_state['selected_bundle'] = $default_type;
- $display = EntityFormDisplay::collectRenderDisplay($paragraphs_entity, $this->getSetting('form_display_mode'));
- $field_state['paragraphs'][0] = [
- 'entity' => $paragraphs_entity,
- 'display' => $display,
- 'mode' => 'edit',
- 'original_delta' => 1
- ];
- $max = 1;
- $field_state['items_count'] = $max;
- }
- }
-
- $this->realItemCount = $max;
- $is_multiple = $this->fieldDefinition->getFieldStorageDefinition()->isMultiple();
-
- $field_title = $this->fieldDefinition->getLabel();
- $description = FieldFilteredMarkup::create(\Drupal::token()->replace($this->fieldDefinition->getDescription()));
-
- $elements = array();
- $tabs = '';
- $this->fieldIdPrefix = implode('-', array_merge($this->fieldParents, array($field_name)));
- $this->fieldWrapperId = Html::getUniqueId($this->fieldIdPrefix . '-add-more-wrapper');
-
- // If the parent entity is paragraph add the nested class if not then add
- // the perspective tabs.
- $field_prefix = strtr($this->fieldIdPrefix, '_', '-');
- if (count($this->fieldParents) == 0) {
- if ($items->getEntity()->getEntityTypeId() != 'paragraph') {
- $tabs = '<ul class="paragraphs-tabs tabs primary clearfix"><li id="content" class="tabs__tab"><a href="#' . $field_prefix . '-values">Content</a></li><li id="behavior" class="tabs__tab"><a href="#' . $field_prefix . '-values">Behavior</a></li></ul>';
- }
- }
- if (count($this->fieldParents) > 0) {
- if ($items->getEntity()->getEntityTypeId() === 'paragraph') {
- $form['#attributes']['class'][] = 'paragraphs-nested';
- }
- }
- $elements['#prefix'] = '<div class="is-horizontal paragraphs-tabs-wrapper" id="' . $this->fieldWrapperId . '">' . $tabs;
- $elements['#suffix'] = '</div>';
-
- $field_state['ajax_wrapper_id'] = $this->fieldWrapperId;
- // Persist the widget state so formElement() can access it.
- static::setWidgetState($this->fieldParents, $field_name, $form_state, $field_state);
-
- $header_actions = $this->buildHeaderActions($field_state, $form_state);
- if ($header_actions) {
- $elements['header_actions'] = $header_actions;
- // Add a weight element so we guaranty that header actions will stay in
- // first row. We will use this later in
- // paragraphs_preprocess_field_multiple_value_form().
- $elements['header_actions']['_weight'] = [
- '#type' => 'weight',
- '#default_value' => -100,
- ];
- }
-
- if (!empty($field_state['dragdrop'])) {
- $elements['#attached']['library'][] = 'paragraphs/paragraphs-dragdrop';
- //$elements['dragdrop_mode']['#button_type'] = 'primary';
- $elements['dragdrop'] = $this->buildNestedParagraphsFoDragDrop($form_state, NULL, []);
- return $elements;
- }
-
- if ($max > 0) {
- for ($delta = 0; $delta < $max; $delta++) {
-
- // Add a new empty item if it doesn't exist yet at this delta.
- if (!isset($items[$delta])) {
- $items->appendItem();
- }
-
- // For multiple fields, title and description are handled by the wrapping
- // table.
- $element = array(
- '#title' => $is_multiple ? '' : $field_title,
- '#description' => $is_multiple ? '' : $description,
- );
- $element = $this->formSingleElement($items, $delta, $element, $form, $form_state);
-
- if ($element) {
- // Input field for the delta (drag-n-drop reordering).
- if ($is_multiple) {
- // We name the element '_weight' to avoid clashing with elements
- // defined by widget.
- $element['_weight'] = array(
- '#type' => 'weight',
- '#title' => $this->t('Weight for row @number', array('@number' => $delta + 1)),
- '#title_display' => 'invisible',
- // Note: this 'delta' is the FAPI #type 'weight' element's property.
- '#delta' => $max,
- '#default_value' => $items[$delta]->_weight ?: $delta,
- '#weight' => 100,
- );
- }
-
- // Access for the top element is set to FALSE only when the paragraph
- // was removed. A paragraphs that a user can not edit has access on
- // lower level.
- if (isset($element['#access']) && !$element['#access']) {
- $this->realItemCount--;
- }
- else {
- $elements[$delta] = $element;
- }
- }
- }
- }
-
- $field_state = static::getWidgetState($this->fieldParents, $field_name, $form_state);
- $field_state['real_item_count'] = $this->realItemCount;
- $field_state['add_mode'] = $this->getSetting('add_mode');
- static::setWidgetState($this->fieldParents, $field_name, $form_state, $field_state);
-
- $elements += [
- '#element_validate' => [[$this, 'multipleElementValidate']],
- '#required' => $this->fieldDefinition->isRequired(),
- '#field_name' => $field_name,
- '#cardinality' => $cardinality,
- '#max_delta' => $max - 1,
- ];
-
- if ($this->realItemCount > 0) {
- $elements += array(
- '#theme' => 'field_multiple_value_form',
- '#cardinality_multiple' => $is_multiple,
- '#title' => $field_title,
- '#description' => $description,
- );
-
- }
- else {
- $classes = $this->fieldDefinition->isRequired() ? ['form-required'] : [];
- $elements += [
- '#type' => 'container',
- '#theme_wrappers' => ['container'],
- '#cardinality_multiple' => TRUE,
- 'title' => [
- '#type' => 'html_tag',
- '#tag' => 'strong',
- '#value' => $field_title,
- '#attributes' => ['class' => $classes],
- ],
- 'text' => [
- '#type' => 'container',
- 'value' => [
- '#markup' => $this->t('No @title added yet.', ['@title' => $this->getSetting('title')]),
- '#prefix' => '<em>',
- '#suffix' => '</em>',
- ]
- ],
- ];
-
- if ($description) {
- $elements['description'] = [
- '#type' => 'container',
- 'value' => ['#markup' => $description],
- '#attributes' => ['class' => ['description']],
- ];
- }
- }
-
- $host = $items->getEntity();
- $this->initIsTranslating($form_state, $host);
-
- if (($this->realItemCount < $cardinality || $cardinality == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) && !$form_state->isProgrammed() && !$this->isTranslating) {
- $elements['add_more'] = $this->buildAddActions();
- }
-
- $elements['#attached']['library'][] = 'paragraphs/drupal.paragraphs.widget';
-
- return $elements;
- }
-
- /**
- * {@inheritdoc}
- */
- public function form(FieldItemListInterface $items, array &$form, FormStateInterface $form_state, $get_delta = NULL) {
- $parents = $form['#parents'];
-
- // Identify the manage field settings default value form.
- if (in_array('default_value_input', $parents, TRUE)) {
- // Since the entity is not reusable neither cloneable, having a default
- // value is not supported.
- return ['#markup' => $this->t('No widget available for: %label.', ['%label' => $items->getFieldDefinition()->getLabel()])];
- }
-
- return parent::form($items, $form, $form_state, $get_delta);
- }
-
- /**
- * Returns a list of child paragraphs for a given field to loop over.
- *
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The form state.
- * @param string $field_name
- * The field name for which to find child paragraphs.
- * @param \Drupal\paragraphs\ParagraphInterface $paragraph
- * The current paragraph.
- * @param array $array_parents
- * The current field parent structure.
- *
- * @return \Drupal\paragraphs\Entity\Paragraph[]
- * Child paragraphs.
- */
- protected function getChildParagraphs(FormStateInterface $form_state, $field_name, ParagraphInterface $paragraph = NULL, array $array_parents = []) {
-
- // Convert the parents structure which only includes field names and delta
- // to the full storage array key which includes a prefix and a subform.
- $full_parents_key = ['field_storage', '#parents'];
- foreach ($array_parents as $i => $parent) {
- $full_parents_key[] = $parent;
- if ($i % 2) {
- $full_parents_key[] = 'subform';
- }
- }
-
- $current_parents = array_merge($full_parents_key, ['#fields', $field_name]);
- $child_field_state = NestedArray::getValue($form_state->getStorage(), $current_parents);
- $entities = [];
- if ($child_field_state && isset($child_field_state['paragraphs'])) {
- // Fetch the paragraphs from the field state. Use the original delta
- // to get the right position. Also reorder the paragraphs in the widget
- // state accordingly.
- $new_widget_paragraphs = [];
- foreach ($child_field_state['paragraphs'] as $child_delta => $child_field_item_state) {
- $entities[array_search($child_delta, $child_field_state['original_deltas'])] = $child_field_item_state['entity'];
- $new_widget_paragraphs[array_search($child_delta, $child_field_state['original_deltas'])] = $child_field_item_state;
- }
- ksort($entities);
-
- // Set the orderd paragraphs into the widget state and reset original
- // deltas.
- ksort($new_widget_paragraphs);
- $child_field_state['paragraphs'] = $new_widget_paragraphs;
- $child_field_state['original_deltas'] = range(0, count($child_field_state['paragraphs']) - 1);
- NestedArray::setValue($form_state->getStorage(), $current_parents, $child_field_state);
- }
- elseif ($paragraph) {
- // If there is no field state, return the paragraphs directly from the
- // entity.
- foreach ($paragraph->get($field_name) as $child_delta => $item) {
- if ($item->entity) {
- $entities[$child_delta] = $item->entity;
- }
- }
- }
-
- return $entities;
- }
-
- /**
- * Builds the nested drag and drop structure.
- *
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The form state.
- * @param \Drupal\paragraphs\ParagraphInterface|null $paragraph
- * The parent paragraph, NULL for the initial call.
- * @param string[] $array_parents
- * The array parents for nested paragraphs.
- *
- * @return array
- * The built form structure.
- */
- protected function buildNestedParagraphsFoDragDrop(FormStateInterface $form_state, ParagraphInterface $paragraph = NULL, array $array_parents = []) {
- // Look for nested elements.
- $elements = [];
- $field_definitions = [];
- if ($paragraph) {
- foreach ($paragraph->getFieldDefinitions() as $child_field_name => $field_definition) {
- /** @var \Drupal\Core\Field\FieldDefinitionInterface $field_definition */
- if ($field_definition->getType() == 'entity_reference_revisions' && $field_definition->getSetting('target_type') == 'paragraph') {
- $field_definitions[$child_field_name] = $field_definition;
- }
- }
- }
- else {
- $field_definitions = [$this->fieldDefinition->getName() => $this->fieldDefinition];
- }
-
- /** @var \Drupal\Core\Field\FieldDefinitionInterface $field_definition */
- foreach ($field_definitions as $child_field_name => $field_definition) {
- $child_path = implode('][', array_merge($array_parents, [$child_field_name]));
- $cardinality = $field_definition->getFieldStorageDefinition()->getCardinality();
- $allowed_types = implode(array_keys($this->getAllowedTypes($field_definition)), ',');
- $elements[$child_field_name] = [
- '#type' => 'container',
- '#attributes' => ['class' => ['paragraphs-dragdrop-wrapper']],
- ];
-
- // Only show a field label if there is more than one paragraph field.
- $label = count($field_definitions) > 1 || !$paragraph ? '<label><strong>' . $field_definition->getLabel() . '</strong></label>' : '';
-
- $elements[$child_field_name]['list'] = [
- '#type' => 'markup',
- '#prefix' => $label . '<ul class="paragraphs-dragdrop" data-paragraphs-dragdrop-cardinality="' . $cardinality . '" data-paragraphs-dragdrop-allowed-types="' . $allowed_types . '" data-paragraphs-dragdrop-path="' . $child_path . '">',
- '#suffix' => '</ul>',
- ];
-
- /** @var \Drupal\paragraphs\Entity\Paragraph $child_paragraph */
- foreach ($this->getChildParagraphs($form_state, $child_field_name, $paragraph, $array_parents) as $child_delta => $child_paragraph) {
- $element = [];
- $element['top'] = [
- '#type' => 'container',
- '#attributes' => ['class' => ['paragraphs-summary-wrapper']],
- ];
- $element['top']['paragraph_summary']['type'] = [
- '#markup' => '<strong>' . $child_paragraph->getParagraphType()->label() . '</strong>',
- ];
-
- // We name the element '_weight' to avoid clashing with elements
- // defined by widget.
- $element['_weight'] = array(
- '#type' => 'hidden',
- '#default_value' => $child_delta,
- '#attributes' => [
- 'class' => ['paragraphs-dragdrop__weight'],
- ]
- );
-
- $element['_path'] = [
- '#type' => 'hidden',
- '#title' => $this->t('Current path for @number', ['@number' => $delta = 1]),
- '#title_display' => 'invisible',
- '#default_value' => $child_path,
- '#attributes' => [
- 'class' => ['paragraphs-dragdrop__path'],
- ]
- ];
-
- $summary_options = [];
-
- $element['#prefix'] = '<li data-paragraphs-dragdrop-bundle="' . $child_paragraph->bundle() . '"><a href="#" class="tabledrag-handle"><div class="handle"> </div></a>';
- $element['#suffix'] = '</li>';
- $child_array_parents = array_merge($array_parents, [$child_field_name, $child_delta]);
-
- if ($child_elements = $this->buildNestedParagraphsFoDragDrop($form_state, $child_paragraph, $child_array_parents)) {
- $element['dragdrop'] = $child_elements;
-
- // Set the depth limit to 0 to avoid displaying a summary for the
- // children.
- $summary_options['depth_limit'] = 0;
- }
-
- $element['top']['summary']['fields_info'] = [
- '#markup' => $child_paragraph->getSummary($summary_options),
- '#prefix' => '<div class="paragraphs-collapsed-description">',
- '#suffix' => '</div>',
- ];
-
- $elements[$child_field_name]['list'][$child_delta] = $element;
- }
- }
- return $elements;
- }
-
- /**
- * Add 'add more' button, if not working with a programmed form.
- *
- * @return array
- * The form element array.
- */
- protected function buildAddActions() {
- if (count($this->getAccessibleOptions()) === 0) {
- if (count($this->getAllowedTypes()) === 0) {
- $add_more_elements['info'] = $this->createMessage($this->t('You are not allowed to add any of the @title types.', ['@title' => $this->getSetting('title')]));
- }
- else {
- $add_more_elements['info'] = $this->createMessage($this->t('You did not add any @title types yet.', ['@title' => $this->getSetting('title')]));
- }
-
- return $add_more_elements;
- }
-
- if (in_array($this->getSetting('add_mode'), ['button', 'dropdown', 'modal'])) {
- return $this->buildButtonsAddMode();
- }
-
- return $this->buildSelectAddMode();
- }
-
- /**
- * Returns the available paragraphs type.
- *
- * @return array
- * Available paragraphs types.
- */
- protected function getAccessibleOptions() {
- if ($this->accessOptions !== NULL) {
- return $this->accessOptions;
- }
-
- $entity_type_manager = \Drupal::entityTypeManager();
- $target_type = $this->getFieldSetting('target_type');
- $bundles = $this->getAllowedTypes();
- $access_control_handler = $entity_type_manager->getAccessControlHandler($target_type);
- $dragdrop_settings = $this->getSelectionHandlerSetting('target_bundles_drag_drop');
-
- foreach ($bundles as $machine_name => $bundle) {
- if ($dragdrop_settings || (!count($this->getSelectionHandlerSetting('target_bundles'))
- || in_array($machine_name, $this->getSelectionHandlerSetting('target_bundles')))) {
- if ($access_control_handler->createAccess($machine_name)) {
- $this->accessOptions[$machine_name] = $bundle['label'];
- }
- }
- }
-
- return $this->accessOptions;
- }
-
- /**
- * Helper to create a paragraph UI message.
- *
- * @param string $message
- * Message text.
- * @param string $type
- * Message type.
- *
- * @return array
- * Render array of message.
- */
- public function createMessage($message, $type = 'warning') {
- return [
- '#type' => 'container',
- '#markup' => $message,
- '#attributes' => ['class' => ['messages', 'messages--' . $type]],
- ];
- }
-
- /**
- * Expand button base array into a paragraph widget action button.
- *
- * @param array $button_base
- * Button base render array.
- *
- * @return array
- * Button render array.
- */
- public static function expandButton(array $button_base) {
- // Do not expand elements that do not have submit handler.
- if (empty($button_base['#submit'])) {
- return $button_base;
- }
-
- $button = $button_base + [
- '#type' => 'submit',
- '#theme_wrappers' => ['input__submit__paragraph_action'],
- ];
-
- // Html::getId will give us '-' char in name but we want '_' for now so
- // we use strtr to search&replace '-' to '_'.
- $button['#name'] = strtr(Html::getId($button_base['#name']), '-', '_');
- $button['#id'] = Html::getUniqueId($button['#name']);
-
- if (isset($button['#ajax'])) {
- $button['#ajax'] += [
- 'effect' => 'fade',
- // Since a normal throbber is added inline, this has the potential to
- // break a layout if the button is located in dropbuttons. Instead,
- // it's safer to just show the fullscreen progress element instead.
- 'progress' => ['type' => 'fullscreen'],
- ];
- }
-
- return $button;
- }
-
- /**
- * Get common submit element information for processing ajax submit handlers.
- *
- * @param array $form
- * Form array.
- * @param FormStateInterface $form_state
- * Form state object.
- * @param int $position
- * Position of triggering element.
- *
- * @return array
- * Submit element information.
- */
- public static function getSubmitElementInfo(array $form, FormStateInterface $form_state, $position = ParagraphsWidget::ACTION_POSITION_BASE) {
- $submit['button'] = $form_state->getTriggeringElement();
-
- // Go up in the form, to the widgets container.
- if ($position == ParagraphsWidget::ACTION_POSITION_BASE) {
- $submit['element'] = NestedArray::getValue($form, array_slice($submit['button']['#array_parents'], 0, -2));
- }
- if ($position == ParagraphsWidget::ACTION_POSITION_HEADER) {
- $submit['element'] = NestedArray::getValue($form, array_slice($submit['button']['#array_parents'], 0, -3));
- }
- elseif ($position == ParagraphsWidget::ACTION_POSITION_ACTIONS) {
- $submit['element'] = NestedArray::getValue($form, array_slice($submit['button']['#array_parents'], 0, -5));
- $delta = array_slice($submit['button']['#array_parents'], -5, -4);
- $submit['delta'] = $delta[0];
- }
-
- $submit['field_name'] = $submit['element']['#field_name'];
- $submit['parents'] = $submit['element']['#field_parents'];
-
- // Get widget state.
- $submit['widget_state'] = static::getWidgetState($submit['parents'], $submit['field_name'], $form_state);
-
- return $submit;
- }
-
- /**
- * Build drop button.
- *
- * @param array $elements
- * Elements for drop button.
- *
- * @return array
- * Drop button array.
- */
- protected function buildDropbutton(array $elements = []) {
- $build = [
- '#type' => 'container',
- '#attributes' => ['class' => ['paragraphs-dropbutton-wrapper']],
- ];
-
- $operations = [];
- // Because we are cloning the elements into title sub element we need to
- // sort children first.
- foreach (Element::children($elements, TRUE) as $child) {
- // Clone the element as an operation.
- $operations[$child] = ['title' => $elements[$child]];
-
- // Flag the original element as printed so it doesn't render twice.
- $elements[$child]['#printed'] = TRUE;
- }
-
- $build['operations'] = [
- '#type' => 'paragraph_operations',
- // Even though operations are run through the "links" element type, the
- // theme system will render any render array passed as a link "title".
- '#links' => $operations,
- ];
-
- return $build + $elements;
- }
-
- /**
- * Builds dropdown button for adding new paragraph.
- *
- * @return array
- * The form element array.
- */
- protected function buildButtonsAddMode() {
- $options = $this->getAccessibleOptions();
- $add_mode = $this->getSetting('add_mode');
- $paragraphs_type_storage = \Drupal::entityTypeManager()->getStorage('paragraphs_type');
-
- // Build the buttons.
- $add_more_elements = [];
- foreach ($options as $machine_name => $label) {
- $button_key = 'add_more_button_' . $machine_name;
- $add_more_elements[$button_key] = $this->expandButton([
- '#type' => 'submit',
- '#name' => $this->fieldIdPrefix . '_' . $machine_name . '_add_more',
- '#value' => $add_mode == 'modal' ? $label : $this->t('Add @type', ['@type' => $label]),
- '#attributes' => ['class' => ['field-add-more-submit']],
- '#limit_validation_errors' => [array_merge($this->fieldParents, [$this->fieldDefinition->getName(), 'add_more'])],
- '#submit' => [[get_class($this), 'addMoreSubmit']],
- '#ajax' => [
- 'callback' => [get_class($this), 'addMoreAjax'],
- 'wrapper' => $this->fieldWrapperId,
- ],
- '#bundle_machine_name' => $machine_name,
- ]);
-
- if ($add_mode === 'modal' && $icon_url = $paragraphs_type_storage->load($machine_name)->getIconUrl()) {
- $add_more_elements[$button_key]['#attributes']['style'] = 'background-image: url(' . $icon_url . ');';
- }
- }
-
- // Determine if buttons should be rendered as dropbuttons.
- if (count($options) > 1 && $add_mode == 'dropdown') {
- $add_more_elements = $this->buildDropbutton($add_more_elements);
- $add_more_elements['#suffix'] = $this->t('to %type', ['%type' => $this->fieldDefinition->getLabel()]);
- }
- elseif ($add_mode == 'modal') {
- $this->buildModalAddForm($add_more_elements);
- $add_more_elements['add_modal_form_area']['#suffix'] = $this->t('to %type', ['%type' => $this->fieldDefinition->getLabel()]);
- }
- $add_more_elements['#weight'] = 1;
-
- return $add_more_elements;
- }
-
- /**
- * Builds list of actions based on paragraphs type.
- *
- * @return array
- * The form element array.
- */
- protected function buildSelectAddMode() {
- $field_name = $this->fieldDefinition->getName();
- $field_title = $this->fieldDefinition->getLabel();
- $setting_title = $this->getSetting('title');
- $add_more_elements['add_more_select'] = [
- '#type' => 'select',
- '#options' => $this->getAccessibleOptions(),
- '#title' => $this->t('@title type', ['@title' => $setting_title]),
- '#label_display' => 'hidden',
- ];
-
- $text = $this->t('Add @title', ['@title' => $setting_title]);
-
- if ($this->realItemCount > 0) {
- $text = $this->t('Add another @title', ['@title' => $setting_title]);
- }
-
- $add_more_elements['add_more_button'] = [
- '#type' => 'submit',
- '#name' => strtr($this->fieldIdPrefix, '-', '_') . '_add_more',
- '#value' => $text,
- '#attributes' => ['class' => ['field-add-more-submit']],
- '#limit_validation_errors' => [array_merge($this->fieldParents, [$field_name, 'add_more'])],
- '#submit' => [[get_class($this), 'addMoreSubmit']],
- '#ajax' => [
- 'callback' => [get_class($this), 'addMoreAjax'],
- 'wrapper' => $this->fieldWrapperId,
- 'effect' => 'fade',
- ],
- ];
-
- $add_more_elements['add_more_button']['#suffix'] = $this->t(' to %type', ['%type' => $field_title]);
- return $add_more_elements;
- }
-
- /**
- * {@inheritdoc}
- */
- public static function addMoreAjax(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state);
- $element = $submit['element'];
-
- // Add a DIV around the delta receiving the Ajax effect.
- $delta = $submit['element']['#max_delta'];
- $element[$delta]['#prefix'] = '<div class="ajax-new-content">' . (isset($element[$delta]['#prefix']) ? $element[$delta]['#prefix'] : '');
- $element[$delta]['#suffix'] = (isset($element[$delta]['#suffix']) ? $element[$delta]['#suffix'] : '') . '</div>';
-
- return $element;
- }
-
- /**
- * Ajax callback for all actions.
- */
- public static function allActionsAjax(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state, ParagraphsWidget::ACTION_POSITION_HEADER);
- $element = $submit['element'];
-
- // Add a DIV around the delta receiving the Ajax effect.
- $delta = $submit['element']['#max_delta'];
- $element[$delta]['#prefix'] = '<div class="ajax-new-content">' . (isset($element[$delta]['#prefix']) ? $element[$delta]['#prefix'] : '');
- $element[$delta]['#suffix'] = (isset($element[$delta]['#suffix']) ? $element[$delta]['#suffix'] : '') . '</div>';
-
- return $element;
- }
-
- /**
- * {@inheritdoc}
- */
- public static function addMoreSubmit(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state);
-
- if ($submit['widget_state']['real_item_count'] < $submit['element']['#cardinality'] || $submit['element']['#cardinality'] == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
- $submit['widget_state']['items_count']++;
- }
-
- if (isset($submit['button']['#bundle_machine_name'])) {
- $submit['widget_state']['selected_bundle'] = $submit['button']['#bundle_machine_name'];
- }
- else {
- $submit['widget_state']['selected_bundle'] = $submit['element']['add_more']['add_more_select']['#value'];
- }
-
- $submit['widget_state'] = static::autocollapse($submit['widget_state']);
-
- static::setWidgetState($submit['parents'], $submit['field_name'], $form_state, $submit['widget_state']);
-
- $form_state->setRebuild();
- }
-
- /**
- * Creates a duplicate of the paragraph entity.
- */
- public static function duplicateSubmit(array $form, FormStateInterface $form_state) {
- $button = $form_state->getTriggeringElement();
- // Go one level up in the form, to the widgets container.
- $element = NestedArray::getValue($form, array_slice($button['#array_parents'], 0, -5));
- $field_name = $element['#field_name'];
- $parents = $element['#field_parents'];
-
- // Inserting new element in the array.
- $widget_state = static::getWidgetState($parents, $field_name, $form_state);
-
- // Map the button delta to the actual delta.
- $original_button_delta = $button['#delta'];
- $current_button_delta = array_search($button['#delta'], $widget_state['original_deltas']);
-
- $widget_state['items_count']++;
- $widget_state['real_item_count']++;
-
- // Initialize the new original delta map with the new entry.
- $new_original_deltas = [
- $current_button_delta + 1 => count($widget_state['original_deltas']),
- ];
-
- $user_input = NestedArray::getValue($form_state->getUserInput(), array_slice($button['#parents'], 0, -5));
- $user_input[count($widget_state['original_deltas'])]['_weight'] = $current_button_delta + 1;
-
- // Increase all original deltas bigger than the delta of the duplicated
- // element by one.
- foreach ($widget_state['original_deltas'] as $current_delta => $original_delta) {
- $new_delta = $current_delta > $current_button_delta ? $current_delta + 1 : $current_delta;
- $new_original_deltas[$new_delta] = $original_delta;
- $user_input[$original_delta]['_weight'] = $new_delta;
- }
- $widget_state['original_deltas'] = $new_original_deltas;
- /** @var \Drupal\Core\Entity\EntityInterface $entity */
- $entity = $widget_state['paragraphs'][$original_button_delta]['entity'];
-
- $widget_state = static::autocollapse($widget_state);
-
- // Check if the replicate module is enabled.
- if (\Drupal::hasService('replicate.replicator')) {
- $duplicate_entity = \Drupal::getContainer()->get('replicate.replicator')->replicateEntity($entity);
- }
- else {
- $duplicate_entity = $entity->createDuplicate();
- }
- // Create the duplicated paragraph and insert it below the original.
- $widget_state['paragraphs'][] = [
- 'entity' => $duplicate_entity,
- 'display' => $widget_state['paragraphs'][$original_button_delta]['display'],
- 'mode' => 'edit',
- ];
-
- NestedArray::setValue($form_state->getUserInput(), array_slice($button['#parents'], 0, -5), $user_input);
- static::setWidgetState($parents, $field_name, $form_state, $widget_state);
- $form_state->setRebuild();
- }
-
- public static function paragraphsItemSubmit(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state, ParagraphsWidget::ACTION_POSITION_ACTIONS);
-
- $new_mode = $submit['button']['#paragraphs_mode'];
-
- if ($new_mode === 'edit') {
- $submit['widget_state'] = static::autocollapse($submit['widget_state']);
- }
-
- $submit['widget_state']['paragraphs'][$submit['delta']]['mode'] = $new_mode;
-
- if (!empty($submit['button']['#paragraphs_show_warning'])) {
- $submit['widget_state']['paragraphs'][$submit['delta']]['show_warning'] = $submit['button']['#paragraphs_show_warning'];
- }
-
- static::setWidgetState($submit['parents'], $submit['field_name'], $form_state, $submit['widget_state']);
-
- $form_state->setRebuild();
- }
-
- public static function itemAjax(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state, ParagraphsWidget::ACTION_POSITION_ACTIONS);
-
- $submit['element']['#prefix'] = '<div class="ajax-new-content">' . (isset($submit['element']['#prefix']) ? $submit['element']['#prefix'] : '');
- $submit['element']['#suffix'] = (isset($submit['element']['#suffix']) ? $submit['element']['#suffix'] : '') . '</div>';
-
- return $submit['element'];
- }
-
- /**
- * Sets the form mode accordingly.
- *
- * @param array $form
- * An associate array containing the structure of the form.
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The current state of the form.
- */
- public static function dragDropModeSubmit(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state, ParagraphsWidget::ACTION_POSITION_HEADER);
-
- if (empty($submit['widget_state']['dragdrop'])) {
- $submit['widget_state']['dragdrop'] = TRUE;
- }
- else {
- $submit['widget_state']['dragdrop'] = FALSE;
- }
-
- // Make sure that flag that we already reordered is unset when the mode is
- // switched.
- unset($submit['widget_state']['reordered']);
-
- // Switch the form mode accordingly.
- static::setWidgetState($submit['parents'], $submit['field_name'], $form_state, $submit['widget_state']);
-
- $form_state->setRebuild();
- }
-
-
- /**
- * Reorder paragraphs.
- *
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The form state.
- * @param $field_values_parents
- * The field value parents.
- */
- protected static function reorderParagraphs(FormStateInterface $form_state, $field_values_parents) {
- $field_name = end($field_values_parents);
- $field_values = NestedArray::getValue($form_state->getValues(), $field_values_parents);
- $complete_field_storage = NestedArray::getValue(
- $form_state->getStorage(), [
- 'field_storage',
- '#parents'
- ]
- );
- $new_field_storage = $complete_field_storage;
-
- // Set a flag to prevent this from running twice, as the entity is built
- // for validation as well as saving and would fail the second time as we
- // already altered the field storage.
- if (!empty($new_field_storage['#fields'][$field_name]['reordered'])) {
- return;
- }
- $new_field_storage['#fields'][$field_name]['reordered'] = TRUE;
-
- // Clear out all current paragraphs keys in all nested paragraph widgets
- // as there might be fewer than before or none in a certain widget.
- $clear_paragraphs = function ($field_storage) use (&$clear_paragraphs) {
- foreach ($field_storage as $key => $value) {
- if ($key === '#fields') {
- foreach ($value as $field_name => $widget_state) {
- if (isset($widget_state['paragraphs'])) {
- $field_storage['#fields'][$field_name]['paragraphs'] = [];
- }
- }
- }
- else {
- $field_storage[$key] = $clear_paragraphs($field_storage[$key]);
- }
- }
- return $field_storage;
- };
-
- // Only clear the current field and its children to avoid deleting
- // paragraph references in other fields.
- $new_field_storage['#fields'][$field_name]['paragraphs'] = [];
- if (isset($new_field_storage[$field_name])) {
- $new_field_storage[$field_name] = $clear_paragraphs($new_field_storage[$field_name]);
- }
-
- $reorder_paragraphs = function ($reorder_values, $parents = [], FieldableEntityInterface $parent_entity = NULL) use ($complete_field_storage, &$new_field_storage, &$reorder_paragraphs) {
- foreach ($reorder_values as $field_name => $values) {
- foreach ($values['list'] as $delta => $item_values) {
- $old_keys = array_merge(
- $parents, [
- '#fields',
- $field_name,
- 'paragraphs',
- $delta
- ]
- );
- $path = explode('][', $item_values['_path']);
- $new_field_name = array_pop($path);
- $key_parents = [];
- foreach ($path as $i => $key) {
- $key_parents[] = $key;
- if ($i % 2 == 1) {
- $key_parents[] = 'subform';
- }
- }
- $new_keys = array_merge(
- $key_parents, [
- '#fields',
- $new_field_name,
- 'paragraphs',
- $item_values['_weight']
- ]
- );
- $key_exists = NULL;
- $item_state = NestedArray::getValue($complete_field_storage, $old_keys, $key_exists);
- if (!$key_exists && $parent_entity) {
- // If key does not exist, then this parent widget was previously
- // not expanded. This can only happen on nested levels. In that
- // case, initialize a new item state and set the widget state to
- // an empty array if it is not already set from an earlier item.
- // If something else is placed there, it will be put in there,
- // otherwise the widget will know that nothing is there anymore.
- $item_state = [
- 'entity' => $parent_entity->get($field_name)->get($delta)->entity,
- 'mode' => 'closed',
- ];
- $widget_state_keys = array_slice($old_keys, 0, count($old_keys) - 2);
- if (!NestedArray::getValue($new_field_storage, $widget_state_keys)) {
- NestedArray::setValue($new_field_storage, $widget_state_keys, ['paragraphs' => []]);
- }
- }
-
- // Ensure the referenced paragraph will be saved.
- $item_state['entity']->setNeedsSave(TRUE);
-
- NestedArray::setValue($new_field_storage, $new_keys, $item_state);
- if (isset($item_values['dragdrop'])) {
- $reorder_paragraphs(
- $item_values['dragdrop'], array_merge(
- $parents, [
- $field_name,
- $delta,
- 'subform'
- ]
- ), $item_state['entity']
- );
- }
- }
- }
- };
- $reorder_paragraphs($field_values['dragdrop']);
-
- // Recalculate original deltas.
- $recalculate_original_deltas = function ($field_storage, ContentEntityInterface $parent_entity) use (&$recalculate_original_deltas) {
- if (isset($field_storage['#fields'])) {
- foreach ($field_storage['#fields'] as $field_name => $widget_state) {
- if (isset($widget_state['paragraphs'])) {
-
- // If the parent field does not exist but we have paragraphs in
- // widget state, something went wrong and we have a mismatch.
- // Throw an exception.
- if (!$parent_entity->hasField($field_name) && !empty($widget_state['paragraphs'])) {
- throw new \LogicException('Reordering paragraphs resulted in paragraphs on non-existing field ' . $field_name . ' on parent entity ' . $parent_entity->getEntityTypeId() . '/' . $parent_entity->id());
- }
-
- // Sort the paragraphs by key so that they will be assigned to
- // the entity in the right order. Reset the deltas.
- ksort($widget_state['paragraphs']);
- $widget_state['paragraphs'] = array_values($widget_state['paragraphs']);
-
- $original_deltas = range(0, count($widget_state['paragraphs']) - 1);
- $field_storage['#fields'][$field_name]['original_deltas'] = $original_deltas;
- $field_storage['#fields'][$field_name]['items_count'] = count($widget_state['paragraphs']);
- $field_storage['#fields'][$field_name]['real_item_count'] = count($widget_state['paragraphs']);
-
- // Update the parent entity and point to the new children, if the
- // parent field does not exist, we also have no paragraphs, so
- // we can just skip this, this is a dead leaf after re-ordering.
- // @todo Clean this up somehow?
- if ($parent_entity->hasField($field_name)) {
- $parent_entity->set($field_name, array_column($widget_state['paragraphs'], 'entity'));
-
- // Next process that field recursively.
- foreach (array_keys($widget_state['paragraphs']) as $delta) {
- if (isset($field_storage[$field_name][$delta]['subform'])) {
- $field_storage[$field_name][$delta]['subform'] = $recalculate_original_deltas($field_storage[$field_name][$delta]['subform'], $parent_entity->get($field_name)->get($delta)->entity);
- }
- }
- }
-
- }
- }
- }
- return $field_storage;
- };
-
- $parent_entity = $form_state->getFormObject()->getEntity();
- $new_field_storage = $recalculate_original_deltas($new_field_storage, $parent_entity);
-
- $form_state->set(['field_storage', '#parents'], $new_field_storage);
- }
-
- /**
- * Ajax callback for the dragdrop mode.
- *
- * @param array $form
- * An associate array containing the structure of the form.
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The current state of the form.
- *
- * @return array
- * The container form element.
- */
- public static function dragDropModeAjax(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state, ParagraphsWidget::ACTION_POSITION_HEADER);
-
- $submit['element']['#prefix'] = '<div class="ajax-new-content">' . (isset($submit['element']['#prefix']) ? $submit['element']['#prefix'] : '');
- $submit['element']['#suffix'] = (isset($submit['element']['#suffix']) ? $submit['element']['#suffix'] : '') . '</div>';
-
- return $submit['element'];
- }
-
- /**
- * Returns the value of a setting for the entity reference selection handler.
- *
- * @param string $setting_name
- * The setting name.
- *
- * @return mixed
- * The setting value.
- */
- protected function getSelectionHandlerSetting($setting_name) {
- $settings = $this->getFieldSetting('handler_settings');
- return isset($settings[$setting_name]) ? $settings[$setting_name] : NULL;
- }
-
- /**
- * {@inheritdoc}
- */
- public function elementValidate($element, FormStateInterface $form_state, $form) {
- $field_name = $this->fieldDefinition->getName();
- $widget_state = static::getWidgetState($element['#field_parents'], $field_name, $form_state);
- $delta = $element['#delta'];
-
- if (isset($widget_state['paragraphs'][$delta]['entity'])) {
- /** @var \Drupal\paragraphs\ParagraphInterface $paragraphs_entity */
- $entity = $widget_state['paragraphs'][$delta]['entity'];
-
- /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $display */
- $display = $widget_state['paragraphs'][$delta]['display'];
-
- if ($widget_state['paragraphs'][$delta]['mode'] == 'edit') {
- // Extract the form values on submit for getting the current paragraph.
- $display->extractFormValues($entity, $element['subform'], $form_state);
- $display->validateFormValues($entity, $element['subform'], $form_state);
-
- // Validate all enabled behavior plugins.
- $paragraphs_type = $entity->getParagraphType();
- if (\Drupal::currentUser()->hasPermission('edit behavior plugin settings')) {
- foreach ($paragraphs_type->getEnabledBehaviorPlugins() as $plugin_id => $plugin_values) {
- $subform_state = SubformState::createForSubform($element['behavior_plugins'][$plugin_id], $form_state->getCompleteForm(), $form_state);
- $plugin_values->validateBehaviorForm($entity, $element['behavior_plugins'][$plugin_id], $subform_state);
- }
- }
- }
- }
-
- static::setWidgetState($element['#field_parents'], $field_name, $form_state, $widget_state);
- }
-
- /**
- * {@inheritdoc}
- */
- public function flagErrors(FieldItemListInterface $items, ConstraintViolationListInterface $violations, array $form, FormStateInterface $form_state) {
- $field_name = $this->fieldDefinition->getName();
-
- $field_state = static::getWidgetState($form['#parents'], $field_name, $form_state);
-
- // In dragdrop mode, validation errors can not be mapped to form elements,
- // add them on the top level widget element.
- if (!empty($field_state['dragdrop'])) {
- if ($violations->count()) {
- $element = NestedArray::getValue($form_state->getCompleteForm(), $field_state['array_parents']);
- foreach ($violations as $violation) {
- $form_state->setError($element, $violation->getMessage());
- }
- }
- }
- else {
- return parent::flagErrors($items, $violations, $form, $form_state);
- }
- }
-
- /**
- * Special handling to validate form elements with multiple values.
- *
- * @param array $elements
- * An associative array containing the substructure of the form to be
- * validated in this call.
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The current state of the form.
- * @param array $form
- * The complete form array.
- */
- public function multipleElementValidate(array $elements, FormStateInterface $form_state, array $form) {
- $field_name = $this->fieldDefinition->getName();
- $widget_state = static::getWidgetState($elements['#field_parents'], $field_name, $form_state);
-
- if ($elements['#required'] && $widget_state['real_item_count'] < 1) {
- $form_state->setError($elements, t('@name field is required.', ['@name' => $this->fieldDefinition->getLabel()]));
- }
-
- static::setWidgetState($elements['#field_parents'], $field_name, $form_state, $widget_state);
- }
-
- /**
- * {@inheritdoc}
- */
- public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
- $field_name = $this->fieldDefinition->getName();
- $widget_state = static::getWidgetState($form['#parents'], $field_name, $form_state);
- $element = NestedArray::getValue($form_state->getCompleteForm(), $widget_state['array_parents']);
-
- if (!empty($widget_state['dragdrop'])) {
- $path = array_merge($form['#parents'], array($field_name));
- static::reorderParagraphs($form_state, $path);
-
- // After re-ordering, get the updated widget state.
- $widget_state = static::getWidgetState($form['#parents'], $field_name, $form_state);
-
- // Re-create values based on current widget state.
- $values = [];
- foreach ($widget_state['paragraphs'] as $delta => $paragraph_state) {
- $values[$delta]['entity'] = $paragraph_state['entity'];
- }
- return $values;
- }
-
- foreach ($values as $delta => &$item) {
- if (isset($widget_state['paragraphs'][$item['_original_delta']]['entity'])
- && $widget_state['paragraphs'][$item['_original_delta']]['mode'] != 'remove') {
- /** @var \Drupal\paragraphs\ParagraphInterface $paragraphs_entity */
- $paragraphs_entity = $widget_state['paragraphs'][$item['_original_delta']]['entity'];
-
- /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $display */
- $display = $widget_state['paragraphs'][$item['_original_delta']]['display'];
- if ($widget_state['paragraphs'][$item['_original_delta']]['mode'] == 'edit') {
- $display->extractFormValues($paragraphs_entity, $element[$item['_original_delta']]['subform'], $form_state);
- }
- // A content entity form saves without any rebuild. It needs to set the
- // language to update it in case of language change.
- $langcode_key = $paragraphs_entity->getEntityType()->getKey('langcode');
- if ($paragraphs_entity->get($langcode_key)->value != $form_state->get('langcode')) {
- // If a translation in the given language already exists, switch to
- // that. If there is none yet, update the language.
- if ($paragraphs_entity->hasTranslation($form_state->get('langcode'))) {
- $paragraphs_entity = $paragraphs_entity->getTranslation($form_state->get('langcode'));
- }
- else {
- $paragraphs_entity->set($langcode_key, $form_state->get('langcode'));
- }
- }
- if (isset($item['behavior_plugins'])) {
- // Submit all enabled behavior plugins.
- $paragraphs_type = $paragraphs_entity->getParagraphType();
- foreach ($paragraphs_type->getEnabledBehaviorPlugins() as $plugin_id => $plugin_values) {
- if (!isset($item['behavior_plugins'][$plugin_id])) {
- $item['behavior_plugins'][$plugin_id] = [];
- }
- $original_delta = $item['_original_delta'];
- if (isset($element[$original_delta]) && isset($element[$original_delta]['behavior_plugins'][$plugin_id]) && $form_state->getCompleteForm() && \Drupal::currentUser()->hasPermission('edit behavior plugin settings')) {
- $subform_state = SubformState::createForSubform($element[$original_delta]['behavior_plugins'][$plugin_id], $form_state->getCompleteForm(), $form_state);
- if (isset($item['behavior_plugins'][$plugin_id])) {
- $plugin_values->submitBehaviorForm($paragraphs_entity, $item['behavior_plugins'][$plugin_id], $subform_state);
- }
- }
- }
- }
-
- $paragraphs_entity->setNeedsSave(TRUE);
- $item['entity'] = $paragraphs_entity;
- $item['target_id'] = $paragraphs_entity->id();
- $item['target_revision_id'] = $paragraphs_entity->getRevisionId();
- }
- // If our mode is remove don't save or reference this entity.
- // @todo: Maybe we should actually delete it here?
- elseif (isset($widget_state['paragraphs'][$item['_original_delta']]['mode']) && $widget_state['paragraphs'][$item['_original_delta']]['mode'] == 'remove') {
- $item['target_id'] = NULL;
- $item['target_revision_id'] = NULL;
- }
- }
- return $values;
- }
-
- /**
- * {@inheritdoc}
- */
- public function extractFormValues(FieldItemListInterface $items, array $form, FormStateInterface $form_state) {
- // Filter possible empty items.
- $items->filterEmptyItems();
-
- // Remove buttons from header actions.
- $field_name = $this->fieldDefinition->getName();
- $path = array_merge($form['#parents'], array($field_name));
- $form_state_variables = $form_state->getValues();
- $key_exists = NULL;
- $values = NestedArray::getValue($form_state_variables, $path, $key_exists);
-
- if ($key_exists) {
- unset($values['header_actions']);
-
- NestedArray::setValue($form_state_variables, $path, $values);
- $form_state->setValues($form_state_variables);
- }
-
- return parent::extractFormValues($items, $form, $form_state);
- }
-
- /**
- * Initializes the translation form state.
- *
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * @param \Drupal\Core\Entity\ContentEntityInterface $host
- */
- protected function initIsTranslating(FormStateInterface $form_state, ContentEntityInterface $host) {
- if ($this->isTranslating != NULL) {
- return;
- }
- $this->isTranslating = FALSE;
- if (!$host->isTranslatable()) {
- return;
- }
- if (!$host->getEntityType()->hasKey('default_langcode')) {
- return;
- }
- $default_langcode_key = $host->getEntityType()->getKey('default_langcode');
- if (!$host->hasField($default_langcode_key)) {
- return;
- }
-
- if (!empty($form_state->get('content_translation'))) {
- // Adding a language through the ContentTranslationController.
- $this->isTranslating = TRUE;
- }
- if ($host->hasTranslation($form_state->get('langcode')) && $host->getTranslation($form_state->get('langcode'))->get($default_langcode_key)->value == 0) {
- // Editing a translation.
- $this->isTranslating = TRUE;
- }
- }
-
- /**
- * After-build callback for removing the translatability clue from the widget.
- *
- * If the fields on the paragraph type are translatable,
- * ContentTranslationHandler::addTranslatabilityClue()adds an
- * "(all languages)" suffix to the widget title. That suffix is incorrect and
- * is being removed by this method using a #after_build on the field widget.
- *
- * @param array $element
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- *
- * @return array
- */
- public static function removeTranslatabilityClue(array $element, FormStateInterface $form_state) {
- // Widgets could have multiple elements with their own titles, so remove the
- // suffix if it exists, do not recurse lower than this to avoid going into
- // nested paragraphs or similar nested field types.
- $suffix = ' <span class="translation-entity-all-languages">(' . t('all languages') . ')</span>';
- if (isset($element['#title']) && strpos($element['#title'], $suffix)) {
- $element['#title'] = str_replace($suffix, '', $element['#title']);
- }
- // Loop over all widget deltas.
- foreach (Element::children($element) as $delta) {
- if (isset($element[$delta]['#title']) && strpos($element[$delta]['#title'], $suffix)) {
- $element[$delta]['#title'] = str_replace($suffix, '', $element[$delta]['#title']);
- }
- // Loop over all form elements within the current delta.
- foreach (Element::children($element[$delta]) as $field) {
- if (isset($element[$delta][$field]['#title']) && strpos($element[$delta][$field]['#title'], $suffix)) {
- $element[$delta][$field]['#title'] = str_replace($suffix, '', $element[$delta][$field]['#title']);
- }
- }
- }
- return $element;
- }
-
- /**
- * Returns the default paragraph type.
- *
- * @return string
- * Label name for default paragraph type.
- */
- protected function getDefaultParagraphTypeLabelName() {
- if ($this->getDefaultParagraphTypeMachineName() !== NULL) {
- $allowed_types = $this->getAllowedTypes();
- return $allowed_types[$this->getDefaultParagraphTypeMachineName()]['label'];
- }
-
- return NULL;
- }
-
- /**
- * Returns the machine name for default paragraph type.
- *
- * @return string
- * Machine name for default paragraph type.
- */
- protected function getDefaultParagraphTypeMachineName() {
- $default_type = $this->getSetting('default_paragraph_type');
- $allowed_types = $this->getAllowedTypes();
- if ($default_type && isset($allowed_types[$default_type])) {
- return $default_type;
- }
- // Check if the user explicitly selected not to have any default Paragraph
- // type. Othewise, if there is only one type available, that one is the
- // default.
- if ($default_type === '_none') {
- return NULL;
- }
- if (count($allowed_types) === 1) {
- return key($allowed_types);
- }
-
- return NULL;
- }
-
- /**
- * Counts the number of paragraphs in a certain mode in a form substructure.
- *
- * @param array $widget_state
- * The widget state for the form substructure containing information about
- * the paragraphs within.
- * @param string $mode
- * The mode to look for.
- *
- * @return int
- * The number of paragraphs is the given mode.
- */
- protected function getNumberOfParagraphsInMode(array $widget_state, $mode) {
- if (!isset($widget_state['paragraphs'])) {
- return 0;
- }
-
- $paragraphs_count = 0;
- foreach ($widget_state['paragraphs'] as $paragraph) {
- if ($paragraph['mode'] == $mode) {
- $paragraphs_count++;
- }
- }
-
- return $paragraphs_count;
- }
-
- /**
- * {@inheritdoc}
- */
- public static function isApplicable(FieldDefinitionInterface $field_definition) {
- $target_type = $field_definition->getSetting('target_type');
- $paragraph_type = \Drupal::entityTypeManager()->getDefinition($target_type);
- if ($paragraph_type) {
- return $paragraph_type->entityClassImplements(ParagraphInterface::class);
- }
-
- return FALSE;
- }
-
- /**
- * Builds header actions.
- *
- * @param array[] $field_state
- * Field widget state.
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * Current form state.
- *
- * @return array[]
- * The form element array.
- */
- public function buildHeaderActions(array $field_state, FormStateInterface $form_state) {
- $actions = [];
- if (empty($this->fieldParents)) {
- // Set actions.
- $actions = [
- '#type' => 'paragraphs_actions',
- ];
-
- $field_name = $this->fieldDefinition->getName();
- $id_prefix = implode('-', array_merge($this->fieldParents, [$field_name]));
-
- // Only show the dragdrop mode if we can find the sortable library.
- $library_discovery = \Drupal::service('library.discovery');
- $library = $library_discovery->getLibraryByName('paragraphs', 'paragraphs-dragdrop');
- if ($library || \Drupal::state()->get('paragraphs_test_dragdrop_force_show', FALSE)) {
- $dragdrop_mode = $this->expandButton([
- '#type' => 'submit',
- '#name' => $this->fieldIdPrefix . '_dragdrop_mode',
- '#value' => !empty($field_state['dragdrop']) ? $this->t('Complete drag & drop') : $this->t('Drag & drop'),
- '#attributes' => ['class' => ['field-dragdrop-mode-submit']],
- '#submit' => [[get_class($this), 'dragDropModeSubmit']],
- '#weight' => 8,
- '#ajax' => [
- 'callback' => [get_class($this), 'dragDropModeAjax'],
- 'wrapper' => $this->fieldWrapperId,
- ],
- ]);
-
- // Make the complete button a primary button, limit validation errors
- // only for enabling drag and drop mode.
- if (!empty($field_state['dragdrop'])) {
- $dragdrop_mode['#button_type'] = 'primary';
- $actions['actions']['dragdrop_mode'] = $dragdrop_mode;
- }
- else {
- $dragdrop_mode['#limit_validation_errors'] = [
- array_merge($this->fieldParents, [$field_name, 'dragdrop_mode']),
- ];
- $actions['dropdown_actions']['dragdrop_mode'] = $dragdrop_mode;
- }
- }
-
- if ($this->realItemCount > 1 && empty($field_state['dragdrop'])) {
-
- $collapse_all = $this->expandButton([
- '#type' => 'submit',
- '#value' => $this->t('Collapse all'),
- '#submit' => [[get_class($this), 'changeAllEditModeSubmit']],
- '#name' => $id_prefix . '_collapse_all',
- '#paragraphs_mode' => 'closed',
- '#limit_validation_errors' => [
- array_merge($this->fieldParents, [$field_name, 'collapse_all']),
- ],
- '#ajax' => [
- 'callback' => [get_class($this), 'allActionsAjax'],
- 'wrapper' => $this->fieldWrapperId,
- ],
- '#weight' => -1,
- '#paragraphs_show_warning' => TRUE,
- ]);
-
- $edit_all = $this->expandButton([
- '#type' => 'submit',
- '#value' => $this->t('Edit all'),
- '#submit' => [[get_class($this), 'changeAllEditModeSubmit']],
- '#name' => $id_prefix . '_edit-all',
- '#paragraphs_mode' => 'edit',
- '#limit_validation_errors' => [],
- '#ajax' => [
- 'callback' => [get_class($this), 'allActionsAjax'],
- 'wrapper' => $this->fieldWrapperId,
- ],
- ]);
-
- if (isset($field_state['paragraphs'][0]['mode']) && $field_state['paragraphs'][0]['mode'] === 'closed') {
- $edit_all['#attributes'] = [
- 'class' => ['paragraphs-icon-button', 'paragraphs-icon-button-edit'],
- 'title' => $this->t('Edit all'),
- ];
- $edit_all['#title'] = $this->t('Edit All');
- $actions['actions']['edit_all'] = $edit_all;
- $actions['dropdown_actions']['collapse_all'] = $collapse_all;
- }
- else {
- $collapse_all['#attributes'] = [
- 'class' => ['paragraphs-icon-button', 'paragraphs-icon-button-collapse'],
- 'title' => $this->t('Collapse all'),
- ];
- $actions['actions']['collapse_all'] = $collapse_all;
- $actions['dropdown_actions']['edit_all'] = $edit_all;
- }
- }
- }
-
- // Add paragraphs_header flag which we use later in preprocessor to move
- // header actions to table header.
- if ($actions) {
- $actions['#paragraphs_header'] = TRUE;
- }
-
- return $actions;
- }
-
- /**
- * Loops through all paragraphs and change mode for each paragraph instance.
- *
- * @param array $form
- * Current form state.
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * Current form state.
- */
- public static function changeAllEditModeSubmit(array $form, FormStateInterface $form_state) {
- $submit = ParagraphsWidget::getSubmitElementInfo($form, $form_state, ParagraphsWidget::ACTION_POSITION_HEADER);
-
- // Change edit mode for each paragraph.
- foreach ($submit['widget_state']['paragraphs'] as $delta => &$paragraph) {
- if ($submit['widget_state']['paragraphs'][$delta]['mode'] !== 'remove') {
- $submit['widget_state']['paragraphs'][$delta]['mode'] = $submit['button']['#paragraphs_mode'];
- if (!empty($submit['button']['#paragraphs_show_warning'])) {
- $submit['widget_state']['paragraphs'][$delta]['show_warning'] = $submit['button']['#paragraphs_show_warning'];
- }
- }
- }
-
- // Disable autocollapse when editing all and enable it when closing all.
- if ($submit['button']['#paragraphs_mode'] === 'edit') {
- $submit['widget_state']['autocollapse'] = 'none';
- }
- elseif ($submit['button']['#paragraphs_mode'] === 'closed') {
- $submit['widget_state']['autocollapse'] = 'all';
- }
-
- static::setWidgetState($submit['parents'], $submit['field_name'], $form_state, $submit['widget_state']);
- $form_state->setRebuild();
- }
-
- /**
- * Returns a state with all paragraphs closed, if autocollapse is enabled.
- *
- * @param array $widget_state
- * The current widget state.
- *
- * @return array
- * The widget state altered by closing all paragraphs.
- */
- public static function autocollapse(array $widget_state) {
- if ($widget_state['real_item_count'] > 0 && $widget_state['autocollapse'] !== 'none') {
- foreach ($widget_state['paragraphs'] as $delta => $value) {
- if ($widget_state['paragraphs'][$delta]['mode'] === 'edit') {
- $widget_state['paragraphs'][$delta]['mode'] = 'closed';
- }
- }
- }
-
- return $widget_state;
- }
-
-}
projects / yaffs-website / blobdiff