94 lines
3.3 KiB
C#
94 lines
3.3 KiB
C#
|
using AntdWpf.Controls;
|
|||
|
|
|
|||
|
|
namespace AntdWpf.Utils
|
|||
|
|
{
|
|||
|
|
using System;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Windows;
|
|||
|
|
using System.Windows.Media;
|
|||
|
|
using System.Windows.Media.Animation;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Provides the ability to spin for controls.
|
|||
|
|
/// Known defects:
|
|||
|
|
/// Using trigger to change control RenderTransform property will result in animation lose.
|
|||
|
|
/// Try adding the Spin property Setter after the RenderTransform property Setter for notification purposes.
|
|||
|
|
/// Example: Theme/Switch.xaml
|
|||
|
|
/// </summary>
|
|||
|
|
public static class Spinner
|
|||
|
|
{
|
|||
|
|
private const string storyBoardName = "AntdWpf.SpinnerStoryBoard";
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Start the spinning animation.
|
|||
|
|
/// </summary>
|
|||
|
|
public static void BeginSpin<T>(this T control, double seconds) where T : FrameworkElement, ISpinable
|
|||
|
|
{
|
|||
|
|
var transform = control.RenderTransform;
|
|||
|
|
control.SetCurrentValue(UIElement.RenderTransformOriginProperty, new Point(0.5, 0.5));
|
|||
|
|
TransformGroup transformGroup;
|
|||
|
|
|
|||
|
|
if (transform is TransformGroup)
|
|||
|
|
{
|
|||
|
|
if (!(((TransformGroup)transform).Children.FirstOrDefault() is RotateTransform))
|
|||
|
|
{
|
|||
|
|
transformGroup = (TransformGroup)transform.Clone();
|
|||
|
|
transformGroup.Children.Insert(0, new RotateTransform(0.0));
|
|||
|
|
control.SetCurrentValue(UIElement.RenderTransformProperty, transformGroup);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
transformGroup = new TransformGroup();
|
|||
|
|
|
|||
|
|
if (transform is RotateTransform)
|
|||
|
|
{
|
|||
|
|
transformGroup.Children.Add(transform);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
transformGroup.Children.Add(new RotateTransform(0.0));
|
|||
|
|
|
|||
|
|
if (transform != null && transform != Transform.Identity)
|
|||
|
|
{
|
|||
|
|
transformGroup.Children.Add(transform);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
control.SetCurrentValue(UIElement.RenderTransformProperty, transformGroup);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (!(control.Resources[storyBoardName] is Storyboard storyboard))
|
|||
|
|
{
|
|||
|
|
storyboard = new Storyboard();
|
|||
|
|
var animation = new DoubleAnimation
|
|||
|
|
{
|
|||
|
|
From = 0,
|
|||
|
|
To = 360,
|
|||
|
|
AutoReverse = false,
|
|||
|
|
Duration = TimeSpan.FromSeconds(seconds),
|
|||
|
|
RepeatBehavior = RepeatBehavior.Forever
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
Storyboard.SetTarget(animation, control);
|
|||
|
|
Storyboard.SetTargetProperty(animation,
|
|||
|
|
new PropertyPath("(0).(1)[0].(2)", UIElement.RenderTransformProperty,
|
|||
|
|
TransformGroup.ChildrenProperty, RotateTransform.AngleProperty));
|
|||
|
|
|
|||
|
|
storyboard.Children.Add(animation);
|
|||
|
|
control.Resources.Add(storyBoardName, storyboard);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
storyboard.Begin();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Stop the spinning animation.
|
|||
|
|
/// </summary>
|
|||
|
|
public static void StopSpin<T>(this T control) where T : FrameworkElement, ISpinable
|
|||
|
|
{
|
|||
|
|
(control.Resources[storyBoardName] as Storyboard)?.Stop();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|