From 9c69c9acd714bd10a8213fbe7c081bf8d4d940a1 Mon Sep 17 00:00:00 2001
From: yflory <yann.flory@xwiki.com>
Date: Thu, 28 Feb 2019 18:08:48 +0100
Subject: [PATCH] Convert tabs to spaces in codemirror with the correct
 settings #324

---
 www/common/sframe-common-codemirror.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/www/common/sframe-common-codemirror.js b/www/common/sframe-common-codemirror.js
index 8ea515cc9..c4a18f4e0 100644
--- a/www/common/sframe-common-codemirror.js
+++ b/www/common/sframe-common-codemirror.js
@@ -360,6 +360,17 @@ define([
                 editor.setOption('indentUnit', units);
                 editor.setOption('tabSize', units);
                 editor.setOption('indentWithTabs', useTabs);
+                if (!useTabs) {
+                    editor.setOption("extraKeys", {
+                        Tab: function(cm) {
+                            editor.replaceSelection(Array(units + 1).join(" "));
+                        }
+                    });
+                } else {
+                    editor.setOption("extraKeys", {
+                        Tab: undefined,
+                    });
+                }
                 $('.CodeMirror').css('font-size', fontSize+'px');
             };