--- /dev/null
+<?php
+
+namespace Drupal\datetime\Plugin\Field\FieldFormatter;
+
+use Drupal\Component\Utility\SafeMarkup;
+use Drupal\Core\Cache\CacheableMetadata;
+use Drupal\Core\Datetime\DateFormatterInterface;
+use Drupal\Core\Datetime\DrupalDateTime;
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Plugin implementation of the 'Time ago' formatter for 'datetime' fields.
+ *
+ * @FieldFormatter(
+ * id = "datetime_time_ago",
+ * label = @Translation("Time ago"),
+ * field_types = {
+ * "datetime"
+ * }
+ * )
+ */
+class DateTimeTimeAgoFormatter extends FormatterBase implements ContainerFactoryPluginInterface {
+
+ /**
+ * The date formatter service.
+ *
+ * @var \Drupal\Core\Datetime\DateFormatterInterface
+ */
+ protected $dateFormatter;
+
+ /**
+ * The current Request object.
+ *
+ * @var \Symfony\Component\HttpFoundation\Request
+ */
+ protected $request;
+
+ /**
+ * Constructs a DateTimeTimeAgoFormatter object.
+ *
+ * @param string $plugin_id
+ * The plugin_id for the formatter.
+ * @param mixed $plugin_definition
+ * The plugin implementation definition.
+ * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
+ * The definition of the field to which the formatter is associated.
+ * @param array $settings
+ * The formatter settings.
+ * @param string $label
+ * The formatter label display setting.
+ * @param string $view_mode
+ * The view mode.
+ * @param array $third_party_settings
+ * Third party settings.
+ * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
+ * The date formatter service.
+ * @param \Symfony\Component\HttpFoundation\Request $request
+ * The current request.
+ */
+ public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatterInterface $date_formatter, Request $request) {
+ parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+
+ $this->dateFormatter = $date_formatter;
+ $this->request = $request;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function defaultSettings() {
+ $settings = [
+ 'future_format' => '@interval hence',
+ 'past_format' => '@interval ago',
+ 'granularity' => 2,
+ ] + parent::defaultSettings();
+
+ return $settings;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ return new static(
+ $plugin_id,
+ $plugin_definition,
+ $configuration['field_definition'],
+ $configuration['settings'],
+ $configuration['label'],
+ $configuration['view_mode'],
+ $configuration['third_party_settings'],
+ $container->get('date.formatter'),
+ $container->get('request_stack')->getCurrentRequest()
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function viewElements(FieldItemListInterface $items, $langcode) {
+ $elements = [];
+
+ foreach ($items as $delta => $item) {
+ $date = $item->date;
+ $output = [];
+ if (!empty($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);
+ }
+ $output = $this->formatDate($date);
+ }
+ $elements[$delta] = $output;
+ }
+
+ return $elements;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsForm(array $form, FormStateInterface $form_state) {
+ $form = parent::settingsForm($form, $form_state);
+
+ $form['future_format'] = [
+ '#type' => 'textfield',
+ '#title' => $this->t('Future format'),
+ '#default_value' => $this->getSetting('future_format'),
+ '#description' => $this->t('Use <em>@interval</em> where you want the formatted interval text to appear.'),
+ ];
+
+ $form['past_format'] = [
+ '#type' => 'textfield',
+ '#title' => $this->t('Past format'),
+ '#default_value' => $this->getSetting('past_format'),
+ '#description' => $this->t('Use <em>@interval</em> where you want the formatted interval text to appear.'),
+ ];
+
+ $form['granularity'] = [
+ '#type' => 'number',
+ '#title' => $this->t('Granularity'),
+ '#default_value' => $this->getSetting('granularity'),
+ '#description' => $this->t('How many time units should be shown in the formatted output.'),
+ ];
+
+ return $form;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsSummary() {
+ $summary = parent::settingsSummary();
+
+ $future_date = new DrupalDateTime('1 year 1 month 1 week 1 day 1 hour 1 minute');
+ $past_date = new DrupalDateTime('-1 year -1 month -1 week -1 day -1 hour -1 minute');
+ $summary[] = t('Future date: %display', ['%display' => $this->formatDate($future_date)]);
+ $summary[] = t('Past date: %display', ['%display' => $this->formatDate($past_date)]);
+
+ return $summary;
+ }
+
+ /**
+ * Formats a date/time as a time interval.
+ *
+ * @param \Drupal\Core\Datetime\DrupalDateTime|object $date
+ * A date/time object.
+ *
+ * @return array
+ * The formatted date/time string using the past or future format setting.
+ */
+ protected function formatDate(DrupalDateTime $date) {
+ $granularity = $this->getSetting('granularity');
+ $timestamp = $date->getTimestamp();
+ $options = [
+ 'granularity' => $granularity,
+ 'return_as_object' => TRUE,
+ ];
+
+ if ($this->request->server->get('REQUEST_TIME') > $timestamp) {
+ $result = $this->dateFormatter->formatTimeDiffSince($timestamp, $options);
+ $build = [
+ '#markup' => SafeMarkup::format($this->getSetting('past_format'), ['@interval' => $result->getString()]),
+ ];
+ }
+ else {
+ $result = $this->dateFormatter->formatTimeDiffUntil($timestamp, $options);
+ $build = [
+ '#markup' => SafeMarkup::format($this->getSetting('future_format'), ['@interval' => $result->getString()]),
+ ];
+ }
+ CacheableMetadata::createFromObject($result)->applyTo($build);
+ return $build;
+ }
+
+}
projects / yaffs-website / blobdiff