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Console DialogService

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This commit is contained in:
Ádám Kovács
2023-08-14 11:50:59 +02:00
parent 6797c26bf9
commit 1f4b938358
41 changed files with 807 additions and 269 deletions
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8
src/Library/ObservableComputations.Extensions/Extensions.cs
View File

@@ -1,10 +1,18 @@
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Linq.Expressions;
namespace ObservableComputations;
public static class Extensions
{
[ObservableComputationsCall]
public static Filtering<TSourceItem> Filtering<TSourceItem>(
this ReadOnlyObservableCollection<TSourceItem> source,
Expression<Func<TSourceItem, bool>> predicateExpression,
int initialCapacity = 0)
=> new(source, predicateExpression, initialCapacity);
[ObservableComputationsCall]
public static Selecting<TSourceItem, TResultItem> Selecting<TSourceItem, TResultItem>(
this ReadOnlyObservableCollection<TSourceItem> source,

5
src/Library/TerminalUI/ConsoleDrivers/DotnetDriver.cs
View File

@@ -22,9 +22,10 @@ public class DotnetDriver : IConsoleDriver
return new(x, y);
}
public void Write(string text) => Console.Write(text);
public void Write(string text) => Console.Out.Write(text);
public void Write(ReadOnlySpan<char> text) => Console.Out.Write(text);
public void Write(char text) => Console.Write(text);
public void Write(char text) => Console.Out.Write(text);
public virtual void Dispose() => Console.Clear();

1
src/Library/TerminalUI/ConsoleDrivers/IConsoleDriver.cs
View File

@@ -11,6 +11,7 @@ public interface IConsoleDriver
void ResetColor();
Position GetCursorPosition();
void Write(string text);
void Write(ReadOnlySpan<char> text);
void Write(char text);
bool CanRead();
ConsoleKeyInfo ReadKey();

2
src/Library/TerminalUI/Controls/Border.cs
View File

@@ -4,7 +4,7 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
public partial class Border<T> : ContentView<T>, IDisplayView
public sealed partial class Border<T> : ContentView<Border<T>, T>, IDisplayView
{
[Notify] private Thickness _borderThickness = 1;
[Notify] private Thickness _padding = 0;

4
src/Library/TerminalUI/Controls/ChildContainerView.cs
View File

@@ -4,7 +4,9 @@ using System.Diagnostics.CodeAnalysis;
namespace TerminalUI.Controls;
public abstract class ChildContainerView<T> : View<T>, IChildContainer<T>
public abstract class ChildContainerView<TConcrete, T>
: View<TConcrete, T>, IChildContainer<T>
where TConcrete : View<TConcrete, T>
{
private readonly ObservableCollection<IView> _children = new();
public ReadOnlyObservableCollection<IView> Children { get; }

4
src/Library/TerminalUI/Controls/ContentView.cs
View File

@@ -4,7 +4,9 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
public abstract partial class ContentView<T> : View<T>, IContentRenderer<T>
public abstract partial class ContentView<TConcrete, T>
: View<TConcrete, T>, IContentRenderer<T>
where TConcrete : View<TConcrete, T>
{
private bool _placeholderRenderDone;
[Notify] private RenderMethod _contentRendererMethod;

2
src/Library/TerminalUI/Controls/Grid.cs
View File

@@ -7,7 +7,7 @@ using TerminalUI.ViewExtensions;
namespace TerminalUI.Controls;
public class Grid<T> : ChildContainerView<T>, IVisibilityChangeHandler
public sealed class Grid<T> : ChildContainerView<Grid<T>, T>, IVisibilityChangeHandler
{
private readonly List<IView> _forceRerenderChildren = new();
private readonly object _forceRerenderChildrenLock = new();

6
src/Library/TerminalUI/Controls/IView.cs
View File

@@ -1,4 +1,6 @@
using System.ComponentModel;
using System.Collections.ObjectModel;
using System.ComponentModel;
using GeneralInputKey;
using TerminalUI.Color;
using TerminalUI.Models;
using TerminalUI.Traits;
@@ -28,10 +30,12 @@ public interface IView : INotifyPropertyChanged, IDisposableCollection
List<object> Extensions { get; }
RenderMethod RenderMethod { get; set; }
IView? VisualParent { get; set; }
ReadOnlyObservableCollection<IView> VisualChildren { get; }
event Action<IView> Disposed;
Size GetRequestedSize();
bool Render(in RenderContext renderContext, Position position, Size size);
void HandleKeyInput(GeneralKeyEventArgs keyEventArgs);
}
public interface IView<T> : IView

194
src/Library/TerminalUI/Controls/ItemsControl.cs Normal file
View File

@@ -0,0 +1,194 @@
using System.Collections.ObjectModel;
using ObservableComputations;
using PropertyChanged.SourceGenerator;
using TerminalUI.Models;
using TerminalUI.Traits;
namespace TerminalUI.Controls;
public sealed partial class ItemsControl<TDataContext, TItem>
: View<ItemsControl<TDataContext, TItem>, TDataContext>, IVisibilityChangeHandler
{
private readonly List<IView> _forceRerenderChildren = new();
private readonly object _forceRerenderChildrenLock = new();
private readonly List<IDisposable> _itemsDisposables = new();
private readonly Dictionary<IView, Size> _requestedSizes = new();
private IList<IView<TItem>> _children = new List<IView<TItem>>();
private object? _itemsSource;
[Notify] private Orientation _orientation = Orientation.Vertical;
public Func<IView<TItem>?> ItemTemplate { get; set; } = DefaultItemTemplate;
public IReadOnlyList<IView<TItem>> Children => _children.AsReadOnly();
public object? ItemsSource
{
get => _itemsSource;
set
{
if (_itemsSource == value) return;
_itemsSource = value;
foreach (var disposable in _itemsDisposables)
{
disposable.Dispose();
}
_itemsDisposables.Clear();
if (_itemsSource is ObservableCollection<TItem> observableDeclarative)
{
_children = observableDeclarative
.Selecting(i => CreateItem(i))
.OfTypeComputing<IView<TItem>>();
}
else if (_itemsSource is ReadOnlyObservableCollection<TItem> readOnlyObservableDeclarative)
{
_children = readOnlyObservableDeclarative
.Selecting(i => CreateItem(i))
.OfTypeComputing<IView<TItem>>();
}
else if (_itemsSource is ICollection<TItem> collection)
_children = collection.Select(CreateItem).OfType<IView<TItem>>().ToList();
else if (_itemsSource is TItem[] array)
_children = array.Select(CreateItem).OfType<IView<TItem>>().ToList();
else if (_itemsSource is IEnumerable<TItem> enumerable)
_children = enumerable.Select(CreateItem).OfType<IView<TItem>>().ToList();
else if (value is null)
{
_children = new List<IView<TItem>>();
}
else
{
throw new NotSupportedException();
}
OnPropertyChanged();
OnPropertyChanged(nameof(Children));
}
}
public ItemsControl()
{
RerenderProperties.Add(nameof(ItemsSource));
RerenderProperties.Add(nameof(Orientation));
}
protected override Size CalculateSize()
{
_requestedSizes.Clear();
double width = 0;
double height = 0;
foreach (var child in _children)
{
if (!child.IsVisible) continue;
var childSize = child.GetRequestedSize();
_requestedSizes.Add(child, childSize);
if (Orientation == Orientation.Vertical)
{
width = Math.Max(width, childSize.Width);
height += childSize.Height;
}
else
{
width += childSize.Width;
height = Math.Max(height, childSize.Height);
}
}
return new Size((int) width, (int) height);
}
protected override bool DefaultRenderer(in RenderContext renderContext, Position position, Size size)
{
var neededRerender = false;
IReadOnlyList<IView> forceRerenderChildren;
lock (_forceRerenderChildrenLock)
{
forceRerenderChildren = _forceRerenderChildren.ToList();
_forceRerenderChildren.Clear();
}
var delta = 0;
foreach (var child in _children)
{
if (!child.IsVisible) continue;
if (!_requestedSizes.TryGetValue(child, out var childSize)) throw new Exception("Child size not found");
var childPosition = Orientation == Orientation.Vertical
? position with {Y = position.Y + delta}
: position with {X = position.X + delta};
childSize = Orientation == Orientation.Vertical
? childSize with {Width = size.Width}
: childSize with {Height = size.Height};
var endX = position.X + size.Width;
var endY = position.Y + size.Height;
if (childPosition.X > endX || childPosition.Y > endY) break;
if (childPosition.X + childSize.Width > endX)
{
childSize = childSize with {Width = endX - childPosition.X};
}
if (childPosition.Y + childSize.Height > endY)
{
childSize = childSize with {Height = endY - childPosition.Y};
}
if (forceRerenderChildren.Contains(child))
{
var rerenderContext = new RenderContext(
renderContext.ConsoleDriver,
true,
renderContext.Foreground,
renderContext.Background,
renderContext.Statistics
);
neededRerender = child.Render(rerenderContext, childPosition, childSize) || neededRerender;
}
else
{
neededRerender = child.Render(renderContext, childPosition, childSize) || neededRerender;
}
delta += Orientation == Orientation.Vertical
? childSize.Height
: childSize.Width;
}
return neededRerender;
}
private IView<TItem>? CreateItem(TItem dataContext)
{
var newItem = ItemTemplate();
AddChild(newItem, _ => dataContext);
return newItem;
}
private static IView<TItem>? DefaultItemTemplate() => null;
public void ChildVisibilityChanged(IView child)
{
var viewToForceRerender = child;
while (viewToForceRerender.VisualParent != null && viewToForceRerender.VisualParent != this)
{
viewToForceRerender = viewToForceRerender.VisualParent;
}
if (viewToForceRerender.VisualParent != this) return;
lock (_forceRerenderChildrenLock)
{
_forceRerenderChildren.Add(viewToForceRerender);
}
}
}

4
src/Library/TerminalUI/Controls/ListView.cs
View File

@@ -6,7 +6,7 @@ using TerminalUI.Models;
namespace TerminalUI.Controls;
public partial class ListView<TDataContext, TItem> : View<TDataContext>
public sealed partial class ListView<TDataContext, TItem> : View<ListView<TDataContext, TItem>, TDataContext>
{
private static readonly ArrayPool<ListViewItem<TItem, TDataContext>> ListViewItemPool = ArrayPool<ListViewItem<TItem, TDataContext>>.Shared;
@@ -187,7 +187,7 @@ public partial class ListView<TDataContext, TItem> : View<TDataContext>
}
var renderStartIndex = _renderStartIndex;
//TODO: This MUST be calculated and used
var lastItemIndex = _listViewItemLength;

4
src/Library/TerminalUI/Controls/ListViewItem.cs
View File

@@ -3,7 +3,7 @@ using TerminalUI.Models;
namespace TerminalUI.Controls;
public partial class ListViewItem<T, TParentDataContext> : ContentView<T>
public sealed partial class ListViewItem<T, TParentDataContext> : ContentView<ListViewItem<T, TParentDataContext>, T>
{
public ListView<TParentDataContext, T> Parent { get; }
[Notify] private bool _isSelected;
@@ -11,7 +11,7 @@ public partial class ListViewItem<T, TParentDataContext> : ContentView<T>
public ListViewItem(ListView<TParentDataContext, T> parent)
{
Parent = parent;
RerenderProperties.Add(nameof(IsSelected));
}

2
src/Library/TerminalUI/Controls/Rectangle.cs
View File

@@ -5,7 +5,7 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
public partial class Rectangle<T> : View<T>, IDisplayView
public sealed partial class Rectangle<T> : View<Rectangle<T>, T>, IDisplayView
{
private record RenderState(
Position Position,

9
src/Library/TerminalUI/Controls/StackPanel.cs
View File

@@ -4,7 +4,7 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
public partial class StackPanel<T> : ChildContainerView<T>, IVisibilityChangeHandler
public sealed partial class StackPanel<T> : ChildContainerView<StackPanel<T>, T>, IVisibilityChangeHandler
{
private readonly List<IView> _forceRerenderChildren = new();
private readonly object _forceRerenderChildrenLock = new();
@@ -41,7 +41,6 @@ public partial class StackPanel<T> : ChildContainerView<T>, IVisibilityChangeHan
protected override bool DefaultRenderer(in RenderContext renderContext, Position position, Size size)
{
var delta = 0;
var neededRerender = false;
IReadOnlyList<IView> forceRerenderChildren;
lock (_forceRerenderChildrenLock)
@@ -50,17 +49,21 @@ public partial class StackPanel<T> : ChildContainerView<T>, IVisibilityChangeHan
_forceRerenderChildren.Clear();
}
var delta = 0;
foreach (var child in Children)
{
if (!child.IsVisible) continue;
if (!_requestedSizes.TryGetValue(child, out var childSize)) throw new Exception("Child size not found");
var childPosition = Orientation == Orientation.Vertical
? position with {Y = position.Y + delta}
: position with {X = position.X + delta};
childSize = Orientation == Orientation.Vertical
? childSize with {Width = size.Width}
: childSize with {Height = size.Height};
var endX = position.X + size.Width;
var endY = position.Y + size.Height;

4
src/Library/TerminalUI/Controls/TextBlock.cs
View File

@@ -9,7 +9,7 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
[DebuggerDisplay("Text = {Text}")]
public partial class TextBlock<T> : View<T>, IDisplayView
public sealed partial class TextBlock<T> : View<TextBlock<T>, T>, IDisplayView
{
private record RenderState(
Position Position,
@@ -59,7 +59,7 @@ public partial class TextBlock<T> : View<T>, IDisplayView
Text,
foreground,
background);
if (!renderContext.ForceRerender && !NeedsRerender(renderState)) return false;
_lastRenderState = renderState;

85
src/Library/TerminalUI/Controls/TextBox.cs
View File

@@ -10,7 +10,7 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
[DebuggerDisplay("Text = {Text}")]
public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
public sealed partial class TextBox<T> : View<TextBox<T>, T>, IFocusable, IDisplayView
{
private record RenderState(
string? Text,
@@ -20,7 +20,6 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
IColor? BackgroundColor
);
private readonly List<Action<TextBox<T>, GeneralKeyEventArgs>> _keyHandlers = new();
private readonly List<Action<TextBox<T>, string>> _textHandlers = new();
private RenderState? _lastRenderState;
@@ -31,6 +30,7 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
private Position _relativeCursorPosition = new(0, 0);
[Notify] private bool _multiLine;
[Notify] private char? _passwordChar;
public bool SetKeyHandledIfKnown { get; set; }
public string Text
@@ -55,6 +55,7 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
_textLines = _text.Split(Environment.NewLine).ToList();
RerenderProperties.Add(nameof(Text));
RerenderProperties.Add(nameof(MultiLine));
RerenderProperties.Add(nameof(PasswordChar));
((INotifyPropertyChanged) this).PropertyChanged += OnPropertyChangedEventHandler;
}
@@ -115,12 +116,41 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
}
RenderEmpty(renderContext, position, size);
RenderText(_textLines, driver, position, size);
if (PasswordChar is { } passwordChar && !char.IsControl(passwordChar))
{
for (var i = 0; i < _textLines.Count; i++)
{
var pos = position with {Y = position.Y + i};
RenderPasswordTextLine(_textLines[i], passwordChar, driver, pos, size);
}
}
else
{
RenderText(_textLines, driver, position, size);
}
_cursorPosition = position + _relativeCursorPosition;
return true;
}
private void RenderPasswordTextLine(
string sourceText,
char passwordChar,
IConsoleDriver driver,
Position position,
Size size)
{
Span<char> text = stackalloc char[sourceText.Length];
for (var j = 0; j < text.Length; j++)
{
text[j] = passwordChar;
}
RenderText(text, driver, position, size);
}
private bool NeedsRerender(RenderState renderState)
=> _lastRenderState is null || _lastRenderState != renderState;
@@ -136,13 +166,22 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
consoleDriver.SetCursorPosition(_cursorPosition.Value);
}
public void HandleKeyInput(GeneralKeyEventArgs keyEventArgs)
public override void HandleKeyInput(GeneralKeyEventArgs keyEventArgs)
{
HandleKeyInputInternal(keyEventArgs);
if (keyEventArgs.Handled)
{
ApplicationContext?.RenderEngine.RequestRerender(this);
}
else
{
var view = VisualParent;
while (view != null && !keyEventArgs.Handled)
{
view.HandleKeyInput(keyEventArgs);
view = view.VisualParent;
}
}
}
private void HandleKeyInputInternal(GeneralKeyEventArgs keyEventArgs)
@@ -158,11 +197,14 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
if (!known && HandleNavigation(keyEventArgs, out known))
return;
if (!known && ProcessKeyHandlers(keyEventArgs))
return;
if (!known)
{
ProcessKeyHandlers(keyEventArgs);
if (keyEventArgs.Handled) return;
}
if (!known
&& keyEventArgs.KeyChar != '\0'
&& !char.IsControl(keyEventArgs.KeyChar)
&& keyEventArgs.KeyChar.ToString() is {Length: 1} keyString)
{
var y = _relativeCursorPosition.Y;
@@ -172,6 +214,12 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
keyEventArgs.Handled = true;
UpdateTextField();
return;
}
if (!known)
{
ProcessParentKeyHandlers(keyEventArgs);
}
}
@@ -294,29 +342,6 @@ public partial class TextBox<T> : View<T>, IFocusable, IDisplayView
return false;
}
private bool ProcessKeyHandlers(GeneralKeyEventArgs keyEventArgs)
{
foreach (var keyHandler in _keyHandlers)
{
keyHandler(this, keyEventArgs);
if (keyEventArgs.Handled) return true;
}
return false;
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
_keyHandlers.Clear();
}
public TextBox<T> WithKeyHandler(Action<TextBox<T>, GeneralKeyEventArgs> keyHandler)
{
_keyHandlers.Add(keyHandler);
return this;
}
public TextBox<T> WithTextHandler(Action<TextBox<T>, string> textChanged)
{
_textHandlers.Add(textChanged);

60
src/Library/TerminalUI/Controls/View.cs
View File

@@ -2,6 +2,7 @@
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using GeneralInputKey;
using PropertyChanged.SourceGenerator;
using TerminalUI.Color;
using TerminalUI.ConsoleDrivers;
@@ -12,9 +13,10 @@ namespace TerminalUI.Controls;
public delegate string TextTransformer(string text, Position position, Size size);
public abstract partial class View<T> : IView<T>
public abstract partial class View<TConcrete, T> : IView<T> where TConcrete : View<TConcrete, T>
{
private readonly List<IDisposable> _disposables = new();
private readonly ReadOnlyObservableCollection<IView> _readOnlyVisualChildren;
[Notify] private T? _dataContext;
[Notify] private int? _minWidth;
[Notify] private int? _maxWidth;
@@ -33,7 +35,9 @@ public abstract partial class View<T> : IView<T>
[Notify] private bool _attached;
[Notify] private IView? _visualParent;
protected List<Action<TConcrete, GeneralKeyEventArgs>> KeyHandlers { get; } = new();
protected ObservableCollection<IView> VisualChildren { get; } = new();
ReadOnlyObservableCollection<IView> IView.VisualChildren => _readOnlyVisualChildren;
public List<object> Extensions { get; } = new();
public RenderMethod RenderMethod { get; set; }
@@ -43,6 +47,7 @@ public abstract partial class View<T> : IView<T>
protected View()
{
RenderMethod = DefaultRenderer;
_readOnlyVisualChildren = new ReadOnlyObservableCollection<IView>(VisualChildren);
RerenderProperties.Add(nameof(Width));
RerenderProperties.Add(nameof(MinWidth));
@@ -245,6 +250,27 @@ public abstract partial class View<T> : IView<T>
}
}
protected void RenderText(
in ReadOnlySpan<char> text,
IConsoleDriver driver,
Position position,
Size size)
{
for (var i = 0; i < size.Height; i++)
{
var currentPosition = position with {Y = position.Y + i};
var finalText = text;
if (finalText.Length > size.Width)
{
finalText = finalText[..size.Width];
}
driver.SetCursorPosition(currentPosition);
driver.Write(finalText);
}
}
protected void RenderText(
char content,
IConsoleDriver driver,
@@ -367,7 +393,39 @@ public abstract partial class View<T> : IView<T>
arrayPool.Return(disposables, true);
_disposables.Clear();
KeyHandlers.Clear();
Disposed?.Invoke(this);
}
}
public virtual void HandleKeyInput(GeneralKeyEventArgs keyEventArgs)
{
ProcessKeyHandlers(keyEventArgs);
ProcessParentKeyHandlers(keyEventArgs);
}
protected void ProcessKeyHandlers(GeneralKeyEventArgs keyEventArgs)
{
foreach (var keyHandler in KeyHandlers)
{
keyHandler((TConcrete)this, keyEventArgs);
if (keyEventArgs.Handled) return;
}
}
protected void ProcessParentKeyHandlers(GeneralKeyEventArgs keyEventArgs)
{
if (VisualParent is { } parent)
{
parent.HandleKeyInput(keyEventArgs);
}
}
public TConcrete WithKeyHandler(Action<TConcrete, GeneralKeyEventArgs> keyHandler)
{
KeyHandlers.Add(keyHandler);
return (TConcrete)this;
}
}

15
src/Library/TerminalUI/FocusManager.cs
View File

@@ -10,9 +10,20 @@ public class FocusManager : IFocusManager
{
get
{
if (_focused is not null && !_focused.IsVisible)
if (_focused is not null)
{
_focused = null;
var visible = _focused.IsVisible;
var parent = _focused.VisualParent;
while (parent != null)
{
visible &= parent.IsVisible;
parent = parent.VisualParent;
}
if (!visible)
{
_focused = null;
}
}
return _focused;

1
src/Library/TerminalUI/TerminalUI.csproj
View File

@@ -9,6 +9,7 @@
<ItemGroup>
<ProjectReference Include="..\..\AppCommon\FileTime.App.Core.Abstraction\FileTime.App.Core.Abstraction.csproj" />
<ProjectReference Include="..\DeclarativeProperty\DeclarativeProperty.csproj" />
<ProjectReference Include="..\ObservableComputations.Extensions\ObservableComputations.Extensions.csproj" />
</ItemGroup>
<ItemGroup>