Improve prefs loading; format.

scripts/python/plotting/index.html

@@ -53,8 +53,8 @@
 
 	async function write_json_file(filename, json_data) {
     fst = 'filename=' +  filename;
-		fst += '&json_data' + json_data;
-	  const response = await fetch('http://localhost:8000/write_json?' + fst,
+		fst += '&json_data=' + JSON.stringify(json_data);
+	  await fetch('http://localhost:8000/write_json?' + fst,
 		{
 			method: 'GET'
 		}
@@ -254,11 +254,11 @@
 <!-- content -->
 <form id="model_form">
     <label for="model_name">model name:</label>
-		<select name="model_name" id="model_name" style="width: 400px" onclick="change_menu_value();"> 
+		<select name="model_name" id="model_name" style="width: 400px" onchange="change_menu_value();"> 
  		</select><br><br>
 
     <label for="model_spec">model spec:</label>
-	  <select name="model_spec" id="model_spec" style="width: 150px">    
+	  <select name="model_spec" id="model_spec" style="width: 150px" onchange="change_menu_value();">    
 	    <option selected="selected" value="File">File</option>
 			<option value="Preset">Preset</option>
 			<option value="JSON">JSON</option>

scripts/python/plotting/prefs.json

@@ -1 +1 @@
-null
+{"model_name": "LG_APHWC50", "model_spec": "Preset", "build_dir": "../../../build"}

scripts/python/plotting/server.py

@@ -74,15 +74,16 @@ def do_GET(self):
 			elif self.path.startswith('/write_json'):
 				query_components = urlparse.parse_qs(urlparse.urlparse(self.path).query)
 				filename = query_components.get('filename', [None])[0]
-				json_data = query_components.get('json_data', [None])[0]
-				response = {}
+				json_str = query_components.get('json_data', [None])[0]
+				print(json_str)
+				json_data = json.loads(json_str)
 				with open(filename, "w") as json_file:
+					#json_file.write(json_data)
 					json.dump(json_data, json_file)
 					json_file.close()
 
 				self.send_response(200)
 				self.send_header("Content-type", "text/html")
-				self.send_header("Content-Length", 0)
 				self.send_header("Access-Control-Allow-Origin", "*")
 				self.end_headers()
 				return

src/Condenser.cc

@@ -1087,4 +1087,4 @@ void HPWH::Condenser::convertMapToGrid(std::vector<std::vector<double>>& tempGri
 
     tempGridValues.push_back(inputPowers_W);
     tempGridValues.push_back(heatingCapacities_W);
-}
+}