1 files changed, 81 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Maintenance/MaintenanceCommand.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Maintenance/MaintenanceCommand.cs
new file mode 100644
index 000000000..5c74d92cd
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Maintenance/MaintenanceCommand.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.Core;
+using Tango.Core.Commands;
+using Tango.Core.DI;
+using Tango.Integration.Operation;
+using Tango.PPC.Common.Connection;
+using Tango.PPC.Common.Notifications;
+
+namespace Tango.PPC.Maintenance
+{
+    public abstract class MaintenanceCommand<T> : ExtendedObject
+    {
+        private IMachineProvider _machineProvider;
+        [TangoInject(Mode = TangoInjectMode.WhenAvailable)]
+        protected IMachineProvider MachineProvider
+        {
+            get { return _machineProvider; }
+            set
+            {
+                _machineProvider = value; RaisePropertyChangedAuto();
+                _machineProvider.MachineOperator.StatusChanged += MachineOperator_StatusChanged;
+            }
+        }
+
+        [TangoInject(Mode = TangoInjectMode.WhenAvailable)]
+        protected INotificationProvider NotificationProvider { get; set; }
+
+        private RelayCommand _command;
+        public RelayCommand Command
+        {
+            get { return _command; }
+            set { _command = value; RaisePropertyChangedAuto(); }
+        }
+
+        private bool _isEnabled;
+        public bool IsEnabled
+        {
+            get { return _isEnabled; }
+            set { _isEnabled = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
+        }
+
+        private T _state;
+        public T State
+        {
+            get { return _state; }
+            set { _state = value; RaisePropertyChangedAuto(); InvalidateRelayCommands(); }
+        }
+
+        private void MachineOperator_StatusChanged(object sender, MachineStatuses e)
+        {
+            InvalidateRelayCommands();
+        }
+
+        public MaintenanceCommand()
+        {
+            TangoIOC.Default.Inject(this);
+            IsEnabled = true;
+            Command = new RelayCommand(Execute, CanExecute);
+        }
+
+        protected virtual bool CanExecute()
+        {
+            if (!IsEnabled) return false;
+            if (MachineProvider == null) return false;
+            if (!MachineProvider.MachineOperator.CanPrint) return false;
+
+            return true;
+        }
+
+        private void Execute()
+        {
+            OnExecute();
+        }
+
+        protected abstract void OnExecute();
+    }
+}