UI appearence changes

Data/Invoice.cs

@@ -14,16 +14,13 @@ namespace Essensausgleich.Data
     /// </summary>
     public class Invoices : System.Collections.Generic.List<Invoice>
     {
-
     }
     /// <summary>
     /// Object to handle one Invoice including 2 Inhabitants
     /// </summary>
-    public class Invoice
+    public partial class Invoice : INotifyPropertyChanged
     {
-
-
- /// <summary>
+        /// <summary>
         /// Path of the Folder where all Invoice Objects get read from
         /// </summary>
         public static string? FolderPath { get; set; }
@@ -38,15 +35,11 @@ public ObservableCollection<string> InhabitantsNameList
         {
             get
             {
-
-                System.Diagnostics.Debug.WriteLine($"InhabitantsNameList Get");
                 return this._InhabitantsNameList;
             }
             set
             {
-
                 this._InhabitantsNameList = value;
-                System.Diagnostics.Debug.WriteLine($"InhabitantsNameList got Set");
             }
         }
         private Inhabitants _Inhabitants = null!;
@@ -78,15 +71,51 @@ public Inhabitants Inhabitants
         public string InvoiceComment
         {
             get => this._InvoiceComment;
-            set => this._InvoiceComment = value;
+            set
+            {
+                this._InvoiceComment = value;
+                OnPropertyChanged(nameof(InvoiceComment));
+            }
         }
-
-
+        private string? _FileName;
         /// <summary>
         /// FileName gets set on load from File
         /// </summary>
-        public string? FileName { get; set; }
-
+        public string? FileName
+        {
+        get => this._FileName;
+            set
+            {
+                this._FileName = value;
+                OnPropertyChanged(nameof(FileName));
+            }
+        }
+        private DateTime? _DateTimeCreation;
+        /// <summary>
+        /// Gets or Set the First Time this Invoice was Saved to File
+        /// </summary>
+        public DateTime? DateTimeCreation
+        {
+            get => this._DateTimeCreation;
+            set
+            {
+                this._DateTimeCreation = value;
+                OnPropertyChanged(nameof(DateTimeCreation));
+            }
+        }
+        private DateTime? _DateTimeChanged;
+        /// <summary>
+        /// Gets or Set the Last Time this Invoice was Saved to File
+        /// </summary>
+        public DateTime? DateTimeChanged
+        {
+            get => this._DateTimeChanged;
+            set
+            {
+                this._DateTimeChanged = value;
+                OnPropertyChanged(nameof(DateTimeChanged));
+            }
+        }
         /// <summary>
         /// Adds a Inhabitant to the End of the Inhabitants List
         /// </summary>
@@ -95,7 +124,16 @@ public void AddInhabitantToList(Inhabitant inhabitantToAdd)
         {
             this.Inhabitants.Add(inhabitantToAdd);
         }
-
+        #region WPF über Änderungen Informieren
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
+            System.Diagnostics.Debug.WriteLine($"OnPropertyChanged Called in InvoiceManager:{propertyName}");
+        }
+        #endregion WPF über Änderungen Informieren
     }
 
 

InvoiceManager.cs

@@ -3,6 +3,8 @@
 using Essensausgleich.Infra;
 using System;
 using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -13,7 +15,7 @@ namespace Essensausgleich
     /// <summary>
     /// Manages Invoices
     /// </summary>
-    public class InvoiceManager :AppObjekt
+    public class InvoiceManager :AppObjekt ,INotifyPropertyChanged
     {
         #region Invoice and List
         /// <summary>
@@ -31,11 +33,14 @@ public Invoices Invoices
                 {
                     this._Invoices = new Invoices();
                 }
-                return this._Invoices;
+                                return this._Invoices;
             }
             set
             {
-                this._Invoices = value;
+this._Invoices = value;
+               this.OnPropertyChanged(nameof(this.Invoices));
+
+
             }
         }
         /// <summary>
@@ -88,6 +93,7 @@ public void Save(Invoice invoiceToSave)
             try
             {
                this.InvoiceController.Save(invoiceToSave.FileName!, invoiceToSave);
+
 
                 System.Diagnostics.Debug.WriteLine($"This Invoice got saved to:{invoiceToSave.FileName}") ;
             }
@@ -122,37 +128,15 @@ public Invoice Load(string pathWithFileName)
                 return Invoice;
             }
         }
-        /*
-        /// <summary>
-        /// Intern cache for filename
-        /// </summary>
-        private string _JsonFileName = $"abrechnung.json";
-        //$"abrechnung_{General.GetCurrentDate()}.json";
-        /// <summary>
-        /// Gets the XMLFilename in String
-        /// </summary>
-        public string JsonFileName
-        {
-            get
-            {
-                return _JsonFileName;
-            }
-            set
-            {
-                if (!string.IsNullOrEmpty(value))
-                {
-                    _JsonFileName = value;
-                    Log.WriteLine("FileName changed");
-                    Log.WriteLine($"NewFileName: {value}");
+        #region WPF über Änderungen Informieren
+        public event PropertyChangedEventHandler PropertyChanged;
 
-                }
-                else
-                {
-                    Log.WriteLine("FileName Missing or Null");
-                }
-            }
+        protected virtual void OnPropertyChanged(string propertyName)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
 
+            System.Diagnostics.Debug.WriteLine($"OnPropertyChanged Called in InvoiceManager:{propertyName}");
         }
-        */
+        #endregion WPF über Änderungen Informieren
     }
 }

Tools/General.cs

@@ -1,8 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Data;
 
 namespace Essensausgleich.Tools
 {
@@ -26,4 +29,20 @@ public static string GetCurrentDate()
         }
 
     }
+    public class FilePathToFileNameConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is string filePath)
+            {
+                return Path.GetFileName(filePath);
+            }
+            return value; // Return original value if it's not a string
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
 }