use var and remove suggestions when needed

Use variable for maximum number of suggestions for quicksearch.
And hide suggestions when search field is emptied, or when no suggestion are found.

2 files changed, 8 insertions, 2 deletions

diff --git a/lib/exe/ajax.php b/lib/exe/ajax.php
index fdc28d4f1..9769503a7 100644
--- a/lib/exe/ajax.php
+++ b/lib/exe/ajax.php
@@ -45,6 +45,8 @@ function ajax_qsearch(){
     global $lang;
     global $INPUT;
 
+    $maxnumbersuggestions = 50;
+
     $query = $INPUT->post->str('q');
     if(empty($query)) $query = $INPUT->get->str('q');
     if(empty($query)) return;
@@ -72,7 +74,7 @@ function ajax_qsearch(){
         echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
 
         $counter ++;
-        if($counter > 50) {
+        if($counter > $maxnumbersuggestions) {
             echo '<li>...</li>';
             break;
         }
diff --git a/lib/scripts/qsearch.js b/lib/scripts/qsearch.js
index 71aa2ba0e..0c3609ada 100644
--- a/lib/scripts/qsearch.js
+++ b/lib/scripts/qsearch.js
@@ -37,6 +37,7 @@ var dw_qsearch = {
         do_qsearch = function () {
             var value = dw_qsearch.$inObj.val();
             if (value === '') {
+                dw_qsearch.clear_results();
                 return;
             }
             jQuery.post(
@@ -83,7 +84,10 @@ var dw_qsearch = {
     onCompletion: function(data) {
         var max, $links, too_big;
 
-        if (data === '') { return; }
+        if (data === '') {
+            dw_qsearch.clear_results();
+            return;
+        }
 
         dw_qsearch.$outObj
             .html(data)