--- /dev/null
+<?php
+
+namespace Drupal\datetime_range\Plugin\Field\FieldWidget;
+
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\datetime_range\Plugin\Field\FieldType\DateRangeItem;
+
+/**
+ * Plugin implementation of the 'daterange_datelist' widget.
+ *
+ * @FieldWidget(
+ * id = "daterange_datelist",
+ * label = @Translation("Select list"),
+ * field_types = {
+ * "daterange"
+ * }
+ * )
+ */
+class DateRangeDatelistWidget extends DateRangeWidgetBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function defaultSettings() {
+ return [
+ 'increment' => '15',
+ 'date_order' => 'YMD',
+ 'time_type' => '24',
+ ] + parent::defaultSettings();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
+ $element = parent::formElement($items, $delta, $element, $form, $form_state);
+
+ $date_order = $this->getSetting('date_order');
+
+ if ($this->getFieldSetting('datetime_type') == DateRangeItem::DATETIME_TYPE_DATETIME) {
+ $time_type = $this->getSetting('time_type');
+ $increment = $this->getSetting('increment');
+ }
+ else {
+ $time_type = '';
+ $increment = '';
+ }
+
+ // Set up the date part order array.
+ switch ($date_order) {
+ default:
+ case 'YMD':
+ $date_part_order = ['year', 'month', 'day'];
+ break;
+
+ case 'MDY':
+ $date_part_order = ['month', 'day', 'year'];
+ break;
+
+ case 'DMY':
+ $date_part_order = ['day', 'month', 'year'];
+ break;
+ }
+ switch ($time_type) {
+ case '24':
+ $date_part_order = array_merge($date_part_order, ['hour', 'minute']);
+ break;
+
+ case '12':
+ $date_part_order = array_merge($date_part_order, ['hour', 'minute', 'ampm']);
+ break;
+
+ case 'none':
+ break;
+ }
+
+ $element['value'] = [
+ '#type' => 'datelist',
+ '#date_increment' => $increment,
+ '#date_part_order' => $date_part_order,
+ ] + $element['value'];
+
+ $element['end_value'] = [
+ '#type' => 'datelist',
+ '#date_increment' => $increment,
+ '#date_part_order' => $date_part_order,
+ ] + $element['end_value'];
+
+ return $element;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsForm(array $form, FormStateInterface $form_state) {
+ $element = parent::settingsForm($form, $form_state);
+
+ $element['date_order'] = [
+ '#type' => 'select',
+ '#title' => $this->t('Date part order'),
+ '#default_value' => $this->getSetting('date_order'),
+ '#options' => ['MDY' => $this->t('Month/Day/Year'), 'DMY' => $this->t('Day/Month/Year'), 'YMD' => $this->t('Year/Month/Day')],
+ ];
+
+ if ($this->getFieldSetting('datetime_type') == DateRangeItem::DATETIME_TYPE_DATETIME) {
+ $element['time_type'] = [
+ '#type' => 'select',
+ '#title' => $this->t('Time type'),
+ '#default_value' => $this->getSetting('time_type'),
+ '#options' => ['24' => $this->t('24 hour time'), '12' => $this->t('12 hour time')],
+ ];
+
+ $element['increment'] = [
+ '#type' => 'select',
+ '#title' => $this->t('Time increments'),
+ '#default_value' => $this->getSetting('increment'),
+ '#options' => [
+ 1 => $this->t('1 minute'),
+ 5 => $this->t('5 minute'),
+ 10 => $this->t('10 minute'),
+ 15 => $this->t('15 minute'),
+ 30 => $this->t('30 minute'),
+ ],
+ ];
+ }
+ else {
+ $element['time_type'] = [
+ '#type' => 'hidden',
+ '#value' => 'none',
+ ];
+
+ $element['increment'] = [
+ '#type' => 'hidden',
+ '#value' => $this->getSetting('increment'),
+ ];
+ }
+
+ return $element;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsSummary() {
+ $summary = [];
+
+ $summary[] = $this->t('Date part order: @order', ['@order' => $this->getSetting('date_order')]);
+ if ($this->getFieldSetting('datetime_type') == DateRangeItem::DATETIME_TYPE_DATETIME) {
+ $summary[] = $this->t('Time type: @time_type', ['@time_type' => $this->getSetting('time_type')]);
+ $summary[] = $this->t('Time increments: @increment', ['@increment' => $this->getSetting('increment')]);
+ }
+
+ return $summary;
+ }
+
+}