1 files changed, 107 insertions, 0 deletions
diff --git a/Software/Visual_Studio/MachineStudio/Modules/MachineStudio.Dispensers/ViewModels/MainViewVM.cs b/Software/Visual_Studio/MachineStudio/Modules/MachineStudio.Dispensers/ViewModels/MainViewVM.cs
new file mode 100644
index 000000000..db9dff355
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Modules/MachineStudio.Dispensers/ViewModels/MainViewVM.cs
@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.BL;
+using Tango.BL.Entities;
+using Tango.MachineStudio.Common;
+using System.Data.Entity;
+using Tango.MachineStudio.Common.Notifications;
+using Tango.MachineStudio.Dispensers.Contracts;
+using Tango.Core.Commands;
+
+namespace Tango.MachineStudio.Dispensers.ViewModels
+{
+    public class MainViewVM : StudioViewModel<IMainView>
+    {
+        private ObservablesContext _dbContext;
+        private ObservablesContext _activeContext;
+        private INotificationProvider _notification;
+
+        private ObservableCollection<Dispenser> _dispensers;
+        public ObservableCollection<Dispenser> Dispensers
+        {
+            get { return _dispensers; }
+            set { _dispensers = value; RaisePropertyChangedAuto(); }
+        }
+
+        private Dispenser _selectedDispenser;
+        public Dispenser SelectedDispenser
+        {
+            get { return _selectedDispenser; }
+            set { _selectedDispenser = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
+        }
+
+        private Dispenser _activeDispenser;
+        public Dispenser ActiveDispenser
+        {
+            get { return _activeDispenser; }
+            set { _activeDispenser = value; RaisePropertyChangedAuto(); }
+        }
+
+        private String _filter;
+        public String Filter
+        {
+            get { return _filter; }
+            set { _filter = value; RaisePropertyChangedAuto(); OnFilterChanged(); }
+        }
+
+        public RelayCommand AddDispenserCommand { get; set; }
+
+        public RelayCommand RemoveDispenserCommand { get; set; }
+
+        public RelayCommand ManageDispenserCommand { get; set; }
+
+        public RelayCommand BackToDispensersCommand { get; set; }
+
+        public RelayCommand SaveCommand { get; set; }
+
+        public MainViewVM(INotificationProvider notificationProvider)
+        {
+            _notification = notificationProvider;
+
+            ManageDispenserCommand = new RelayCommand(ManageSelectedDispenser,() => SelectedDispenser != null);
+            BackToDispensersCommand = new RelayCommand(() => { View.NavigateTo(DispensersNavigationView.DispensersView); });
+        }
+
+        private async void OnFilterChanged()
+        {
+            if (Filter != null)
+            {
+                IsFree = false;
+                Dispensers = (await _dbContext.Dispensers.Where(x => x.SerialNumber.StartsWith(Filter)).ToListAsync()).ToObservableCollection();
+                IsFree = true;
+            }
+        }
+
+        private async void ManageSelectedDispenser()
+        {
+            if (SelectedDispenser != null)
+            {
+                if (_activeContext != null)
+                {
+                    _activeContext.Dispose();
+                }
+
+                using (_notification.PushTaskItem("Loading dispenser data..."))
+                {
+                    _activeContext = ObservablesContext.CreateDefault();
+                    ActiveDispenser = await _activeContext.Dispensers.SingleOrDefaultAsync(x => x.Guid == SelectedDispenser.Guid);
+                    View.NavigateTo(DispensersNavigationView.DispenserView);
+                }
+            }
+            else
+            {
+                ActiveDispenser = null;
+            }
+        }
+
+        public async override void OnApplicationReady()
+        {
+            _dbContext = ObservablesContext.CreateDefault();
+            await _dbContext.DispenserTypes.LoadAsync();
+        }
+    }
+}