Polish AmiReel UI and improve render workflow
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Globalization;
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using AmigaDB.VideoRenderer.Models;
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using AmigaDB.VideoRenderer.Services;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.Win32;
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using Windows.Storage.Pickers;
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using WinRT.Interop;
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namespace AmiReel_WinUI;
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public sealed partial class MainPage : Page
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{
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private readonly ObservableCollection<string> _inputs = [];
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private readonly AppSettings _loadedSettings;
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private CancellationTokenSource? _renderCancellation;
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public MainPage()
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{
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InitializeComponent();
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InputList.ItemsSource = _inputs;
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_loadedSettings = AppSettingsStore.Load();
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OutputFolderBox.Text = _loadedSettings.OutputFolder;
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EndCardBox.Text = _loadedSettings.EndCardPath;
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FfmpegPathBox.Text = _loadedSettings.FfmpegPath;
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FfprobePathBox.Text = _loadedSettings.FfprobePath;
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OutputNameBox.Text = "amigadb_intro";
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TrimBox.Text = _loadedSettings.TrimStart;
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FadeBox.Text = _loadedSettings.FadeSeconds;
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HoldBox.Text = _loadedSettings.EndCardHoldSeconds;
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IntervalBox.Text = _loadedSettings.ThumbnailInterval;
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SelectEncoder(_loadedSettings.Encoder);
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SelectTheme(_loadedSettings.Theme);
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ApplyTheme(_loadedSettings.Theme);
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}
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private async void AddInputs_Click(object sender, RoutedEventArgs e)
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{
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FileOpenPicker picker = CreateFileOpenPicker();
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picker.FileTypeFilter.Add(".avi");
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picker.SuggestedStartLocation = PickerLocationId.VideosLibrary;
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var files = await picker.PickMultipleFilesAsync();
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if (files is null) return;
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foreach (string path in files.Select(file => file.Path).OrderBy(NaturalKey))
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if (!_inputs.Contains(path, StringComparer.OrdinalIgnoreCase)) _inputs.Add(path);
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}
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private void ClearInputs_Click(object sender, RoutedEventArgs e) => _inputs.Clear();
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private async void BrowseEndCard_Click(object sender, RoutedEventArgs e)
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{
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FileOpenPicker picker = CreateFileOpenPicker();
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picker.FileTypeFilter.Add(".png");
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picker.FileTypeFilter.Add(".jpg");
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picker.FileTypeFilter.Add(".jpeg");
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picker.FileTypeFilter.Add(".webp");
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picker.FileTypeFilter.Add(".bmp");
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var file = await picker.PickSingleFileAsync();
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if (file is not null)
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EndCardBox.Text = file.Path;
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}
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private async void BrowseOutput_Click(object sender, RoutedEventArgs e)
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{
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FolderPicker picker = CreateFolderPicker();
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var folder = await picker.PickSingleFolderAsync();
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if (folder is not null)
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OutputFolderBox.Text = folder.Path;
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}
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private async void BrowseFfmpeg_Click(object sender, RoutedEventArgs e)
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{
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FileOpenPicker picker = CreateFileOpenPicker();
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picker.FileTypeFilter.Add(".exe");
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var file = await picker.PickSingleFileAsync();
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if (file is not null)
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FfmpegPathBox.Text = file.Path;
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}
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private async void BrowseFfprobe_Click(object sender, RoutedEventArgs e)
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{
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FileOpenPicker picker = CreateFileOpenPicker();
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picker.FileTypeFilter.Add(".exe");
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var file = await picker.PickSingleFileAsync();
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if (file is not null)
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FfprobePathBox.Text = file.Path;
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}
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private async void OpenSettings_Click(object sender, RoutedEventArgs e)
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{
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SettingsDialog.XamlRoot = XamlRoot;
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await SettingsDialog.ShowAsync();
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SaveSettings();
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}
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private async void Render_Click(object sender, RoutedEventArgs e)
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{
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try
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{
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RenderSettings settings = ReadSettings();
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SaveSettings();
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SetRendering(true);
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LogBox.Text = string.Empty;
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_renderCancellation = new CancellationTokenSource();
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Progress<RenderProgress> progress = new(UpdateProgress);
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await new RenderPipeline().RenderAsync(settings, progress, AppendLog, _renderCancellation.Token);
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OpenOutputButton.IsEnabled = true;
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await ShowMessageAsync("Render complete", "The AmiReel render completed successfully.");
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}
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catch (OperationCanceledException)
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{
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UpdateProgress(new(RenderProgressBar.Value, "Cancelled", "The render was cancelled."));
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}
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catch (Exception exception)
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{
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AppendLog("ERROR: " + exception);
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StageText.Text = "Failed";
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await ShowMessageAsync("Render failed", exception.Message);
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}
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finally
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{
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_renderCancellation?.Dispose();
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_renderCancellation = null;
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SetRendering(false);
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}
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}
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private void Cancel_Click(object sender, RoutedEventArgs e)
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{
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CancelButton.IsEnabled = false;
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StatusText.Text = "Stopping FFmpeg...";
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_renderCancellation?.Cancel();
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}
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private void OpenOutput_Click(object sender, RoutedEventArgs e)
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{
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if (Directory.Exists(OutputFolderBox.Text))
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Process.Start(new ProcessStartInfo("explorer.exe", OutputFolderBox.Text) { UseShellExecute = true });
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}
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private void ThemeBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if (!IsLoaded) return;
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string theme = SelectedTheme();
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ApplyTheme(theme);
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SaveSettings();
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}
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private RenderSettings ReadSettings()
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{
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static double Number(string text, string name)
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{
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if (!double.TryParse(text.Replace(',', '.'), NumberStyles.Float, CultureInfo.InvariantCulture, out double value) || value < 0)
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throw new ArgumentException($"Enter a valid non-negative value for {name}.");
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return value;
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}
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if (!int.TryParse(IntervalBox.Text, out int interval) || interval < 1)
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throw new ArgumentException("Thumbnail interval must be at least one second.");
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EncoderMode encoder = Enum.Parse<EncoderMode>(SelectedEncoder());
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return new(
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_inputs.ToList(),
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EndCardBox.Text.Trim(),
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OutputFolderBox.Text.Trim(),
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OutputNameBox.Text.Trim(),
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FfmpegPathBox.Text.Trim(),
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FfprobePathBox.Text.Trim(),
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encoder,
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Number(TrimBox.Text, "trim start"),
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Number(FadeBox.Text, "fade"),
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Number(HoldBox.Text, "end-card hold"),
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interval);
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}
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private void SetRendering(bool rendering)
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{
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RenderButton.IsEnabled = !rendering;
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CancelButton.IsEnabled = rendering;
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OpenSettingsButton.IsEnabled = !rendering;
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}
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private void UpdateProgress(RenderProgress value)
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{
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RenderProgressBar.Value = value.Percent;
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PercentText.Text = $"{value.Percent:0}%";
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StageText.Text = value.Stage;
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StatusText.Text = value.Message;
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}
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private void AppendLog(string line)
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{
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_ = DispatcherQueue.TryEnqueue(() =>
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{
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LogBox.Text += line + Environment.NewLine;
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LogBox.Select(LogBox.Text.Length, 0);
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});
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}
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private void SaveSettings()
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{
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AppSettingsStore.Save(new AppSettings(
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OutputFolderBox.Text.Trim(),
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EndCardBox.Text.Trim(),
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FfmpegPathBox.Text.Trim(),
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FfprobePathBox.Text.Trim(),
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string.Empty,
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SelectedTheme(),
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SelectedEncoder(),
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TrimBox.Text.Trim(),
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FadeBox.Text.Trim(),
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HoldBox.Text.Trim(),
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IntervalBox.Text.Trim()));
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}
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private string SelectedTheme() => (ThemeBox.SelectedItem as ComboBoxItem)?.Tag?.ToString() ?? "Dark";
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private string SelectedEncoder() => (EncoderBox.SelectedItem as ComboBoxItem)?.Tag?.ToString() ?? "Auto";
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private void SelectTheme(string theme)
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{
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foreach (ComboBoxItem item in ThemeBox.Items)
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{
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if (string.Equals(item.Tag?.ToString(), theme, StringComparison.OrdinalIgnoreCase))
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{
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ThemeBox.SelectedItem = item;
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return;
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}
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}
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ThemeBox.SelectedIndex = 0;
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}
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private void SelectEncoder(string encoder)
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{
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foreach (ComboBoxItem item in EncoderBox.Items)
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{
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if (string.Equals(item.Tag?.ToString(), encoder, StringComparison.OrdinalIgnoreCase))
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{
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EncoderBox.SelectedItem = item;
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return;
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}
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}
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EncoderBox.SelectedIndex = 0;
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}
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private void ApplyTheme(string theme)
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{
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RequestedTheme = string.Equals(theme, "Light", StringComparison.OrdinalIgnoreCase)
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? ElementTheme.Light
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: ElementTheme.Dark;
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}
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private FileOpenPicker CreateFileOpenPicker()
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{
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FileOpenPicker picker = new();
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InitializeWithWindow.Initialize(picker, App.MainWindowHandle);
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return picker;
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}
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private FolderPicker CreateFolderPicker()
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{
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FolderPicker picker = new();
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picker.FileTypeFilter.Add("*");
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InitializeWithWindow.Initialize(picker, App.MainWindowHandle);
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return picker;
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}
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private static string NaturalKey(string path)
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{
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string name = Path.GetFileNameWithoutExtension(path);
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int underscore = name.LastIndexOf('_');
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return underscore >= 0 && int.TryParse(name[(underscore + 1)..], out int number)
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? name[..underscore] + number.ToString("D10")
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: name;
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}
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private async Task ShowMessageAsync(string title, string message)
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{
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ContentDialog dialog = new()
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{
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Title = title,
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Content = message,
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CloseButtonText = "OK",
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XamlRoot = XamlRoot
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};
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await dialog.ShowAsync();
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}
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}
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