class FieldDownloadCount in Download Count 8

Field formatter for download count.

Plugin annotation


@FieldFormatter(
 id = "FieldDownloadCount",
 label = @Translation("Generic file with download count"),
 field_types = {"file"}
)

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\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceFormatterBase
    class \Drupal\file\Plugin\Field\FieldFormatter\FileFormatterBase
    class \Drupal\file\Plugin\Field\FieldFormatter\DescriptionAwareFileFormatterBase
    class \Drupal\file\Plugin\Field\FieldFormatter\GenericFileFormatter
    class \Drupal\download_count\Plugin\Field\FieldFormatter\FieldDownloadCount

Expanded class hierarchy of FieldDownloadCount

File

src/Plugin/Field/FieldFormatter/FieldDownloadCount.php, line 22

Namespace

Drupal\download_count\Plugin\Field\FieldFormatter

View source

class FieldDownloadCount extends GenericFileFormatter {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {
    $element = [];
    $entity = $items
      ->getEntity();
    $entity_type = $entity
      ->getEntityTypeId();
    $access = Drupal::currentUser()
      ->hasPermission('view download counts');
    foreach ($this
      ->getEntitiesToView($items, $langcode) as $delta => $file) {
      $item = $file->_referringItem;
      if ($access) {
        $download = Database::getConnection()
          ->query('SELECT COUNT(fid) from {download_count} where fid = :fid AND type = :type AND id = :id', [
          ':fid' => $file
            ->id(),
          ':type' => $entity_type,
          ':id' => $entity
            ->id(),
        ])
          ->fetchField();
        $file->download = $download;
      }
      $url = file_create_url($file
        ->getFileUri());
      $options = [
        'attributes' => [
          'type' => $file
            ->getMimeType() . '; length=' . $file
            ->getSize(),
        ],
      ];
      if (empty($item->description)) {
        $link_text = $file
          ->getFilename();
      }
      else {
        $link_text = $item->description;
        $options['attributes']['title'] = Html::escape($file
          ->getFilename());
      }

      // Classes to add to the file field for icons.
      $classes = [
        'file',
        // Add a specific class for each and every mime type.
        'file--mime-' . strtr($file
          ->getMimeType(), [
          '/' => '-',
          '.' => '-',
        ]),
        // Add a more general class for groups of well known mime types.
        'file--' . file_icon_class($file
          ->getMimeType()),
      ];
      $attributes = new Attribute([
        'class' => $classes,
      ]);
      $url = Link::fromTextAndUrl($this
        ->t('@text', [
        '@text' => $link_text,
      ]), Url::fromUri($url, $options))
        ->toString();
      if (isset($file->download) && $file->download > 0) {
        $count = Drupal::translation()
          ->formatPlural($file->download, 'Downloaded 1 time', 'Downloaded @count times');
      }
      else {
        $count = $this
          ->t('Never downloaded');
      }
      $element[$delta] = [
        '#theme' => !$access ? 'file_link' : 'download_count_file_field_formatter',
        '#file' => $file,
        '#url' => $url,
        '#classes' => $attributes['class'],
        '#count' => $count,
        '#attached' => [
          'library' => [
            'classy/file',
          ],
        ],
        '#cache' => [
          'tags' => $file
            ->getCacheTags(),
        ],
      ];

      // Pass field item attributes to the theme function.
      if (isset($item->_attributes)) {
        $element[$delta] += [
          '#attributes' => [],
        ];
        $element[$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 $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
DescriptionAwareFileFormatterBase::defaultSettings	public static	function	Defines the default settings for this plugin. Overrides PluginSettingsBase::defaultSettings
DescriptionAwareFileFormatterBase::settingsForm	public	function	Returns a form to configure settings for the formatter. Overrides FormatterBase::settingsForm
DescriptionAwareFileFormatterBase::settingsSummary	public	function	Returns a short summary for the current formatter settings. Overrides FormatterBase::settingsSummary
EntityReferenceFormatterBase::getEntitiesToView	protected	function	Returns the referenced entities for display.	1
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
FieldDownloadCount::viewElements	public	function	Builds a renderable array for a field value. Overrides GenericFileFormatter::viewElements
FileFormatterBase::checkAccess	protected	function	Checks access to the given entity. Overrides EntityReferenceFormatterBase::checkAccess
FileFormatterBase::needsEntityLoad	protected	function	Returns whether the entity referenced by an item needs to be loaded. Overrides EntityReferenceFormatterBase::needsEntityLoad	1
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::$viewMode	protected	property	The view mode.
FormatterBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	11
FormatterBase::getFieldSetting	protected	function	Returns the value of a field setting.
FormatterBase::getFieldSettings	protected	function	Returns the array of field settings.
FormatterBase::isApplicable	public static	function	Returns if the formatter can be used for the provided field. Overrides FormatterInterface::isApplicable	14
FormatterBase::__construct	public	function	Constructs a FormatterBase object. Overrides PluginBase::__construct	11
MessengerTrait::$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.

You are here

class FieldDownloadCount in Download Count 8

Plugin annotation

Hierarchy

File

Namespace

Members

API Navigation