fixed page title and performance display for filtered search by tids : displa term names instead of tids

sites/all/modules/gui/materiobasemod/materio_search_api.pages.inc

@@ -177,8 +177,19 @@ function materio_search_api_results_search(){
       // TODO: this two following functions calls should be merged, it's not clean as it is
       if(!$filters_search){
         $results = msa_solrquery_materiauxbreves($typed, $language, $user, $offset, $limit);
+        $human_readable_keywords = $typed;
       }else{
-        $results = msa_solrquery_filterssearch($typed, $language, $user, $offset, $limit);
+        // $keys = explode("+", $typed);
+        // foreach ($keys as $value) {
+        //   $tids[] = intval($value);
+        // }
+        $tids = array_map('intval', explode('+', $typed));
+        $results = msa_solrquery_filterssearch($tids, $language, $user, $offset, $limit);
+
+        foreach ($tids as $tid) {
+          $tnames[] = taxonomy_term_load($tid)->name;
+        }
+        $human_readable_keywords = implode(" + ", $tnames);
       }
     }
     # only breves search (+ related materials)
@@ -193,12 +204,11 @@ function materio_search_api_results_search(){
     $ret['results']['#items'] = $results['items'];
     // $ret['results']['#index'] = $results['index'];
     $ret['results']['#theme'] = 'materio_search_api_results';
-    $ret['results']['#keys'] = $typed;
+    $ret['results']['#keys'] = $human_readable_keywords;
     $ret['results']['#view_mode'] = $viewmode;
 
     // page title
-    $page_title = $typed;
-    drupal_set_title('<i class="icon-materio-search"></i>'.check_plain($page_title), PASS_THROUGH);
+    drupal_set_title('<i class="icon-materio-search"></i>'.check_plain($human_readable_keywords), PASS_THROUGH);
 
     // render results
     if(isset($results)){
@@ -347,12 +357,7 @@ function msa_solrquery_materiauxbreves($keys, $language, $user, $offset, $limit)
 }
 
 
-function msa_solrquery_filterssearch($keys, $language, $user, $offset, $limit){
-  // dsm($keys, "keys");
-  $keys = explode("+", $keys);
-  foreach ($keys as $value) {
-    $tids[] = intval($value);
-  }
+function msa_solrquery_filterssearch($tids, $language, $user, $offset, $limit){
   // dsm($tids, "tids");
   // dsm($offset, 'offset');
   // dsm($limit, 'limit');
@@ -457,8 +462,6 @@ function msa_solrquery_filterssearch($keys, $language, $user, $offset, $limit){
 }
 
 function msa_cmp_filtered_results($a, $b){
-  // dsm($a, "a");
-  // dsm($b, "b");
   if ($a['score'] == $b['score']) {
     return 0;
   }