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OpenCloseWithTransitionComponentBase.cs
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OpenCloseWithTransitionComponentBase.cs
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using Ignis.Components.Web;
using Microsoft.AspNetCore.Components;
namespace Ignis.Components.HeadlessUI;
public abstract class OpenCloseWithTransitionComponentBase : FocusComponentBase, IOpenClose, IWithTransition
{
private ITransition? _transition;
private bool _isOpen;
/// <inheritdoc />
[Parameter]
public bool IsOpen
{
get => _isOpen;
set
{
if (value) Open();
else Close();
}
}
/// <inheritdoc />
[Parameter]
public EventCallback<bool> IsOpenChanged { get; set; }
[Inject] internal FrameTracker FrameTracker { get; set; } = null!;
/// <inheritdoc />
public void Open(Action? continueWith = null)
{
if (_isOpen || FrameTracker.IsPending)
{
if (_isOpen) continueWith?.Invoke();
return;
}
_ = IsOpenChanged.InvokeAsync(_isOpen = true);
if (_transition != null)
FrameTracker.ExecuteOnNextFrame(this, () => _transition.Show(() => OnAfterOpen(continueWith)));
else if (continueWith != null) FrameTracker.ExecuteOnNextFrame(this, () => OnAfterOpen(continueWith));
Update();
}
protected virtual void OnAfterOpen(Action? continueWith)
{
_ = UpdateTargetsAsync();
continueWith?.Invoke();
}
/// <inheritdoc />
public void Close(Action? continueWith = null)
{
if (!_isOpen || FrameTracker.IsPending)
{
if (!_isOpen) continueWith?.Invoke();
return;
}
if (_transition != null)
{
_transition.Hide(() => CloseCore(continueWith, true));
return;
}
CloseCore(continueWith);
}
private void CloseCore(Action? continueWith, bool async = false)
{
_ = IsOpenChanged.InvokeAsync(_isOpen = false);
if (continueWith != null) FrameTracker.ExecuteOnNextFrame(this, continueWith);
Update(async);
}
/// <inheritdoc />
public void SetTransition(ITransition transition)
{
_transition = transition ?? throw new ArgumentNullException(nameof(transition));
}
/// <inheritdoc />
public override async Task OnAfterRenderAsync()
{
FrameTracker.OnAfterRender();
await base.OnAfterRenderAsync();
}
}