init

DataPRO/Modules/TestSetups/Diagnostics/ViewModel/DiagnosticsViewModel.cs

@@ -0,0 +1,179 @@
+using System.ComponentModel;
+using System.ComponentModel.Composition;
+using System.Threading.Tasks;
+using DTS.Common.Events;
+using DTS.Common.Interactivity;
+using DTS.Common.Interface.TestSetups.Diagnostics;
+using Prism.Events;
+using Prism.Regions;
+using Unity;
+
+// ReSharper disable CheckNamespace
+// ReSharper disable MemberCanBePrivate.Global
+// ReSharper disable InconsistentNaming
+
+namespace Diagnostics
+{
+    /// <summary>
+    /// this class handles Diagnostics functionality
+    /// </summary>
+    [PartCreationPolicy(CreationPolicy.Shared)]
+    public class DiagnosticsViewModel : IDiagnosticsViewModel
+    {
+        /// <summary>
+        /// The DiagnosticsTreeView
+        /// </summary>
+        public IDiagnosticsTreeView View { get; set; }
+
+        private IEventAggregator _eventAggregator { get; }
+        private IRegionManager _regionManager;
+        private IUnityContainer UnityContainer { get; }
+
+        public InteractionRequest<Notification> NotificationRequest { get; }
+        public InteractionRequest<Confirmation> ConfirmationRequest { get; }
+
+        /// <inheritdoc />
+        /// <summary>
+        /// Occurs when a property value changes.
+        /// </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+        public void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        #region constructors and initializers
+        /// <summary>
+        /// Creates a new instance of the DiagnosticsViewModel
+        /// </summary>
+        /// <param name="view"></param>
+        /// <param name="regionManager">The logical placeholder defined within the application's UI (in the shell or within views) into which views are displayed.</param>
+        /// <param name="eventAggregator">The EventAggregator which allows different components to publish/subscribe to events without being coupled to each other.</param>
+        /// <param name="unityContainer">The unityContainer.</param>
+        public DiagnosticsViewModel(IDiagnosticsTreeView view, IRegionManager regionManager,
+            IEventAggregator eventAggregator, IUnityContainer unityContainer)
+        {
+            TreeView = view;
+            TreeView.DataContext = this;
+
+            NotificationRequest = new InteractionRequest<Notification>();
+            ConfirmationRequest = new InteractionRequest<Confirmation>();
+
+            _eventAggregator = eventAggregator;
+            UnityContainer = unityContainer;
+            _regionManager = regionManager;
+            _eventAggregator.GetEvent<RaiseNotification>().Subscribe(OnRaiseNotification);
+            _eventAggregator.GetEvent<BusyIndicatorChangeNotification>()
+                .Subscribe(OnBusyIndicatorNotification, ThreadOption.PublisherThread, true);
+        }
+        #endregion
+
+        #region Methods
+
+        public void Unset()
+        {
+        }
+
+        public void Cleanup()
+        {
+        }
+
+        public Task CleanupAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        public void Initialize()
+        {
+        }
+
+        public void Initialize(object parameter)
+        {
+        }
+
+        public void Initialize(object parameter, object model)
+        {
+        }
+
+        public Task InitializeAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        public Task InitializeAsync(object parameter)
+        {
+            return Task.CompletedTask;
+        }
+
+        public void Activated()
+        {
+        }
+
+        /// <summary>
+        /// Private Event handler for RaiseNotification event.
+        /// </summary>
+        private void OnBusyIndicatorNotification(bool eventArg)
+        {
+            IsBusy = eventArg;
+        }
+
+        /// <summary>
+        /// Private Event handler for RaiseNotification event.
+        /// </summary>
+        private void OnRaiseNotification(NotificationContentEventArgs eventArgsWithTitle)
+        {
+            // The NotificationRequest.Raise triggers the Invoke() method of the PopupWindowAction object to show the NotificationWindow window
+            // Notification object expects a NotificationContentEventArgsWithoutTitle object and a Title string.
+            var eventArgsWithoutTitle = new NotificationContentEventArgs(eventArgsWithTitle.Message, "",
+                eventArgsWithTitle.Image, string.Empty);
+
+            NotificationRequest.Raise(new Notification
+            {
+                Content = eventArgsWithoutTitle,
+                Title = eventArgsWithTitle.Title
+            });
+        }
+
+        #endregion
+
+        #region Properties
+        public IDiagnosticsTreeView TreeView { get; set; }
+        public bool IsDirty { get; private set; }
+        private bool _isBusy;
+        public bool IsBusy
+        {
+            get => _isBusy;
+            set
+            {
+                _isBusy = value;
+                OnPropertyChanged("IsBusy");
+            }
+        }
+
+        private bool _isMenuIncluded;
+        public bool IsMenuIncluded
+        {
+            get => _isMenuIncluded;
+            set
+            {
+                _isMenuIncluded = value;
+                OnPropertyChanged("IsMenuIncluded");
+            }
+        }
+
+        private bool _isNavigationIncluded;
+        public bool IsNavigationIncluded
+        {
+            get => _isNavigationIncluded;
+            set
+            {
+                _isNavigationIncluded = value;
+                OnPropertyChanged("IsNavigationIncluded");
+            }
+        }
+        #endregion Properties
+
+        #region Commands
+        #endregion
+    }
+}