Added Edit Transaction

ViewModel/Dialogs/EditTransactionDialogViewModel.cs

@@ -0,0 +1,243 @@
+using System;
+using System.Globalization;
+using DebtMgr.Model;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+using SQLiteNetExtensions.Extensions;
+
+namespace DebtMgr.ViewModel.Dialogs
+{
+    public class EditTransactionDialogViewModel : ViewModelBase
+    {
+        #region Public Properties
+
+        public event EventHandler RequestClose;
+
+        public Guid TransactionId { get; set; }
+
+        #endregion
+        #region Fields
+
+        private Transaction _transaction;
+
+        #endregion
+
+        #region WindowTitle (string) Property
+
+        /// <summary>
+        /// Privater Teil von <see cref="WindowTitle" />
+        /// </summary>
+        private string _windowTitle;
+
+        /// <summary>
+        /// Comment
+        ///</summary>
+        public string WindowTitle
+        {
+            get { return _windowTitle; }
+
+            set
+            {
+                _windowTitle = value;
+                RaisePropertyChanged(() => WindowTitle);
+            }
+        }
+
+        #endregion
+        #region AmountTextBoxText (string) Property
+
+        /// <summary>
+        /// Privater Teil von <see cref="AmountTextBoxText" />
+        /// </summary>
+        private string _amountTextBoxText;
+
+        /// <summary>
+        /// Comment
+        ///</summary>
+        public string AmountTextBoxText
+        {
+            get { return _amountTextBoxText; }
+
+            set
+            {
+                _amountTextBoxText = value;
+                RaisePropertyChanged(() => AmountTextBoxText);
+                SaveTransactionButtonClickCommand.RaiseCanExecuteChanged();
+            }
+        }
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// <summary>   Gets the amount text box text as number representation. </summary>
+        ///
+        /// <value> The amount text box text number representation. </value>
+        ////////////////////////////////////////////////////////////////////////////////////////////////////
+        public double AmountTextBoxTextNumberRepresentation
+        {
+            get
+            {
+                if (string.IsNullOrWhiteSpace(_amountTextBoxText)) return 0.0;
+                return double.Parse(_amountTextBoxText, CultureInfo.InvariantCulture);
+            }
+        }
+
+        #endregion
+        #region PersonNameLabelContent (string) Property
+
+        /// <summary>
+        /// Privater Teil von <see cref="PersonNameLabelContent" />
+        /// </summary>
+        private string _personNameLabelContent;
+
+        /// <summary>
+        /// Comment
+        ///</summary>
+        public string PersonNameLabelContent
+        {
+            get { return _personNameLabelContent; }
+
+            set
+            {
+                _personNameLabelContent = value;
+                RaisePropertyChanged(() => PersonNameLabelContent);
+            }
+        }
+
+        #endregion
+        #region DescriptionTextBoxText (string) Property
+
+        /// <summary>
+        /// Privater Teil von <see cref="DescriptionTextBoxText" />
+        /// </summary>
+        private string _descriptionTextBoxText;
+
+        /// <summary>
+        /// Comment
+        ///</summary>
+        public string DescriptionTextBoxText
+        {
+            get { return _descriptionTextBoxText; }
+
+            set
+            {
+                _descriptionTextBoxText = value;
+                RaisePropertyChanged(() => DescriptionTextBoxText);
+                SaveTransactionButtonClickCommand.RaiseCanExecuteChanged();
+            }
+        }
+
+        #endregion
+        #region DatePickerSelectedDate (DateTime?) Property
+
+        /// <summary>
+        /// Privater Teil von <see cref="DatePickerSelectedDate" />
+        /// </summary>
+        private DateTime? _datePickerSelectedDate;
+
+        /// <summary>
+        /// Comment
+        ///</summary>
+        public DateTime? DatePickerSelectedDate
+        {
+            get { return _datePickerSelectedDate; }
+
+            set
+            {
+                _datePickerSelectedDate = value;
+                RaisePropertyChanged(() => DatePickerSelectedDate);
+                SaveTransactionButtonClickCommand.RaiseCanExecuteChanged();
+            }
+        }
+
+        #endregion
+
+        #region SaveTransactionButtonClickCommand Command
+
+        /// <summary>
+        /// Private member backing variable for <see cref="SaveTransactionButtonClickCommand" />
+        /// </summary>
+        private RelayCommand _saveTransactionButtonClickCommand = null;
+
+        /// <summary>
+        /// Comment
+        /// </summary>
+        public RelayCommand SaveTransactionButtonClickCommand => _saveTransactionButtonClickCommand ?? (_saveTransactionButtonClickCommand = new RelayCommand(SaveTransactionButtonClickCommand_Execute, SaveTransactionButtonClickCommand_CanExecute));
+
+        private bool SaveTransactionButtonClickCommand_CanExecute()
+        {
+            if (_transaction == null) return false;
+            if (AmountTextBoxTextNumberRepresentation < 0.01) return false;
+            if (string.IsNullOrWhiteSpace(DescriptionTextBoxText)) return false;
+            if (DatePickerSelectedDate == null) return false;
+
+            return true;
+        }
+
+        private void SaveTransactionButtonClickCommand_Execute()
+        {
+            if (SaveTransactionButtonClickCommand_CanExecute())
+            {
+                var transaction = App.Database.Get<Transaction>(TransactionId);
+
+                if (DatePickerSelectedDate != null)
+                {
+                    transaction.Amount = AmountTextBoxTextNumberRepresentation;
+                    transaction.Description = DescriptionTextBoxText;
+                    transaction.Time = DatePickerSelectedDate.Value;
+                }
+
+                App.Database.InsertOrReplace(transaction);
+                RequestClose?.Invoke(null, null);
+                App.Locator.MainView.UpdatePersonsList();
+            }
+        }
+
+        #endregion
+
+        #region LoadTransaction()
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// <summary>   Loads the transaction. </summary>
+        ///
+        /// <remarks>   Andre Beging, 12.09.2017. </remarks>
+        ////////////////////////////////////////////////////////////////////////////////////////////////////
+        public void LoadTransaction()
+        {
+            if (TransactionId == Guid.Empty) return;
+            _transaction = App.Database.Get<Transaction>(TransactionId);
+
+            if (_transaction == null) return;
+            App.Database.GetChildren(_transaction);
+
+            PersonNameLabelContent = string.Format("{0} {1}", _transaction.Person.FirstName,
+                _transaction.Person.LastName);
+            AmountTextBoxText = _transaction.Amount.ToString(CultureInfo.InvariantCulture);
+            DescriptionTextBoxText = _transaction.Description;
+            DatePickerSelectedDate = _transaction.Time;
+
+            if (_transaction.Type == TransactionType.Charge)
+                WindowTitle = "Edit Charge";
+            else if (_transaction.Type == TransactionType.Deposit)
+                WindowTitle = "Edit Deposit";
+        }
+
+        #endregion
+        #region ClearView()
+
+        ////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// <summary>   Clears the view. </summary>
+        ///
+        /// <remarks>   Andre Beging, 12.09.2017. </remarks>
+        ////////////////////////////////////////////////////////////////////////////////////////////////////
+        public void ClearView()
+        {
+            PersonNameLabelContent = string.Empty;
+            AmountTextBoxText = string.Empty;
+            DescriptionTextBoxText = string.Empty;
+            DatePickerSelectedDate = null;
+
+            TransactionId = Guid.Empty;
+        }
+
+        #endregion
+    }
+}

ViewModel/MainViewModel.cs

@@ -174,6 +174,7 @@ namespace DebtMgr.ViewModel
                 _transactionHistoryListViewSelectedItem = value;
                 RaisePropertyChanged(() => TransactionHistoryListViewSelectedItem);
                 DeleteTransactionContextMenuCommand.RaiseCanExecuteChanged();
+                EditTransactionContextMenuCommand.RaiseCanExecuteChanged();
             }
         }
 
@@ -389,6 +390,34 @@ namespace DebtMgr.ViewModel
             }
         }
 
+        #endregion
+        #region EditTransactionContextMenuCommand Command
+
+        /// <summary>
+        /// Private member backing variable for <see cref="EditTransactionContextMenuCommand" />
+        /// </summary>
+        private RelayCommand _editTransactionContextMenuCommand = null;
+
+        /// <summary>
+        /// Comment
+        /// </summary>
+        public RelayCommand EditTransactionContextMenuCommand => _editTransactionContextMenuCommand ?? (_editTransactionContextMenuCommand = new RelayCommand(EditTransactionContextMenuCommand_Execute, EditTransactionContextMenuCommand_CanExecute));
+
+        private bool EditTransactionContextMenuCommand_CanExecute()
+        {
+            if (TransactionHistoryListViewSelectedItem != null)
+                return true;
+            return false;
+        }
+
+        private void EditTransactionContextMenuCommand_Execute()
+        {
+            if (TransactionHistoryListViewSelectedItem == null) return;
+
+            var window = new EditTransactionDialogView(TransactionHistoryListViewSelectedItem.Id);
+            window.ShowDialog();
+        }
+
         #endregion
 
         #region SwitchDatabaseMenuCommand Command
@@ -416,7 +445,6 @@ namespace DebtMgr.ViewModel
         }
 
         #endregion
-
         #region OpenDatabaseLocationMenuCommand Command
 
         /// <summary>

ViewModel/ViewModelLocator.cs

@@ -46,12 +46,14 @@ namespace DebtMgr.ViewModel
             SimpleIoc.Default.Register<NewPersonDialogViewModel>();
             SimpleIoc.Default.Register<AddTransactionViewModel>();
             SimpleIoc.Default.Register<DatabaseSelectorDialogViewModel>();
+            SimpleIoc.Default.Register<EditTransactionDialogViewModel>();
         }
 
         public MainViewModel MainView => ServiceLocator.Current.GetInstance<MainViewModel>();
         public NewPersonDialogViewModel NewPersonDialogView => ServiceLocator.Current.GetInstance<NewPersonDialogViewModel>();
         public AddTransactionViewModel AddTransactionView => ServiceLocator.Current.GetInstance<AddTransactionViewModel>();
         public DatabaseSelectorDialogViewModel DatabaseSelectorDialogView => ServiceLocator.Current.GetInstance<DatabaseSelectorDialogViewModel>();
+        public EditTransactionDialogViewModel EditTransactionDialogView => ServiceLocator.Current.GetInstance<EditTransactionDialogViewModel>();
 
         public static void Cleanup()
         {