function ResponsiveImageFormatter::viewElements
Same name in other branches
- 9 core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php \Drupal\responsive_image\Plugin\Field\FieldFormatter\ResponsiveImageFormatter::viewElements()
- 8.9.x core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php \Drupal\responsive_image\Plugin\Field\FieldFormatter\ResponsiveImageFormatter::viewElements()
- 10 core/modules/responsive_image/src/Plugin/Field/FieldFormatter/ResponsiveImageFormatter.php \Drupal\responsive_image\Plugin\Field\FieldFormatter\ResponsiveImageFormatter::viewElements()
Overrides FormatterInterface::viewElements
1 call to ResponsiveImageFormatter::viewElements()
- ResponsiveImageTestFormatter::viewElements in core/
modules/ responsive_image/ tests/ modules/ responsive_image_test_module/ src/ Plugin/ Field/ FieldFormatter/ ResponsiveImageTestFormatter.php - Builds a renderable array for a field value.
1 method overrides ResponsiveImageFormatter::viewElements()
- ResponsiveImageTestFormatter::viewElements in core/
modules/ responsive_image/ tests/ modules/ responsive_image_test_module/ src/ Plugin/ Field/ FieldFormatter/ ResponsiveImageTestFormatter.php - Builds a renderable array for a field value.
File
-
core/
modules/ responsive_image/ src/ Plugin/ Field/ FieldFormatter/ ResponsiveImageFormatter.php, line 226
Class
- ResponsiveImageFormatter
- Plugin for responsive image formatter.
Namespace
Drupal\responsive_image\Plugin\Field\FieldFormatterCode
public function viewElements(FieldItemListInterface $items, $langcode) {
$elements = [];
$files = $this->getEntitiesToView($items, $langcode);
// Early opt-out if the field is empty.
if (empty($files)) {
return $elements;
}
$url = NULL;
// Check if the formatter involves a link.
if ($this->getSetting('image_link') == 'content') {
$entity = $items->getEntity();
if (!$entity->isNew()) {
$url = $entity->toUrl();
}
}
elseif ($this->getSetting('image_link') == 'file') {
$link_file = TRUE;
}
// Collect cache tags to be added for each item in the field.
$responsive_image_style = $this->responsiveImageStyleStorage
->load($this->getSetting('responsive_image_style'));
$image_styles_to_load = [];
$cache_tags = [];
if ($responsive_image_style) {
$cache_tags = Cache::mergeTags($cache_tags, $responsive_image_style->getCacheTags());
$image_styles_to_load = $responsive_image_style->getImageStyleIds();
}
$image_styles = $this->imageStyleStorage
->loadMultiple($image_styles_to_load);
foreach ($image_styles as $image_style) {
$cache_tags = Cache::mergeTags($cache_tags, $image_style->getCacheTags());
}
foreach ($files as $delta => $file) {
assert($file instanceof FileInterface);
// Link the <picture> element to the original file.
if (isset($link_file)) {
$url = $file->createFileUrl();
}
// Extract field item attributes for the theme function, and unset them
// from the $item so that the field template does not re-render them.
$item = $file->_referringItem;
$item_attributes = $item->_attributes;
unset($item->_attributes);
$image_loading_settings = $this->getSetting('image_loading');
$item_attributes['loading'] = $image_loading_settings['attribute'];
$elements[$delta] = [
'#theme' => 'responsive_image_formatter',
'#item' => $item,
'#item_attributes' => $item_attributes,
'#responsive_image_style_id' => $responsive_image_style ? $responsive_image_style->id() : '',
'#url' => $url,
'#cache' => [
'tags' => $cache_tags,
],
];
}
return $elements;
}
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