class TranslationHelper in Inline Entity Form 8
Provides content translation helpers.
Hierarchy
- class \Drupal\inline_entity_form\TranslationHelper
Expanded class hierarchy of TranslationHelper
4 files declare their use of TranslationHelper
- InlineEntityForm.php in src/
Element/ InlineEntityForm.php - InlineEntityFormBase.php in src/
Plugin/ Field/ FieldWidget/ InlineEntityFormBase.php - InlineEntityFormComplex.php in src/
Plugin/ Field/ FieldWidget/ InlineEntityFormComplex.php - InlineEntityFormSimple.php in src/
Plugin/ Field/ FieldWidget/ InlineEntityFormSimple.php
File
- src/
TranslationHelper.php, line 11
Namespace
Drupal\inline_entity_formView source
class TranslationHelper {
/**
* Prepares the inline entity for translation.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The inline entity.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return \Drupal\Core\Entity\ContentEntityInterface
* The prepared entity.
*
* @see \Drupal\Core\Entity\ContentEntityForm::initFormLangcodes()
*/
public static function prepareEntity(ContentEntityInterface $entity, FormStateInterface $form_state) {
$form_langcode = $form_state
->get('langcode');
if (empty($form_langcode) || !$entity
->isTranslatable()) {
return $entity;
}
$entity_langcode = $entity
->language()
->getId();
if (self::isTranslating($form_state) && !$entity
->hasTranslation($form_langcode)) {
// Create a translation from the source language values.
$source = $form_state
->get([
'content_translation',
'source',
]);
$source_langcode = $source ? $source
->getId() : $entity_langcode;
if (!$entity
->hasTranslation($source_langcode)) {
$entity
->addTranslation($source_langcode, $entity
->toArray());
}
$source_translation = $entity
->getTranslation($source_langcode);
$entity
->addTranslation($form_langcode, $source_translation
->toArray());
$translation = $entity
->getTranslation($form_langcode);
$translation
->set('content_translation_source', $source_langcode);
// Make sure we do not inherit the affected status from the source values.
if ($entity
->getEntityType()
->isRevisionable()) {
$translation
->setRevisionTranslationAffected(NULL);
}
}
if ($entity_langcode != $form_langcode && $entity
->hasTranslation($form_langcode)) {
// Switch to the needed translation.
$entity = $entity
->getTranslation($form_langcode);
}
return $entity;
}
/**
* Updates the entity langcode to match the form langcode.
*
* Called on submit to allow the user to select a different language through
* the langcode form element, which is then transferred to form state.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*
* @return bool
* TRUE if the entity langcode was updated, FALSE otherwise.
*/
public static function updateEntityLangcode(ContentEntityInterface $entity, FormStateInterface $form_state) {
$changed = FALSE;
// This method is first called during form validation, at which point
// the 'langcode' form state flag hasn't been updated with the new value.
$form_langcode = $form_state
->getValue([
'langcode',
0,
'value',
], $form_state
->get('langcode'));
if (empty($form_langcode) || !$entity
->isTranslatable()) {
return $changed;
}
$entity_langcode = $entity
->language()
->getId();
if ($entity_langcode != $form_langcode && !$entity
->hasTranslation($form_langcode)) {
$langcode_key = $entity
->getEntityType()
->getKey('langcode');
$entity
->set($langcode_key, $form_langcode);
$changed = TRUE;
}
return $changed;
}
/**
* Determines whether there's a translation in progress.
*
* If the root entity is being translated, then all of the inline entities
* are candidates for translating as well.
*
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*
* @return bool
* TRUE if translating is in progress, FALSE otherwise.
*
* @see \Drupal\Core\Entity\ContentEntityForm::initFormLangcodes()
*/
public static function isTranslating(FormStateInterface $form_state) {
$form_langcode = $form_state
->get('langcode');
$default_langcode = $form_state
->get('entity_default_langcode');
if (empty($form_langcode) && empty($default_langcode)) {
// The top-level form is not a content entity form.
return FALSE;
}
else {
return $form_langcode != $default_langcode;
}
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
TranslationHelper:: |
public static | function | Determines whether there's a translation in progress. | |
TranslationHelper:: |
public static | function | Prepares the inline entity for translation. | |
TranslationHelper:: |
public static | function | Updates the entity langcode to match the form langcode. |