using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UIKit;
using Foundation;
using Shared.IO;
using CoreGraphics;

namespace Shared
{
	/// <summary>
	/// Button 按键
	/// </summary>
	public class DateView : View
	{
		MyUIDatePicker myUIDatePicker
		{
			get
			{
				return uiView as MyUIDatePicker;
			}
			set
			{
				uiView = value;
			}
		}


		/// <summary>
		/// 年
		/// </summary>
		public int Year
		{
			get
			{
				return (int)myUIDatePicker.current.Year;
			}
		}
		/// <summary>
		/// 月
		/// </summary>
		public int Month
		{
			get { return (int)myUIDatePicker.current.Month; }
		}
		/// <summary>
		/// 天
		/// </summary>
		public int Day
		{
			get { return (int)myUIDatePicker.current.Day; }
		}

		/// <summary>
		/// Initializes a new instance of the <see cref="Shared.DateView"/> class.
		/// </summary>
		public DateView()
		{
			myUIDatePicker = new MyUIDatePicker(this) { };
            
        }

		class MyUIDatePicker : UIDatePicker
		{
            [Weak] DateView dateView;
			public MyUIDatePicker(DateView dateView)
			{
                this.dateView = dateView;
                Mode = UIDatePickerMode.Date;
			}

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

            public override void TouchesCancelled(NSSet touches, UIEvent evt)
            {
                dateView?.TouchEvent(EventActions.Cancel, (touches.AnyObject as UITouch).LocationInView(this));
            }

            /// <summary>
            /// 当前时间对象
            /// </summary>
            /// <value>The current.</value>
            public NSDateComponents current
			{
				get
				{
					NSCalendar cal = NSCalendar.CurrentCalendar;
					return cal.Components(NSCalendarUnit.Year | NSCalendarUnit.Month | NSCalendarUnit.Day, Date);// [cal components: unitFlags fromDate: now]
				}
			}

		}
	}
}