Hermes/MainWindow.xaml.cs

using Hermes.Model;
using System;
using System.Data.Entity;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Input;

namespace Hermes {
    /// <summary>
    /// Logique d'interaction pour MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window {
        private ModelContext dbContext = null;
        private CitoyenModal citoyenModal = new CitoyenModal();
        private PreferencesModal preferencesModal = new PreferencesModal();

        public MainWindow() {
            dbContext = ModelContext.Getinstance();
            //dbContext.Database.Log = log => System.Console.WriteLine(log);
            dbContext.Database.CreateIfNotExists();

            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e) {
            citoyenModal.Owner = this;
            preferencesModal.Owner = this;
            dbContext.CitoyenSet.Load();
            dbContext.Preferences.Load();
            dgCitoyens.ItemsSource = dbContext.CitoyenSet.Local;
        }

        private void Options_Click(object sender, RoutedEventArgs e) {
            preferencesModal.ShowDialog();
        }

        private void Ajouter_Click(object sender, RoutedEventArgs e) {
            citoyenModal.EnableCreateMode();
            citoyenModal.ShowDialog();
        }

        private void Supprimer_Click(object sender, RoutedEventArgs e) {
            if(dgCitoyens.SelectedItems.Count > 0) {
                MessageBoxResult result = MessageBox.Show("Voulez-vous supprimer ces citoyens ?", "Suppression", MessageBoxButton.YesNo, MessageBoxImage.Question);
                if(result == MessageBoxResult.Yes) {
                    List<Citoyen> clist = new List<Citoyen>();
                    foreach(Citoyen c in dgCitoyens.SelectedItems) {
                        clist.Add(c);
                    }
                    foreach(Citoyen c in clist) {
                        dbContext.CitoyenSet.Remove(c);
                    }
                    dbContext.SaveChanges();
                }
            } else {
                MessageBox.Show("Aucun citoyen sélectionné", "Suppression", MessageBoxButton.OK, MessageBoxImage.Exclamation);
            }
        }

        private void DgCitoyen_DoubleClick(object sender, MouseButtonEventArgs e) {
            if(dgCitoyens.SelectedItem != null) {
                citoyenModal.EnableEditMode((Citoyen) dgCitoyens.SelectedItem);
                citoyenModal.ShowDialog();
            }
        }

        protected override void OnClosed(EventArgs e) {
            dbContext.Dispose();
            base.OnClosed(e);
            Application.Current.Shutdown();
        }
    }
}