add settings screen

get playlist from settings, in first run - open Settings

TV Player WPF/ViewModels/TVPlayerViewModel.cs

@@ -5,6 +5,7 @@ namespace TV_Player.ViewModels
     public class TVPlayerViewModel : IDisposable
     {
         private readonly MainViewModel _mainViewModel;
+        public ProgramsData PlaylistData { get; private set; }
 
         public Action ButtonBackAction { get; set; }
 
@@ -21,6 +22,8 @@ namespace TV_Player.ViewModels
 
         public TVPlayerViewModel()
         {
+            PlaylistData = new ProgramsData();
+
             _mainViewModel = new MainViewModel();
             var mainWindow = new MainWindow();
             mainWindow.DataContext = _mainViewModel;
@@ -28,19 +31,81 @@ namespace TV_Player.ViewModels
             mainWindow.Show();
             _instance = this;
 
-            ShowInitialScreen();
+            SettingsModel.LoadSettings();
+            InitializeTVWithData();
         }
 
-        private void ShowInitialScreen()
+        public void InitializeTVWithData()
+        {
+            if (!string.IsNullOrEmpty(SettingsModel.PlaylistURL))
+            {
+                if (SettingsModel.StartFullScreen)
+                    FullScreenToggle();
+                PlaylistData.GetData(SettingsModel.PlaylistURL);
+                if (SettingsModel.StartFromLastScreen)
+                    SelectScreen();
+                else
+                    ShowProgramsGroupScreen();
+            }
+            else
+            {
+                ShowSettingsScreen();
+            }
+        }
+
+        public void SelectScreen()
+        {
+            switch (SettingsModel.LastScreen)
+            {
+                case "ProgramsListViewModel":
+                    ShowProgramsListScreen(SettingsModel.Group);
+                    break;
+                case "PlayerViewModel":
+                    ShowPlayerScreen(SettingsModel.Program);
+                    break;
+                default:
+                    ShowProgramsGroupScreen();
+                    break;
+            }
+        }
+
+        public void ShowProgramsGroupScreen()
         {
             var vm = new ProgramsGroupViewModel();
 
             var control = new ProgramsGroupGrid();
             control.DataContext = vm;
 
+            SettingsModel.LastScreen = nameof(ProgramsGroupViewModel);
             SetPageContext(control, vm);
         }
 
+        public void ShowProgramsListScreen(GroupInfo group)
+        {
+            SettingsModel.Group = group;
+            var programListViewModel = new ProgramsListViewModel(group);
+            var conrtrol = new ProgramsList();
+            SettingsModel.LastScreen = nameof(ProgramsListViewModel);
+            SetPageContext(conrtrol, programListViewModel);
+        }
+
+        public void ShowPlayerScreen(M3UInfo program)
+        {
+            SettingsModel.Program = program;
+            var playerViewModel = new PlayerViewModel(program);
+            var conrtrol = new VideoPlayer();
+            conrtrol.SourceUrl = program.Url;
+            SettingsModel.LastScreen = nameof(PlayerViewModel);
+            SetPageContext(conrtrol, playerViewModel);
+        }
+
+        public void ShowSettingsScreen()
+        {
+            var playerViewModel = new SettingsViewModel();
+            var conrtrol = new Settings();
+            SetPageContext(conrtrol, playerViewModel);
+        }
+
         public void TopPanelVisible(bool value, string title)
         {
             _mainViewModel.IsTopPanelVisible = value;
@@ -57,13 +122,15 @@ namespace TV_Player.ViewModels
             _mainViewModel.ButtonBackAction = action;
         }
 
-        public void SetPageContext(ContentControl control, object viewModel)
+        private void SetPageContext(ContentControl control, object viewModel)
         {
             if (_mainViewModel.Control is IDisposable disposable)
                 disposable.Dispose();
             control.DataContext = viewModel;
 
             _mainViewModel.Control = control;
+
+            SettingsModel.SaveSetttings();
         }
 
         public void Dispose()