Port only MVVM work and related fixes

2025-12-16 19:24:41 +00:00 · 2021-08-05 21:05:20 -07:00
parent 9aa5c1ac9f
commit ace0e5c5ec
33 changed files with 1024 additions and 796 deletions
--- a/RedBookPlayer.GUI/ViewModels/MainViewModel.cs
+++ b/RedBookPlayer.GUI/ViewModels/MainViewModel.cs
@@ -0,0 +1,159 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using Avalonia.Controls;
+using Avalonia.Input;
+using RedBookPlayer.GUI.Views;
+
+namespace RedBookPlayer.GUI.ViewModels
+{
+    public class MainViewModel
+    {
+        /// <summary>
+        /// Read-only access to the control
+        /// </summary>
+        public ContentControl ContentControl => App.MainWindow.FindControl<ContentControl>("Content");
+
+        /// <summary>
+        /// Read-only access to the view
+        /// </summary>
+        public PlayerView PlayerView => ContentControl?.Content as PlayerView;
+
+        #region Helpers
+
+        /// <summary>
+        /// Execute the result of a keypress
+        /// </summary>
+        public async void ExecuteKeyPress(object sender, KeyEventArgs e)
+        {
+            // Open settings window
+            if(e.Key == App.Settings.OpenSettingsKey)
+            {
+                SettingsWindow settingsWindow = new SettingsWindow() { DataContext = App.Settings };
+                settingsWindow.Closed += OnSettingsClosed;
+                settingsWindow.ShowDialog(App.MainWindow);
+            }
+
+            // Load image
+            else if(e.Key == App.Settings.LoadImageKey)
+            {
+                PlayerView?.ViewModel?.ExecuteLoad();
+            }
+
+            // Toggle playback
+            else if(e.Key == App.Settings.TogglePlaybackKey || e.Key == Key.MediaPlayPause)
+            {
+                PlayerView?.ViewModel?.ExecuteTogglePlayPause();
+            }
+
+            // Stop playback
+            else if(e.Key == App.Settings.StopPlaybackKey || e.Key == Key.MediaStop)
+            {
+                PlayerView?.ViewModel?.ExecuteStop();
+            }
+
+            // Next Track
+            else if(e.Key == App.Settings.NextTrackKey || e.Key == Key.MediaNextTrack)
+            {
+                PlayerView?.ViewModel?.ExecuteNextTrack();
+            }
+
+            // Previous Track
+            else if(e.Key == App.Settings.PreviousTrackKey || e.Key == Key.MediaPreviousTrack)
+            {
+                PlayerView?.ViewModel?.ExecutePreviousTrack();
+            }
+
+            // Next Index
+            else if(e.Key == App.Settings.NextIndexKey)
+            {
+                PlayerView?.ViewModel?.ExecuteNextIndex();
+            }
+
+            // Previous Index
+            else if(e.Key == App.Settings.PreviousIndexKey)
+            {
+                PlayerView?.ViewModel?.ExecutePreviousIndex();
+            }
+
+            // Fast Foward
+            else if(e.Key == App.Settings.FastForwardPlaybackKey)
+            {
+                PlayerView?.ViewModel?.ExecuteFastForward();
+            }
+
+            // Rewind
+            else if(e.Key == App.Settings.RewindPlaybackKey)
+            {
+                PlayerView?.ViewModel?.ExecuteRewind();
+            }
+
+            // Volume Up
+            else if(e.Key == App.Settings.VolumeUpKey || e.Key == Key.VolumeUp)
+            {
+                int increment = 1;
+                if(e.KeyModifiers.HasFlag(KeyModifiers.Control))
+                    increment *= 2;
+                if(e.KeyModifiers.HasFlag(KeyModifiers.Shift))
+                    increment *= 5;
+
+                if(PlayerView?.ViewModel?.Volume != null)
+                    PlayerView.ViewModel.ExecuteSetVolume(PlayerView.ViewModel.Volume + increment);
+            }
+
+            // Volume Down
+            else if(e.Key == App.Settings.VolumeDownKey || e.Key == Key.VolumeDown)
+            {
+                int decrement = 1;
+                if(e.KeyModifiers.HasFlag(KeyModifiers.Control))
+                    decrement *= 2;
+                if(e.KeyModifiers.HasFlag(KeyModifiers.Shift))
+                    decrement *= 5;
+
+                if(PlayerView?.ViewModel?.Volume != null)
+                    PlayerView.ViewModel.ExecuteSetVolume(PlayerView.ViewModel.Volume - decrement);
+            }
+
+            // Mute Toggle
+            else if(e.Key == App.Settings.ToggleMuteKey || e.Key == Key.VolumeMute)
+            {
+                PlayerView?.ViewModel?.ExecuteToggleMute();
+            }
+
+            // Emphasis Toggle
+            else if(e.Key == App.Settings.ToggleDeEmphasisKey)
+            {
+                PlayerView?.ViewModel?.ExecuteToggleDeEmphasis();
+            }
+        }
+
+        /// <summary>
+        /// Load the first valid drag-and-dropped disc image
+        /// </summary>
+        public async void ExecuteLoadDragDrop(object sender, DragEventArgs e)
+        {
+            if(PlayerView?.ViewModel == null)
+                return;
+
+            IEnumerable<string> fileNames = e.Data.GetFileNames();
+            foreach(string filename in fileNames)
+            {
+                bool loaded = await PlayerView.ViewModel.LoadImage(filename);
+                if(loaded)
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// Stop current playback
+        /// </summary>
+        public void ExecuteStop(object sender, CancelEventArgs e) => PlayerView?.ViewModel?.ExecuteStop();
+
+        /// <summary>
+        /// Handle the settings window closing
+        /// </summary>
+        private void OnSettingsClosed(object sender, EventArgs e) => PlayerView?.ViewModel?.RefreshFromSettings();
+
+        #endregion
+    }
+}