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