using System;
using Foundation;
using Shared.IO;
using UIKit;

namespace Shared
{
	/// <summary>
	/// ImageView 
	/// </summary>
	public class ImageView : View
    {
        MyImageView myImageView
        {
            get
            {
                return uiView as MyImageView;
            }
            set
            {
                uiView = value;
            }
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="Shared.Button"/> class.
        /// </summary>
        public ImageView()
        {
            myImageView = new MyImageView(this);
        }

		internal string imagePath, tempImagePath;
		/// <summary>
		/// 非选中状态的背景图路径
		/// </summary>
		/// <value>The un selected image path.</value>
		public string ImagePath
		{
			get
			{
				return imagePath;
			}
			set
			{
				tempImagePath = value;
				if (!IsCanRefresh || ImagePath == value)
				{
					return;
				}
				imagePath = value;
				myImageView.SetBackgroundImage(UIImage.FromFile(FileUtils.GetImageFilePath(imagePath)), UIControlState.Normal);
			}
		}

		public override void Refresh()
		{
			base.Refresh();
			ImagePath = tempImagePath;
		}
    }

	class MyImageView : UIKit.UIButton
	{
		View _view;
		public MyImageView(View view)
		{
			_view = view;
		}

		/// <summary>
		/// 点击开始
		/// </summary>
		/// <param name="touches">Touches.</param>
		/// <param name="evt">Evt.</param>
		public override void TouchesBegan(NSSet touches, UIEvent evt)
		{
			//base.TouchesBegan(touches, evt);
			UITouch touch = touches.AnyObject as UITouch;
			_view.TouchEvent(EventActions.Down, touch.LocationInView(this));
		}
		/// <summary>
		///  移动
		/// </summary>
		/// <param name="touches">Touches.</param>
		/// <param name="evt">Evt.</param>
		public override void TouchesMoved(NSSet touches, UIEvent evt)
		{
			//base.TouchesMoved(touches, evt);
			UITouch touch = touches.AnyObject as UITouch;
			_view.TouchEvent(EventActions.Move, touch.LocationInView(this));
		}

		/// <summary>
		/// 点击弹起
		/// </summary>
		/// <param name="touches">Touches.</param>
		/// <param name="evt">Evt.</param>
		public override void TouchesEnded(NSSet touches, UIEvent evt)
		{
			//base.TouchesEnded(touches, evt);
			UITouch touch = touches.AnyObject as UITouch;
			_view.TouchEvent(EventActions.Up, touch.LocationInView(this));
		}
	}
}