Add table view for calendar

app/Event.php

@@ -143,4 +143,17 @@ class Event extends Model
     {
         return count($this->schedule["niveaux"]);
     }
+
+    static function getMaxLevels($events)
+    {
+        $maxlevel = 0;
+        foreach ($events as $e)
+        {
+            if ($e->nbNiveau() > $maxlevel)
+            {
+                $maxlevel = $e->nbNiveau();
+            }
+        }
+        return $maxlevel;
+    }
 }