add worker count to make the demo more friendly

dream/platform/__init__.py

@@ -41,7 +41,7 @@ def setModel():
 
 @app.route("/updateModel", methods=["POST", "OPTIONS"])
 @crossdomain(origin='*')
-def setModel():
+def updateModel():
   app.logger.debug('updateModel')
   data['model'] = request.json
   return "ok"

ui/css/demo-new.css

@@ -86,12 +86,22 @@ body {
   border-radius: 10px;
 }
 
+#total_workers {
+  position: absolute;
+  width: 100px;
+  height: 80px;
+  border: 2px solid;
+  margin-top: 80px;
+  margin-left: 720px;
+  border-radius: 10px;
+}
+
 #total_throughput {
   position: absolute;
   width: 100px;
   height: 80px;
   border: 2px solid;
-  margin-top: 135px;
+  margin-top: 200px;
   margin-left: 720px;
   border-radius: 10px;
 }

ui/index.html

@@ -21,6 +21,10 @@
         <ul>
         </ul>
       </div>
+      <div id="total_workers">
+        Workers
+        <h2>0</h2>
+      </div>
       <div id="total_throughput">
         Throughput
         <h2></h2>

ui/src/dream_launcher.js

-(function($) {
+(function($, _) {
   "use strict";
   jsPlumb.bind("ready", function() {
     var graph_data = {}, dream_instance, available_people = {}, people_list,
-        i, i_length;
+        i, i_length, updateWorkerCount;
     graph_data.throughput = 0;
     graph_data.box_list = [
         {id: 'window1', title: 'attach1', throughput: 30, target_list: ['window2'], coordinate: {top: 5, left: 5}},
@@ -28,6 +28,17 @@
       $("#not_available ul").append('<li class="ui-state-default">' + people_list[i] + "</li>");
     }
 
+    updateWorkerCount = function () {
+      var available_worker_length = 0,
+          available_worker_values =  _.values(available_people);
+      _.each(available_worker_values, function(value) {
+        if (value === true) {
+          available_worker_length += 1;
+        }
+      });
+      $("#total_workers h2").text(available_worker_length.toString());
+    }
+
     // Make list of people draggable, update list of people depending
     // to make them available or not
     $("#available li").draggable({appendTo: "body"});
@@ -36,14 +47,16 @@
       drop: function(event, ui) {
         available_people[ui.draggable.text()] = true;
         dream_instance.setSimulationParameters(available_people);
+        updateWorkerCount();
       }
     });
     $("#not_available").droppable({
       drop: function(event, ui) {
         available_people[ui.draggable.text()] = false;
         dream_instance.setSimulationParameters(available_people);
+        updateWorkerCount();
       }
     });
   })
 
-})(jQuery);
+})(jQuery, _);
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