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Refactor SelectedTab to DeclarativeProperty

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This commit is contained in:
Ádám Kovács
2023-08-02 09:43:38 +02:00
parent a97432e9c7
commit c2fbc32159
7 changed files with 44 additions and 32 deletions
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14
src/Library/DeclarativeProperty/CollectionRepeaterProperty.cs
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@@ -7,16 +7,25 @@ public class CollectionRepeaterProperty<TCollection, TItem> : DeclarativePropert
{
private TCollection? _currentCollection;
public CollectionRepeaterProperty(IDeclarativeProperty<TCollection?> from)
public CollectionRepeaterProperty(IDeclarativeProperty<TCollection?> from) : base(from.Value)
{
_currentCollection = from.Value;
if (from.Value is { } value)
{
value.CollectionChanged += HandleCollectionChanged;
}
AddDisposable(from.Subscribe(Handle));
}
public CollectionRepeaterProperty(TCollection? collection) : base(collection)
{
ArgumentNullException.ThrowIfNull(collection);
_currentCollection = collection;
collection.CollectionChanged += HandleCollectionChanged;
}
private void HandleCollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
{
var t = Task.Run(async () => await NotifySubscribersAsync(Value));
@@ -29,7 +38,8 @@ public class CollectionRepeaterProperty<TCollection, TItem> : DeclarativePropert
{
currentCollection.CollectionChanged -= HandleCollectionChanged;
}
if (collection is {} newCollection)
if (collection is { } newCollection)
{
newCollection.CollectionChanged -= HandleCollectionChanged;
newCollection.CollectionChanged += HandleCollectionChanged;

13
src/Library/DeclarativeProperty/DeclarativePropertyExtensions.cs
View File

@@ -69,6 +69,19 @@ public static class DeclarativePropertyExtensions
this IDeclarativeProperty<TCollection?> collection)
where TCollection : IList<TItem>, INotifyCollectionChanged
=> new CollectionRepeaterProperty<TCollection?, TItem>(collection);
public static IDeclarativeProperty<TCollection?> Watch<TCollection, TItem>(
this TCollection collection)
where TCollection : IList<TItem>, INotifyCollectionChanged
=> new CollectionRepeaterProperty<TCollection?, TItem>(collection);
public static IDeclarativeProperty<ObservableCollection<TItem>?> Watch<TItem>(
this ObservableCollection<TItem> collection)
=> new CollectionRepeaterProperty<ObservableCollection<TItem>?, TItem>(collection);
public static IDeclarativeProperty<ReadOnlyObservableCollection<TItem>?> Watch<TItem>(
this ReadOnlyObservableCollection<TItem> collection)
=> new CollectionRepeaterProperty<ReadOnlyObservableCollection<TItem>?, TItem>(collection);
public static IDeclarativeProperty<TResult?> CombineLatest<T1, T2, TResult>(