Chris@4: <?php
Chris@4: 
Chris@4: namespace Drupal\{{ machine_name }}\Plugin\Field\FieldWidget;
Chris@4: 
Chris@4: {% sort %}
Chris@4:   {% if datetime %}
Chris@4: use Drupal\Core\Datetime\DrupalDateTime;
Chris@4:   {% endif %}
Chris@4: use Drupal\Core\Field\FieldItemListInterface;
Chris@4: use Drupal\Core\Field\WidgetBase;
Chris@4: use Drupal\Core\Form\FormStateInterface;
Chris@4: use Symfony\Component\Validator\ConstraintViolationInterface;
Chris@4:   {% if list %}
Chris@4: use Drupal\{{ machine_name }}\Plugin\Field\FieldType\{{ type_class }};
Chris@4:   {% endif %}
Chris@4: {% endsort %}
Chris@4: 
Chris@4: /**
Chris@4:  * Defines the '{{ field_id }}' field widget.
Chris@4:  *
Chris@4:  * @FieldWidget(
Chris@4:  *   id = "{{ field_id }}",
Chris@4:  *   label = @Translation("{{ field_label }}"),
Chris@4:  *   field_types = {"{{ field_id }}"},
Chris@4:  * )
Chris@4:  */
Chris@4: class {{ widget_class }} extends WidgetBase {
Chris@4: 
Chris@4: {% if widget_settings %}
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public static function defaultSettings() {
Chris@4:     return ['foo' => 'bar'] + parent::defaultSettings();
Chris@4:   }
Chris@4: 
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function settingsForm(array $form, FormStateInterface $form_state) {
Chris@4:     $settings = $this->getSettings();
Chris@4:     $element['foo'] = [
Chris@4:       '#type' => 'textfield',
Chris@4:       '#title' => $this->t('Foo'),
Chris@4:       '#default_value' => $settings['foo'],
Chris@4:     ];
Chris@4:     return $element;
Chris@4:   }
Chris@4: 
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function settingsSummary() {
Chris@4:     $settings = $this->getSettings();
Chris@4:     $summary[] = $this->t('Foo: @foo', ['@foo' => $settings['foo']]);
Chris@4:     return $summary;
Chris@4:   }
Chris@4: 
Chris@4: {% endif %}
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
Chris@4: 
Chris@4: {% for subfield in subfields %}
Chris@4:   {% set title %}'#title' => $this->t('{{ subfield.name }}'),{% endset %}
Chris@4:   {% set default_value %}'#default_value' => isset($items[$delta]->{{ subfield.machine_name }}) ? $items[$delta]->{{ subfield.machine_name }} : NULL,{% endset %}
Chris@4:   {% set size %}'#size' => 20,{% endset %}
Chris@4:   {% if subfield.list %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'select',
Chris@4:       {{ title }}
Chris@4:       '#options' => ['' => $this->t('- {{ subfield.required ? 'Select a value' : 'None' }} -')] + {{ type_class }}::{{ subfield.allowed_values_method }}(),
Chris@4:       {{ default_value }}
Chris@4:     ];
Chris@4:   {% else %}
Chris@4:     {% if subfield.type == 'boolean' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'checkbox',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'string' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'textfield',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:       {% if inline %}
Chris@4:       {{ size }}
Chris@4:       {% endif %}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'text' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'textarea',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'integer' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'number',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'float' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'number',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:       '#step' => 0.001,
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'numeric' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'number',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:       '#step' => 0.01,
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'email' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'email',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:       {% if inline %}
Chris@4:       {{ size }}
Chris@4:       {% endif %}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'telephone' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'tel',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:       {% if inline %}
Chris@4:       {{ size }}
Chris@4:       {% endif %}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'uri' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'url',
Chris@4:       {{ title }}
Chris@4:       {{ default_value }}
Chris@4:       {% if inline %}
Chris@4:       {{ size }}
Chris@4:       {% endif %}
Chris@4:     ];
Chris@4:     {% elseif subfield.type == 'datetime' %}
Chris@4:     $element['{{ subfield.machine_name }}'] = [
Chris@4:       '#type' => 'datetime',
Chris@4:       {{ title }}
Chris@4:       '#default_value' => NULL,
Chris@4:       {% if subfield.date_type == 'date' %}
Chris@4:       '#date_time_element' => 'none',
Chris@4:       '#date_time_format' => '',
Chris@4:       {% endif %}
Chris@4:     ];
Chris@4:     if (isset($items[$delta]->{{ subfield.machine_name }})) {
Chris@4:       $element['{{ subfield.machine_name }}']['#default_value'] = DrupalDateTime::createFromFormat(
Chris@4:         '{{ subfield.date_storage_format }}',
Chris@4:         $items[$delta]->{{ subfield.machine_name }},
Chris@4:         'UTC'
Chris@4:       );
Chris@4:     }
Chris@4:     {% endif %}
Chris@4:   {% endif %}
Chris@4: 
Chris@4: {% endfor %}
Chris@4:     $element['#theme_wrappers'] = ['container', 'form_element'];
Chris@4: {% if inline %}
Chris@4:     $element['#attributes']['class'][] = 'container-inline';
Chris@4: {% endif %}
Chris@4:     $element['#attributes']['class'][] = '{{ field_id|u2h }}-elements';
Chris@4:     $element['#attached']['library'][] = '{{ machine_name }}/{{ field_id }}';
Chris@4: 
Chris@4:     return $element;
Chris@4:   }
Chris@4: 
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function errorElement(array $element, ConstraintViolationInterface $violation, array $form, FormStateInterface $form_state) {
Chris@4:     return isset($violation->arrayPropertyPath[0]) ? $element[$violation->arrayPropertyPath[0]] : $element;
Chris@4:   }
Chris@4: 
Chris@4:   /**
Chris@4:    * {@inheritdoc}
Chris@4:    */
Chris@4:   public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
Chris@4:     foreach ($values as $delta => $value) {
Chris@4: {% for subfield in subfields %}
Chris@4:       if ($value['{{ subfield.machine_name }}'] === '') {
Chris@4:         $values[$delta]['{{ subfield.machine_name }}'] = NULL;
Chris@4:       }
Chris@4:   {% if subfield.type == 'datetime' %}
Chris@4:       if ($value['{{ subfield.machine_name }}'] instanceof DrupalDateTime) {
Chris@4:         $values[$delta]['{{ subfield.machine_name }}'] = $value['{{ subfield.machine_name }}']->format('{{ subfield.date_storage_format }}');
Chris@4:       }
Chris@4:   {% endif %}
Chris@4: {% endfor %}
Chris@4:     }
Chris@4:     return $values;
Chris@4:   }
Chris@4: 
Chris@4: }