Version 1

[yaffs-website] / web / core / modules / datetime / src / Plugin / Field / FieldWidget / DateTimeWidgetBase.php

diff --git a/web/core/modules/datetime/src/Plugin/Field/FieldWidget/DateTimeWidgetBase.php b/web/core/modules/datetime/src/Plugin/Field/FieldWidget/DateTimeWidgetBase.php
new file mode 100644 (file)
index 0000000..f965e21
--- /dev/null
+++ b/web/core/modules/datetime/src/Plugin/Field/FieldWidget/DateTimeWidgetBase.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace Drupal\datetime\Plugin\Field\FieldWidget;
+
+use Drupal\Core\Datetime\DrupalDateTime;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\WidgetBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\datetime\Plugin\Field\FieldType\DateTimeItem;
+
+/**
+ * Base class for the 'datetime_*' widgets.
+ */
+class DateTimeWidgetBase extends WidgetBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
+    $element['value'] = [
+      '#type' => 'datetime',
+      '#default_value' => NULL,
+      '#date_increment' => 1,
+      '#date_timezone' => drupal_get_user_timezone(),
+      '#required' => $element['#required'],
+    ];
+
+    if ($this->getFieldSetting('datetime_type') == DateTimeItem::DATETIME_TYPE_DATE) {
+      // A date-only field should have no timezone conversion performed, so
+      // use the same timezone as for storage.
+      $element['value']['#date_timezone'] = DATETIME_STORAGE_TIMEZONE;
+    }
+
+    if ($items[$delta]->date) {
+      $date = $items[$delta]->date;
+      // The date was created and verified during field_load(), so it is safe to
+      // use without further inspection.
+      if ($this->getFieldSetting('datetime_type') == DateTimeItem::DATETIME_TYPE_DATE) {
+        // A date without time will pick up the current time, use the default
+        // time.
+        datetime_date_default_time($date);
+      }
+      $date->setTimezone(new \DateTimeZone($element['value']['#date_timezone']));
+      $element['value']['#default_value'] = $date;
+    }
+
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
+    // The widget form element type has transformed the value to a
+    // DrupalDateTime object at this point. We need to convert it back to the
+    // storage timezone and format.
+    foreach ($values as &$item) {
+      if (!empty($item['value']) && $item['value'] instanceof DrupalDateTime) {
+        $date = $item['value'];
+        switch ($this->getFieldSetting('datetime_type')) {
+          case DateTimeItem::DATETIME_TYPE_DATE:
+            // If this is a date-only field, set it to the default time so the
+            // timezone conversion can be reversed.
+            datetime_date_default_time($date);
+            $format = DATETIME_DATE_STORAGE_FORMAT;
+            break;
+
+          default:
+            $format = DATETIME_DATETIME_STORAGE_FORMAT;
+            break;
+        }
+        // Adjust the date for storage.
+        $date->setTimezone(new \DateTimezone(DATETIME_STORAGE_TIMEZONE));
+        $item['value'] = $date->format($format);
+      }
+    }
+    return $values;
+  }
+
+}