LanguageSwitcherExtendedSettingsForm.php in Language Switcher Extended 8

Namespace

Drupal\language_switcher_extended\Form

File

src/Form/LanguageSwitcherExtendedSettingsForm.php

<?php

namespace Drupal\language_switcher_extended\Form;

use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Messenger\MessengerTrait;

/**
 * Configure language_switcher_extended settings for this site.
 */
class LanguageSwitcherExtendedSettingsForm extends ConfigFormBase {
  use MessengerTrait;

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'language_switcher_extended_settings';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'language_switcher_extended.settings',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $config = $this
      ->config('language_switcher_extended.settings');
    $form['mode'] = [
      '#type' => 'radios',
      '#title' => $this
        ->t('Language Switcher Mode'),
      '#description' => $this
        ->t('Choose the preferred Language Switcher behavior.'),
      '#default_value' => $config
        ->get('mode'),
      '#options' => [
        'default' => $this
          ->t('Default core'),
        'always_link_to_front' => $this
          ->t('Always link to the frontpage'),
        'process_untranslated' => $this
          ->t('Alter the language switcher for untranslated content entities'),
      ],
      'default' => [
        '#description' => $this
          ->t('Use the default core processor.'),
      ],
      'always_link_to_front' => [
        '#description' => $this
          ->t('Always link all language switcher items to their corresponding frontpage.'),
      ],
      'process_untranslated' => [
        '#description' => $this
          ->t('Choose between different processor methods for resolving untranslated languages for the current content entity.'),
      ],
      '#required' => TRUE,
    ];
    $form['untranslated_handler'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Untranslated Handler'),
      '#description' => $this
        ->t('How should an untranslated language switcher item be resolved.'),
      '#default_value' => $config
        ->get('untranslated_handler'),
      '#options' => [
        'hide_link' => $this
          ->t('Hide the language switcher link'),
        'link_to_front' => $this
          ->t('Link to the frontpage'),
        'no_link' => $this
          ->t('Display the language without link'),
      ],
      '#states' => [
        'visible' => [
          ':input[name="mode"]' => [
            'value' => 'process_untranslated',
          ],
        ],
        'required' => [
          ':input[name="mode"]' => [
            'value' => 'process_untranslated',
          ],
        ],
      ],
    ];
    $form['hide_single_link'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Hide single link'),
      '#description' => $this
        ->t('Hide the remaining language switcher links, if non existing translations were hidden.'),
      '#default_value' => $config
        ->get('hide_single_link'),
      '#states' => [
        'visible' => [
          ':input[name="mode"]' => [
            'value' => 'process_untranslated',
          ],
          'select[name="untranslated_handler"]' => [
            'value' => 'hide_link',
          ],
        ],
      ],
    ];
    $form['hide_single_link_block'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Hide single link block'),
      '#description' => $this
        ->t('Hide the block when the single link is hidden.'),
      '#default_value' => $config
        ->get('hide_single_link_block'),
      '#states' => [
        'visible' => [
          ':input[name="hide_single_link"]' => [
            'checked' => TRUE,
          ],
        ],
      ],
    ];
    $form['current_language_mode'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Current language mode'),
      '#description' => $this
        ->t('How should a current language switcher item be resolved.'),
      '#default_value' => $config
        ->get('current_language_mode'),
      '#options' => [
        'default' => $this
          ->t('Use the default core processor.'),
        'hide_link' => $this
          ->t('Hide the language switcher link'),
        'no_link' => $this
          ->t('Display the language without link'),
      ],
      '#states' => [
        'invisible' => [
          ':input[name="mode"]' => [
            'value' => 'default',
          ],
        ],
      ],
    ];
    $form['show_langcode'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Show language code'),
      '#description' => $this
        ->t('Display the switcher options in language code instead of the full language name.'),
      '#default_value' => $config
        ->get('show_langcode'),
    ];
    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $config = $this
      ->config('language_switcher_extended.settings');
    $config
      ->set('mode', $form_state
      ->getValue('mode'));
    $config
      ->set('untranslated_handler', $form_state
      ->getValue('untranslated_handler'));
    $config
      ->set('current_language_mode', $form_state
      ->getValue('current_language_mode'));
    $config
      ->set('hide_single_link', $form_state
      ->getValue('hide_single_link'));
    $config
      ->set('hide_single_link_block', $form_state
      ->getValue('hide_single_link_block'));
    $config
      ->set('show_langcode', $form_state
      ->getValue('show_langcode'));
    $config
      ->save();
    parent::submitForm($form, $form_state);
  }

}

Classes

Name	Description
LanguageSwitcherExtendedSettingsForm	Configure language_switcher_extended settings for this site.