Wpf_AiSportsMicrospace/Wpf_AiSportsMicrospace/MyUserControl/ImageStateToVisibilityConverter.cs

using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media.Animation;

namespace Wpf_AiSportsMicrospace.MyUserControl
{
    public class ImageStateToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is string state && parameter is string target)
            {
                return state == target ? Visibility.Visible : Visibility.Collapsed;
            }
            return Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    public class MarginAnimationController
    {
        private Storyboard _storyboard;
        private FrameworkElement _targetElement;
        private ThicknessAnimation _thicknessAnimation;

        /// <summary>
        /// 初始化动画控制器
        /// </summary>
        /// <param name="targetElement">目标UI元素</param>
        public MarginAnimationController(FrameworkElement targetElement)
        {
            _targetElement = targetElement;
            InitializeAnimation();
        }

        private void InitializeAnimation()
        {
            // 创建厚度动画
            _thicknessAnimation = new ThicknessAnimation
            {
                Duration = TimeSpan.FromSeconds(1),
                FillBehavior = FillBehavior.HoldEnd
            };

            // 创建故事板
            _storyboard = new Storyboard();
            _storyboard.Children.Add(_thicknessAnimation);

            // 设置目标属性和目标对象
            Storyboard.SetTarget(_thicknessAnimation, _targetElement);
            Storyboard.SetTargetProperty(_thicknessAnimation, new PropertyPath(FrameworkElement.MarginProperty));
        }

        /// <summary>
        /// 开始动画
        /// </summary>
        /// <param name="targetMargin">目标边距</param>
        /// <param name="durationMs">动画时长（毫秒）</param>
        /// <param name="easingFunction">缓动函数</param>
        public void StartAnimation(Thickness targetMargin, int durationMs = 1000, IEasingFunction easingFunction = null)
        {
            // 设置动画参数
            _thicknessAnimation.To = targetMargin;
            _thicknessAnimation.Duration = TimeSpan.FromMilliseconds(durationMs);

            if (easingFunction != null)
            {
                _thicknessAnimation.EasingFunction = easingFunction;
            }

            // 开始动画
            _storyboard.Begin();
        }

        /// <summary>
        /// 开始从当前值到目标值的动画
        /// </summary>
        public void StartAnimationFromCurrent(Thickness targetMargin, int durationMs = 1000)
        {
            _thicknessAnimation.From = null; // 从当前值开始
            _thicknessAnimation.To = targetMargin;
            _thicknessAnimation.Duration = TimeSpan.FromMilliseconds(durationMs);

            _storyboard.Begin();
        }

        /// <summary>
        /// 开始从指定值到目标值的动画
        /// </summary>
        public void StartAnimationFromTo(Thickness fromMargin, Thickness toMargin, int durationMs = 1000)
        {
            _thicknessAnimation.From = fromMargin;
            _thicknessAnimation.To = toMargin;
            _thicknessAnimation.Duration = TimeSpan.FromMilliseconds(durationMs);

            _storyboard.Begin();
        }

        /// <summary>
        /// 停止动画
        /// </summary>
        public void StopAnimation()
        {
            _storyboard.Stop();
        }

        /// <summary>
        /// 暂停动画
        /// </summary>
        public void PauseAnimation()
        {
            _storyboard.Pause();
        }

        /// <summary>
        /// 恢复动画
        /// </summary>
        public void ResumeAnimation()
        {
            _storyboard.Resume();
        }

        /// <summary>
        /// 设置动画完成回调
        /// </summary>
        public void SetCompletedCallback(EventHandler callback)
        {
            _storyboard.Completed += callback;
        }

        /// <summary>
        /// 移除动画完成回调
        /// </summary>
        public void RemoveCompletedCallback(EventHandler callback)
        {
            _storyboard.Completed -= callback;
        }

        /// <summary>
        /// 检查动画是否正在运行
        /// </summary>
        public bool IsAnimating => _storyboard.GetCurrentState() == ClockState.Active;

        /// <summary>
        /// 设置缓动函数
        /// </summary>
        public void SetEasingFunction(IEasingFunction easingFunction)
        {
            _thicknessAnimation.EasingFunction = easingFunction;
        }
    }
}