From 5a75c6ef2f9f128dc8d15c0d218704460a12ef79 Mon Sep 17 00:00:00 2001
From: Marc Wouts <marc.wouts@gmail.com>
Date: Thu, 13 Jun 2019 17:13:56 +0200
Subject: [PATCH] Update entries in the Jupytext menu on hover

Fix #248
---
 HISTORY.rst                   | 2 +-
 jupytext/nbextension/index.js | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/HISTORY.rst b/HISTORY.rst
index 4e50b37bc..7b42cfb7c 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -14,7 +14,7 @@ Release History
 **BugFixes**
 
 - The Jupytext Menu in Jupyter Notebook is now compatible with ``jupyter_nbextensions_configurator`` (#178)
-
+- Entries in the Jupytext menu are updated when the menu is hovered on (#248)
 
 1.1.6 (2019-06-11)
 ++++++++++++++++++++++
diff --git a/jupytext/nbextension/index.js b/jupytext/nbextension/index.js
index 031b94c88..bc24d8245 100644
--- a/jupytext/nbextension/index.js
+++ b/jupytext/nbextension/index.js
@@ -78,6 +78,11 @@ define([
         checkAutosave();
     }
 
+    function updateJupytextMenu() {
+        checkSelectedJupytextFormat();
+        checkAutosave();
+    }
+
     function jupytext_pair(formats, text) {
         return $('<li/>').append($('<a/>')
             .attr('id', 'jupytext_pair_' + formats.replace(':', '_').replace(',', '_'))
@@ -102,7 +107,8 @@ define([
                 .attr('data-toggle', 'dropdown')
                 .attr('aria-expanded', 'false')
                 .text('Jupytext')
-                .attr('title', 'Jupyter notebooks as Markdown documents, Julia, Python or R scripts');
+                .attr('title', 'Jupyter notebooks as Markdown documents, Julia, Python or R scripts')
+                .on('mouseover', updateJupytextMenu);
 
             var JupytextActions = $('<ul/>')
                 .attr('id', 'jupytext_actions')