small fixes for summary graph, added message about no data for the graph, when empty

rhodecode/controllers/summary.py

@@ -113,6 +113,7 b' class SummaryController(BaseController):'
 
 
         if stats and stats.languages:
+            c.no_data = False
             lang_stats = json.loads(stats.languages)
             c.commit_data = stats.commit_activity
             c.overview_data = stats.commit_activity_combined
@@ -123,8 +124,9 b' class SummaryController(BaseController):'
                                     )
         else:
             c.commit_data = json.dumps({})
-            c.overview_data = json.dumps([[ts_min_y, 0], [ts_max_y, 0] ])
+            c.overview_data = json.dumps([[ts_min_y, 0], [ts_max_y, 10] ])
             c.trending_languages = json.dumps({})
+            c.no_data = True
 
         return render('summary/summary.html')
 

rhodecode/templates/summary/summary.html

@@ -248,6 +248,10 b''
     </div>
     
     <div class="table">
+        
+         %if c.no_data:
+           <div style="padding:0 10px 10px 15px;font-size: 1.2em;">${_('No data loaded yet')}</div>
+        %endif:  
         <div id="commit_history" style="width:460px;height:300px;float:left"></div>
         <div style="clear: both;height: 10px"></div>
         <div id="overview" style="width:460px;height:100px;float:left"></div>