protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (string.IsNullOrWhiteSpace(ShowTo.Id))
{
if (!rendered)
{
await Task.Delay(100);
}
return;
}
if (rendered)
{
return;
}
rendered = true;
var showToRect = await ShowTo.Dom(JSRuntime).GetBoundingClientRectAsync();
var containerRect = await container.Dom(JSRuntime).GetBoundingClientRectAsync();
popupLayerOption = new PopupLayerOption();
popupLayerOption.Content = ChildContent;
switch (Position)
{
case ShowToPosition.Bottom:
popupLayerOption.Position = new System.Drawing.PointF()
{
X = (showToRect.X + showToRect.Width - containerRect.Width) / 2,
Y = showToRect.Y + showToRect.Height
};
break;
case ShowToPosition.Top:
popupLayerOption.Position = new System.Drawing.PointF()
{
X = (showToRect.X + showToRect.Width - containerRect.Width) / 2,
Y = showToRect.Y - 32 /*按钮高度*/
};
break;
}
ChildContent = null;
MarkAsRequireRender();
StateHasChanged();
popupService.PopupLayerOptions.Add(popupLayerOption);
}
