class YouTubeThumbFormatter in YouTube Field 8

Plugin implementation of the 'youtube_thumbnail' formatter.

Plugin annotation


@FieldFormatter(
  id = "youtube_thumbnail",
  label = @Translation("YouTube thumbnail"),
  field_types = {
    "youtube"
  }
)

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\youtube\Plugin\Field\FieldFormatter\YouTubeThumbFormatter

Expanded class hierarchy of YouTubeThumbFormatter

File

src/Plugin/Field/FieldFormatter/YouTubeThumbFormatter.php, line 21

Namespace

Drupal\youtube\Plugin\Field\FieldFormatter

View source

class YouTubeThumbFormatter extends FormatterBase {

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return [
      'image_style' => 'thumbnail',
      'image_link' => '',
    ] + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements = parent::settingsForm($form, $form_state);
    $elements['image_style'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Image style'),
      '#options' => image_style_options(FALSE),
      '#default_value' => $this
        ->getSetting('image_style'),
      '#empty_option' => $this
        ->t('None (original image)'),
    ];
    $link_types = [
      'content' => $this
        ->t('Content'),
      'youtube' => $this
        ->t('YouTube'),
    ];
    $elements['image_link'] = [
      '#title' => $this
        ->t('Link image to'),
      '#type' => 'select',
      '#default_value' => $this
        ->getSetting('image_link'),
      '#empty_option' => $this
        ->t('Nothing'),
      '#options' => $link_types,
    ];
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = [];
    $image_style = $this
      ->getSetting('image_style');
    $image_link = $this
      ->getSetting('image_link');
    if ($image_style) {
      $summary[] = $this
        ->t('Image style: @style_name.', [
        '@style_name' => $image_style,
      ]);
    }
    if ($image_link) {
      $summary[] = $this
        ->t('Linked to: @image_link.', [
        '@image_link' => $image_link,
      ]);
    }
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function prepareView(array $entities_items) {
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $element = [];
    $entity = $items
      ->getEntity();
    $image_link = $this
      ->getSetting('image_link');

    // Check if the formatter involves a link.
    if (!empty($image_link)) {
      if ($image_link == 'content' && $entity
        ->hasLinkTemplate('canonical')) {
        $url = $entity
          ->toUrl();
        $url
          ->setOption('html', TRUE);
      }
      elseif ($image_link == 'youtube') {
        $link_youtube = TRUE;
      }
    }
    foreach ($items as $delta => $item) {

      // If the thumbnail is linked to its youtube page, take the original url.
      if (isset($link_youtube) && $link_youtube) {
        $url = Url::fromUri($item->input);
        $url
          ->setOption('html', TRUE);
      }
      $element[$delta] = [
        '#theme' => 'youtube_thumbnail',
        '#video_id' => $item->video_id,
        '#entity_title' => $items
          ->getEntity()
          ->label(),
        '#image_style' => $this
          ->getSetting('image_style'),
        '#image_link' => isset($url) ? $url : '',
      ];
    }
    return $element;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
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::$viewMode	protected	property	The view mode.
FormatterBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	11
FormatterBase::getFieldSetting	protected	function	Returns the value of a field setting.
FormatterBase::getFieldSettings	protected	function	Returns the array of field settings.
FormatterBase::isApplicable	public static	function	Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable	14
FormatterBase::view	public	function	Builds a renderable array for a fully themed field. Overrides FormatterInterface::view	1
FormatterBase::__construct	public	function	Constructs a FormatterBase object. Overrides PluginBase::__construct	11
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
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::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginSettingsBase::$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 $settings.
PluginSettingsBase::onDependencyRemoval	public	function	Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval	3
PluginSettingsBase::setSetting	public	function	Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings	public	function	Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting	public	function	Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting	public	function	Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
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.
YouTubeThumbFormatter::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings
YouTubeThumbFormatter::prepareView	public	function	Allows formatters to load information for field values being displayed. Overrides FormatterBase::prepareView
YouTubeThumbFormatter::settingsForm	public	function	Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm
YouTubeThumbFormatter::settingsSummary	public	function	Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary
YouTubeThumbFormatter::viewElements	public	function	Builds a renderable array for a field value. Overrides FormatterInterface::viewElements

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class YouTubeThumbFormatter in YouTube Field 8

Plugin annotation

Hierarchy

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