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WIP: undo redo

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This commit is contained in:
rabbitism
2024-01-31 01:11:25 +08:00
parent 93029b47e3
commit 553d413202
2 changed files with 23 additions and 11 deletions
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27
src/Ursa/Controls/ControlClassesInput/ControlClassesInput.cs
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@@ -74,13 +74,13 @@ public class ControlClassesInput: TemplatedControl
var newValue = args.NewValue.Value;
if (newValue is null)
{
SaveHistory(new List<string>());
SaveHistory(new List<string>(), true);
return;
}
else
{
var classes = newValue.Where(a => !string.IsNullOrWhiteSpace(a)).Distinct().ToList();
SaveHistory(classes);
SaveHistory(classes, true);
if (newValue is INotifyCollectionChanged incc)
{
incc.CollectionChanged+=InccOnCollectionChanged;
@@ -91,20 +91,20 @@ public class ControlClassesInput: TemplatedControl
private void InccOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
SaveHistory(TargetClasses?.ToList() ?? new List<string>());
SaveHistory(TargetClasses?.ToList() ?? new List<string>(), true);
}
private void SaveHistory(List<string> strings)
private void SaveHistory(List<string> strings, bool fromInput)
{
_history.AddLast(strings);
if (_history.Count > CountOfHistoricalRecord)
{
_history.RemoveFirst();
}
SetClassesToTarget();
SetClassesToTarget(fromInput);
}
private void SetClassesToTarget()
private void SetClassesToTarget(bool fromInput)
{
List<string> strings;
if (_history.Count == 0)
@@ -115,6 +115,11 @@ public class ControlClassesInput: TemplatedControl
{
strings = _history.Last.Value;
}
if (!fromInput)
{
SetCurrentValue(TargetClassesProperty, new ObservableCollection<string>(strings));
}
if (Target is not null)
{
Target.Classes.Replace(strings);
@@ -130,8 +135,8 @@ public class ControlClassesInput: TemplatedControl
var node = _history.Last;
_history.RemoveLast();
_undoHistory.AddFirst(node);
SetCurrentValue(TargetClassesProperty, new AvaloniaList<string>(node.Value));
SetClassesToTarget();
SetCurrentValue(TargetClassesProperty, new ObservableCollection<string>(node.Value));
SetClassesToTarget(false);
}
public void Redo()
@@ -139,12 +144,12 @@ public class ControlClassesInput: TemplatedControl
var node = _undoHistory.First;
_undoHistory.RemoveFirst();
_history.AddLast(node);
SetCurrentValue(TargetClassesProperty, new AvaloniaList<string>(node.Value));
SetClassesToTarget();
SetCurrentValue(TargetClassesProperty, new ObservableCollection<string>(node.Value));
SetClassesToTarget(false);
}
public void Clear()
{
SaveHistory(new List<string>());
SaveHistory(new List<string>(), false);
}
}