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<?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;
class Thumbnail extends FormatterBase implements ContainerFactoryPluginInterface {
protected $providerManager;
protected $imageStyleStorage;
const LINK_CONTENT = 'content';
const LINK_PROVIDER = 'provider';
public function __construct($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;
}
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'));
}
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;
}
public static function defaultSettings() {
return [
'image_style' => '',
'link_image_to' => '',
];
}
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;
}
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;
}
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;
}
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 ($replacement_id && ImageStyle::load($replacement_id)) {
$this
->setSetting('image_style', $replacement_id);
$changed = TRUE;
}
}
}
return $changed;
}
}