frontend: show snapshots even its empty

  * empty snapshot table -> no snapshots found

Author: j-keck

webapp/app.js

@@ -243,6 +243,7 @@ zsd.controller('BySnapshotCtrl', ["Backend", "Difflib", function(Backend, Diffli
 
   self.showSnapshotDiff = function(snap){
     self.currentSnapshot = snap;
+    delete self.snapshotDiff;
     Backend.snapshotDiff(snap.Name).then(function(diff){
       self.snapshotDiff = diff;
     });
@@ -267,6 +268,11 @@ zsd.controller('ByFileCtrl', ["Backend", "Difflib", "$window", "$sce", "$q", fun
     });   
   }
 
+
+  self.snapshotsFetched = function(){
+    return angular.isArray($scope.snapshots);
+  };
+  
   self.snapshotSelected = function(snap, scrollToContent){
     self.currentSnapshot = snap;
 

webapp/by-file.html

@@ -6,11 +6,8 @@
   </dir-browser>
 
   <div ng-show="ctrl.isFileSelected">
-    <div ng-hide="ctrl.snapshots">
-      loading snapshots .....
-    </div>
 
-    <div ng-show="ctrl.snapshots">
+    <div ng-show="ctrl.snapshotsFetched">
       <snapshots snapshots="ctrl.snapshots" on-snapshot-selected="ctrl.snapshotSelected(snap)">
       </snapshots>