From 84b5bf94bd59b3be528d2d667e9aa76d8a8fd957 Mon Sep 17 00:00:00 2001
From: Denis Ledoux <dle@odoo.com>
Date: Thu, 15 Jan 2015 19:03:20 +0100
Subject: [PATCH] [IMP] mail: prevent leaving when composing a message

---
 addons/mail/static/src/js/mail.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/addons/mail/static/src/js/mail.js b/addons/mail/static/src/js/mail.js
index 824a6397dff7..25a6c1e8e54f 100644
--- a/addons/mail/static/src/js/mail.js
+++ b/addons/mail/static/src/js/mail.js
@@ -408,6 +408,16 @@ openerp.mail = function (session) {
             this.is_log = false;
             this.recipients = [];
             this.recipient_ids = [];
+            session.web.bus.on('clear_uncommitted_changes', this, function(e) {
+                if (this.show_composer && !e.isDefaultPrevented()){
+                    if (!confirm(_t("You are currently composing a message, your message will be discarded.\n\nAre you sure you want to leave this page ?"))) {
+                        e.preventDefault();
+                    }
+                    else{
+                        this.on_cancel();
+                    }
+                }
+            });
         },
 
         start: function () {
-- 
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