YwxAppWpfBarrage/YwxAppWpfDanMu/Controls/DanMuItem.xaml.cs

using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using YwxAppWpfDanMu.Models;

namespace YwxAppWpfDanMu.Controls
{
    public partial class DanMuItem : UserControl
    {
        public DanMuMessage Message { get; private set; }

        public DanMuItem(DanMuMessage message)
        {
            InitializeComponent();
            Message = message;
            UpdateUI();
        }

        private void UpdateUI()
        {
            ContentText.Text = Message.Content;
            ContentText.Foreground = new SolidColorBrush(Message.Color);
            ContentText.FontSize = Message.FontSize;
            ContentText.FontFamily = Message.FontFamily;
            ContentText.FontWeight = Message.FontWeight;
            ContentText.FontStyle = Message.FontStyle;
            Opacity = Message.Opacity;

            if (!string.IsNullOrEmpty(Message.AvatarUrl))
            {
                // 实际项目中应该使用异步加载或缓存机制
                var image = new ImageSourceConverter().ConvertFromString(Message.AvatarUrl) as ImageSource;
                AvatarBrush.ImageSource = image;
            }
            else
            {
                AvatarBrush.ImageSource = null;
            }
        }

        protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
        {
            base.OnMouseLeftButtonUp(e);
            RaiseEvent(new RoutedEventArgs(ClickEvent));
        }

        public static readonly RoutedEvent ClickEvent = EventManager.RegisterRoutedEvent(
            "Click", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(DanMuItem));

        public event RoutedEventHandler Click
        {
            add { AddHandler(ClickEvent, value); }
            remove { RemoveHandler(ClickEvent, value); }
        }
    }
}