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class AutoImageStyleMediaDefault in Auto image style 8

Plugin for responsive media image formatter.

Plugin annotation


@FieldFormatter(
  id = "auto_image_style_media_default",
  label = @Translation("Image auto orientation"),
  description = @Translation("Display image fields as portrait or landscape style"),
  field_types = {
    "entity_reference",
  }
)

Hierarchy

Expanded class hierarchy of AutoImageStyleMediaDefault

See also

\Drupal\responsive_image\Plugin\Field\FieldFormatter\ResponsiveImageFormatter

\Drupal\media\Plugin\Field\FieldFormatter\MediaThumbnailFormatter

File

src/Plugin/Field/FieldFormatter/AutoImageStyleMediaDefault.php, line 28

Namespace

Drupal\auto_image_style\Plugin\Field\FieldFormatter
View source 
class AutoImageStyleMediaDefault extends ImageFormatter {

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

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $image_styles = image_style_options(FALSE);
    $elements['image_style_portrait'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Portrait image style'),
      '#options' => $image_styles,
      '#empty_option' => $this
        ->t('None (original image)'),
      '#default_value' => $this
        ->getSetting('image_style_portrait'),
      '#description' => $this
        ->t('Select the image style for portrait images'),
    ];
    $elements['image_style_landscape'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Landscape image style'),
      '#options' => $image_styles,
      '#empty_option' => $this
        ->t('None (original image)'),
      '#default_value' => $this
        ->getSetting('image_style_landscape'),
      '#description' => $this
        ->t('Select the image style for landscape images'),
    ];
    $link_types = [
      'content' => $this
        ->t('Content'),
      'file' => $this
        ->t('File'),
    ];
    $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_styles = image_style_options(FALSE);

    // Unset possible 'No defined styles' option.
    unset($image_styles['']);

    // Styles could be lost because of enabled/disabled modules that defines
    // their styles in code.
    $image_style_portrait_setting = $this
      ->getSetting('image_style_portrait');
    if (isset($image_styles[$image_style_portrait_setting])) {
      $summary[] = $this
        ->t('Portrait image style: @style', [
        '@style' => $image_styles[$image_style_portrait_setting],
      ]);
    }
    else {
      $summary[] = $this
        ->t('Portrait image style: Original image');
    }
    $image_style_landscape_setting = $this
      ->getSetting('image_style_landscape');
    if (isset($image_styles[$image_style_landscape_setting])) {
      $summary[] = $this
        ->t('Landscape image style: @style', [
        '@style' => $image_styles[$image_style_landscape_setting],
      ]);
    }
    else {
      $summary[] = $this
        ->t('Landscape image style: Original image');
    }
    $link_types = [
      'content' => $this
        ->t('Linked to content'),
      'file' => $this
        ->t('Linked to file'),
    ];

    // Display this setting only if image is linked.
    if (isset($link_types[$this
      ->getSetting('image_link')])) {
      $summary[] = $link_types[$this
        ->getSetting('image_link')];
    }
    return $summary;
  }

  /**
   * {@inheritdoc}
   *
   * This has to be overriden because FileFormatterBase expects $item to be
   * of type \Drupal\file\Plugin\Field\FieldType\FileItem and calls
   * isDisplayed() which is not in FieldItemInterface.
   */
  protected function needsEntityLoad(EntityReferenceItem $item) {
    return !$item
      ->hasNewEntity();
  }

  /**
   * {@inheritdoc}
   */
  protected function getEntitiesToView(EntityReferenceFieldItemListInterface $items, $langcode) {
    $media = parent::getEntitiesToView($items, $langcode);
    $entities = [];
    foreach ($media as $media_item) {
      $entity = $media_item->thumbnail->entity;
      $entity->_referringItem = $media_item->thumbnail;
      $entities[] = $entity;
    }
    return $entities;
  }

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

    // Early opt-out if the field is empty.
    if (empty($files)) {
      return $elements;
    }
    $url = NULL;
    $image_link_setting = $this
      ->getSetting('image_link');

    // Check if the formatter involves a link.
    if ($image_link_setting == 'content') {
      $entity = $items
        ->getEntity();
      if (!$entity
        ->isNew()) {
        $url = $entity
          ->toUrl();
      }
    }
    elseif ($image_link_setting == 'media') {
      $link_file = TRUE;
    }
    $image_style_landscape_setting = $this
      ->getSetting('image_style_landscape');
    $image_style_portrait_setting = $this
      ->getSetting('image_style_portrait');

    // Collect cache tags to be added for each item in the field.
    $cache_tags = [];
    if (!empty($image_style_landscape_setting)) {
      $image_style = $this->imageStyleStorage
        ->load($image_style_landscape_setting);
      $cache_tags_landscape = $image_style
        ->getCacheTags();
      $cache_tags = Cache::mergeTags($cache_tags, $cache_tags_landscape);
    }
    if (!empty($image_style_portrait_setting)) {
      $image_style = $this->imageStyleStorage
        ->load($image_style_portrait_setting);
      $cache_tags_portrait = $image_style
        ->getCacheTags();
      $cache_tags = Cache::mergeTags($cache_tags, $cache_tags_portrait);
    }

    /** @var \Drupal\media_entity\MediaInterface $media_item */
    foreach ($files as $delta => $file) {
      $cache_tags = Cache::mergeTags($cache_tags, $file
        ->getCacheTags());

      // Link the <picture> element to the original file.
      if (isset($link_file)) {
        $url = file_url_transform_relative(file_create_url($file
          ->getFileUri()));
      }

      // Extract field item attributes for the theme function, and unset them
      // from the $item so that the field template does not re-render them.
      $item = $file->_referringItem;
      $image_style = $image_style_portrait_setting;
      if ($item->height < $item->width) {
        $image_style = $image_style_landscape_setting;
      }
      $elements[$delta] = [
        '#theme' => 'image_formatter',
        '#item' => $item,
        '#item_attributes' => [],
        '#image_style' => $image_style,
        '#url' => $url,
      ];
    }
    return $elements;
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = parent::calculateDependencies();
    $styles[] = $this
      ->getSetting('image_style_landscape');
    $styles[] = $this
      ->getSetting('image_style_portrait');

    // Add the image styles as dependency.
    foreach ($styles as $style_id) {
      if ($style_id && ($style = $this->imageStyleStorage
        ->load($style_id))) {
        $dependencies[$style
          ->getConfigDependencyKey()][] = $style
          ->getConfigDependencyName();
      }
    }
    return $dependencies;
  }

  /**
   * {@inheritdoc}
   */
  public static function isApplicable(FieldDefinitionInterface $field_definition) {
    return $field_definition
      ->getFieldStorageDefinition()
      ->getSetting('target_type') == 'media';
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AutoImageStyleMediaDefault::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides ImageFormatter::calculateDependencies
AutoImageStyleMediaDefault::defaultSettings public static function Defines the default settings for this plugin. Overrides ImageFormatter::defaultSettings
AutoImageStyleMediaDefault::getEntitiesToView protected function Returns the referenced entities for display. Overrides ImageFormatterBase::getEntitiesToView
AutoImageStyleMediaDefault::isApplicable public static function Returns if the formatter can be used for the provided field. Overrides FormatterBase::isApplicable
AutoImageStyleMediaDefault::needsEntityLoad protected function This has to be overriden because FileFormatterBase expects $item to be of type \Drupal\file\Plugin\Field\FieldType\FileItem and calls isDisplayed() which is not in FieldItemInterface. Overrides FileFormatterBase::needsEntityLoad
AutoImageStyleMediaDefault::settingsForm public function Returns a form to configure settings for the formatter. Overrides ImageFormatter::settingsForm
AutoImageStyleMediaDefault::settingsSummary public function Returns a short summary for the current formatter settings. Overrides ImageFormatter::settingsSummary
AutoImageStyleMediaDefault::viewElements public function Builds a renderable array for a field value. Overrides ImageFormatter::viewElements
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
EntityReferenceFormatterBase::prepareView public function Loads the entities referenced in that field across all the entities being viewed. Overrides FormatterBase::prepareView
EntityReferenceFormatterBase::view public function Overrides FormatterBase::view
FileFormatterBase::checkAccess protected function Checks access to the given entity. Overrides EntityReferenceFormatterBase::checkAccess
FormatterBase::$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.
ImageFormatter::$currentUser protected property The current user.
ImageFormatter::$imageStyleStorage protected property The image style entity storage.
ImageFormatter::create public static function Creates an instance of the plugin. Overrides FormatterBase::create 1
ImageFormatter::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsBase::onDependencyRemoval
ImageFormatter::__construct public function Constructs an ImageFormatter object. Overrides FormatterBase::__construct 1
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::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 $settings.
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$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.