Reset pictos when there is no word in text field

sails/src/assets/scripts/modules/student/controllers/addpicto.js

@@ -316,9 +316,16 @@ dashboardControllers.controller('AddPictoCtrl', function (
   $scope.search = function() {
   $scope.search = function() {
 
 
     $scope.page=1; // Reset pagination
     $scope.page=1; // Reset pagination
+
     var length = $scope.srch_term_picto == undefined ? 0 : $scope.srch_term_picto.length;
     var length = $scope.srch_term_picto == undefined ? 0 : $scope.srch_term_picto.length;
-    if(length <2){ //Check the word length
+    if(length == 1){ //Check the word length
       $scope.alert = { type: 'warning', msg: 'warning_two_characters', show: true };
       $scope.alert = { type: 'warning', msg: 'warning_two_characters', show: true };
+    }else if(length == 0){ // If there is no word, reset pictos
+      if ($scope.onlyOwn || $scope.source == "ownpictos"){
+        $scope.load_own_pictos();
+      }else{
+        $scope.open_category_from_bc(0);
+      }
     }else{
     }else{
       var request = "";
       var request = "";
       var source = 1;
       var source = 1;