EntityTranslationUnifiedFormInlineMode.php in Entity Translation Unified Form 8

Namespace

Drupal\entity_translation_unified_form\Plugin\EntityTranslationUnifiedFormMode

File

src/Plugin/EntityTranslationUnifiedFormMode/EntityTranslationUnifiedFormInlineMode.php

<?php

namespace Drupal\entity_translation_unified_form\Plugin\EntityTranslationUnifiedFormMode;

use Drupal\Core\Render\Element;
use Drupal\entity_translation_unified_form\EntityTranslationUnifiedFormModeInterface;

/**
 * @EntityTranslationUnifiedFormMode (
 *   id = "EntityTranslationUnifiedFormInlineMode",
 *   admin_label = @Translation("Inline Mode"),
 * )
 */
class EntityTranslationUnifiedFormInlineMode implements EntityTranslationUnifiedFormModeInterface {
  public function fieldFormAlter($form, $form_state, &$field, $field_name, $language) {
    $this
      ->alterTitle($form, $form_state, $field, $field_name, $language);
  }
  public function getFieldGroupThemeWrapper($form, $form_state, $field, $field_name) {
    return 'entity_translation_unified_form__inline__wrapper';
  }
  public function getFieldThemeWrapper($form, $form_state, $field, $field_name, $language) {
    return 'entity_translation_unified_form__inline__field_wrapper';
  }

  /**
   * Helper function to add the language label to a title.
   */
  protected function alterTitle($form, $form_state, &$field, $field_name, $language) {
    if (!isset($field['widget']) || !is_object($language)) {
      return;
    }

    // Get language display mode
    $form_object = $form_state
      ->getFormObject();
    $entity = $form_object
      ->getEntity();
    $entity_type_id = $entity
      ->getEntityTypeId();
    $bundle = $entity
      ->bundle();
    $language_display = entity_translation_unified_form_language_display($entity_type_id, $bundle);
    if ($language_display == 'native') {

      // Get native languages.
      $language_manager = \Drupal::languageManager();
      $native_languages = $language_manager
        ->getNativeLanguages();
      $current_language = $native_languages[$language
        ->getId()];

      // Get language name in its own language.
      $text = ' (' . t($current_language
        ->getName(), [], [
        'langcode' => $language
          ->getId(),
      ]) . ')';
    }
    elseif ($language_display == 'current') {
      $text = ' (' . t($language
        ->getName()) . ')';
    }
    else {
      $text = ' (' . $language
        ->getId() . ')';
    }
    $widget =& $field['widget'];
    $this
      ->addTranslatabilityClue($widget, $text);
  }

  /**
   * Adds a clue about the form element translatability.
   *
   * If the given element does not have a #title attribute, the function is
   * recursively applied to child elements.
   *
   * @param array $element
   *   A form element array.
   *
   * This was taken and modified from content_translation
   */
  protected function addTranslatabilityClue(&$element, $suffix) {
    static $fapi_title_elements;
    $done = true;

    // Elements which can have a #title attribute according to FAPI Reference.
    if (!isset($fapi_title_elements)) {
      $fapi_title_elements = array_flip([
        'checkbox',
        'checkboxes',
        'date',
        'details',
        'fieldset',
        'file',
        'item',
        'password',
        'password_confirm',
        'radio',
        'radios',
        'select',
        'text_format',
        'textarea',
        'textfield',
        'weight',
      ]);
    }

    // Update #title attribute for all elements that are allowed to have a
    // #title attribute according to the Form API Reference. The reason for this
    // check is because some elements have a #title attribute even though it is
    // not rendered; for instance, field containers.
    if (isset($element['#type']) && isset($fapi_title_elements[$element['#type']]) && isset($element['#title'])) {
      $element['#title'] .= $suffix;

      // If we changed a invisible title the job is not done.
      if (isset($element['#title_display']) && $element['#title_display'] == 'invisible') {
        return false;
      }
      else {
        return true;
      }
    }

    // If the current element does not have a (valid) title, try child elements.
    if ($children = Element::children($element)) {
      foreach ($children as $delta) {
        if (!$this
          ->addTranslatabilityClue($element[$delta], $suffix)) {
          $done = false;
        }
      }
    }

    // If children are not "really" changed, apply to parent (happens with fields with cardinality>1).
    if (!$done && isset($element['#title'])) {
      $element['#title'] .= $suffix;
    }
  }

}

Classes

Name	Description
EntityTranslationUnifiedFormInlineMode	@EntityTranslationUnifiedFormMode ( id = "EntityTranslationUnifiedFormInlineMode", admin_label = Plugin annotation @Translation("Inline Mode"), )