Add Menu::add_before()

1 files changed, 16 insertions, 1 deletions

diff --git a/modules/gallery/libraries/Menu.php b/modules/gallery/libraries/Menu.php
index 7c76ab04..fef07916 100644
--- a/modules/gallery/libraries/Menu.php
+++ b/modules/gallery/libraries/Menu.php
@@ -184,7 +184,7 @@ class Menu_Core extends Menu_Element {
   }
 
   /**
-   * Add a new element to this menu
+   * Add a new element to this menu, after the specific element
    */
   public function add_after($target_id, $new_menu_element) {
     $copy = array();
@@ -199,6 +199,21 @@ class Menu_Core extends Menu_Element {
   }
 
   /**
+   * Add a new element to this menu, before the specific element
+   */
+  public function add_before($target_id, $new_menu_element) {
+    $copy = array();
+    foreach ($this->elements as $id => $menu_element) {
+      if ($id == $target_id) {
+        $copy[$new_menu_element->id] = $new_menu_element;
+      }
+      $copy[$id] = $menu_element;
+    }
+    $this->elements = $copy;
+    return $this;
+  }
+
+  /**
    * Remove an element from the menu
    */
   public function remove($target_id) {