Hermes/CitoyenWindow.xaml.cs

using Hermes.Model;
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;

namespace Hermes {
    public partial class CitoyenWindow : Window {
        private Citoyen editRef = null;
        private List<object> _isInvalidElements = new List<object>();

        public CitoyenWindow(Window parent, Citoyen context = null) {
            InitializeComponent();

            DataContext = new Citoyen();
            Owner = parent;

            if(context != null) {
                editRef = context;
                editRef.Copyto((Citoyen) DataContext);
            } else {
                ((Citoyen) DataContext).Civilite = "Monsieur";
            }

            List<string> civilites = new List<string>();
            civilites.Add("Monsieur");
            civilites.Add("Madame");
            civiliteComboBox.ItemsSource = civilites;
        }

        private void ValidationError(object sender, ValidationErrorEventArgs e) {
            if(!_isInvalidElements.Contains(sender)) {
                _isInvalidElements.Add(sender);
            }
        }

        private void BindingTargetUpdated(object sender, DataTransferEventArgs e) {
            if(_isInvalidElements.Contains(sender)) {
                _isInvalidElements.Remove(sender);
            }
        }

        private void BindingSourceUpdated(object sender, DataTransferEventArgs e) {
            if(_isInvalidElements.Contains(sender)) {
                _isInvalidElements.Remove(sender);
            }
        }

        public void Save_Click(object sender, RoutedEventArgs e) {
            nomTextBox.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            ageTextBox.GetBindingExpression(TextBox.TextProperty).UpdateSource();
            if(_isInvalidElements.Count == 0) {
                ModelContext dbContext = ModelContext.Getinstance();
                if(editRef == null) {
                    ((Citoyen) DataContext).DateCreation = DateTime.Now;
                    ((Citoyen) DataContext).DateModification = DateTime.Now;
                    dbContext.CitoyenSet.Add((Citoyen) DataContext);
                } else {
                    Citoyen context = (Citoyen) DataContext;
                    context.Copyto(editRef);
                    editRef.DateModification = DateTime.Now;
                }
                dbContext.SaveChanges();
                Close();
            }
        }

        public void Cancel_Click(object sender, RoutedEventArgs e) {
            Close();
        }
    }
}