From c3162849242dc8036ab6afc3993f796fe436d5a1 Mon Sep 17 00:00:00 2001
From: Kazuki-Nakanishi <kazuki.nakanishi.vr@hitachi-solutions.com>
Date: Wed, 7 Feb 2018 14:19:18 +0900
Subject: [PATCH] Fix the problem that the last flow tab can be deleted

---
 editor/js/ui/common/tabs.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/editor/js/ui/common/tabs.js b/editor/js/ui/common/tabs.js
index f66b95421..6b266ba59 100644
--- a/editor/js/ui/common/tabs.js
+++ b/editor/js/ui/common/tabs.js
@@ -333,7 +333,9 @@ RED.tabs = (function() {
             previousTab: activatePreviousTab,
             resize: updateTabWidths,
             count: function() {
-                return ul.find("li.red-ui-tab").size();
+                var numOfTabs = ul.find("li.red-ui-tab").size();
+                var numOfSubflow = ul.find('img[src="red/images/subflow_tab.png"]').size();
+                return numOfTabs - numOfSubflow;
             },
             contains: function(id) {
                 return ul.find("a[href='#"+id+"']").length > 0;