using System;
using System.Collections.Generic;

using System.Windows;


namespace C4IT_CustomerPanel.libs
{
    class visualHelper
    {
       
        public static List<T> GetLogicalChildCollection<T>(object parent) where T : DependencyObject
        {
            List<T> logicalCollection = new List<T>();
            GetLogicalChildCollection(parent as DependencyObject, logicalCollection);
            return logicalCollection;
        }
        private static void GetLogicalChildCollection<T>(DependencyObject parent, List<T> logicalCollection) where T : DependencyObject
        {
            System.Collections.IEnumerable children = LogicalTreeHelper.GetChildren(parent);
            foreach (object child in children)
            {
                if (child is DependencyObject)
                {
                    DependencyObject depChild = child as DependencyObject;
                    if (child is T)
                    {
                        logicalCollection.Add(child as T);
                    }
                    GetLogicalChildCollection(depChild, logicalCollection);
                }
            }
        }

        public static T FindVisualChild<T>(DependencyObject parent, string Tag = null) where T : DependencyObject

        {
            try
            {
                var Cnt = System.Windows.Media.VisualTreeHelper.GetChildrenCount(parent);
                for (int i = 0; i < Cnt ; i++)
                {
                    DependencyObject child = System.Windows.Media.VisualTreeHelper.GetChild(parent, i);
                    string _Tag = (child as FrameworkElement)?.Tag as string;

                    if (child is T visualChild && (Tag == null || _Tag == Tag))
                    {
                        return visualChild;
                    }
                    else
                    {
                        T childOfChild = FindVisualChild<T>(child, Tag);

                        if (childOfChild != null)

                            return childOfChild;

                    }

                }
            }
            catch (Exception)
            {


            }
            return null;
        }

        public static Window GetMainWindow()
        {
            return Application.Current.MainWindow;
        }



        public static Window GetUserControlOwnerWindow(System.Windows.Forms.Control usercontrol)
        {
            return GetUserControlOwnerWindow(usercontrol.Parent);
        }

        // ******************************************************************
        public static Window GetUserControlOwnerWindow(DependencyObject parent)
        {
            while (parent != null && !(parent is Window))
            {
                parent = LogicalTreeHelper.GetParent(parent);
            }

            return parent as Window;
        }

    }
}