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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\search\Form\SearchPageForm. | |
| */ | |
| namespace Drupal\search\Form; | |
| use Drupal\Core\Entity\EntityForm; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Url; | |
| /** | |
| * Provides a search form for site wide search. | |
| * | |
| * Search plugins can define method searchFormAlter() to alter the form. If they | |
| * have additional or substitute fields, they will need to override the form | |
| * submit, making sure to redirect with a GET parameter of 'keys' included, to | |
| * trigger the search being processed by the controller, and adding in any | |
| * additional query parameters they need to execute search. | |
| */ | |
| class SearchPageForm extends EntityForm { | |
| /** | |
| * {@inheritdoc} | |
| * | |
| * @var \Drupal\search\SearchPageInterface | |
| */ | |
| protected $entity; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getFormId() { | |
| return 'search_form'; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function form(array $form, FormStateInterface $form_state) { | |
| $plugin = $this->entity->getPlugin(); | |
| $form_state->set('search_page_id', $this->entity->id()); | |
| $form['basic'] = array( | |
| '#type' => 'container', | |
| '#attributes' => array( | |
| 'class' => array('container-inline'), | |
| ), | |
| ); | |
| $form['basic']['keys'] = array( | |
| '#type' => 'search', | |
| '#title' => $this->t('Enter your keywords'), | |
| '#default_value' => $plugin->getKeywords(), | |
| '#size' => 30, | |
| '#maxlength' => 255, | |
| ); | |
| // processed_keys is used to coordinate keyword passing between other forms | |
| // that hook into the basic search form. | |
| $form['basic']['processed_keys'] = array( | |
| '#type' => 'value', | |
| '#value' => '', | |
| ); | |
| $form['basic']['submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => $this->t('Search'), | |
| ); | |
| $form['help_link'] = array( | |
| '#type' => 'link', | |
| '#url' => new Url('search.help_' . $this->entity->id()), | |
| '#title' => $this->t('Search help'), | |
| '#options' => array('attributes' => array('class' => 'search-help-link')), | |
| ); | |
| // Allow the plugin to add to or alter the search form. | |
| $plugin->searchFormAlter($form, $form_state); | |
| return parent::form($form, $form_state); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function actions(array $form, FormStateInterface $form_state) { | |
| // The submit button is added in the form directly. | |
| return array(); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| // Redirect to the search page with keywords in the GET parameters. | |
| // Plugins with additional search parameters will need to provide their | |
| // own form submit handler to replace this, so they can put their values | |
| // into the GET as well. If so, make sure to put 'keys' into the GET | |
| // parameters so that the search results generation is triggered. | |
| $query = $this->entity->getPlugin()->buildSearchUrlQuery($form_state); | |
| $route = 'search.view_' . $form_state->get('search_page_id'); | |
| $form_state->setRedirect( | |
| $route, | |
| array(), | |
| array('query' => $query) | |
| ); | |
| } | |
| } |