76 lines
1.9 KiB
PHP
76 lines
1.9 KiB
PHP
<?php
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/**
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* @file
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* Implement an image field, based on the file module's file field.
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*/
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use Drupal\Core\Render\Element;
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/**
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* Prepares variables for image widget templates.
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*
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* Default template: image-widget.html.twig.
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*
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* @param array $variables
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* An associative array containing:
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* - element: A render element representing the image field widget.
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*/
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function template_preprocess_image_widget(&$variables) {
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$element = $variables['element'];
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$variables['attributes'] = ['class' => ['image-widget', 'js-form-managed-file', 'form-managed-file', 'clearfix']];
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$variables['data'] = [];
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foreach (Element::children($element) as $child) {
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$variables['data'][$child] = $element[$child];
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}
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}
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/**
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* Prepares variables for image formatter templates.
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*
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* Default template: image-formatter.html.twig.
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*
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* @param array $variables
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* An associative array containing:
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* - item: An ImageItem object.
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* - item_attributes: An optional associative array of html attributes to be
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* placed in the img tag.
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* - image_style: An optional image style.
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* - url: An optional \Drupal\Core\Url object.
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*/
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function template_preprocess_image_formatter(&$variables) {
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if ($variables['image_style']) {
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$variables['image'] = [
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'#theme' => 'image_style',
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'#style_name' => $variables['image_style'],
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];
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}
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else {
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$variables['image'] = [
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'#theme' => 'image',
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];
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}
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$variables['image']['#attributes'] = $variables['item_attributes'];
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$item = $variables['item'];
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// Do not output an empty 'title' attribute.
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if (mb_strlen($item->title) != 0) {
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$variables['image']['#title'] = $item->title;
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}
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if (($entity = $item->entity) && empty($item->uri)) {
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$variables['image']['#uri'] = $entity->getFileUri();
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}
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else {
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$variables['image']['#uri'] = $item->uri;
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}
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foreach (['width', 'height', 'alt'] as $key) {
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$variables['image']["#$key"] = $item->$key;
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}
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}
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