--- /dev/null
+<?php
+
+namespace Drupal\video_embed_field\Plugin\Field\FieldFormatter;
+
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Field\FieldDefinitionInterface;
+use Drupal\Core\Field\FormatterBase;
+use Drupal\Core\Field\FieldItemListInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\Url;
+use Drupal\image\Entity\ImageStyle;
+use Drupal\video_embed_field\ProviderManagerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Plugin implementation of the thumbnail field formatter.
+ *
+ * @FieldFormatter(
+ * id = "video_embed_field_thumbnail",
+ * label = @Translation("Thumbnail"),
+ * field_types = {
+ * "video_embed_field"
+ * }
+ * )
+ */
+class Thumbnail extends FormatterBase implements ContainerFactoryPluginInterface {
+
+ /**
+ * The embed provider plugin manager.
+ *
+ * @var \Drupal\video_embed_field\ProviderManagerInterface
+ */
+ protected $providerManager;
+
+ /**
+ * The image style entity storage.
+ *
+ * @var \Drupal\Core\Entity\EntityStorageInterface
+ */
+ protected $imageStyleStorage;
+
+ /**
+ * Class constant for linking to content.
+ */
+ const LINK_CONTENT = 'content';
+
+ /**
+ * Class constant for linking to the provider URL.
+ */
+ const LINK_PROVIDER = 'provider';
+
+ /**
+ * Constructs a new instance of the plugin.
+ *
+ * @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\video_embed_field\ProviderManagerInterface $provider_manager
+ * The video embed provider manager.
+ */
+ public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, $settings, $label, $view_mode, $third_party_settings, ProviderManagerInterface $provider_manager, EntityStorageInterface $image_style_storage) {
+ parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+ $this->providerManager = $provider_manager;
+ $this->imageStyleStorage = $image_style_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('video_embed_field.provider_manager'),
+ $container->get('entity.manager')->getStorage('image_style')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function viewElements(FieldItemListInterface $items, $langcode) {
+ $element = [];
+ foreach ($items as $delta => $item) {
+ $provider = $this->providerManager->loadProviderFromInput($item->value);
+
+ if (!$provider) {
+ $element[$delta] = ['#theme' => 'video_embed_field_missing_provider'];
+ }
+ else {
+ $url = FALSE;
+ if ($this->getSetting('link_image_to') == static::LINK_CONTENT) {
+ $url = $items->getEntity()->toUrl();
+ }
+ elseif ($this->getSetting('link_image_to') == static::LINK_PROVIDER) {
+ $url = Url::fromUri($item->value);
+ }
+ $provider->downloadThumbnail();
+ $element[$delta] = $provider->renderThumbnail($this->getSetting('image_style'), $url);
+ }
+
+ }
+ return $element;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function defaultSettings() {
+ return [
+ 'image_style' => '',
+ 'link_image_to' => '',
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsForm(array $form, FormStateInterface $form_state) {
+ $element = parent::settingsForm($form, $form_state);
+ $element['image_style'] = [
+ '#title' => $this->t('Image Style'),
+ '#type' => 'select',
+ '#default_value' => $this->getSetting('image_style'),
+ '#required' => FALSE,
+ '#options' => image_style_options(),
+ ];
+ $element['link_image_to'] = [
+ '#title' => $this->t('Link image to'),
+ '#type' => 'select',
+ '#empty_option' => $this->t('- None -'),
+ '#default_value' => $this->getSetting('link_image_to'),
+ '#options' => [
+ static::LINK_CONTENT => $this->t('Content'),
+ static::LINK_PROVIDER => $this->t('Provider URL'),
+ ],
+ ];
+ return $element;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function settingsSummary() {
+ $linked = '';
+ if (!empty($this->getSetting('link_image_to'))) {
+ $linked = $this->getSetting('link_image_to') == static::LINK_CONTENT ? $this->t(', linked to content') : $this->t(', linked to provider');
+ }
+ $summary[] = $this->t('Video thumbnail (@style@linked).', [
+ '@style' => $this->getSetting('image_style') ? $this->getSetting('image_style') : $this->t('no image style'),
+ '@linked' => $linked,
+ ]);
+ return $summary;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function calculateDependencies() {
+ $dependencies = parent::calculateDependencies();
+ $style_id = $this->getSetting('image_style');
+ if ($style_id && $style = ImageStyle::load($style_id)) {
+ $dependencies[$style->getConfigDependencyKey()][] = $style->getConfigDependencyName();
+ }
+ return $dependencies;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function onDependencyRemoval(array $dependencies) {
+ $changed = parent::onDependencyRemoval($dependencies);
+ $style_id = $this->getSetting('image_style');
+ if ($style_id && $style = ImageStyle::load($style_id)) {
+ if (!empty($dependencies[$style->getConfigDependencyKey()][$style->getConfigDependencyName()])) {
+ $replacement_id = $this->imageStyleStorage->getReplacementId($style_id);
+ // If a valid replacement has been provided in the storage, replace the
+ // image style with the replacement and signal that the formatter plugin
+ // settings were updated.
+ if ($replacement_id && ImageStyle::load($replacement_id)) {
+ $this->setSetting('image_style', $replacement_id);
+ $changed = TRUE;
+ }
+ }
+ }
+ return $changed;
+ }
+
+}
projects / yaffs-website / blobdiff