class DateTimeFormatterBase

Same name in other branches
  1. 9 core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php \Drupal\datetime\Plugin\Field\FieldFormatter\DateTimeFormatterBase
  2. 8.9.x core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php \Drupal\datetime\Plugin\Field\FieldFormatter\DateTimeFormatterBase
  3. 11.x core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php \Drupal\datetime\Plugin\Field\FieldFormatter\DateTimeFormatterBase

Base class for 'DateTime Field formatter' plugin implementations.

Hierarchy

Expanded class hierarchy of DateTimeFormatterBase

File

core/modules/datetime/src/Plugin/Field/FieldFormatter/DateTimeFormatterBase.php, line 20

Namespace

Drupal\datetime\Plugin\Field\FieldFormatter
View source
abstract class DateTimeFormatterBase extends FormatterBase {
    
    /**
     * The date formatter service.
     *
     * @var \Drupal\Core\Datetime\DateFormatterInterface
     */
    protected $dateFormatter;
    
    /**
     * The date format entity storage.
     *
     * @var \Drupal\Core\Entity\EntityStorageInterface
     */
    protected $dateFormatStorage;
    
    /**
     * Constructs a new DateTimeDefaultFormatter.
     *
     * @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 \Drupal\Core\Entity\EntityStorageInterface $date_format_storage
     *   The date format entity storage.
     */
    public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, DateFormatterInterface $date_formatter, EntityStorageInterface $date_format_storage) {
        parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
        $this->dateFormatter = $date_formatter;
        $this->dateFormatStorage = $date_format_storage;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($plugin_id, $plugin_definition, $configuration['field_definition'], $configuration['settings'], $configuration['label'], $configuration['view_mode'], $configuration['third_party_settings'], $container->get('date.formatter'), $container->get('entity_type.manager')
            ->getStorage('date_format'));
    }
    
    /**
     * {@inheritdoc}
     */
    public static function defaultSettings() {
        return [
            'timezone_override' => '',
        ] + parent::defaultSettings();
    }
    
    /**
     * {@inheritdoc}
     */
    public function settingsForm(array $form, FormStateInterface $form_state) {
        $form = parent::settingsForm($form, $form_state);
        $form['timezone_override'] = [
            '#type' => 'select',
            '#title' => $this->t('Time zone override'),
            '#description' => $this->t('The time zone selected here will always be used'),
            '#options' => TimeZoneFormHelper::getOptionsListByRegion(TRUE),
            '#default_value' => $this->getSetting('timezone_override'),
        ];
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function settingsSummary() {
        $summary = parent::settingsSummary();
        if ($override = $this->getSetting('timezone_override')) {
            $summary[] = $this->t('Time zone: @timezone', [
                '@timezone' => $override,
            ]);
        }
        return $summary;
    }
    
    /**
     * {@inheritdoc}
     */
    public function viewElements(FieldItemListInterface $items, $langcode) {
        $elements = [];
        foreach ($items as $delta => $item) {
            if ($item->date) {
                
                /** @var \Drupal\Core\Datetime\DrupalDateTime $date */
                $date = $item->date;
                $elements[$delta] = $this->buildDateWithIsoAttribute($date);
                if (!empty($item->_attributes)) {
                    $elements[$delta]['#attributes'] += $item->_attributes;
                    // Unset field item attributes since they have been included in the
                    // formatter output and should not be rendered in the field template.
                    unset($item->_attributes);
                }
            }
        }
        return $elements;
    }
    
    /**
     * Creates a formatted date value as a string.
     *
     * @param object $date
     *   A date object.
     *
     * @return string
     *   A formatted date string using the chosen format.
     */
    protected abstract function formatDate($date);
    
    /**
     * Sets the proper time zone on a DrupalDateTime object for the current user.
     *
     * A DrupalDateTime object loaded from the database will have the UTC time
     * zone applied to it.  This method will apply the time zone for the current
     * user, based on system and user settings.
     *
     * @param \Drupal\Core\Datetime\DrupalDateTime $date
     *   A DrupalDateTime object.
     */
    protected function setTimeZone(DrupalDateTime $date) {
        if ($this->getFieldSetting('datetime_type') === DateTimeItem::DATETIME_TYPE_DATE) {
            // A date without time has no timezone conversion.
            $timezone = DateTimeItemInterface::STORAGE_TIMEZONE;
        }
        else {
            $timezone = date_default_timezone_get();
        }
        $date->setTimeZone(timezone_open($timezone));
    }
    
    /**
     * Gets a settings array suitable for DrupalDateTime::format().
     *
     * @return array
     *   The settings array that can be passed to DrupalDateTime::format().
     */
    protected function getFormatSettings() {
        $settings = [];
        if ($this->getSetting('timezone_override') != '') {
            $settings['timezone'] = $this->getSetting('timezone_override');
        }
        return $settings;
    }
    
    /**
     * Creates a render array from a date object.
     *
     * @param \Drupal\Core\Datetime\DrupalDateTime $date
     *   A date object.
     *
     * @return array
     *   A render array.
     */
    protected function buildDate(DrupalDateTime $date) {
        $this->setTimeZone($date);
        $build = [
            '#markup' => $this->formatDate($date),
            '#cache' => [
                'contexts' => [
                    'timezone',
                ],
            ],
        ];
        return $build;
    }
    
    /**
     * Creates a render array from a date object with ISO date attribute.
     *
     * @param \Drupal\Core\Datetime\DrupalDateTime $date
     *   A date object.
     *
     * @return array
     *   A render array.
     */
    protected function buildDateWithIsoAttribute(DrupalDateTime $date) {
        // Create the ISO date in Universal Time.
        $iso_date = $date->format("Y-m-d\\TH:i:s") . 'Z';
        $this->setTimeZone($date);
        $build = [
            '#theme' => 'time',
            '#text' => $this->formatDate($date),
            '#attributes' => [
                'datetime' => $iso_date,
            ],
            '#cache' => [
                'contexts' => [
                    'timezone',
                ],
            ],
        ];
        return $build;
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
DateTimeFormatterBase::$dateFormatStorage protected property The date format entity storage.
DateTimeFormatterBase::$dateFormatter protected property The date formatter service.
DateTimeFormatterBase::buildDate protected function Creates a render array from a date object.
DateTimeFormatterBase::buildDateWithIsoAttribute protected function Creates a render array from a date object with ISO date attribute.
DateTimeFormatterBase::create public static function Creates an instance of the plugin. Overrides FormatterBase::create
DateTimeFormatterBase::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings 3
DateTimeFormatterBase::formatDate abstract protected function Creates a formatted date value as a string. 3
DateTimeFormatterBase::getFormatSettings protected function Gets a settings array suitable for DrupalDateTime::format().
DateTimeFormatterBase::setTimeZone protected function Sets the proper time zone on a DrupalDateTime object for the current user.
DateTimeFormatterBase::settingsForm public function Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm 3
DateTimeFormatterBase::settingsSummary public function Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary 3
DateTimeFormatterBase::viewElements public function Builds a renderable array for a field value. Overrides FormatterInterface::viewElements 2
DateTimeFormatterBase::__construct public function Constructs a new DateTimeDefaultFormatter. Overrides FormatterBase::__construct
FormatterBase::$fieldDefinition protected property The field definition.
FormatterBase::$label protected property The label display setting.
FormatterBase::$settings protected property The formatter settings. Overrides PluginSettingsBase::$settings
FormatterBase::$viewMode protected property The view mode.
FormatterBase::getFieldSetting protected function Returns the value of a field setting.
FormatterBase::getFieldSettings protected function Returns the array of field settings.
FormatterBase::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable 12
FormatterBase::prepareView public function Allows formatters to load information for field values being displayed. Overrides FormatterInterface::prepareView 2
FormatterBase::view public function Builds a renderable array for a fully themed field. Overrides FormatterInterface::view 1
PluginInspectionInterface::getPluginDefinition public function Gets the definition of the plugin implementation. 6
PluginInspectionInterface::getPluginId public function Gets the plugin ID of the plugin instance. 2
PluginSettingsBase::$defaultSettingsMerged protected property Whether default settings have been merged into the current $settings.
PluginSettingsBase::$thirdPartySettings protected property The plugin settings injected by third party modules.
PluginSettingsBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies 6
PluginSettingsBase::getSetting public function Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface::getSetting
PluginSettingsBase::getSettings public function Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface::getSettings
PluginSettingsBase::getThirdPartyProviders public function Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface::getThirdPartyProviders
PluginSettingsBase::getThirdPartySetting public function Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface::getThirdPartySetting
PluginSettingsBase::getThirdPartySettings public function Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface::getThirdPartySettings
PluginSettingsBase::mergeDefaults protected function Merges default settings values into $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.