questionnaires-8.x-1.x-dev/src/Plugin/Field/FieldWidget/MultiChoiceWidget.php
src/Plugin/Field/FieldWidget/MultiChoiceWidget.php
<?php namespace Drupal\questionnaires\Plugin\Field\FieldWidget; use Drupal\Core\Field\FieldItemListInterface; use Drupal\Core\Field\WidgetBase; use Drupal\Core\Form\FormStateInterface; use Symfony\Component\Validator\ConstraintViolationInterface; /** * Plugin implementation of the 'multi_choice_widget' widget. * * @FieldWidget( * id = "multi_choice_widget", * module = "questionnaires", * label = @Translation("Multi choice widget"), * field_types = { * "multi_choice_field" * } * ) */ class MultiChoiceWidget extends WidgetBase { /** * {@inheritdoc} */ public static function defaultSettings() { return [ 'rows' => '5', 'placeholder' => '', ] + parent::defaultSettings(); } /** * {@inheritdoc} */ public function settingsForm(array $form, FormStateInterface $form_state) { $elements = []; $elements['rows'] = array( '#type' => 'number', '#title' => t('Rows'), '#default_value' => $this->getSetting('rows'), '#required' => TRUE, '#min' => 1, ); $elements['placeholder'] = array( '#type' => 'textfield', '#title' => t('Placeholder'), '#default_value' => $this->getSetting('placeholder'), '#description' => t('Text that will be shown inside the field until a value is entered. This hint is usually a sample value or a brief description of the expected format.'), ); return $elements; } /** * {@inheritdoc} */ public function settingsSummary() { $summary = []; $summary[] = t('Number of rows: @rows', array( '@rows' => $this->getSetting('rows'), )); $placeholder = $this->getSetting('placeholder'); if (!empty($placeholder)) { $summary[] = t('Placeholder: @placeholder', array( '@placeholder' => $placeholder, )); } return $summary; } /** * {@inheritdoc} */ public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) { $element = $element + array( '#type' => 'text_format', '#base_type' => 'textarea', '#format' => $items[$delta]->format, '#default_value' => $items[$delta]->value, '#rows' => $this->getSetting('rows'), '#placeholder' => $this->getSetting('placeholder'), '#attributes' => array( 'class' => array( 'js-text-full', 'text-full', ), ), ); $element['correct_answer'] = array( '#type' => 'checkbox', '#default_value' => !empty($items[$delta]->correct_answer), '#title' => t('Correct answer'), ); return $element; } /** * {@inheritdoc} */ public function errorElement(array $element, ConstraintViolationInterface $violation, array $form, FormStateInterface $form_state) { if ($violation->arrayPropertyPath == array( 'format', ) && isset($element['format']['#access']) && !$element['format']['#access']) { return FALSE; } return $element; } }