class SmartDateRecurrenceFormatter in Smart Date 3.0.x

Plugin for a recurrence-optimized formatter for 'smartdate' fields.

This formatter renders the start time range using <time> elements, with recurring dates given special formatting.

Plugin annotation

@FieldFormatter(
  id = "smartdate_recurring",
  label = @Translation("Recurring"),
  field_types = {
    "smartdate"
  }
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\Core\Field\PluginSettingsBase implements DependentPluginInterface, PluginSettingsInterface
      • class \Drupal\Core\Field\FormatterBase implements FormatterInterface, ContainerFactoryPluginInterface
        • class \Drupal\datetime\Plugin\Field\FieldFormatter\DateTimeFormatterBase
          • class \Drupal\datetime\Plugin\Field\FieldFormatter\DateTimeDefaultFormatter
            • class \Drupal\smart_date\Plugin\Field\FieldFormatter\SmartDateDefaultFormatter uses SmartDateTrait
              • class \Drupal\smart_date_recur\Plugin\Field\FieldFormatter\SmartDateRecurrenceFormatter uses SmartDateTrait

File

modules/smart_date_recur/src/Plugin/Field/FieldFormatter/SmartDateRecurrenceFormatter.php, line 26

Namespace

Drupal\smart_date_recur\Plugin\Field\FieldFormatter

class SmartDateRecurrenceFormatter extends SmartDateDefaultFormatter {
  use SmartDateTrait;

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'past_display' => '2',
      'upcoming_display' => '2',
      'show_next' => FALSE,
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {

    // Use the upstream settings form, which gives us a control to override the
    // timezone.
    $form = parent::settingsForm($form, $form_state);

    // Ask the user to choose how many past and upcoming instances to display.
    $form['past_display'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Recent Instances'),
      '#description' => $this
        ->t('Specify how many recent instances to display'),
      '#default_value' => $this
        ->getSetting('past_display'),
    ];
    $form['upcoming_display'] = [
      '#type' => 'number',
      '#title' => $this
        ->t('Upcoming Instances'),
      '#description' => $this
        ->t('Specify how many upcoming instances to display'),
      '#default_value' => $this
        ->getSetting('upcoming_display'),
    ];
    $form['show_next'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Show next instance separately'),
      '#description' => $this
        ->t('Isolate the next instance to make it more obvious'),
      '#default_value' => $this
        ->getSetting('show_next'),
      '#states' => [
        // Show this option only if at least one upcoming value will be shown.
        'invisible' => [
          //don't mistake :input for the type of field. You'll always use

          //:input here, no matter whether your source is a select, radio or checkbox element.
          [
            ':input[name$="[settings_edit_form][settings][upcoming_display]"]' => [
              'filled' => FALSE,
            ],
          ],
          [
            ':input[name$="[settings_edit_form][settings][upcoming_display]"]' => [
              'value' => '0',
            ],
          ],
        ],
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary[] = $this
      ->getSetting('timezone_override') === '' ? $this
      ->t('No timezone override.') : $this
      ->t('Timezone overridden to %timezone.', [
      '%timezone' => $this
        ->getSetting('timezone_override'),
    ]);
    $summary[] = $this
      ->t('Smart date format: %format.', [
      '%format' => $this
        ->getSetting('format'),
    ]);
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];

    // TODO: intellident switching between retrieval methods
    // Look for a defined format and use it if specified.
    $format_label = $this
      ->getSetting('format');
    $add_classes = $this
      ->getSetting('add_classes');
    $renderer = \Drupal::service('renderer');
    if ($format_label) {
      $format = SmartDateFormat::load($format_label);
      $settings = $format
        ->getOptions();
    }
    else {
      $settings = [
        'separator' => $this
          ->getSetting('separator'),
        'join' => $this
          ->getSetting('join'),
        'time_format' => $this
          ->getSetting('time_format'),
        'time_hour_format' => $this
          ->getSetting('time_hour_format'),
        'date_format' => $this
          ->getSetting('date_format'),
        'date_first' => $this
          ->getSetting('date_first'),
        'ampm_reduce' => $this
          ->getSetting('ampm_reduce'),
        'allday_label' => $this
          ->getSetting('allday_label'),
      ];
    }
    $rrules = [];
    foreach ($items as $delta => $item) {
      $timezone = $item->timezone ? $item->timezone : NULL;
      if (empty($item->value) || empty($item->end_value)) {
        continue;
      }
      if (empty($item->rrule)) {

        // No rule so include the item directly.
        $elements[$delta] = static::formatSmartDate($item->value, $item->end_value, $settings, $timezone);
      }
      else {

        // Uses a rule, so use a placeholder instead.
        if (!isset($rrules[$item->rrule])) {
          $elements[$delta] = $item->rrule;
          $rrules[$item->rrule]['delta'] = $delta;
        }

        // Add this instance to our array of instances for the rule.
        $rrules[$item->rrule]['instances'][] = $item;
      }
    }
    foreach ($rrules as $rrid => $rrule_collected) {
      $rrule_output = [
        '#theme' => 'smart_date_recurring_formatter',
      ];
      $instances = $rrule_collected['instances'];
      if (empty($instances)) {
        continue;
      }
      $delta = $rrule_collected['delta'];

      // Retrieve the text of the rrule.
      $rrule = SmartDateRule::load($rrid);
      $rrule_output['#rule_text'] = $rrule
        ->getTextRule();

      // Find the 'next' instance after now.
      $next_index = $this
        ->findNextInstance($instances);

      // Get the specified number of past instances.
      $past_display = $this
        ->getSetting('past_display');

      // Display past instances if set and at least one instances in the past.
      if ($past_display && $next_index) {
        if ($next_index == -1) {
          $begin = count($instances) - $past_display;
        }
        else {
          $begin = $next_index - $past_display;
        }
        if ($begin < 0) {
          $begin = 0;
          $past_display = $next_index;
        }
        $past_instances = array_slice($instances, $begin, $past_display);
        $rrule_output['#past_display'] = [
          '#theme' => 'item_list',
          '#list_type' => 'ul',
        ];
        $output['#theme'] = 'container';
        foreach ($past_instances as $item) {
          $output = static::formatSmartDate($item->value, $item->end_value, $settings, $item->timezone);
          if ($add_classes) {
            $this
              ->addRangeClasses($output);
          }
          $rrule_output['#past_display']['#items'][] = $renderer
            ->render($output);
        }
      }
      $upcoming_display = $this
        ->getSetting('upcoming_display');

      // Display upcoming instances if set and at least one instance upcoming.
      if ($upcoming_display && $next_index < count($instances) && $next_index != -1) {
        $upcoming_instances = array_slice($instances, $next_index, $upcoming_display);
        $rrule_output['#upcoming_display'] = [
          '#theme' => 'item_list',
          '#list_type' => 'ul',
        ];
        foreach ($upcoming_instances as $item) {
          $output = static::formatSmartDate($item->value, $item->end_value, $settings, $item->timezone);
          if ($add_classes) {
            $this
              ->addRangeClasses($output);
          }
          $rrule_output['#upcoming_display']['#items'][] = $renderer
            ->render($output);
        }
        if ($this
          ->getSetting('show_next')) {
          $rrule_output['#next_display'] = array_shift($rrule_output['#upcoming_display']['#items']);
        }
      }
      $elements[$delta] = $rrule_output;
    }
    return $elements;
  }

  /**
   * Helper function to find the next instance from now in a provided range.
   */
  private function findNextInstance(array $instances) {
    $next_index = -1;
    $time = time();
    foreach ($instances as $index => $instance) {
      if ($instance->value > $time) {
        $next_index = $index;
        break;
      }
    }
    return $next_index;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DateTimeDefaultFormatter::formatDate	protected	function	Creates a formatted date value as a string. Overrides DateTimeFormatterBase::formatDate
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::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::__construct	public	function	Constructs a new DateTimeDefaultFormatter. Overrides FormatterBase::__construct
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
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::$viewMode	protected	property	The view mode.
FormatterBase::getFieldSetting	protected	function	Returns the value of a field setting.
FormatterBase::getFieldSettings	protected	function	Returns the array of field settings.
FormatterBase::isApplicable	public static	function	Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable	14
FormatterBase::prepareView	public	function	Allows formatters to load information for field values being displayed. Overrides FormatterInterface::prepareView	2
FormatterBase::view	public	function	Builds a renderable array for a fully themed field. Overrides FormatterInterface::view	1
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	2
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginSettingsBase::$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
SmartDateDefaultFormatter::getAvailableSmartDateFormatOptions	protected	function	Get an array of available Smart Date format options.
SmartDateRecurrenceFormatter::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides SmartDateDefaultFormatter::defaultSettings
SmartDateRecurrenceFormatter::findNextInstance	private	function	Helper function to find the next instance from now in a provided range.
SmartDateRecurrenceFormatter::settingsForm	public	function	Returns a form to configure settings for the formatter. Overrides SmartDateDefaultFormatter::settingsForm
SmartDateRecurrenceFormatter::settingsSummary	public	function	Returns a short summary for the current formatter settings. Overrides SmartDateDefaultFormatter::settingsSummary
SmartDateRecurrenceFormatter::viewElements	public	function	Overrides SmartDateTrait::viewElements
SmartDateTrait::addRangeClasses	private	function
SmartDateTrait::arrayToRender	private static	function	Helper function to turn a simple, nested array into a render array.
SmartDateTrait::formatSmartDate	public static	function	Creates a formatted date value as a string.
SmartDateTrait::isAllDay	public static	function	Evaluates whether or not a provided range is "all day".
SmartDateTrait::loadSmartDateFormat	public static	function	Load a Smart Date Format from a format name.
SmartDateTrait::rangeDateReduce	private static	function	Reduce duplication in a provided date range.
SmartDateTrait::rangeFormat	private static	function	Format a provided range, using provided settings.
SmartDateTrait::timeFormat	private static	function	Helper function to apply time formats.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.