function ImportForm::buildForm

Form constructor for the translation import screen.

Overrides FormInterface::buildForm

File

core/modules/locale/src/Form/ImportForm.php, line 74

Class

ImportForm

Form constructor for the translation import screen.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state) {
    $languages = $this->languageManager
        ->getLanguages();
    // Initialize a language list to the ones available, including English if we
    // are to translate Drupal to English as well.
    $existing_languages = [];
    foreach ($languages as $langcode => $language) {
        if (locale_is_translatable($langcode)) {
            $existing_languages[$langcode] = $language->getName();
        }
    }
    // If we have no languages available, present the list of predefined
    // languages only. If we do have already added languages, set up two option
    // groups with the list of existing and then predefined languages.
    if (empty($existing_languages)) {
        $language_options = $this->languageManager
            ->getStandardLanguageListWithoutConfigured();
        $default = key($language_options);
    }
    else {
        $default = key($existing_languages);
        $language_options = [
            (string) $this->t('Existing languages') => $existing_languages,
            (string) $this->t('Languages not yet added') => $this->languageManager
                ->getStandardLanguageListWithoutConfigured(),
        ];
    }
    $validators = [
        'FileExtension' => [
            'extensions' => 'po',
        ],
        'FileSizeLimit' => [
            'fileLimit' => Environment::getUploadMaxSize(),
        ],
    ];
    $form['file'] = [
        '#type' => 'file',
        '#title' => $this->t('Translation file'),
        '#description' => [
            '#theme' => 'file_upload_help',
            '#description' => $this->t('A Gettext Portable Object file.'),
            '#upload_validators' => $validators,
        ],
        '#size' => 50,
        '#upload_validators' => $validators,
        '#upload_location' => 'translations://',
        '#attributes' => [
            'class' => [
                'file-import-input',
            ],
        ],
    ];
    $form['langcode'] = [
        '#type' => 'select',
        '#title' => $this->t('Language'),
        '#options' => $language_options,
        '#default_value' => $default,
        '#attributes' => [
            'class' => [
                'langcode-input',
            ],
        ],
    ];
    $form['customized'] = [
        '#title' => $this->t('Treat imported strings as custom translations'),
        '#type' => 'checkbox',
    ];
    $form['overwrite_options'] = [
        '#type' => 'container',
        '#tree' => TRUE,
    ];
    $form['overwrite_options']['not_customized'] = [
        '#title' => $this->t('Overwrite non-customized translations'),
        '#type' => 'checkbox',
        '#states' => [
            'checked' => [
                ':input[name="customized"]' => [
                    'checked' => TRUE,
                ],
            ],
        ],
    ];
    $form['overwrite_options']['customized'] = [
        '#title' => $this->t('Overwrite existing customized translations'),
        '#type' => 'checkbox',
    ];
    $form['actions'] = [
        '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Import'),
    ];
    return $form;
}