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Fix CodeInput Doesn't Work Properly When Pressed Backspace on Empty Component #621

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Merged
mckaragoz merged 1 commit into from
Apr 8, 2026
Merged

Fix CodeInput Doesn't Work Properly When Pressed Backspace on Empty Component #621

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48 changes: 33 additions & 15 deletions src/CodeBeam.MudBlazor.Extensions/Components/CodeInput/MudCodeInput.razor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,12 @@ private async Task OnInputHandler()
_skipInputEvent = false;
return;
}
await FocusNext();

var current = _elementReferences[_lastFocusedIndex];
var val = current.GetState(x => x.Value)?.ToString();

if (!string.IsNullOrEmpty(val))
await FocusNext();
}

/// <summary>
Expand All @@ -173,36 +178,49 @@ private async Task OnInputHandler()
protected async Task HandleKeyDown(KeyboardEventArgs arg)
{
if (Disabled || ReadOnly)
{
return;
}

if (arg.Key == "Backspace" || arg.Key == "ArrowLeft" || arg.Key == "Delete")
if (arg.Key == "Backspace")
{
_skipInputEvent = true;
_skipRefocus = true;
if (arg.Key == "Delete")
var current = _elementReferences[_lastFocusedIndex];
var currentValue = current.GetState(x => x.Value)?.ToString();

if (!string.IsNullOrEmpty(currentValue))
{
await _elementReferences[_lastFocusedIndex].Clear();
_skipInputEvent = true;
await current.Clear();
_skipInputEvent = false;
return;
}

_skipRefocus = true;

if (RuntimeLocation.IsClientSide)
{
await Task.Delay(10);
}

await FocusPrevious();
return;
}

if (arg.Key == "Delete")
{
_skipInputEvent = true;
await _elementReferences[_lastFocusedIndex].Clear();
_skipInputEvent = false;
return;
}

if (arg.Key == "ArrowLeft")
{
await FocusPrevious();
return;
}

if (arg.Key == "ArrowRight")
{
if (RuntimeLocation.IsClientSide)
{
await Task.Delay(10);
}
await FocusNext();
return;
}

}

private int _lastFocusedIndex = 0;
Expand Down
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