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fix: fix tag input item update issue.

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This commit is contained in:
rabbitism
2023-06-30 23:49:35 +08:00
parent 518a825af3
commit e44352db0a
1 changed files with 45 additions and 3 deletions
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48
src/Ursa/Controls/TagInput/TagInput.cs
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@@ -1,5 +1,6 @@
using System.Collections;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using Avalonia;
using Avalonia.Collections;
using Avalonia.Controls;
@@ -137,6 +138,7 @@ public class TagInput : TemplatedControl
private void OnTagsPropertyChanged(AvaloniaPropertyChangedEventArgs args)
{
var newTags = args.GetNewValue<IList<string>>();
var oldTags = args.GetOldValue<IList<string>>();
for (int i = 0; i < Items.Count - 1; i++)
{
Items.RemoveAt(Items.Count - 1);
@@ -146,6 +148,46 @@ public class TagInput : TemplatedControl
{
Items.Insert(Items.Count - 1, newTags[i]);
}
if (oldTags is INotifyCollectionChanged inccold)
{
inccold.CollectionChanged-= OnCollectionChanged;
}
if (Tags is INotifyCollectionChanged incc)
{
incc.CollectionChanged += OnCollectionChanged;
}
}
private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
var items = e.NewItems;
int index = e.NewStartingIndex;
foreach (var item in items)
{
if (item is string s)
{
Items.Insert(index, s);
index++;
}
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
var items = e.OldItems;
int index = e.OldStartingIndex;
foreach (var item in items)
{
if (item is string s)
{
Items.RemoveAt(index);
}
}
}
}
private void OnTextBoxKeyDown(object? sender, KeyEventArgs args)
@@ -173,7 +215,7 @@ public class TagInput : TemplatedControl
for (int i = 0; i < values.Length; i++)
{
int index = Items.Count - 1;
Items.Insert(index, values[i]);
// Items.Insert(index, values[i]);
Tags.Insert(index, values[i]);
}
@@ -189,7 +231,7 @@ public class TagInput : TemplatedControl
return;
}
int index = Items.Count - 2;
Items.RemoveAt(index);
// Items.RemoveAt(index);
Tags.RemoveAt(index);
}
}
@@ -204,7 +246,7 @@ public class TagInput : TemplatedControl
int? index = _itemsControl?.IndexFromContainer(presenter);
if (index is >= 0 && index < Items.Count - 1)
{
Items.RemoveAt(index.Value);
// Items.RemoveAt(index.Value);
Tags.RemoveAt(index.Value);
}
}