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Custom TUI Library WIP

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This commit is contained in:
Ádám Kovács
2023-08-08 00:27:42 +02:00
parent 7807a82f3f
commit a77d5cc235
22 changed files with 334 additions and 282 deletions
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4
src/ConsoleApp/FileTime.ConsoleUI.App.Abstractions/FileTime.ConsoleUI.App.Abstractions.csproj
View File

@@ -11,8 +11,4 @@
<ProjectReference Include="..\..\AppCommon\FileTime.App.Core.Abstraction\FileTime.App.Core.Abstraction.csproj" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Terminal.Gui" Version="1.13.5" />
</ItemGroup>
</Project>

28
src/ConsoleApp/FileTime.ConsoleUI.App/App.cs
View File

@@ -1,8 +1,5 @@
using FileTime.App.Core.Services;
using FileTime.ConsoleUI.App.Extensions;
using FileTime.ConsoleUI.App.KeyInputHandling;
using FileTime.Core.Models;
using Terminal.Gui;
namespace FileTime.ConsoleUI.App;
@@ -10,7 +7,7 @@ public class App : IApplication
{
private readonly ILifecycleService _lifecycleService;
private readonly IConsoleAppState _consoleAppState;
private readonly IAppKeyService<Key> _appKeyService;
//private readonly IAppKeyService<Key> _appKeyService;
private readonly MainWindow _mainWindow;
private readonly IKeyInputHandlerService _keyInputHandlerService;
@@ -18,13 +15,13 @@ public class App : IApplication
ILifecycleService lifecycleService,
IKeyInputHandlerService keyInputHandlerService,
IConsoleAppState consoleAppState,
IAppKeyService<Key> appKeyService,
//IAppKeyService<Key> appKeyService,
MainWindow mainWindow)
{
_lifecycleService = lifecycleService;
_keyInputHandlerService = keyInputHandlerService;
_consoleAppState = consoleAppState;
_appKeyService = appKeyService;
//_appKeyService = appKeyService;
_mainWindow = mainWindow;
}
@@ -34,24 +31,5 @@ public class App : IApplication
Task.Run(async () => await _lifecycleService.InitStartupHandlersAsync()).Wait();
_mainWindow.Initialize();
Application.Init();
var asd = Application.Top.ColorScheme;
foreach (var element in _mainWindow.GetElements())
{
Application.Top.Add(element);
}
Application.RootKeyEvent += e =>
{
if (e.ToGeneralKeyEventArgs(_appKeyService) is not { } args) return false;
_keyInputHandlerService.HandleKeyInput(args);
return args.Handled;
};
Application.Run();
Application.Shutdown();
}
}

42
src/ConsoleApp/FileTime.ConsoleUI.App/Controls/ItemRenderer.cs
View File

@@ -1,42 +0,0 @@
using System.Collections;
using System.Collections.ObjectModel;
using DeclarativeProperty;
using FileTime.App.Core.ViewModels;
using Terminal.Gui;
namespace FileTime.ConsoleUI.App.Controls;
public class ItemRenderer : IListDataSource
{
private readonly IDeclarativeProperty<ObservableCollection<IItemViewModel>?> _source;
public ItemRenderer(
IDeclarativeProperty<ObservableCollection<IItemViewModel>?> source,
Action update
)
{
_source = source;
source.Subscribe((_, _) =>
{
update();
});
}
public void Render(ListView container, ConsoleDriver driver, bool selected, int item, int col, int line, int width, int start = 0)
{
var itemViewModel = _source.Value?[item];
container.Move(col, line);
driver.AddStr(itemViewModel?.DisplayNameText ?? string.Empty);
}
public bool IsMarked(int item) => false;
public void SetMark(int item, bool value)
{
}
public IList ToList() => _source.Value!;
public int Count => _source.Value?.Count ?? 0;
public int Length => 20;
}

18
src/ConsoleApp/FileTime.ConsoleUI.App/Extensions/KeyEventArgsExtensions.cs
View File

@@ -1,18 +0,0 @@
using FileTime.App.Core.Models;
using FileTime.App.Core.Services;
using Terminal.Gui;
namespace FileTime.ConsoleUI.App.Extensions;
public static class KeyEventArgsExtensions
{
public static GeneralKeyEventArgs? ToGeneralKeyEventArgs(this KeyEvent args, IAppKeyService<Key> appKeyService)
{
var maybeKey = appKeyService.MapKey(args.Key);
if (maybeKey is not { } key1) return null;
return new GeneralKeyEventArgs
{
Key = key1
};
}
}

12
src/ConsoleApp/FileTime.ConsoleUI.App/Extensions/UIExtensions.cs
View File

@@ -1,12 +0,0 @@
using Terminal.Gui;
namespace FileTime.ConsoleUI.App.Extensions;
public static class UiExtensions
{
public static void Update(this ListView listView)
{
listView.EnsureSelectedItemVisible();
listView.SetNeedsDisplay();
}
}

6
src/ConsoleApp/FileTime.ConsoleUI.App/FileTime.ConsoleUI.App.csproj
View File

@@ -13,12 +13,16 @@
<ItemGroup>
<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
<PackageReference Include="Serilog" Version="3.0.1" />
<PackageReference Include="Terminal.Gui" Version="1.13.5" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\..\AppCommon\FileTime.App.Core\FileTime.App.Core.csproj" />
<ProjectReference Include="..\..\Library\TerminalUI\TerminalUI.csproj" />
<ProjectReference Include="..\FileTime.ConsoleUI.App.Abstractions\FileTime.ConsoleUI.App.Abstractions.csproj" />
</ItemGroup>
<ItemGroup>
<Folder Include="Controls\" />
</ItemGroup>
</Project>

92
src/ConsoleApp/FileTime.ConsoleUI.App/KeyInputHandling/ConsoleAppKeyService.cs
View File

@@ -1,92 +0,0 @@
using System.Collections.ObjectModel;
using FileTime.App.Core.Models;
using FileTime.App.Core.Services;
using Terminal.Gui;
namespace FileTime.ConsoleUI.App.KeyInputHandling;
public sealed class ConsoleAppKeyService : IAppKeyService<Key>
{
private static readonly Dictionary<Key, Keys> KeyMapping;
//TODO: write test for this. Test if every enum value is present in the dictionary.
public static ReadOnlyDictionary<Key, Keys> KeyMappingReadOnly { get; }
static ConsoleAppKeyService()
{
KeyMapping = new Dictionary<Key, Keys>
{
{Key.A, Keys.A},
{Key.B, Keys.B},
{Key.C, Keys.C},
{Key.D, Keys.D},
{Key.E, Keys.E},
{Key.F, Keys.F},
{Key.G, Keys.G},
{Key.H, Keys.H},
{Key.I, Keys.I},
{Key.J, Keys.J},
{Key.K, Keys.K},
{Key.L, Keys.L},
{Key.M, Keys.M},
{Key.N, Keys.N},
{Key.O, Keys.O},
{Key.P, Keys.P},
{Key.Q, Keys.Q},
{Key.R, Keys.R},
{Key.S, Keys.S},
{Key.T, Keys.T},
{Key.U, Keys.U},
{Key.V, Keys.V},
{Key.W, Keys.W},
{Key.X, Keys.X},
{Key.Y, Keys.Y},
{Key.Z, Keys.Z},
{Key.F1, Keys.F1},
{Key.F2, Keys.F2},
{Key.F3, Keys.F3},
{Key.F4, Keys.F4},
{Key.F5, Keys.F5},
{Key.F6, Keys.F6},
{Key.F7, Keys.F7},
{Key.F8, Keys.F8},
{Key.F9, Keys.F9},
{Key.F10, Keys.F10},
{Key.F11, Keys.F11},
{Key.F12, Keys.F12},
{Key.D0, Keys.Num0},
{Key.D1, Keys.Num1},
{Key.D2, Keys.Num2},
{Key.D3, Keys.Num3},
{Key.D4, Keys.Num4},
{Key.D5, Keys.Num5},
{Key.D6, Keys.Num6},
{Key.D7, Keys.Num7},
{Key.D8, Keys.Num8},
{Key.D9, Keys.Num9},
{Key.CursorUp, Keys.Up},
{Key.CursorDown, Keys.Down},
{Key.CursorLeft, Keys.Left},
{Key.CursorRight, Keys.Right},
{Key.Enter, Keys.Enter},
{Key.Esc, Keys.Escape},
{Key.Backspace, Keys.Backspace},
{Key.Space, Keys.Space},
{Key.PageUp, Keys.PageUp},
{Key.PageDown, Keys.PageDown},
{Key.Tab, Keys.Tab},
{(Key)44, Keys.Comma},
{(Key)63, Keys.Question},
{(Key)123456, Keys.LWin},
{(Key)123457, Keys.RWin},
};
KeyMappingReadOnly = new(KeyMapping);
}
public Keys? MapKey(Key key)
{
if (!KeyMapping.TryGetValue(key, out var mappedKey)) return null;
return mappedKey;
}
}

77
src/ConsoleApp/FileTime.ConsoleUI.App/MainWindow.cs
View File

@@ -1,14 +1,16 @@
using DeclarativeProperty;
using FileTime.ConsoleUI.App.Controls;
using System.Collections.ObjectModel;
using DeclarativeProperty;
using FileTime.App.Core.ViewModels;
using FileTime.ConsoleUI.App.Extensions;
using Terminal.Gui;
using TerminalUI;
using TerminalUI.Controls;
using TerminalUI.Extensions;
namespace FileTime.ConsoleUI.App;
public class MainWindow
{
private readonly IConsoleAppState _consoleAppState;
private View[] _views;
private const int ParentColumnWidth = 20;
public MainWindow(IConsoleAppState consoleAppState)
@@ -16,67 +18,16 @@ public class MainWindow
_consoleAppState = consoleAppState;
}
public void Initialize() =>
_views = new View[]
{
GetSelectedItemsView(),
GetParentsChildren(),
GetSelectedsChildren()
};
private ListView GetSelectedItemsView()
public void Initialize()
{
ListView selectedItemsView = new() {X = ParentColumnWidth, Y = 1, Width = Dim.Percent(60) - 20, Height = Dim.Fill()};
var selectedsItems = _consoleAppState
.SelectedTab
.Map(t => t.CurrentItems)
.Switch();
ListView<IAppState, IItemViewModel> selectedItemsView = new();
selectedItemsView.DataContext = _consoleAppState;
var selectedItem = _consoleAppState.SelectedTab
.Map(t => t.CurrentSelectedItem)
.Switch();
selectedItemsView.Bind(
selectedItemsView,
appState => appState.SelectedTab.Map(t => t == null ? null : t.CurrentItems).Switch(),
v => v.ItemsSource);
DeclarativePropertyHelpers.CombineLatest(
selectedItem,
selectedsItems,
(selected, items) => Task.FromResult(items.IndexOf(selected)))
.Subscribe((index, _) =>
{
if (index == -1) return;
selectedItemsView.SelectedItem = index;
selectedItemsView.Update();
});
var renderer = new ItemRenderer(selectedsItems, selectedItemsView.Update);
selectedItemsView.Source = renderer;
return selectedItemsView;
selectedItemsView.Render();
}
private ListView GetParentsChildren()
{
ListView parentsChildrenView = new() {X = 0, Y = 1, Width = ParentColumnWidth, Height = Dim.Fill()};
var parentsChildren = _consoleAppState
.SelectedTab
.Map(t => t.ParentsChildren)
.Switch();
var renderer = new ItemRenderer(parentsChildren, parentsChildrenView.Update);
parentsChildrenView.Source = renderer;
return parentsChildrenView;
}
private ListView GetSelectedsChildren()
{
ListView selectedsChildrenView = new() {X = Pos.Percent(60), Y = 1, Width = Dim.Percent(40), Height = Dim.Fill()};
var selectedsChildren = _consoleAppState
.SelectedTab
.Map(t => t.SelectedsChildren)
.Switch();
var renderer = new ItemRenderer(selectedsChildren, selectedsChildrenView.Update);
selectedsChildrenView.Source = renderer;
return selectedsChildrenView;
}
public IEnumerable<View> GetElements() => _views;
}

18
src/ConsoleApp/FileTime.ConsoleUI.App/Services/SystemClipboardService.cs
View File

@@ -1,18 +0,0 @@
using FileTime.App.Core.Services;
using FileTime.Core.Models;
using Terminal.Gui;
namespace FileTime.ConsoleUI.App.Services;
public class SystemClipboardService : ISystemClipboardService
{
public Task CopyToClipboardAsync(string text)
{
Clipboard.TrySetClipboardData(text);
return Task.CompletedTask;
}
public Task<IEnumerable<FullName>> GetFilesAsync() => throw new NotImplementedException();
public Task SetFilesAsync(IEnumerable<FullName> files) => throw new NotImplementedException();
}

3
src/ConsoleApp/FileTime.ConsoleUI.App/Startup.cs
View File

@@ -5,7 +5,6 @@ using FileTime.ConsoleUI.App.Services;
using FileTime.Core.Interactions;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Terminal.Gui;
namespace FileTime.ConsoleUI.App;
@@ -19,8 +18,6 @@ public static class Startup
services.TryAddSingleton<IAppState>(sp => sp.GetRequiredService<IConsoleAppState>());
services.TryAddSingleton<IUserCommunicationService, ConsoleUserCommunicationService>();
services.TryAddSingleton<IKeyInputHandlerService, KeyInputHandlerService>();
services.TryAddSingleton<IAppKeyService<Key>, ConsoleAppKeyService>();
services.TryAddSingleton<ISystemClipboardService, SystemClipboardService>();
services.AddSingleton<CustomLoggerSink>();
return services;

7
src/FileTime.sln
View File

@@ -117,6 +117,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FileTime.App.ContainerSizeS
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FileTime.ConsoleUI.App.Abstractions", "ConsoleApp\FileTime.ConsoleUI.App.Abstractions\FileTime.ConsoleUI.App.Abstractions.csproj", "{81F44BBB-6F89-41B4-89F1-4A3204843DB5}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TerminalUI", "Library\TerminalUI\TerminalUI.csproj", "{2F01FC4C-D942-48B0-B61C-7C5BEAED4787}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -315,6 +317,10 @@ Global
{81F44BBB-6F89-41B4-89F1-4A3204843DB5}.Debug|Any CPU.Build.0 = Debug|Any CPU
{81F44BBB-6F89-41B4-89F1-4A3204843DB5}.Release|Any CPU.ActiveCfg = Release|Any CPU
{81F44BBB-6F89-41B4-89F1-4A3204843DB5}.Release|Any CPU.Build.0 = Release|Any CPU
{2F01FC4C-D942-48B0-B61C-7C5BEAED4787}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{2F01FC4C-D942-48B0-B61C-7C5BEAED4787}.Debug|Any CPU.Build.0 = Debug|Any CPU
{2F01FC4C-D942-48B0-B61C-7C5BEAED4787}.Release|Any CPU.ActiveCfg = Release|Any CPU
{2F01FC4C-D942-48B0-B61C-7C5BEAED4787}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
@@ -369,6 +375,7 @@ Global
{E5FD38ED-6E4B-42AA-850B-470B939B836B} = {A5291117-3001-498B-AC8B-E14F71F72570}
{826AFD32-E36B-48BA-BC1E-1476B393CF24} = {A5291117-3001-498B-AC8B-E14F71F72570}
{81F44BBB-6F89-41B4-89F1-4A3204843DB5} = {CAEEAD3C-41EB-405C-ACA9-BA1E4C352549}
{2F01FC4C-D942-48B0-B61C-7C5BEAED4787} = {07CA18AA-B85D-4DEE-BB86-F569F6029853}
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {859FB3DF-C60A-46B1-82E5-90274905D1EF}

2
src/Library/DeclarativeProperty/DeclarativePropertyExtensions.cs
View File

@@ -91,6 +91,6 @@ public static class DeclarativePropertyExtensions
Action<TResult?>? setValueHook = null)
=> new CombineLatestProperty<T1,T2,TResult?>(prop1, prop2, func, setValueHook);
public static IDeclarativeProperty<T?> Switch<T>(this IDeclarativeProperty<IDeclarativeProperty<T>> from)
public static IDeclarativeProperty<T> Switch<T>(this IDeclarativeProperty<IDeclarativeProperty<T>?> from)
=> new SwitchProperty<T>(from);
}

4
src/Library/DeclarativeProperty/SwitchProperty.cs
View File

@@ -4,13 +4,13 @@ public sealed class SwitchProperty<TItem> : DeclarativePropertyBase<TItem>
{
private IDisposable? _innerSubscription;
public SwitchProperty(IDeclarativeProperty<IDeclarativeProperty<TItem?>?> from) : base(from.Value is null ? default : from.Value.Value)
public SwitchProperty(IDeclarativeProperty<IDeclarativeProperty<TItem>?> from) : base(from.Value is null ? default : from.Value.Value)
{
AddDisposable(from.Subscribe(HandleStreamChange));
_innerSubscription = from.Value?.Subscribe(HandleInnerValueChange);
}
private async Task HandleStreamChange(IDeclarativeProperty<TItem?>? next, CancellationToken token)
private async Task HandleStreamChange(IDeclarativeProperty<TItem>? next, CancellationToken token)
{
_innerSubscription?.Dispose();
_innerSubscription = next?.Subscribe(HandleInnerValueChange);

49
src/Library/TerminalUI/Binding.cs Normal file
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@@ -0,0 +1,49 @@
using System.ComponentModel;
using System.Reflection;
using TerminalUI.Controls;
using TerminalUI.Traits;
namespace TerminalUI;
public class Binding<TDataContext, TResult> : IDisposable
{
private readonly Func<TDataContext, TResult> _dataContextMapper;
private IView<TDataContext> _view;
private object? _propertySource;
private PropertyInfo _targetProperty;
public Binding(
IView<TDataContext> view,
Func<TDataContext, TResult> dataContextMapper,
object? propertySource,
PropertyInfo targetProperty
)
{
_view = view;
_dataContextMapper = dataContextMapper;
_propertySource = propertySource;
_targetProperty = targetProperty;
view.PropertyChanged += View_PropertyChanged;
_targetProperty.SetValue(_propertySource, _dataContextMapper(_view.DataContext));
if(propertySource is IDisposableCollection disposableCollection)
disposableCollection.AddDisposable(this);
view.AddDisposable(this);
}
private void View_PropertyChanged(object? sender, PropertyChangedEventArgs e)
{
if (e.PropertyName != nameof(IView<TDataContext>.DataContext)) return;
_targetProperty.SetValue(_propertySource, _dataContextMapper(_view.DataContext));
}
public void Dispose()
{
_view.PropertyChanged -= View_PropertyChanged;
_view = null!;
_propertySource = null!;
_targetProperty = null!;
}
}

16
src/Library/TerminalUI/Controls/IView.cs Normal file
View File

@@ -0,0 +1,16 @@
using System.ComponentModel;
using TerminalUI.Traits;
namespace TerminalUI.Controls;
public interface IView<T> : INotifyPropertyChanged, IDisposableCollection
{
T? DataContext { get; set; }
void Render();
TChild CreateChild<TChild>()
where TChild : IView<T>, new();
TChild CreateChild<TChild, TDataContext>(Func<T?, TDataContext?> dataContextMapper)
where TChild : IView<TDataContext>, new();
}

85
src/Library/TerminalUI/Controls/ListView.cs Normal file
View File

@@ -0,0 +1,85 @@
using System.Buffers;
using System.Collections.ObjectModel;
using DeclarativeProperty;
namespace TerminalUI.Controls;
public class ListView<TDataContext, TItem> : View<TDataContext>
{
private static readonly ArrayPool<ListViewItem<TItem>> ListViewItemPool = ArrayPool<ListViewItem<TItem>>.Shared;
private readonly List<IDisposable> _itemsDisposables = new();
private Func<IEnumerable<TItem>>? _getItems;
private object? _itemsSource;
private ListViewItem<TItem>[]? _listViewItems;
private int _listViewItemLength;
public object? ItemsSource
{
get => _itemsSource;
set
{
if (_itemsSource == value) return;
_itemsSource = value;
foreach (var disposable in _itemsDisposables)
{
disposable.Dispose();
}
_itemsDisposables.Clear();
if (_itemsSource is IDeclarativeProperty<ObservableCollection<TItem>> observableDeclarativeProperty)
_getItems = () => observableDeclarativeProperty.Value;
else if (_itemsSource is IDeclarativeProperty<ReadOnlyObservableCollection<TItem>> readOnlyObservableDeclarativeProperty)
_getItems = () => readOnlyObservableDeclarativeProperty.Value;
else if (_itemsSource is IDeclarativeProperty<IEnumerable<TItem>> enumerableDeclarativeProperty)
_getItems = () => enumerableDeclarativeProperty.Value;
else if (_itemsSource is ICollection<TItem> collection)
_getItems = () => collection;
else if (_itemsSource is TItem[] array)
_getItems = () => array;
else if (_itemsSource is IEnumerable<TItem> enumerable)
_getItems = () => enumerable.ToArray();
if (_listViewItems is not null)
{
ListViewItemPool.Return(_listViewItems);
_listViewItems = null;
}
OnPropertyChanged();
}
}
public override void Render()
{
if (_getItems is null) return;
var items = _getItems().ToList();
Span<ListViewItem<TItem>> listViewItems = null;
if (_listViewItems is null || _listViewItems.Length != items.Count)
{
var newListViewItems = ListViewItemPool.Rent(items.Count);
for (var i = 0; i < items.Count; i++)
{
var dataContext = items[i];
newListViewItems[i] = CreateChild<ListViewItem<TItem>, TItem>(_ => dataContext);
}
_listViewItems = newListViewItems;
_listViewItemLength = items.Count;
listViewItems = newListViewItems[..items.Count];
}
else
{
listViewItems = _listViewItems[.._listViewItemLength];
}
foreach (var item in listViewItems)
{
item.Render();
}
}
}

9
src/Library/TerminalUI/Controls/ListViewItem.cs Normal file
View File

@@ -0,0 +1,9 @@
namespace TerminalUI.Controls;
public class ListViewItem<T> : View<T>
{
public override void Render()
{
Console.WriteLine(DataContext?.ToString());
}
}

73
src/Library/TerminalUI/Controls/View.cs Normal file
View File

@@ -0,0 +1,73 @@
using System.Collections.Concurrent;
using System.ComponentModel;
using System.Runtime.CompilerServices;
namespace TerminalUI.Controls;
public abstract class View<T> : IView<T>
{
private readonly ConcurrentBag<IDisposable> _disposables = new();
public T? DataContext { get; set; }
public abstract void Render();
public TChild CreateChild<TChild>() where TChild : IView<T>, new()
{
var child = new TChild
{
DataContext = DataContext
};
var mapper = new DataContextMapper<T>(this, d => child.DataContext = d);
AddDisposable(mapper);
child.AddDisposable(mapper);
return child;
}
public TChild CreateChild<TChild, TDataContext>(Func<T?, TDataContext?> dataContextMapper)
where TChild : IView<TDataContext>, new()
{
var child = new TChild
{
DataContext = dataContextMapper(DataContext)
};
var mapper = new DataContextMapper<T>(this, d => child.DataContext = dataContextMapper(d));
AddDisposable(mapper);
child.AddDisposable(mapper);
return child;
}
public void AddDisposable(IDisposable disposable) => _disposables.Add(disposable);
public event PropertyChangedEventHandler? PropertyChanged;
protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
protected bool SetField<TProp>(ref TProp field, TProp value, [CallerMemberName] string? propertyName = null)
{
if (EqualityComparer<TProp>.Default.Equals(field, value)) return false;
field = value;
OnPropertyChanged(propertyName);
return true;
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this); // Violates rule
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
foreach (var disposable in _disposables)
{
disposable.Dispose();
}
_disposables.Clear();
}
}
}

27
src/Library/TerminalUI/DataContextMapper.cs Normal file
View File

@@ -0,0 +1,27 @@
using System.ComponentModel;
using TerminalUI.Controls;
namespace TerminalUI;
public class DataContextMapper<T> : IDisposable
{
private readonly IView<T> _source;
private readonly Action<T?> _setter;
public DataContextMapper(IView<T> source, Action<T?> setter)
{
ArgumentNullException.ThrowIfNull(source);
_source = source;
_setter = setter;
source.PropertyChanged += SourceOnPropertyChanged;
}
private void SourceOnPropertyChanged(object? sender, PropertyChangedEventArgs e)
{
if (e.PropertyName != nameof(IView<object>.DataContext)) return;
_setter(_source.DataContext);
}
public void Dispose() => _source.PropertyChanged -= SourceOnPropertyChanged;
}

23
src/Library/TerminalUI/Extensions/Binding.cs Normal file
View File

@@ -0,0 +1,23 @@
using System.Linq.Expressions;
using System.Reflection;
using TerminalUI.Controls;
namespace TerminalUI.Extensions;
public static class Binding
{
public static Binding<TDataContext, TResult> Bind<TDataContext, TResult, TView>(
this TView targetView,
IView<TDataContext> view,
Expression<Func<TDataContext, TResult>> dataContextExpression,
Expression<Func<TView, TResult>> propertyExpression)
{
var dataContextMapper = dataContextExpression.Compile();
if (propertyExpression.Body is not MemberExpression memberExpression
|| memberExpression.Member is not PropertyInfo propertyInfo)
throw new AggregateException(nameof(propertyExpression) + " must be a property expression");
return new Binding<TDataContext, TResult>(view, dataContextMapper, targetView, propertyInfo);
}
}

13
src/Library/TerminalUI/TerminalUI.csproj Normal file
View File

@@ -0,0 +1,13 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\DeclarativeProperty\DeclarativeProperty.csproj" />
</ItemGroup>
</Project>

6
src/Library/TerminalUI/Traits/IDisposableCollection.cs Normal file
View File

@@ -0,0 +1,6 @@
namespace TerminalUI.Traits;
public interface IDisposableCollection : IDisposable
{
void AddDisposable(IDisposable disposable);
}