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<?php |
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namespace Drupal\df_tools_gallery\Plugin\Field\FieldFormatter; |
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use Drupal\Component\Utility\Html; |
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use Drupal\Component\Utility\UrlHelper; |
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use Drupal\Core\Field\FieldItemListInterface; |
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use Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceEntityFormatter; |
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use Drupal\Core\Form\FormStateInterface; |
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use Drupal\Core\Render\Element; |
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/** |
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* Plugin implementation of the 'entity_reference_masonry' formatter. |
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* |
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* @FieldFormatter( |
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* id = "entity_reference_masonry", |
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* label = @Translation("Rendered as Masonry grid"), |
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* field_types = { |
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* "entity_reference" |
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* } |
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* ) |
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*/ |
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class EntityReferenceMasonryFormatter extends EntityReferenceEntityFormatter { |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function defaultSettings() { |
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return array( |
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// Implement default settings. |
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) + parent::defaultSettings(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function settingsForm(array $form, FormStateInterface $form_state) { |
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return array( |
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// Implement settings form. |
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) + parent::settingsForm($form, $form_state); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function settingsSummary() { |
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$summary = []; |
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return $summary; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function viewElements(FieldItemListInterface $items, $langcode) { |
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$elements = parent::viewElements($items, $langcode); |
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$lightbox_id = Html::getUniqueId('df-tools-gallery'); |
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foreach ($elements as &$element) { |
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if (isset($element['#file']) && $element['#file']->bundle() === 'image') { |
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$url = UrlHelper::filterBadProtocol((file_create_url($element['#file']->getFileUri()))); |
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$element['#prefix'] = "<a href=\"$url\" data-lightbox=\"$lightbox_id\">"; |
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$element['#suffix'] = '</a>'; |
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} |
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$element['#attributes']['class'][] = 'grid-item'; |
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} |
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$elements['#attached']['library'][] = 'df_tools_gallery/view'; |
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$elements['#attributes']['class'][] = 'df-masonry-gallery'; |
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return $elements; |
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} |
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} |
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acquia /
df
