Fix detection of simulator running state change

src/containers/app.js

@@ -32,7 +32,7 @@ class App extends Component {
   static calculateState(prevState) {
     // get list of running simulators
     var simulators = SimulatorStore.getState().filter(simulator => {
-      return simulator.running;
+      return simulator.running === true;
     });
 
     // check if running simulators changed
@@ -99,7 +99,7 @@ class App extends Component {
     const requiredSimulators = this.requiredSimulatorsBySimulations();
 
     requiredSimulators.forEach(simulator => {
-      this.connectSimulator(simulator);
+      this.connectSimulator(nextState, simulator);
     });
   }
 
@@ -126,9 +126,9 @@ class App extends Component {
     return simulators;
   }
 
-  connectSimulator(data) {
+  connectSimulator(state, data) {
     // get simulator object
-    const simulator = this.state.runningSimulators.find(element => {
+    const simulator = state.runningSimulators.find(element => {
       return element._id === data.simulator;
     });
 

src/data-managers/simulators-data-manager.js

@@ -52,7 +52,9 @@ class SimulatorsDataManager extends RestDataManager {
     this._timers = [];
   }
 
-  startRunningDetection(simulator) {
+  startRunningDetection(obj) {
+    const simulator = JSON.parse(JSON.stringify(obj));
+
     // check if timer is already running
     const index = this._timers.findIndex(timer => {
       return timer.simulator === simulator._id;

src/stores/simulator-store.js

@@ -33,7 +33,17 @@ class SimulatorStore extends ArrayStore {
         return super.reduce(state, action);
 
       case 'simulators/running':
-        return this.updateElements(state, [ action.simulator ]);
+        // check if simulator running state changed
+        simulator = state.find(element => {
+          return element._id === action.simulator._id;
+        });
+
+        // only update if state changed
+        if (simulator.running == null || simulator.running !== action.simulator.running) {
+          state = this.updateElements(state, [ action.simulator ]);
+        }
+
+        return state;
 
       case 'simulatorData/opened':
         // get simulator