protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
RotationImage image = (RotationImage)sender;
newRotation = (float)image.NextRotation;
if (Control != null)
{
Animate(0.5, () =>
{
nfloat angle = (nfloat)((newRotation * Math.PI) / 180);
Transform = CGAffineTransform.MakeRotation(angle);
});
}
}
// 删除
public IActionResult DeleteRotationImages(int?code)
{
var Aid = HttpContext.Session.GetString("Aid");
if (Aid == null)
{
return(RedirectToAction("Login", "Login"));
}
if (code == null)
{
return(Content("500"));
}
RotationImage rotationImage = _context.RotationImage.FirstOrDefault(u => u.RotationImageCode == code);
_context.RotationImage.Remove(rotationImage);
_context.SaveChanges();
return(Content("200"));
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
RotationImage image = (RotationImage)sender;
float newRotation = (float)(image.NextRotation % 360);
if (Control != null)
{
RotateAnimation animation = new RotateAnimation((float)currentDegree, (float)newRotation,
Dimension.RelativeToSelf, 0.5f, Dimension.RelativeToSelf,
0.5f);
animation.Duration = 250;
animation.FillAfter = true;
Control.StartAnimation(animation);
currentDegree = (float)newRotation;
}
}
//添加动作
public async Task <IActionResult> RotationImagesCreates(string RotationImagesUrl, string RotationImagesJumpUrl)
{
var Aid = HttpContext.Session.GetString("Aid");
if (Aid == null)
{
return(RedirectToAction("Login", "Login"));
}
if (RotationImagesUrl != null)
{
if (_context.RotationImage.Where(a => a.RotationImageUrl == RotationImagesUrl).Count() == 0)
{
if (_context.RotationImage.Where(a => a.RotationImageJumpUrl == RotationImagesJumpUrl).Count() == 0)
{
try
{
var rotationImage = new RotationImage
{
RotationImageUrl = RotationImagesUrl,
RotationImageJumpUrl = RotationImagesJumpUrl,
};
_context.Add(rotationImage);
await _context.SaveChangesAsync();
return(Content("200"));
}
catch (DbUpdateConcurrencyException)
{
return(Content("404"));
}
}
else
{
return(Content("201"));
}
}
else
{
return(Content("201"));
}
}
return(Content("500"));
}
