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<?php
namespace Drupal\views\Plugin\views\field;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\ResultRow;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Datetime\DateFormatterInterface;
/**
* A handler to provide proper displays for dates.
*
* @ingroup views_field_handlers
*
* @ViewsField("date")
*/
class Date extends FieldPluginBase {
/**
* The date formatter service.
*
* @var \Drupal\Core\Datetime\DateFormatterInterface
*/
protected $dateFormatter;
/**
* The date format storage.
*
* @var \Drupal\Core\Entity\EntityStorageInterface
*/
protected $dateFormatStorage;
/**
* Constructs a new Date object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin ID for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
* The date formatter service.
* @param \Drupal\Core\Entity\EntityStorageInterface $date_format_storage
* The date format storage.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, DateFormatterInterface $date_formatter, EntityStorageInterface $date_format_storage) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->dateFormatter = $date_formatter;
$this->dateFormatStorage = $date_format_storage;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static(
$configuration,
$plugin_id,
$plugin_definition,
$container->get('date.formatter'),
$container->get('entity.manager')->getStorage('date_format')
);
}
/**
* {@inheritdoc}
*/
protected function defineOptions() {
$options = parent::defineOptions();
$options['date_format'] = ['default' => 'small'];
$options['custom_date_format'] = ['default' => ''];
$options['timezone'] = ['default' => ''];
return $options;
}
/**
* {@inheritdoc}
*/
public function buildOptionsForm(&$form, FormStateInterface $form_state) {
$date_formats = [];
foreach ($this->dateFormatStorage->loadMultiple() as $machine_name => $value) {
$date_formats[$machine_name] = $this->t('@name format: @date', ['@name' => $value->label(), '@date' => $this->dateFormatter->format(REQUEST_TIME, $machine_name)]);
}
$form['date_format'] = [
'#type' => 'select',
'#title' => $this->t('Date format'),
'#options' => $date_formats + [
'custom' => $this->t('Custom'),
'raw time ago' => $this->t('Time ago'),
'time ago' => $this->t('Time ago (with "ago" appended)'),
'raw time hence' => $this->t('Time hence'),
'time hence' => $this->t('Time hence (with "hence" appended)'),
'raw time span' => $this->t('Time span (future dates have "-" prepended)'),
'inverse time span' => $this->t('Time span (past dates have "-" prepended)'),
'time span' => $this->t('Time span (with "ago/hence" appended)'),
],
'#default_value' => isset($this->options['date_format']) ? $this->options['date_format'] : 'small',
];
$form['custom_date_format'] = [
'#type' => 'textfield',
'#title' => $this->t('Custom date format'),
'#description' => $this->t('If "Custom", see <a href="http://us.php.net/manual/en/function.date.php" target="_blank">the PHP docs</a> for date formats. Otherwise, enter the number of different time units to display, which defaults to 2.'),
'#default_value' => isset($this->options['custom_date_format']) ? $this->options['custom_date_format'] : '',
];
// Setup #states for all possible date_formats on the custom_date_format form element.
foreach (['custom', 'raw time ago', 'time ago', 'raw time hence', 'time hence', 'raw time span', 'time span', 'raw time span', 'inverse time span', 'time span'] as $custom_date_possible) {
$form['custom_date_format']['#states']['visible'][] = [
':input[name="options[date_format]"]' => ['value' => $custom_date_possible],
];
}
$form['timezone'] = [
'#type' => 'select',
'#title' => $this->t('Timezone'),
'#description' => $this->t('Timezone to be used for date output.'),
'#options' => ['' => $this->t('- Default site/user timezone -')] + system_time_zones(FALSE),
'#default_value' => $this->options['timezone'],
];
foreach (array_merge(['custom'], array_keys($date_formats)) as $timezone_date_formats) {
$form['timezone']['#states']['visible'][] = [
':input[name="options[date_format]"]' => ['value' => $timezone_date_formats],
];
}
parent::buildOptionsForm($form, $form_state);
}
/**
* {@inheritdoc}
*/
public function render(ResultRow $values) {
$value = $this->getValue($values);
$format = $this->options['date_format'];
if (in_array($format, ['custom', 'raw time ago', 'time ago', 'raw time hence', 'time hence', 'raw time span', 'time span', 'raw time span', 'inverse time span', 'time span'])) {
$custom_format = $this->options['custom_date_format'];
}
if ($value) {
$timezone = !empty($this->options['timezone']) ? $this->options['timezone'] : NULL;
$time_diff = REQUEST_TIME - $value; // will be positive for a datetime in the past (ago), and negative for a datetime in the future (hence)
switch ($format) {
case 'raw time ago':
return $this->dateFormatter->formatTimeDiffSince($value, ['granularity' => is_numeric($custom_format) ? $custom_format : 2]);
case 'time ago':
return $this->t('%time ago', ['%time' => $this->dateFormatter->formatTimeDiffSince($value, ['granularity' => is_numeric($custom_format) ? $custom_format : 2])]);
case 'raw time hence':
return $this->dateFormatter->formatTimeDiffUntil($value, ['granularity' => is_numeric($custom_format) ? $custom_format : 2]);
case 'time hence':
return $this->t('%time hence', ['%time' => $this->dateFormatter->formatTimeDiffUntil($value, ['granularity' => is_numeric($custom_format) ? $custom_format : 2])]);
case 'raw time span':
return ($time_diff < 0 ? '-' : '') . $this->dateFormatter->formatTimeDiffSince($value, ['strict' => FALSE, 'granularity' => is_numeric($custom_format) ? $custom_format : 2]);
case 'inverse time span':
return ($time_diff > 0 ? '-' : '') . $this->dateFormatter->formatTimeDiffSince($value, ['strict' => FALSE, 'granularity' => is_numeric($custom_format) ? $custom_format : 2]);
case 'time span':
$time = $this->dateFormatter->formatTimeDiffSince($value, ['strict' => FALSE, 'granularity' => is_numeric($custom_format) ? $custom_format : 2]);
return ($time_diff < 0) ? $this->t('%time hence', ['%time' => $time]) : $this->t('%time ago', ['%time' => $time]);
case 'custom':
if ($custom_format == 'r') {
return format_date($value, $format, $custom_format, $timezone, 'en');
}
return format_date($value, $format, $custom_format, $timezone);
default:
return format_date($value, $format, '', $timezone);
}
}
}
}