using System;
using System.Windows;
using System.Windows.Controls;

namespace Caliburn.Composition
{
    public class ItemsControlProxy : IComposite
    {
        protected ItemsControl _control;

        #region IComposite Members

        public object Target
        {
            get { return _control; }
            set { _control = value as ItemsControl; }
        }

        public int ComponentCount
        {
            get { return _control.Items.Count; }
        }

        public void SetVisiblity(Visibility visibility)
        {
            _control.Visibility = visibility;
        }

        public void Add(object element)
        {
            _control.Items.Add(element);
        }

        public void Remove(object element)
        {
            _control.Items.Remove(element);
        }

        public void Insert(int index, object element)
        {
            _control.Items.Insert(index, element);
        }

        public IComposite GetNode(string path)
        {
            string[] parts = path.Split(
                new char[] {'/', '.'},
                StringSplitOptions.RemoveEmptyEntries
                );

            ItemsControl found = _control;

            foreach(string subPath in parts)
            {
                foreach(object item in found.Items)
                {
                    ItemsControl control = item as ItemsControl;

                    if(control != null && control.Name == subPath)
                    {
                        found = control;
                        break;
                    }
                }
            }

            ItemsControlProxy builder = new ItemsControlProxy();
            builder.Target = found;
            return builder;
        }

        #endregion
    }
}