public ViewsExposedForm::buildForm(array $form, FormStateInterface $form_state)
Form constructor.
Parameters
array $form: An associative array containing the structure of the form.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Return value
array The form structure.
Overrides FormInterface::buildForm
File
- core/modules/views/src/Form/ViewsExposedForm.php, line 52
Class
- ViewsExposedForm
- Provides the views exposed form.
Namespace
Drupal\views\Form
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | public function buildForm(array $form, FormStateInterface $form_state) { // Don't show the form when batch operations are in progress. if ($batch = batch_get() && isset($batch['current_set'])) { return array( // Set the theme callback to be nothing to avoid errors in template_preprocess_views_exposed_form(). '#theme' => '', ); } // Make sure that we validate because this form might be submitted // multiple times per page. $form_state->setValidationEnforced(); /** @var \Drupal\views\ViewExecutable $view */ $view = $form_state->get('view'); $display = &$form_state->get('display'); $form_state->setUserInput($view->getExposedInput()); // Let form plugins know this is for exposed widgets. $form_state->set('exposed', TRUE); // Check if the form was already created if ($cache = $this->exposedFormCache->getForm($view->storage->id(), $view->current_display)) { return $cache; } $form['#info'] = array(); // Go through each handler and let it generate its exposed widget. foreach ($view->display_handler->handlers as $type => $value) { /** @var \Drupal\views\Plugin\views\ViewsHandlerInterface $handler */ foreach ($view->$type as $id => $handler) { if ($handler->canExpose() && $handler->isExposed()) { // Grouped exposed filters have their own forms. // Instead of render the standard exposed form, a new Select or // Radio form field is rendered with the available groups. // When an user choose an option the selected value is split // into the operator and value that the item represents. if ($handler->isAGroup()) { $handler->groupForm($form, $form_state); $id = $handler->options['group_info']['identifier']; } else { $handler->buildExposedForm($form, $form_state); } if ($info = $handler->exposedInfo()) { $form['#info']["$type-$id"] = $info; } } } } $form['actions'] = array( '#type' => 'actions' ); $form['actions']['submit'] = array( // Prevent from showing up in \Drupal::request()->query. '#name' => '', '#type' => 'submit', '#value' => $this->t('Apply'), '#id' => Html::getUniqueId('edit-submit-' . $view->storage->id()), ); $form['#action'] = $view->hasUrl() ? $view->getUrl()->toString() : Url::fromRoute('<current>')->toString(); $form['#theme'] = $view->buildThemeFunctions('views_exposed_form'); $form['#id'] = Html::cleanCssIdentifier('views_exposed_form-' . $view->storage->id() . '-' . $display['id']); /** @var \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginInterface $exposed_form_plugin */ $exposed_form_plugin = $view->display_handler->getPlugin('exposed_form'); $exposed_form_plugin->exposedFormAlter($form, $form_state); // Save the form. $this->exposedFormCache->setForm($view->storage->id(), $view->current_display, $form); return $form;} |
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