Upgrade project style

SourceGit/UI/Launcher.xaml.cs

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+using System;
+using System.Collections.ObjectModel;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+
+namespace SourceGit.UI {
+
+    /// <summary>
+    ///     Main window for this app.
+    /// </summary>
+    public partial class Launcher : Window {
+
+        /// <summary>
+        ///     Alert data.
+        /// </summary>
+        public class Alert {
+            public string Title { get; set; }
+            public string Message { get; set; }
+        }
+
+        /// <summary>
+        ///     Alerts.
+        /// </summary>
+        public ObservableCollection<Alert> Alerts { get; set; } = new ObservableCollection<Alert>();
+
+        /// <summary>
+        ///     Constructor
+        /// </summary>
+        public Launcher() {
+            Git.Repository.OnOpen = ShowDashboard;
+            Git.Repository.OnClose = ShowManager;
+
+            App.OnError = msg => ShowAlert(new Alert() { Title = "ERROR", Message = msg });
+
+            InitializeComponent();
+            ShowManager();
+        }
+
+        #region LAYOUT_CONTENT
+        /// <summary>
+        ///     Show manager.
+        /// </summary>
+        private void ShowManager() {
+            Dispatcher.Invoke(() => {
+                body.Content = new Manager();
+            });
+        }
+
+        /// <summary>
+        ///     Show dashboard.
+        /// </summary>
+        /// <param name="repo"></param>
+        private void ShowDashboard(Git.Repository repo) {
+            Dispatcher.Invoke(() => {
+                if (body.Content is Dashboard) return;
+                body.Content = new Dashboard(repo);
+            });
+        }
+
+        /// <summary>
+        ///     Open preference dialog.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ShowPreference(object sender, RoutedEventArgs e) {
+            Preference.Show();
+        }
+
+        /// <summary>
+        ///     Open about dialog.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ShowAbout(object sender, RoutedEventArgs e) {
+            var about = new About();
+            about.Owner = this;
+            about.ShowDialog();
+        }
+
+        /// <summary>
+        ///     Show alert.
+        /// </summary>
+        /// <param name="alert"></param>
+        private void ShowAlert(Alert alert) {
+            Dispatcher.Invoke(() => Alerts.Add(alert));
+        }
+
+        /// <summary>
+        ///     Remove an alert.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void RemoveAlert(object sender, RoutedEventArgs e) {
+            var alert = (sender as Button).DataContext as Alert;
+            Alerts.Remove(alert);
+        }
+        #endregion
+
+        #region WINDOW_COMMANDS
+        /// <summary>
+        ///     Minimize
+        /// </summary>
+        private void Minimize(object sender, RoutedEventArgs e) {
+            SystemCommands.MinimizeWindow(this);
+        }
+
+        /// <summary>
+        ///     Maximize/Restore
+        /// </summary>
+        private void MaximizeOrRestore(object sender, RoutedEventArgs e) {
+            if (WindowState == WindowState.Normal) {
+                SystemCommands.MaximizeWindow(this);
+            } else {
+                SystemCommands.RestoreWindow(this);
+            }
+        }
+
+        /// <summary>
+        ///     Quit
+        /// </summary>
+        private void Quit(object sender, RoutedEventArgs e) {
+            App.Current.Shutdown();
+        }
+
+        /// <summary>
+        ///     Show system menu when user click logo.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void LogoMouseButtonDown(object sender, MouseButtonEventArgs e) {
+            var element = e.OriginalSource as FrameworkElement;
+            if (element == null) return;
+
+            var pos = PointToScreen(new Point(0, 33));
+            SystemCommands.ShowSystemMenu(this, pos);
+        }
+        #endregion
+    }
+}