3 namespace Drupal\blazy\Dejavu;
5 use Drupal\Core\Form\FormStateInterface;
8 * Base class for entity reference formatters with field details.
10 abstract class BlazyEntityReferenceBase extends BlazyEntityBase {
17 public static function defaultSettings() {
18 return BlazyDefault::extendedSettings();
24 public function buildElement(array &$build, $entity, $langcode) {
25 $settings = &$build['settings'];
27 if (!empty($settings['vanilla'])) {
28 return parent::buildElement($build, $entity, $langcode);
31 $delta = $settings['delta'];
32 $item_id = $settings['item_id'];
33 $view_mode = empty($settings['view_mode']) ? 'full' : $settings['view_mode'];
34 $element = ['settings' => $settings];
36 // Built early before stage to allow custom highres video thumbnail later.
37 // Implementor must import: Drupal\blazy\Dejavu\BlazyVideoTrait.
38 $this->getMediaItem($element, $entity);
40 // Build the main stage.
41 $this->buildStage($element, $entity, $langcode);
43 // If Image rendered is picked, render image as is.
44 if (!empty($settings['image']) && (!empty($settings['media_switch']) && $settings['media_switch'] == 'rendered')) {
45 $element['content'][] = $this->getFieldRenderable($entity, $settings['image'], $view_mode);
48 // Optional image with responsive image, lazyLoad, and lightbox supports.
49 $element[$item_id] = empty($element['item']) ? [] : $this->formatter->getImage($element);
51 // Captions if so configured.
52 $this->getCaption($element, $entity, $langcode);
54 // Layouts can be builtin, or field, if so configured.
55 if (!empty($settings['layout'])) {
56 $layout = $settings['layout'];
57 if (strpos($layout, 'field_') !== FALSE) {
58 $settings['layout'] = $this->getFieldString($entity, $layout, $langcode);
60 $element['settings']['layout'] = $settings['layout'];
63 // Classes, if so configured.
64 if (!empty($settings['class'])) {
65 $element['settings']['class'] = $this->getFieldString($entity, $settings['class'], $langcode);
68 // Build the main item.
69 $build['items'][$delta] = $element;
71 // Build the thumbnail item.
72 if (!empty($settings['nav'])) {
73 // Thumbnail usages: asNavFor pagers, dot, arrows, photobox thumbnails.
74 $element[$item_id] = empty($settings['thumbnail_style']) ? [] : $this->formatter->getThumbnail($element['settings']);
75 $element['caption'] = empty($settings['thumbnail_caption']) ? [] : $this->getFieldRenderable($entity, $settings['thumbnail_caption'], $view_mode);
77 $build['thumb']['items'][$delta] = $element;
82 * Builds slide captions with possible multi-value fields.
84 public function getCaption(array &$element, $entity, $langcode) {
85 $settings = $element['settings'];
86 $view_mode = $settings['view_mode'];
88 // Title can be plain text, or link field.
89 if (!empty($settings['title'])) {
90 $field_title = $settings['title'];
91 if (isset($entity->{$field_title})) {
92 if ($entity->hasTranslation($langcode)) {
93 // If the entity has translation, fetch the translated value.
94 $title = $entity->getTranslation($langcode)->get($field_title)->getValue();
97 // Entity doesn't have translation, fetch original value.
98 $title = $entity->get($field_title)->getValue();
100 if (!empty($title[0]['value']) && !isset($title[0]['uri'])) {
101 // Prevents HTML-filter-enabled text from having bad markups (h2 > p),
102 // except for a few reasonable tags acceptable within H2 tag.
103 $element['caption']['title']['#markup'] = strip_tags($title[0]['value'], '<a><strong><em><span><small>');
105 elseif (isset($title[0]['uri']) && !empty($title[0]['title'])) {
106 $element['caption']['title'] = $this->getFieldRenderable($entity, $field_title, $view_mode)[0];
111 // Other caption fields, if so configured.
112 if (!empty($settings['caption'])) {
114 foreach ($settings['caption'] as $i => $field_caption) {
115 if (!isset($entity->{$field_caption})) {
118 $caption_items[$i] = $this->getFieldRenderable($entity, $field_caption, $view_mode);
120 if ($caption_items) {
121 $element['caption']['data'] = $caption_items;
125 // Link, if so configured.
126 if (!empty($settings['link'])) {
127 $field_link = $settings['link'];
128 if (isset($entity->{$field_link})) {
129 $links = $this->getFieldRenderable($entity, $field_link, $view_mode);
131 // Only simplify markups for known formatters registered by link.module.
132 if ($links && isset($links['#formatter']) && in_array($links['#formatter'], ['link'])) {
134 foreach ($entity->{$field_link} as $i => $link) {
135 $links[$i] = $link->view($view_mode);
138 $element['caption']['link'] = $links;
142 if (!empty($settings['overlay'])) {
143 $element['caption']['overlay'] = $this->getOverlay($settings, $entity, $langcode);
148 * Builds overlay placed within the caption.
150 public function getOverlay(array $settings, $entity, $langcode) {
151 return $entity->get($settings['overlay'])->view($settings['view_mode']);
155 * Build the main background/stage, image or video.
157 * Main image can be separate image item from video thumbnail for highres.
158 * Fallback to default thumbnail if any, which has no file API.
160 public function buildStage(array &$element, $entity, $langcode) {
161 $settings = &$element['settings'];
162 $stage = empty($settings['source_field']) ? '' : $settings['source_field'];
163 $stage = empty($settings['image']) ? $stage : $settings['image'];
165 // The actual video thumbnail has already been downloaded earlier.
166 // This fetches the highres image if provided and available.
167 // With a mix of image and video, image is not always there.
168 if ($stage && isset($entity->{$stage})) {
169 /** @var \Drupal\file\Plugin\Field\FieldType\FileFieldItemList $file */
170 $file = $entity->get($stage);
171 $value = $file->getValue();
173 // Do not proceed if it is a Media entity video.
174 if (isset($value[0]) && $value[0]) {
175 // If image, even if multi-value, we can only have one stage per slide.
176 if (isset($value[0]['target_id']) && !empty($value[0]['target_id'])) {
177 if (method_exists($file, 'referencedEntities') && isset($file->referencedEntities()[0])) {
178 /** @var \Drupal\image\Plugin\Field\FieldType\ImageItem $item */
179 $element['item'] = $file->get(0);
181 // Collects cache tags to be added for each item in the field.
182 $settings['file_tags'] = $file->referencedEntities()[0]->getCacheTags();
183 $settings['uri'] = $file->referencedEntities()[0]->getFileUri();
186 // If a VEF with a text, or link field.
187 elseif (isset($value[0]['value']) || isset($value[0]['uri'])) {
188 $external_url = $this->getFieldString($entity, $stage, $langcode);
191 $this->buildVideo($settings, $external_url);
192 $element['item'] = $value;
202 public function settingsForm(array $form, FormStateInterface $form_state) {
203 $element = parent::settingsForm($form, $form_state);
205 if (isset($element['layout'])) {
206 $layout_description = $element['layout']['#description'];
207 $element['layout']['#description'] = $this->t('Create a dedicated List (text - max number 1) field related to the caption placement to have unique layout per slide with the following supported keys: top, right, bottom, left, center, center-top, etc. Be sure its formatter is Key.') . ' ' . $layout_description;
210 if (isset($element['media_switch'])) {
211 $element['media_switch']['#options']['rendered'] = $this->t('Image rendered by its formatter');
212 $element['media_switch']['#description'] .= ' ' . $this->t('Be sure the enabled fields here are not hidden/disabled at its view mode.');
215 if (isset($element['caption'])) {
216 $element['caption']['#description'] = $this->t('Check fields to be treated as captions, even if not caption texts.');
219 if (isset($element['image']['#description'])) {
220 $element['image']['#description'] .= ' ' . $this->t('For video, this allows separate highres image, be sure the same field used for Image to have a mix of videos and images. Leave empty to fallback to the video provider thumbnails. The formatter/renderer is managed by <strong>@namespace</strong> formatter. Meaning original formatter ignored. If you want original formatters, check <strong>Vanilla</strong> option. Alternatively choose <strong>Media switcher > Image rendered </strong>, other image-related settings here will be ignored. <strong>Supported fields</strong>: Image, Video Embed Field.', ['@namespace' => $this->getPluginId()]);
223 if (isset($element['overlay']['#description'])) {
224 $element['overlay']['#description'] .= ' ' . $this->t('The formatter/renderer is managed by the child formatter. <strong>Supported fields</strong>: Image, Video Embed Field, Media Entity.');
233 public function getScopedFormElements() {
234 $admin = $this->admin();
235 $target_type = $this->getFieldSetting('target_type');
236 $views_ui = $this->getFieldSetting('handler') == 'default';
237 $bundles = $views_ui ? [] : $this->getFieldSetting('handler_settings')['target_bundles'];
238 $strings = ['text', 'string', 'list_string'];
239 $strings = $admin->getFieldOptions($bundles, $strings, $target_type);
240 $texts = ['text', 'text_long', 'string', 'string_long', 'link'];
241 $texts = $admin->getFieldOptions($bundles, $texts, $target_type);
242 $links = ['text', 'string', 'link'];
245 'background' => TRUE,
246 'box_captions' => TRUE,
247 'breakpoints' => BlazyDefault::getConstantBreakpoints(),
248 'captions' => $admin->getFieldOptions($bundles, [], $target_type),
249 'classes' => $strings,
250 'fieldable_form' => TRUE,
251 'images' => $admin->getFieldOptions($bundles, ['image'], $target_type),
252 'image_style_form' => TRUE,
253 'layouts' => $strings,
254 'links' => $admin->getFieldOptions($bundles, $links, $target_type),
255 'media_switch_form' => TRUE,
256 'multimedia' => TRUE,
257 'thumb_captions' => $texts,
258 'thumb_positions' => TRUE,
262 ] + parent::getScopedFormElements();