1 files changed, 8 insertions, 2 deletions
diff --git a/src/client/view/selection.js b/src/client/view/selection.js
index 5e24e801..6ac675aa 100644
--- a/src/client/view/selection.js
+++ b/src/client/view/selection.js
@@ -213,9 +213,9 @@ var inner_update = function(nodes)
     connectedComponent(nodes);
 }
 
-var update = function(nodes, append)
+var update = function(nodes)
 {
-    var new_nodes = append ? _.union(root_nodes, nodes) : nodes;
+    var new_nodes = nodes;
     var not_same = !arr_compare(new_nodes, root_nodes);
 
     if (not_same) {
@@ -223,6 +223,11 @@ var update = function(nodes, append)
     }
 }
 
+var invert = function(nodes)
+{
+    update(_.union(_.difference(root_nodes, nodes), _.difference(nodes, root_nodes)));
+}
+
 var setup_toolbar = function(main_graph)
 {
     var merge_root_selection = function() {
@@ -263,6 +268,7 @@ return {
     byVisitors: byVisitors,
     connectedComponent: connectedComponent,
     clear: clear,
+    invert: invert,
     update: update,
     selected_class__node: selected_class__node,
     selected_class__link: selected_class__link,