BlazyFormatterTrait.php in Blazy 8
File
src/Plugin/Field/FieldFormatter/BlazyFormatterTrait.php
View source
<?php
namespace Drupal\blazy\Plugin\Field\FieldFormatter;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Template\Attribute;
use Drupal\Component\Utility\Xss;
use Drupal\blazy\BlazyGrid;
trait BlazyFormatterTrait {
public function viewElements(FieldItemListInterface $items, $langcode) {
$build = [];
$files = $this
->getEntitiesToView($items, $langcode);
if (empty($files)) {
return $build;
}
$settings = $this
->buildSettings();
$settings['blazy'] = TRUE;
$settings['namespace'] = $settings['item_id'] = $settings['lazy'] = 'blazy';
$settings['_grid'] = !empty($settings['style']) && !empty($settings['grid']);
$build = [
'settings' => $settings,
];
$this->blazyManager
->buildSettings($build, $items);
$this
->buildElements($build, $files);
$settings = $build['settings'];
unset($build['settings']);
$this->blazyManager
->isBlazy($settings, $build[0]['#build']);
if (empty($settings['_grid'])) {
$build['#blazy'] = $settings;
}
else {
$build = BlazyGrid::build($build, $settings);
}
$build['#attached'] = $this->blazyManager
->attach($settings);
return $build;
}
public function buildElements(array &$build, $files) {
$settings = $build['settings'];
$item_id = $settings['item_id'];
$is_media = method_exists($this, 'getMediaItem');
if (!empty($settings['caption'])) {
$settings['caption_attributes']['class'][] = $item_id . '__caption';
}
foreach ($files as $delta => $file) {
$item = $file->_referringItem;
$settings['delta'] = $delta;
$settings['file_tags'] = $file
->getCacheTags();
$settings['type'] = 'image';
$settings['uri'] = $file
->getFileUri();
$box['item'] = $item;
$box['settings'] = $settings;
if ($is_media) {
if (!empty($this
->getImageItem($item))) {
$box['item'] = $this
->getImageItem($item)['item'];
$box['settings'] = array_merge($settings, $this
->getImageItem($item)['settings']);
}
$this
->getMediaItem($box, $file);
}
if (!empty($settings['caption'])) {
foreach ($settings['caption'] as $caption) {
$box['captions'][$caption]['content'] = empty($box['item']->{$caption}) ? [] : [
'#markup' => Xss::filterAdmin($box['item']->{$caption}),
];
$box['captions'][$caption]['tag'] = $caption == 'title' ? 'h2' : 'div';
if (!isset($box['captions'][$caption]['attributes'])) {
$class = $caption == 'alt' ? 'description' : $caption;
$box['captions'][$caption]['attributes'] = new Attribute();
$box['captions'][$caption]['attributes']
->addClass($item_id . '__' . $class);
}
}
}
$build[$delta] = $this->blazyManager
->getImage($box);
unset($box);
}
}
}