From 8a96e73cb2bfaf1bb973281e1c3033f3ecc5309f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Wed, 28 May 2014 12:27:00 +0200
Subject: [PATCH 1/1] editor: fix - remove gutter group when canvas element
 gets detached

---
 src/editor/modules/documentCanvas/canvas/documentElement.js | 3 +++
 src/editor/modules/documentCanvas/canvas/gutter.js          | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/src/editor/modules/documentCanvas/canvas/documentElement.js b/src/editor/modules/documentCanvas/canvas/documentElement.js
index 8a5193b..d40ca9b 100644
--- a/src/editor/modules/documentCanvas/canvas/documentElement.js
+++ b/src/editor/modules/documentCanvas/canvas/documentElement.js
@@ -154,6 +154,9 @@ $.extend(DocumentNodeElement.prototype, {
     detach: function(isChild) {
         var parents;
 
+        if(this.gutterGroup) {
+            this.gutterGroup.remove();
+        }
         if(_.isFunction(this.children)) {
             this.children().forEach(function(child) {
                 child.detach(true);
diff --git a/src/editor/modules/documentCanvas/canvas/gutter.js b/src/editor/modules/documentCanvas/canvas/gutter.js
index b6bd665..472998a 100644
--- a/src/editor/modules/documentCanvas/canvas/gutter.js
+++ b/src/editor/modules/documentCanvas/canvas/gutter.js
@@ -42,11 +42,13 @@ var GutterGroupView = function(gutterView, group) {
     
     this.group.on('viewAdded', this.onViewAdded, this);
     this.group.on('focusToggled', this.onFocusToggled, this);
+    this.group.on('removed', this.remove, this);
 };
 $.extend(GutterGroupView.prototype, {
     remove: function() {
         this.group.off('viewAdded', this.onViewAdded);
         this.group.off('focusToggled', this.onFocusToggled);
+        this.group.off('removed', this.removed);
         this.dom.detach();
     },
     onViewAdded: function(view) {
@@ -84,6 +86,9 @@ $.extend(ViewGroup.prototype, Backbone.Events, {
     },
     show: function() {
         this.gutter.show(this);
+    },
+    remove: function() {
+        this.trigger('removed');
     }
 });
 
-- 
2.20.1