diff core/modules/image/image.field.inc @ 0:c75dbcec494b

Initial commit from drush-created site
author Chris Cannam
date Thu, 05 Jul 2018 14:24:15 +0000
parents
children a9cd425dd02b
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/image/image.field.inc	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * @file
+ * Implement an image field, based on the file module's file field.
+ */
+
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Render\Element;
+
+/**
+ * Prepares variables for image widget templates.
+ *
+ * Default template: image-widget.html.twig.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - element: A render element representing the image field widget.
+ */
+function template_preprocess_image_widget(&$variables) {
+  $element = $variables['element'];
+
+  $variables['attributes'] = ['class' => ['image-widget', 'js-form-managed-file', 'form-managed-file', 'clearfix']];
+
+  if (!empty($element['fids']['#value'])) {
+    $file = reset($element['#files']);
+    $element['file_' . $file->id()]['filename']['#suffix'] = ' <span class="file-size">(' . format_size($file->getSize()) . ')</span> ';
+  }
+
+  $variables['data'] = [];
+  foreach (Element::children($element) as $child) {
+    $variables['data'][$child] = $element[$child];
+  }
+
+}
+
+/**
+ * Prepares variables for image formatter templates.
+ *
+ * Default template: image-formatter.html.twig.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - item: An ImageItem object.
+ *   - item_attributes: An optional associative array of html attributes to be
+ *     placed in the img tag.
+ *   - image_style: An optional image style.
+ *   - url: An optional \Drupal\Core\Url object.
+ */
+function template_preprocess_image_formatter(&$variables) {
+  if ($variables['image_style']) {
+    $variables['image'] = [
+      '#theme' => 'image_style',
+      '#style_name' => $variables['image_style'],
+    ];
+  }
+  else {
+    $variables['image'] = [
+      '#theme' => 'image',
+    ];
+  }
+  $variables['image']['#attributes'] = $variables['item_attributes'];
+
+  $item = $variables['item'];
+
+  // Do not output an empty 'title' attribute.
+  if (Unicode::strlen($item->title) != 0) {
+    $variables['image']['#title'] = $item->title;
+  }
+
+  if (($entity = $item->entity) && empty($item->uri)) {
+    $variables['image']['#uri'] = $entity->getFileUri();
+  }
+  else {
+    $variables['image']['#uri'] = $item->uri;
+  }
+
+  foreach (['width', 'height', 'alt'] as $key) {
+    $variables['image']["#$key"] = $item->$key;
+  }
+}