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@ -1,70 +1,114 @@ |
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using System; |
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#nullable enable |
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Linq; |
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using System.Runtime.InteropServices; |
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using System.Threading.Tasks; |
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using Avalonia.Controls; |
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using Avalonia.Controls.Platform; |
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using Avalonia.Native.Interop; |
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using Avalonia.Platform.Storage; |
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using Avalonia.Platform.Storage.FileIO; |
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namespace Avalonia.Native |
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{ |
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internal class SystemDialogs : ISystemDialogImpl |
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internal class SystemDialogs : BclStorageProvider |
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{ |
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IAvnSystemDialogs _native; |
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private readonly WindowBaseImpl _window; |
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private readonly IAvnSystemDialogs _native; |
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public SystemDialogs(IAvnSystemDialogs native) |
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public SystemDialogs(WindowBaseImpl window, IAvnSystemDialogs native) |
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{ |
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_window = window; |
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_native = native; |
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} |
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public Task<string[]> ShowFileDialogAsync(FileDialog dialog, Window parent) |
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public override bool CanOpen => true; |
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public override bool CanSave => true; |
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public override bool CanPickFolder => true; |
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public override async Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
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{ |
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var events = new SystemDialogEvents(); |
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using var events = new SystemDialogEvents(); |
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var nativeParent = GetNativeWindow(parent); |
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var suggestedDirectory = options.SuggestedStartLocation?.TryGetUri(out var suggestedDirectoryTmp) == true |
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? suggestedDirectoryTmp.LocalPath : string.Empty; |
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if (dialog is OpenFileDialog ofd) |
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{ |
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_native.OpenFileDialog(nativeParent, |
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events, ofd.AllowMultiple.AsComBool(), |
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ofd.Title ?? "", |
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ofd.Directory ?? "", |
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ofd.InitialFileName ?? "", |
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string.Join(";", dialog.Filters?.SelectMany(f => f.Extensions) ?? Array.Empty<string>())); |
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} |
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else |
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{ |
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_native.SaveFileDialog(nativeParent, |
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events, |
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dialog.Title ?? "", |
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dialog.Directory ?? "", |
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dialog.InitialFileName ?? "", |
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string.Join(";", dialog.Filters?.SelectMany(f => f.Extensions) ?? Array.Empty<string>())); |
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} |
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_native.OpenFileDialog((IAvnWindow)_window.Native, |
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events, |
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options.AllowMultiple.AsComBool(), |
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options.Title ?? string.Empty, |
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suggestedDirectory, |
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string.Empty, |
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PrepareFilterParameter(options.FileTypeFilter)); |
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var result = await events.Task.ConfigureAwait(false); |
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return result?.Select(f => new BclStorageFile(new FileInfo(f))).ToArray() |
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?? Array.Empty<IStorageFile>(); |
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} |
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return events.Task.ContinueWith(t => { events.Dispose(); return t.Result; }); |
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public override async Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
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{ |
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using var events = new SystemDialogEvents(); |
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var suggestedDirectory = options.SuggestedStartLocation?.TryGetUri(out var suggestedDirectoryTmp) == true |
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? suggestedDirectoryTmp.LocalPath : string.Empty; |
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_native.SaveFileDialog((IAvnWindow)_window.Native, |
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events, |
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options.Title ?? string.Empty, |
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suggestedDirectory, |
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options.SuggestedFileName ?? string.Empty, |
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PrepareFilterParameter(options.FileTypeChoices)); |
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var result = await events.Task.ConfigureAwait(false); |
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return result.FirstOrDefault() is string file |
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? new BclStorageFile(new FileInfo(file)) |
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: null; |
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} |
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public Task<string> ShowFolderDialogAsync(OpenFolderDialog dialog, Window parent) |
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public override async Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
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{ |
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var events = new SystemDialogEvents(); |
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using var events = new SystemDialogEvents(); |
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var nativeParent = GetNativeWindow(parent); |
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var suggestedDirectory = options.SuggestedStartLocation?.TryGetUri(out var suggestedDirectoryTmp) == true |
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? suggestedDirectoryTmp.LocalPath : string.Empty; |
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_native.SelectFolderDialog(nativeParent, events, dialog.Title ?? "", dialog.Directory ?? ""); |
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_native.SelectFolderDialog((IAvnWindow)_window.Native, events, options.AllowMultiple.AsComBool(), options.Title ?? "", suggestedDirectory); |
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return events.Task.ContinueWith(t => { events.Dispose(); return t.Result.FirstOrDefault(); }); |
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var result = await events.Task.ConfigureAwait(false); |
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return result?.Select(f => new BclStorageFolder(new DirectoryInfo(f))).ToArray() |
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?? Array.Empty<IStorageFolder>(); |
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} |
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private IAvnWindow GetNativeWindow(Window window) |
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private static string PrepareFilterParameter(IReadOnlyList<FilePickerFileType>? fileTypes) |
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{ |
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return (window?.PlatformImpl as WindowImpl)?.Native; |
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return string.Join(";", |
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fileTypes?.SelectMany(f => |
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{ |
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// On the native side we will try to parse identifiers or mimetypes.
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if (f.AppleUniformTypeIdentifiers?.Any() == true) |
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{ |
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return f.AppleUniformTypeIdentifiers; |
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} |
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else if (f.MimeTypes?.Any() == true) |
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{ |
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// MacOS doesn't accept "all" type, so it's pointless to pass it.
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return f.MimeTypes.Where(t => t != "*/*"); |
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} |
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return Array.Empty<string>(); |
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}) ?? |
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Array.Empty<string>()); |
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} |
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} |
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internal unsafe class SystemDialogEvents : NativeCallbackBase, IAvnSystemDialogEvents |
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{ |
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private TaskCompletionSource<string[]> _tcs; |
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private readonly TaskCompletionSource<string[]> _tcs; |
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public SystemDialogEvents() |
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{ |
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@ -83,7 +127,7 @@ namespace Avalonia.Native |
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for (int i = 0; i < numResults; i++) |
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{ |
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results[i] = Marshal.PtrToStringAnsi(*ptr); |
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results[i] = Marshal.PtrToStringAnsi(*ptr) ?? string.Empty; |
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ptr++; |
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} |
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Max Katz
4 years ago