using System;
using Cambro.Web.QuickAdmin;
using System.Web.UI.WebControls;
using System.Web.UI;


namespace SpecialDate
{
	public class EditDateSpecial : EditControl, IDate, IResetable, IBindable, ILocal
	{

		private DropDownList Months;
		private DropDownList Years;
		public int StartYear = 1900;
		public int EndYear = 2010;
		private Calendar Cal;
		public DateTime StartDate;
		private string RealValue;


		public EditDateSpecial() : base()
		{
			Cal = new Calendar();
			Months = new DropDownList();
			Years = new DropDownList();
			Months.SelectedIndexChanged += new EventHandler(ChangeMonths);
			Years.SelectedIndexChanged += new EventHandler(ChangeYears);
			Months.AutoPostBack = true;
			Years.AutoPostBack = true;
			this.Controls.Add(new LiteralControl("<P>"));
			this.Controls.Add(Months);
			this.Controls.Add(Years);
			this.Controls.Add(new LiteralControl("<BR>"));
			this.Controls.Add(Cal);
			this.Controls.Add(new LiteralControl("</P>"));
			AddYears();
			AddMonths();
		}	

		public new string textValue
		{
			get { return Cal.SelectedDate.ToString(); }
			set { Cal.SelectedDate = System.DateTime.Parse(value); }
		}

		public new void Bind(string bound)
		{
			try
			{
				if (bound == null || bound == "")
				{
					if (StartDate == new DateTime(0001,01,01))
					{
						Cal.TodaysDate = System.DateTime.Now;
						Cal.SelectedDate = new DateTime(0001,01,01);
					}
					else
					{
						Cal.TodaysDate = StartDate;
					}
					RealValue = bound;
				}
				else
				{
					Cal.SelectedDate = System.DateTime.Parse(bound);
					Cal.TodaysDate = System.DateTime.Parse(bound);
				}
			}
			catch{}
			try
			{
				this.Months.Items.FindByValue(Cal.SelectedDate.Month.ToString());
				this.Years.Items.FindByValue(Cal.SelectedDate.Year.ToString());
			}
			catch{}
		}

		public void ChangeMonths(object o, EventArgs e)
		{
			Cal.TodaysDate = new DateTime(Cal.TodaysDate.Year,System.Int32.Parse(Months.SelectedItem.Value),Cal.TodaysDate.Day);
		}

		public void ChangeYears(object o, EventArgs e)
		{
			Cal.TodaysDate = new DateTime(System.Int32.Parse(Years.SelectedItem.Text),Cal.TodaysDate.Month,Cal.TodaysDate.Day);
		}

		private void AddMonths()
		{
			Months.Items.Add(new ListItem("January","1"));
			Months.Items.Add(new ListItem("February","2"));
			Months.Items.Add(new ListItem("March","3"));
			Months.Items.Add(new ListItem("April","4"));
			Months.Items.Add(new ListItem("May","5"));
			Months.Items.Add(new ListItem("June","6"));
			Months.Items.Add(new ListItem("July","7"));
			Months.Items.Add(new ListItem("August","8"));
			Months.Items.Add(new ListItem("September","9"));
			Months.Items.Add(new ListItem("October","10"));
			Months.Items.Add(new ListItem("November","11"));
			Months.Items.Add(new ListItem("December","12"));
			Months.Items.FindByValue(Cal.TodaysDate.Month.ToString()).Selected = true;
		}

		private void AddYears()
		{
			int Counter = StartYear;
			while (Counter <= EndYear)
			{
				Years.Items.Add(new ListItem(Counter.ToString(),Counter.ToString()));
				Counter++;
			}
			Years.Items.FindByText(Cal.TodaysDate.Year.ToString()).Selected = true;
		}

		protected override void Render(HtmlTextWriter w)
		{
			if (this.ParentAdmin.AdminMode == Admin.Mode.Edit && Editable == true || this.ParentAdmin.AdminMode == Admin.Mode.Add && Addable == true)
			{
				w.Write("<tr><td class=lefttitle>" +Title+ "</td><td class=rightvalues>");
				base.Render(w);
				w.Write("</td></tr>");
			}
			else
			{
				w.Write("<tr><td class=lefttitle>" +Title+ "</td><td class=rightvalues>");
				try
				{
					if ((RealValue == null || RealValue == "") && Cal.SelectedDate == new DateTime(0001,01,01))
						w.Write("[null]");
					else if (Cal.SelectedDate != new DateTime(0001,01,01))
						w.Write(Cal.SelectedDate.ToShortDateString());
				}
				catch{}
				w.Write("</td></tr>");
			}
		}
	}

}