using HeBianGu.Base.WpfBase;
using HeBianGu.Control.Explorer;
using Hopetry.Provider.Behaviors;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace HeBianGu.App.Disk
{
    /// <summary>
    /// ExplorerControl.xaml 的交互逻辑
    /// </summary>
    public partial class ExplorerControl : UserControl
    {
        public ExplorerControl()
        {
            InitializeComponent();
            this.Loaded += OnLoaded;
        }
        private void OnLoaded(object sender, RoutedEventArgs e)
        {
            // 查找h:Explorer控件
            var explorer = FindVisualChild<Explorer>(this);

            if (explorer != null && this.DataContext is LoyoutViewModel viewModel)
            {
                // 获取ExplorerBehavior并传递给ViewModel
                var behavior = Interaction.GetBehaviors(explorer)
                    .OfType<ExplorerMinIOBehavior>()
                    .FirstOrDefault();

                viewModel.SetExplorerBehavior(behavior);
            }
        }

        // 辅助方法：在可视化树中查找指定类型的子元素
        private static T FindVisualChild<T>(DependencyObject parent) where T : DependencyObject
        {
            if (parent == null) return null;

            for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
            {
                var child = VisualTreeHelper.GetChild(parent, i);
                if (child is T result)
                {
                    return result;
                }

                var childResult = FindVisualChild<T>(child);
                if (childResult != null)
                {
                    return childResult;
                }
            }
            return null;
        }

    }
}