Version 1

[yaffs-website] / web / core / modules / datetime / src / Plugin / Field / FieldFormatter / DateTimeCustomFormatter.php

diff --git a/web/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeCustomFormatter.php b/web/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeCustomFormatter.php
new file mode 100644 (file)
index 0000000..445b7ee
--- /dev/null
+++ b/web/core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeCustomFormatter.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace Drupal\datetime\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Datetime\DrupalDateTime;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Plugin implementation of the 'Custom' formatter for 'datetime' fields.
+ *
+ * @FieldFormatter(
+ *   id = "datetime_custom",
+ *   label = @Translation("Custom"),
+ *   field_types = {
+ *     "datetime"
+ *   }
+ *)
+ */
+class DateTimeCustomFormatter extends DateTimeFormatterBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function defaultSettings() {
+    return [
+      'date_format' => DATETIME_DATETIME_STORAGE_FORMAT,
+    ] + parent::defaultSettings();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function viewElements(FieldItemListInterface $items, $langcode) {
+    $elements = [];
+
+    foreach ($items as $delta => $item) {
+      $output = '';
+      if (!empty($item->date)) {
+        /** @var \Drupal\Core\Datetime\DrupalDateTime $date */
+        $date = $item->date;
+
+        if ($this->getFieldSetting('datetime_type') == 'date') {
+          // A date without time will pick up the current time, use the default.
+          datetime_date_default_time($date);
+        }
+        $this->setTimeZone($date);
+
+        $output = $this->formatDate($date);
+      }
+      $elements[$delta] = [
+        '#markup' => $output,
+        '#cache' => [
+          'contexts' => [
+            'timezone',
+          ],
+        ],
+      ];
+    }
+
+    return $elements;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function formatDate($date) {
+    $format = $this->getSetting('date_format');
+    $timezone = $this->getSetting('timezone_override');
+    return $this->dateFormatter->format($date->getTimestamp(), 'custom', $format, $timezone != '' ? $timezone : NULL);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsForm(array $form, FormStateInterface $form_state) {
+    $form = parent::settingsForm($form, $form_state);
+
+    $form['date_format'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Date/time format'),
+      '#description' => $this->t('See <a href="http://php.net/manual/function.date.php" target="_blank">the documentation for PHP date formats</a>.'),
+      '#default_value' => $this->getSetting('date_format'),
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsSummary() {
+    $summary = parent::settingsSummary();
+
+    $date = new DrupalDateTime();
+    $this->setTimeZone($date);
+    $summary[] = $date->format($this->getSetting('date_format'), $this->getFormatSettings());
+
+    return $summary;
+  }
+
+}