tarte_au_citron-1.0.0-beta1/src/Form/ConfigurationTextsForm.php

<?php

namespace Drupal\tarte_au_citron\Form;

use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Form\FormStateInterface;

/**
 * Implements a tarte_au_citron text overriding form.
 */
class ConfigurationTextsForm extends AbstractForm {

  /**
   * {@inheritdoc}
   */
  public function getFormId(): string {
    return 'tarte_au_citron_configuration_texts';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames(): array {
    return ['tarte_au_citron.texts.settings'];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state): array {
    $config = $this->config('tarte_au_citron.texts.settings');
    $form['strategy'] = [
      '#type' => 'select',
      '#title' => $this->t('Strategy'),
      '#options' => [
        'forced' => $this->t('Forced'),
        'custom' => $this->t('Custom'),
      ],
      '#required' => FALSE,
      '#empty_value' => '',
      '#empty_option' => $this->t('Default'),
      '#default_value' => $config->get('strategy'),
    ];

    $availableLanguages = $this->libraryJsDiscover->getTextsAvailableLanguagesConfig();
    $langOptions = ['current' => $this->t('Current language')];
    foreach ($availableLanguages as $lang => $langObj) {
      $langOptions[$lang] = $langObj->getName();
    }

    $form['forced_lang'] = [
      '#type' => 'select',
      '#title' => $this->t('Forced language'),
      '#options' => $langOptions,
      '#required' => FALSE,
      '#empty_value' => '',
      '#empty_option' => $this->t('Default'),
      '#default_value' => $config->get('forced_lang') ?? 'default',
      '#states' => [
        'visible' => [
          ':input[name="strategy"]' => ['value' => 'forced'],
        ],
      ],
    ];

    $form['texts'] = [
      '#type' => 'details',
      '#title' => $this->t('Tarte au citron texts configuration'),
      '#open' => TRUE,
      '#tree' => TRUE,
      '#states' => [
        'visible' => [
          ':input[name="strategy"]' => ['value' => 'custom'],
        ],
      ],
    ];
    $form['texts']['title_conf'] = [
      '#theme' => 'tarte_au_citron_texts_config_form_header',
    ];

    $texts = $this->libraryJsDiscover->getTextsConfig();
    foreach ($texts as $key => $text) {
      $this->buildElement($form['texts'], $form_state, $key, $text, ['texts']);
    }

    return parent::buildForm($form, $form_state);
  }

  /**
   * Build a text element.
   *
   * @param array $form
   *   The form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state.
   * @param string $key
   *   The key.
   * @param array $text
   *   The text item.
   * @param array $parents
   *   The parents.
   */
  protected function buildElement(
    array &$form,
    FormStateInterface $form_state,
    string $key,
    array $text,
    array $parents = [],
  ): void {
    $config = $this->config('tarte_au_citron.texts.settings');
    if ($text['type'] === 'mapping') {
      $form[$key] = [
        '#type' => 'details',
        '#title' => $key,
        '#open' => TRUE,
        '#tree' => TRUE,
      ];
      $nextParents = array_merge($parents, [$key]);
      foreach ($text['children'] as $subkey => $subtext) {
        $this->buildElement($form[$key], $form_state, $subkey, $subtext, $nextParents);
      }
    }
    else {
      $form[$key] = [
        '#type' => $text['type'] === 'text' ? 'textarea' : 'textfield',
        '#title' => $text['default_value'],
        '#default_value' => $config->get(implode('.', $parents) . '.' . $key),
      ];
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state): void {
    $config = $this->config('tarte_au_citron.texts.settings');
    $config
      ->set('strategy', $form_state->getValue('strategy'));

    if ($form_state->getValue('strategy') === 'forced') {
      $config
        ->set('forced_lang', $form_state->getValue('forced_lang'));
    }
    else {
      $config
        ->clear('forced_lang');
    }

    if ($form_state->getValue('strategy') === 'custom') {
      $texts = $form_state->getValue('texts') ?? [];
      _tarte_au_citron_filter_text($texts);

      $config
        ->set('texts', $texts);
    }
    else {
      $config
        ->clear('texts');
    }

    $config->save();

    parent::submitForm($form, $form_state);
  }

}