adding events locally works basically

lib/addevent.dart

@@ -2,11 +2,29 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'datamodel.dart';
 
+
 class AddEvent extends StatelessWidget {
+
+  void _storeCurrentEvent() {
+    final EventStoreInstance storedEvents = EventStoreInstance();
+    final EventCurrentInstance currentEvent = EventCurrentInstance();
+    storedEvents.store.add(
+        Event(
+          currentEvent.store.id,
+          currentEvent.store.urn,
+          currentEvent.store.label,
+          currentEvent.store.type,
+          currentEvent.store.description,
+          currentEvent.store.status,
+        ));
+  }
+
   @override
   Widget build(BuildContext context) {
     /* Get singletons to access relevant data here.*/
     final EventTypeStoreInstance eventTypes = EventTypeStoreInstance();
+    final DeviceStoreInstance availableDevice = DeviceStoreInstance();
+    final EventStoreInstance storedEvents = EventStoreInstance();
     final EventCurrentInstance currentEvent = EventCurrentInstance();
 
     return Scaffold(
@@ -16,9 +34,13 @@ class AddEvent extends StatelessWidget {
           mainAxisAlignment: MainAxisAlignment.spaceEvenly,
           children: <Widget>[
             TextFormField(
+              initialValue: currentEvent.store.label,
               decoration: const InputDecoration(
                   labelText: 'Label'
               ),
+              onChanged: (value) {
+                currentEvent.store.label = value;
+              },
             ),
             DropdownButtonFormField(
                 value: currentEvent.store.type,
@@ -37,26 +59,29 @@ class AddEvent extends StatelessWidget {
                 }
             ),
             DropdownButtonFormField(
+                value: currentEvent.store.urn,
                 decoration: const InputDecoration(
                   labelText: 'URN',
                 ),
-                items: [
-                  DropdownMenuItem(
-                    child: Text('ADCP'),
-                    value: 'ADCP',
-                  ),
-                  DropdownMenuItem(
-                    child: Text('EM712'),
-                    value: 'EM712',
-                  )
-                ],
+                items:
+                availableDevice.store.map((Device device) {
+                  return DropdownMenuItem(
+                    value: device.urn,
+                    child: Text(device.urn),
+                  );
+                }).toList(),
                 onChanged: (value) {
+                  currentEvent.store.urn = value.toString();
                 }
             ),
             TextFormField(
+              initialValue: currentEvent.store.description,
               decoration: const InputDecoration(
                   labelText: 'Description'
               ),
+              onChanged: (value) {
+                currentEvent.store.description = value;
+              },
             ),
             TextFormField(
               decoration: const InputDecoration(
@@ -76,7 +101,7 @@ class AddEvent extends StatelessWidget {
           ]),
       bottomNavigationBar: Row(
         mainAxisAlignment: MainAxisAlignment.end,
-        children: const [
+        children: [
           FloatingActionButton(
             heroTag: null,
             onPressed: null,
@@ -86,7 +111,7 @@ class AddEvent extends StatelessWidget {
           SizedBox(width: 50),
           FloatingActionButton(
             heroTag: null,
-            onPressed: null,
+            onPressed: _storeCurrentEvent,
             tooltip: 'Add Event',
             child: Icon(Icons.add),
           ),

lib/datamodel.dart

 import 'package:shared_preferences/shared_preferences.dart';
 
+class Device{
+  int id;
+  String urn;
+
+  Device(this.id, this.urn);
+
+  factory Device.fromJson(Map<String, dynamic> parsedJson){
+    return Device( parsedJson['id'] as int,
+        parsedJson['urn'] as String);
+  }
+
+  @override
+  String toString(){
+    return '{ ${this.id}, ${this.urn} }';
+  }
+}
+
 class Event{
   int id;
   String urn;
@@ -32,30 +49,33 @@ class Event{
   }
 }
 
-abstract class EventStoreBase{
-  List<Event> store = [];
-}
-
-abstract class EventCurrentBase{
-  Event store = Event(0, 'urn0', '', '', '', 'PENDING');
-}
-
-
-
 class EventType{
   int id;
   String name;
 
   EventType(
-    this.id,
-    this.name
-  );
+      this.id,
+      this.name
+      );
 
   factory EventType.fromJson(Map<String, dynamic> parsedJson){
     return EventType(parsedJson['id'] as int, parsedJson['name'] as String);
   }
 }
 
+
+abstract class DeviceStoreBase{
+  List<Device> store = [];
+}
+
+abstract class EventStoreBase{
+  List<Event> store = [];
+}
+
+abstract class EventCurrentBase{
+  Event store = Event(0, 'urn0', '', '', '', 'PENDING');
+}
+
 abstract class EventTypeStoreBase{
   List<EventType> store = [];
 }
@@ -94,4 +114,17 @@ class EventTypeStoreInstance extends EventTypeStoreBase{
   EventTypeStoreInstance._internal(){
     store = [];
   }
+}
+
+
+class DeviceStoreInstance extends DeviceStoreBase{
+  static final DeviceStoreInstance _instance = DeviceStoreInstance._internal();
+
+  factory DeviceStoreInstance(){
+    return _instance;
+  }
+
+  DeviceStoreInstance._internal(){
+    store = [];
+  }
 }
\ No newline at end of file

lib/main.dart

@@ -12,19 +12,20 @@ void main() {
   EventStoreInstance events = EventStoreInstance();
   EventTypeStoreInstance eventTypes = EventTypeStoreInstance();
   EventCurrentInstance currentEvent = EventCurrentInstance();
+  DeviceStoreInstance availableDevice = DeviceStoreInstance();
 
+  
+  // Add some dummy devices
+  availableDevice.store.add(Device.fromJson({'id': 8311, 'urn':'station:neumayer_iii:awi_snow_sampler_1'}));
+  availableDevice.store.add(Device.fromJson({'id': 4086, 'urn':'acoustic_backscatter_sensor:test'}));
 
   // Create current event as basis when starting add event widget
-  currentEvent.store.urn = 'ADCP';
+  currentEvent.store.urn = 'acoustic_backscatter_sensor:test';
   currentEvent.store.id = 1234;
   currentEvent.store.description = 'blabla';
   currentEvent.store.label = 'PS129_ABC';
   currentEvent.store.type = 'Deployment';
-
-
-
-
-
+  
   //Add some dummy events to eventstore
   events.store.add(Event.fromJson({
     'id': 8311,