function NodeSearch::searchFormAlter

Overrides SearchPluginBase::searchFormAlter

File

core/modules/node/src/Plugin/Search/NodeSearch.php, line 571

Class

NodeSearch

Handles searching for node entities using the Search module index.

Namespace

Code

public function searchFormAlter(array &$form, FormStateInterface $form_state) {
  $parameters = $this->getParameters();
  $keys = $this->getKeywords();
  $used_advanced = !empty($parameters[self::ADVANCED_FORM]);
  if ($used_advanced) {
    $f = isset($parameters['f']) ? (array) $parameters['f'] : [];
    $defaults = $this->parseAdvancedDefaults($f, $keys);
  }
  else {
    $defaults = [
      'keys' => $keys,
    ];
  }
  $form['basic']['keys']['#default_value'] = $defaults['keys'];
  // Add advanced search keyword-related boxes.
  $form['advanced'] = [
    '#type' => 'details',
    '#title' => $this->t('Advanced search'),
    '#attributes' => [
      'class' => [
        'search-advanced',
      ],
    ],
    '#access' => $this->account && $this->account
      ->hasPermission('use advanced search'),
    '#open' => $used_advanced,
  ];
  $form['advanced']['keywords-fieldset'] = [
    '#type' => 'fieldset',
    '#title' => $this->t('Keywords'),
  ];
  $form['advanced']['keywords'] = [
    '#prefix' => '<div class="criterion">',
    '#suffix' => '</div>',
  ];
  $form['advanced']['keywords-fieldset']['keywords']['or'] = [
    '#type' => 'textfield',
    '#title' => $this->t('Containing any of the words'),
    '#size' => 30,
    '#maxlength' => 255,
    '#default_value' => $defaults['or'] ?? '',
  ];
  $form['advanced']['keywords-fieldset']['keywords']['phrase'] = [
    '#type' => 'textfield',
    '#title' => $this->t('Containing the phrase'),
    '#size' => 30,
    '#maxlength' => 255,
    '#default_value' => $defaults['phrase'] ?? '',
  ];
  $form['advanced']['keywords-fieldset']['keywords']['negative'] = [
    '#type' => 'textfield',
    '#title' => $this->t('Containing none of the words'),
    '#size' => 30,
    '#maxlength' => 255,
    '#default_value' => $defaults['negative'] ?? '',
  ];
  // Add node types.
  $types = array_map([
    '\\Drupal\\Component\\Utility\\Html',
    'escape',
  ], node_type_get_names());
  $form['advanced']['types-fieldset'] = [
    '#type' => 'fieldset',
    '#title' => $this->t('Types'),
  ];
  $form['advanced']['types-fieldset']['type'] = [
    '#type' => 'checkboxes',
    '#title' => $this->t('Only of the type(s)'),
    '#prefix' => '<div class="criterion">',
    '#suffix' => '</div>',
    '#options' => $types,
    '#default_value' => $defaults['type'] ?? [],
  ];
  $form['advanced']['submit'] = [
    '#type' => 'submit',
    '#value' => $this->t('Advanced search'),
    '#prefix' => '<div class="action">',
    '#suffix' => '</div>',
    '#weight' => 100,
  ];
  // Add languages.
  $language_options = [];
  $language_list = $this->languageManager
    ->getLanguages(LanguageInterface::STATE_ALL);
  foreach ($language_list as $langcode => $language) {
    // Make locked languages appear special in the list.
    $language_options[$langcode] = $language->isLocked() ? $this->t('- @name -', [
      '@name' => $language->getName(),
    ]) : $language->getName();
  }
  if (count($language_options) > 1) {
    $form['advanced']['lang-fieldset'] = [
      '#type' => 'fieldset',
      '#title' => $this->t('Languages'),
    ];
    $form['advanced']['lang-fieldset']['language'] = [
      '#type' => 'checkboxes',
      '#title' => $this->t('Languages'),
      '#prefix' => '<div class="criterion">',
      '#suffix' => '</div>',
      '#options' => $language_options,
      '#default_value' => $defaults['language'] ?? [],
    ];
  }
}