using System; using System.Threading.Tasks; using Avalonia; using Avalonia.Controls.Primitives; using Avalonia.Media.Imaging; using CommunityToolkit.Mvvm.ComponentModel; using CommunityToolkit.Mvvm.Input; using FluentAvalonia.Core; using Microsoft.Extensions.DependencyInjection; using StabilityMatrix.Avalonia.Controls; using StabilityMatrix.Avalonia.Helpers; using StabilityMatrix.Avalonia.Models; using StabilityMatrix.Avalonia.ViewModels.Base; using StabilityMatrix.Avalonia.Views; using StabilityMatrix.Avalonia.Views.Dialogs; using StabilityMatrix.Core.Attributes; using StabilityMatrix.Core.Helper; using StabilityMatrix.Core.Models.Database; using Size = StabilityMatrix.Core.Helper.Size; namespace StabilityMatrix.Avalonia.ViewModels.Dialogs; [View(typeof(ImageViewerDialog))] public partial class ImageViewerViewModel : ContentDialogViewModelBase { [ObservableProperty] private ImageSource? imageSource; [ObservableProperty] [NotifyPropertyChangedFor(nameof(HasGenerationParameters))] private LocalImageFile? localImageFile; [ObservableProperty] private bool isFooterEnabled; [ObservableProperty] private string? fileNameText; [ObservableProperty] private string? fileSizeText; [ObservableProperty] private string? imageSizeText; /// /// Whether local generation parameters are available. /// public bool HasGenerationParameters => LocalImageFile?.GenerationParameters is not null; public event EventHandler? NavigationRequested; partial void OnLocalImageFileChanged(LocalImageFile? value) { if (value?.ImageSize is { IsEmpty: false } size) { ImageSizeText = $"{size.Width} x {size.Height}"; } } partial void OnImageSourceChanged(ImageSource? value) { if (value?.LocalFile is { } localFile) { FileNameText = localFile.Name; FileSizeText = Size.FormatBase10Bytes(localFile.GetSize(true)); } } [RelayCommand] private void OnNavigateNext() { NavigationRequested?.Invoke(this, DirectionalNavigationEventArgs.Up); } [RelayCommand] private void OnNavigatePrevious() { NavigationRequested?.Invoke(this, DirectionalNavigationEventArgs.Down); } [RelayCommand] private async Task CopyImage(Bitmap? image) { if (image is null || !Compat.IsWindows) return; await Task.Run(() => { if (Compat.IsWindows) { WindowsClipboard.SetBitmap(image); } }); } public BetterContentDialog GetDialog() { var margins = new Thickness(64, 32); var mainWindowSize = App.Services.GetService()?.ClientSize; var dialogSize = new global::Avalonia.Size( Math.Floor((mainWindowSize?.Width * 0.6 ?? 1000) - margins.Horizontal()), Math.Floor((mainWindowSize?.Height ?? 1000) - margins.Vertical()) ); var dialog = new BetterContentDialog { MaxDialogWidth = dialogSize.Width, MaxDialogHeight = dialogSize.Height, ContentMargin = margins, FullSizeDesired = true, IsFooterVisible = false, CloseOnClickOutside = true, ContentVerticalScrollBarVisibility = ScrollBarVisibility.Disabled, Content = new ImageViewerDialog { Width = dialogSize.Width, Height = dialogSize.Height, DataContext = this } }; return dialog; } }