ajaxyfied image links, fix #3

sites/all/themes/custom/edlptheme/edlptheme.theme

@@ -8,6 +8,8 @@
 use Drupal\Core\Url;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Template\Attribute;
+use Drupal\Component\Utility\Unicode;
+use Drupal\Core\Render\Element;
 
 // function edlptheme_preprocess_input(&$vars){
   // dsm($vars, 'vars');
@@ -133,3 +135,28 @@ function edlptheme_preprocess_node__enregistrement__player_cartel(&$vars){
   $vars['col_right'] = true;
 
 }
+
+
+/**
+ * Prepares variables for image formatter templates.
+ *
+ * Default template: image-formatter.html.twig.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - item: An ImageItem object.
+ *   - item_attributes: An optional associative array of html attributes to be
+ *     placed in the img tag.
+ *   - image_style: An optional image style.
+ *   - url: An optional \Drupal\Core\Url object.
+ */
+function edlptheme_preprocess_image_formatter(&$vars){
+  if(isset($vars['url'])){
+    $system_path = $vars['url']->getInternalPath();
+    $vars['link_attributes'] = new Attribute(array(
+      'data-drupal-link-system-path' => $system_path=='' ? '<front>' : $system_path,
+      'class' => array('ajax-link')
+    ));
+    // dpm($vars);
+  }
+}

sites/all/themes/custom/edlptheme/templates/content/image-formatter.html.twig

@@ -0,0 +1,19 @@
+{#
+/**
+ * @file
+ * Theme override to display a formatted image field.
+ *
+ * Available variables:
+ * - image: A collection of image data.
+ * - image_style: An optional image style.
+ * - path: An optional array containing the link 'path' and link 'options'.
+ * - url: An optional URL the image can be linked to.
+ *
+ * @see template_preprocess_image_formatter()
+ */
+#}
+{% if url %}
+  <a href="{{ url }}" {{ link_attributes }}>{{ image }}</a>
+{% else %}
+  {{ image }}
+{% endif %}