From 0c0d43197c6190a681d415c4d718fda602f816a5 Mon Sep 17 00:00:00 2001
From: robertgarrigos <robert@garrigos.cat>
Date: Mon, 27 Jul 2020 19:09:54 +0200
Subject: [PATCH] add hook to alter link

---
 references_dialog.api.php | 17 +++++++++++++++++
 references_dialog.module  |  2 ++
 2 files changed, 19 insertions(+)

diff --git a/references_dialog.api.php b/references_dialog.api.php
index 73835c6..7977d01 100644
--- a/references_dialog.api.php
+++ b/references_dialog.api.php
@@ -101,6 +101,23 @@ function hook_references_dialog_search_attachables() {
   );
 }
 
+/**
+ * Allow other modules to alter the link
+ *
+ * @param $link
+ *   The link array to be formed by l()
+ * @param $element
+ *    The element to which the widget is attached
+ */
+function hook_references_dialog_link_alter(&$link, $element) {
+  if ($element['#field_name'] == 'field_source') {
+    // This example adds the query string to prepopulate the form
+    $link['query'] = [
+      'edit[field_trasnslations][und][0][nid]' => '[nid:' . $element['#entity']->nid . ']',
+    ];
+  }
+}
+
 /**
  * @} End of "addtogroup hooks".
  */
diff --git a/references_dialog.module b/references_dialog.module
index d22fbb9..961d075 100644
--- a/references_dialog.module
+++ b/references_dialog.module
@@ -328,6 +328,8 @@ function references_dialog_process_widget(&$element) {
       $links = $settings['function']($element, $widget_settings, $field, $instance);
       foreach ($links as $link) {
         $link['attributes']['class'][] = $operation . '-dialog';
+        // Allow other modules to alter the link
+        backdrop_alter('references_dialog_link', $link, $element);
         $dialog_links[] = references_dialog_link($link);
       }
     }