From 98dc63cce4606b517bd64edb623b3f2a11659cec Mon Sep 17 00:00:00 2001
From: Aaron O'Mullan <aaron.omullan@friendco.de>
Date: Tue, 28 Jan 2014 11:37:43 +0100
Subject: [PATCH] Close auto magic complete when prefix is empty

While removing text
---
 lib/ace/ext/language_tools.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/ace/ext/language_tools.js b/lib/ace/ext/language_tools.js
index b505fcfa..67e35dc7 100644
--- a/lib/ace/ext/language_tools.js
+++ b/lib/ace/ext/language_tools.js
@@ -119,6 +119,7 @@ var onChangeAutocomplete = function(e, editor) {
     var session = editor.getSession();
     var pos = editor.getCursorPosition();
     var line = session.getLine(pos.row);
+    var hasCompleter = (editor.completer && editor.completer.activated);
 
     // Detect paste (poor man's paste detection)
     var typing = !(
@@ -129,6 +130,15 @@ var onChangeAutocomplete = function(e, editor) {
         e.data.action !== 'insertText'
     );
 
+    // We don't want to autocomplete with no prefix
+    if(
+        e.data.action === 'removeText' &&
+        util.retrievePrecedingIdentifier(line, pos.column) === ''
+    ) {
+        if(hasCompleter) editor.completer.detach();
+        return;
+    }
+
     // we don't want to autocomplete on paste events
     if(!typing) {
         return;
@@ -141,8 +151,6 @@ var onChangeAutocomplete = function(e, editor) {
     // The prefix to autocomplete for
     var prefix = util.retrievePrecedingIdentifier(line, pos.column);
 
-    var hasCompleter = (editor.completer && editor.completer.activated);
-
     // Only autocomplete if there's a prefix that can be matched
     if(prefix !== '' && !(hasCompleter)) {
         if (!editor.completer) {