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This commit is contained in:
Ádám Kovács
2023-08-14 16:42:22 +02:00
parent 2a595b2548
commit 8aa8d83598
25 changed files with 610 additions and 348 deletions
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16
src/Library/TerminalUI/Controls/ItemsControl.cs
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@@ -6,7 +6,7 @@ using TerminalUI.Traits;
namespace TerminalUI.Controls;
public sealed partial class ItemsControl<TDataContext, TItem>
public sealed partial class ItemsControl<TDataContext, TItem>
: View<ItemsControl<TDataContext, TItem>, TDataContext>, IVisibilityChangeHandler
{
private readonly List<IView> _forceRerenderChildren = new();
@@ -17,7 +17,7 @@ public sealed partial class ItemsControl<TDataContext, TItem>
private object? _itemsSource;
[Notify] private Orientation _orientation = Orientation.Vertical;
public Func<IView<TItem>?> ItemTemplate { get; set; } = DefaultItemTemplate;
public Func<IView<TItem>> ItemTemplate { get; set; } = DefaultItemTemplate;
public IReadOnlyList<IView<TItem>> Children => _children.AsReadOnly();
@@ -41,7 +41,6 @@ public sealed partial class ItemsControl<TDataContext, TItem>
var consumer = new OcConsumer();
_children = observableDeclarative
.Selecting(i => CreateItem(i))
.OfTypeComputing<IView<TItem>>()
.For(consumer);
_itemsDisposables.Add(consumer);
}
@@ -50,16 +49,15 @@ public sealed partial class ItemsControl<TDataContext, TItem>
var consumer = new OcConsumer();
_children = readOnlyObservableDeclarative
.Selecting(i => CreateItem(i))
.OfTypeComputing<IView<TItem>>()
.For(consumer);
_itemsDisposables.Add(consumer);
}
else if (_itemsSource is ICollection<TItem> collection)
_children = collection.Select(CreateItem).OfType<IView<TItem>>().ToList();
_children = collection.Select(CreateItem).ToList();
else if (_itemsSource is TItem[] array)
_children = array.Select(CreateItem).OfType<IView<TItem>>().ToList();
_children = array.Select(CreateItem).ToList();
else if (_itemsSource is IEnumerable<TItem> enumerable)
_children = enumerable.Select(CreateItem).OfType<IView<TItem>>().ToList();
_children = enumerable.Select(CreateItem).ToList();
else if (value is null)
{
_children = new List<IView<TItem>>();
@@ -173,14 +171,14 @@ public sealed partial class ItemsControl<TDataContext, TItem>
return neededRerender;
}
private IView<TItem>? CreateItem(TItem dataContext)
private IView<TItem> CreateItem(TItem dataContext)
{
var newItem = ItemTemplate();
AddChild(newItem, _ => dataContext);
return newItem;
}
private static IView<TItem>? DefaultItemTemplate() => null;
private static IView<TItem> DefaultItemTemplate() => new TextBlock<TItem> {Text = typeof(TItem).ToString()};
public void ChildVisibilityChanged(IView child)
{