From 1fe63561a81290c8afd3afc47674402194d9651d Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Sat, 6 Dec 2014 09:02:06 +0200
Subject: completer: hide unless 1 or more elements; Fixes #185

---
 index.html            | 2 +-
 src/view/completer.js | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/index.html b/index.html
index efb3e556..81c7491c 100644
--- a/index.html
+++ b/index.html
@@ -47,7 +47,7 @@
         <input class="input-bar" id="textanalyser" placeholder="Add nodes and relationships"/>
         <button class="add-button"></button>
       </form>
-      <div class="suggestion">
+      <div class="suggestion" style="display: none">
       </div>
     </div>
     <div class="info-container">
diff --git a/src/view/completer.js b/src/view/completer.js
index 7cf20d05..675774d8 100644
--- a/src/view/completer.js
+++ b/src/view/completer.js
@@ -68,6 +68,7 @@ var completer = (function (input_element, dropdown) {
         var hash = text.slice(0, cursor).lastIndexOf(triggerStart);
         // TODO check if current completion has been invalidated
         _invalidateSelection();
+        dropdown.hide();
         dropdown_raw.innerHTML = ""; // remove all elements
         if (hash == -1) {
             return;
@@ -87,6 +88,9 @@ var completer = (function (input_element, dropdown) {
         });
         completion_start = hash + 1;
         completion_end = space;
+        if (dropdown.children().length > 0) {
+            dropdown.show();
+        }
     }
 
     function _invalidateSelection() {
-- 
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