1 files changed, 214 insertions, 0 deletions
diff --git a/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/DBViewModels/DbTableViewModel.cs b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/DBViewModels/DbTableViewModel.cs
new file mode 100644
index 000000000..2e3a6a6e1
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Tango.MachineStudio.UI/ViewModels/DBViewModels/DbTableViewModel.cs
@@ -0,0 +1,214 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.Core.Commands;
+using Tango.DAL.Observables;
+using Tango.MachineStudio.UI.Managers;
+using Tango.SharedUI;
+
+namespace Tango.MachineStudio.UI.ViewModels.DBViewModels
+{
+    public abstract class DbTableViewModel<T> : ViewModel where T : IObservableEntity
+    {
+        private T _editEntity;
+        /// <summary>
+        /// Gets or sets the edit entity.
+        /// </summary>
+        public T EditEntity
+        {
+            get { return _editEntity; }
+            set { _editEntity = value; RaisePropertyChangedAuto(); }
+        }
+
+        private DialogOpenMode _dialogOpenMode;
+        /// <summary>
+        /// Gets or sets the dialog open mode.
+        /// </summary>
+        public DialogOpenMode DialogOpenMode
+        {
+            get { return _dialogOpenMode; }
+            set { _dialogOpenMode = value; RaisePropertyChangedAuto(); }
+        }
+
+        private bool _isDialogOpen;
+        /// <summary>
+        /// Gets or sets a value indicating whether this instance is dialog open.
+        /// </summary>
+        public bool IsDialogOpen
+        {
+            get { return _isDialogOpen; }
+            set { _isDialogOpen = value; RaisePropertyChangedAuto(); }
+        }
+
+        private ObservablesEntitiesAdapter _adapter;
+        /// <summary>
+        /// Gets or sets the DB adapter.
+        /// </summary>
+        public ObservablesEntitiesAdapter Adapter
+        {
+            get { return _adapter; }
+            set { _adapter = value; RaisePropertyChangedAuto(); }
+        }
+
+        private T _selectedEntity;
+        /// <summary>
+        /// Gets or sets the selected entity.
+        /// </summary>
+        public T SelectedEntity
+        {
+            get { return _selectedEntity; }
+            set { _selectedEntity = value; RaisePropertyChangedAuto(); }
+        }
+
+        private String _filter;
+        /// <summary>
+        /// Gets or sets the search filter.
+        /// </summary>
+        public String Filter
+        {
+            get { return _filter; }
+            set { _filter = value; RaisePropertyChangedAuto(); OnFilterChanged(value); }
+        }
+
+        /// <summary>
+        /// Gets or sets the dialog OK command.
+        /// </summary>
+        public RelayCommand DialogOKCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the dialog cancel command.
+        /// </summary>
+        public RelayCommand DialogCancelCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the add command.
+        /// </summary>
+        public RelayCommand AddCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the edit command.
+        /// </summary>
+        public RelayCommand EditCommand { get; set; }
+
+        /// <summary>
+        /// Gets or sets the delete command.
+        /// </summary>
+        public RelayCommand DeleteCommand { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="DbTableViewModel"/> class.
+        /// </summary>
+        public DbTableViewModel() : base()
+        {
+            Adapter = App.DbAdapter;
+
+            AddCommand = new RelayCommand(OnAdd);
+            EditCommand = new RelayCommand(OnEdit);
+            DeleteCommand = new RelayCommand(OnDelete);
+            DialogOKCommand = new RelayCommand(() => OnDialogOKPressed(DialogOpenMode, EditEntity));
+            DialogCancelCommand = new RelayCommand(() => OnDialogCancelPressed(DialogOpenMode, EditEntity));
+
+            IsDialogOpen = false;
+        }
+
+        /// <summary>
+        /// Called when delete command invoked.
+        /// </summary>
+        protected virtual void OnDelete()
+        {
+            SelectedEntity.Deleted = true;
+            SelectedEntity.Save();
+        }
+
+        /// <summary>
+        /// Called when edit command invoked.
+        /// </summary>
+        protected virtual void OnEdit()
+        {
+            DialogOpenMode = DialogOpenMode.Editing;
+            EditEntity = GetEditableEntity(DialogOpenMode);
+            DialogsManager.ShowDialog(DialogOpenMode, this);
+            IsDialogOpen = true;
+        }
+
+        /// <summary>
+        /// Called when add command invoked.
+        /// </summary>
+        protected virtual void OnAdd()
+        {
+            DialogOpenMode = DialogOpenMode.Adding;
+            EditEntity = GetEditableEntity(DialogOpenMode);
+            DialogsManager.ShowDialog(DialogOpenMode, this);
+            IsDialogOpen = true;
+        }
+
+        /// <summary>
+        /// Called when dialog closes with OK button.
+        /// </summary>
+        /// <param name="mode">The mode.</param>
+        protected virtual void OnDialogOKPressed(DialogOpenMode mode, T entity)
+        {
+            if (mode == DialogOpenMode.Editing)
+            {
+                entity.ShallowCopyTo(SelectedEntity);
+                entity = SelectedEntity;
+            }
+
+            OnBeforeEntitySave(mode, entity);
+
+            entity.Save();
+            IsDialogOpen = false;
+            SelectedEntity = EditEntity;
+        }
+
+        /// <summary>
+        /// Called when [before entity save].
+        /// </summary>
+        /// <param name="mode">The mode.</param>
+        /// <param name="entity">The entity.</param>
+        protected virtual void OnBeforeEntitySave(DialogOpenMode mode,T entity)
+        {
+
+        }
+
+        /// <summary>
+        /// Called when dialog closes with cancel button.
+        /// </summary>
+        /// <param name="mode">The mode.</param>
+        protected virtual void OnDialogCancelPressed(DialogOpenMode mode, T entity)
+        {
+            IsDialogOpen = false;
+        }
+
+        /// <summary>
+        /// Gets the editable entity.
+        /// </summary>
+        /// <param name="mode">The mode.</param>
+        /// <returns></returns>
+        private T GetEditableEntity(DialogOpenMode mode)
+        {
+            if (mode == DialogOpenMode.Adding)
+            {
+                var newEntity = Activator.CreateInstance<T>();
+                InitializeEntity(newEntity);
+                return newEntity;
+            }
+            else
+            {
+                return SelectedEntity.ShallowClone();
+            }
+        }
+
+        protected virtual void OnFilterChanged(String filter)
+        {
+
+        }
+
+        protected virtual void InitializeEntity(T entity)
+        {
+
+        }
+    }
+}