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<?php
namespace Drupal\locale\Form;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
use Drupal\locale\SourceString;
/**
* Defines a translation edit form.
*/
class TranslateEditForm extends TranslateFormBase {
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'locale_translate_edit_form';
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
$filter_values = $this->translateFilterValues();
$langcode = $filter_values['langcode'];
$this->languageManager->reset();
$languages = $this->languageManager->getLanguages();
$langname = isset($langcode) ? $languages[$langcode]->getName() : "- None -";
$form['#attached']['library'][] = 'locale/drupal.locale.admin';
$form['langcode'] = [
'#type' => 'value',
'#value' => $filter_values['langcode'],
];
$form['strings'] = [
'#type' => 'table',
'#tree' => TRUE,
'#language' => $langname,
'#header' => [
$this->t('Source string'),
$this->t('Translation for @language', ['@language' => $langname]),
],
'#empty' => $this->t('No strings available.'),
'#attributes' => ['class' => ['locale-translate-edit-table']],
];
if (isset($langcode)) {
$strings = $this->translateFilterLoadStrings();
$plurals = $this->getNumberOfPlurals($langcode);
foreach ($strings as $string) {
// Cast into source string, will do for our purposes.
$source = new SourceString($string);
// Split source to work with plural values.
$source_array = $source->getPlurals();
$translation_array = $string->getPlurals();
if (count($source_array) == 1) {
// Add original string value and mark as non-plural.
$plural = FALSE;
$form['strings'][$string->lid]['original'] = [
'#type' => 'item',
'#title' => $this->t('Source string (@language)', ['@language' => $this->t('Built-in English')]),
'#title_display' => 'invisible',
'#plain_text' => $source_array[0],
'#preffix' => '<span lang="en">',
'#suffix' => '</span>',
];
}
else {
// Add original string value and mark as plural.
$plural = TRUE;
$original_singular = [
'#type' => 'item',
'#title' => $this->t('Singular form'),
'#plain_text' => $source_array[0],
'#prefix' => '<span class="visually-hidden">' . $this->t('Source string (@language)', ['@language' => $this->t('Built-in English')]) . '</span><span lang="en">',
'#suffix' => '</span>',
];
$original_plural = [
'#type' => 'item',
'#title' => $this->t('Plural form'),
'#plain_text' => $source_array[1],
'#preffix' => '<span lang="en">',
'#suffix' => '</span>',
];
$form['strings'][$string->lid]['original'] = [
$original_singular,
['#markup' => '<br>'],
$original_plural,
];
}
if (!empty($string->context)) {
$form['strings'][$string->lid]['original'][] = [
'#type' => 'inline_template',
'#template' => '<br><small>{{ context_title }}: <span lang="en">{{ context }}</span></small>',
'#context' => [
'context_title' => $this->t('In Context'),
'context' => $string->context,
],
];
}
// Approximate the number of rows to use in the default textarea.
$rows = min(ceil(str_word_count($source_array[0]) / 12), 10);
if (!$plural) {
$form['strings'][$string->lid]['translations'][0] = [
'#type' => 'textarea',
'#title' => $this->t('Translated string (@language)', ['@language' => $langname]),
'#title_display' => 'invisible',
'#rows' => $rows,
'#default_value' => $translation_array[0],
'#attributes' => ['lang' => $langcode],
];
}
else {
// Add a textarea for each plural variant.
for ($i = 0; $i < $plurals; $i++) {
$form['strings'][$string->lid]['translations'][$i] = [
'#type' => 'textarea',
// @todo Should use better labels https://www.drupal.org/node/2499639
'#title' => ($i == 0 ? $this->t('Singular form') : $this->formatPlural($i, 'First plural form', '@count. plural form')),
'#rows' => $rows,
'#default_value' => isset($translation_array[$i]) ? $translation_array[$i] : '',
'#attributes' => ['lang' => $langcode],
'#prefix' => $i == 0 ? ('<span class="visually-hidden">' . $this->t('Translated string (@language)', ['@language' => $langname]) . '</span>') : '',
];
}
if ($plurals == 2) {
// Simplify interface text for the most common case.
$form['strings'][$string->lid]['translations'][1]['#title'] = $this->t('Plural form');
}
}
}
if (count(Element::children($form['strings']))) {
$form['actions'] = ['#type' => 'actions'];
$form['actions']['submit'] = [
'#type' => 'submit',
'#value' => $this->t('Save translations'),
];
}
}
$form['pager']['#type'] = 'pager';
return $form;
}
/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state) {
$langcode = $form_state->getValue('langcode');
foreach ($form_state->getValue('strings') as $lid => $translations) {
foreach ($translations['translations'] as $key => $value) {
if (!locale_string_is_safe($value)) {
$form_state->setErrorByName("strings][$lid][translations][$key", $this->t('The submitted string contains disallowed HTML: %string', ['%string' => $value]));
$form_state->setErrorByName("translations][$langcode][$key", $this->t('The submitted string contains disallowed HTML: %string', ['%string' => $value]));
$this->logger('locale')->warning('Attempted submission of a translation string with disallowed HTML: %string', ['%string' => $value]);
}
}
}
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
$langcode = $form_state->getValue('langcode');
$updated = [];
// Preload all translations for strings in the form.
$lids = array_keys($form_state->getValue('strings'));
$existing_translation_objects = [];
foreach ($this->localeStorage->getTranslations(['lid' => $lids, 'language' => $langcode, 'translated' => TRUE]) as $existing_translation_object) {
$existing_translation_objects[$existing_translation_object->lid] = $existing_translation_object;
}
foreach ($form_state->getValue('strings') as $lid => $new_translation) {
$existing_translation = isset($existing_translation_objects[$lid]);
// Plural translations are saved in a delimited string. To be able to
// compare the new strings with the existing strings a string in the same
// format is created.
$new_translation_string_delimited = implode(LOCALE_PLURAL_DELIMITER, $new_translation['translations']);
// Generate an imploded string without delimiter, to be able to run
// empty() on it.
$new_translation_string = implode('', $new_translation['translations']);
$is_changed = FALSE;
if ($existing_translation && $existing_translation_objects[$lid]->translation != $new_translation_string_delimited) {
// If there is an existing translation in the DB and the new translation
// is not the same as the existing one.
$is_changed = TRUE;
}
elseif (!$existing_translation && !empty($new_translation_string)) {
// Newly entered translation.
$is_changed = TRUE;
}
if ($is_changed) {
// Only update or insert if we have a value to use.
$target = isset($existing_translation_objects[$lid]) ? $existing_translation_objects[$lid] : $this->localeStorage->createTranslation(['lid' => $lid, 'language' => $langcode]);
$target->setPlurals($new_translation['translations'])
->setCustomized()
->save();
$updated[] = $target->getId();
}
if (empty($new_translation_string) && isset($existing_translation_objects[$lid])) {
// Empty new translation entered: remove existing entry from database.
$existing_translation_objects[$lid]->delete();
$updated[] = $lid;
}
}
drupal_set_message($this->t('The strings have been saved.'));
// Keep the user on the current pager page.
$page = $this->getRequest()->query->get('page');
if (isset($page)) {
$form_state->setRedirect(
'locale.translate_page',
[],
['page' => $page]
);
}
if ($updated) {
// Clear cache and force refresh of JavaScript translations.
_locale_refresh_translations([$langcode], $updated);
_locale_refresh_configuration([$langcode], $updated);
}
}
}