fix problems with rendering data

client/dashboard/layout/layout.js

@@ -1,6 +1,7 @@
 import React from 'react';
 import layoutRt from './layout.rt.js';
 import House from './../../models/house';
+import PowerDatum from './../../models/power_datum';
 
 var Layout = React.createClass({
 
@@ -31,7 +32,9 @@ var Layout = React.createClass({
     var layout = this,
       house_id = event.target.value,
       house = layout.state.houses.find((house)=>{ return house.data.id == house_id });
-    layout.setState({house: house});
+    layout.setState({house: house}, ()=>{
+      house.closeDb();
+    });
   },
 
   setView: function(event){
@@ -47,6 +50,19 @@ var Layout = React.createClass({
     layout.setState({dataset: dataset});
   },
 
+  refreshData: function(){
+    var layout = this,
+      houses = layout.state.houses,
+      all = [];
+    houses.forEach((house)=>{
+      all.push(house.clearData());
+    });
+    Promise.all(all)
+      .then(()=>{
+        window.location.reload();
+      });
+  },
+
   render: function() {
     return layoutRt.call(this);
   }