using System;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

public partial class datepicker : System.Web.UI.UserControl
{
	protected System.Web.UI.WebControls.Label lblDate;

	private static string linkstyle = String.Empty;
	private static DateTime thedate = DateTime.MinValue;
	private static string defaulttext = "Select Date";

	protected void Page_Load(object sender, System.EventArgs e)
	{			
		//assign the href property to the link of the control
		lnkDatePick.HRef="Javascript:PickDate('" + this.ClientID.Replace(":","_") + "');";
		Image1.ImageUrl = "~/images/icon_calendar.gif";

		//if a date is specified, apply the value to the control
		if (SelectedDate != DateTime.MinValue)
		{
			DateValue.Value = SelectedDate.ToString("dd/MM/yyyy");
		}

		//call the function to add the javascript
		RegisterJavaScript();
	}

	public void RegisterJavaScript()
	{
		string ScriptString = @"
			<script language='javascript'>

			function PickDate(ControlName)
			{

				var DateValue = document.getElementById(ControlName + '_DateValue');
				var SelectedDate = DateValue.value;


				if (!document.all)
				{
					//NS
					window.open('#ROOT#datepicker_calendar.aspx?Frame=1&Date=' + SelectedDate + '&ControlID=' + ControlName, '_blank', 'toolbar=no, location=no, menubar=no, width=270, height=220, modal=yes');
				}
				else
				{
					//IE
					var DateArr = showModalDialog('#ROOT#datepicker_calendar.aspx?Date=' + SelectedDate + '&ControlID=' + ControlName,window,'dialogWidth:300px; dialogHeight:260px;help:0;status:0;resizeable:1;scroll:on;');

					//if there's a return value, assign it to the control
					if (DateArr != null)
					{
						DateValue.setAttribute('value', DateArr[""date""]);
					}
				}
			}

			//this function is used to handle the value returned from the netscape modal dialog
			function NSSetDate(DateArr, ControlName)
			{
				if (DateArr != null)
				{
					//strip all leading and trailing spaces
					var thisControl = ControlName.replace(" + "/" + @"^\s+" + "/" + @",'').replace(" + "/" + @"\s+$" + "/" + @",'');

					//get the elements within the DOM
					var DateValue = document.getElementById(thisControl + ""_DateValue"");

					//set the values
					DateValue.setAttribute('value', DateArr[""date""]);
				}
			}
			<" + "/" + "script>";


		//See if the client script block has been registered on the page
		//by another instance of the control
		if (!Page.IsClientScriptBlockRegistered("calendarScript"))
		{		
			Page.RegisterClientScriptBlock("calendarScript", ScriptString.Replace("#ROOT#",Global.root + "include/"));
		}

	}


	public DateTime SelectedDate
	{
		get
		{
			DateTime incomingdate = new DateTime();

			//enclose within a try/catch block to keep it from breaking
			//if an invalid date is contained within the hidden field
			try
			{
				//DateValue is the HTML  Input Control
				//where the selected value is stored
				incomingdate = DateTime.Parse(DateValue.Value);
			}
			catch
			{
				//set to a DateTime minimum value if not
				//able to assign the given date			
				//CommonV2.MessageLog.Error(DateValue.Value);
				incomingdate = DateTime.MinValue;					
			}

			return incomingdate;
		}
		set
		{
			//this sets the date in the private variable and
			//assigns the date to the hidden form field and the label
			thedate = value;
            DateValue.Value = thedate.ToString("dd/MM/yyyy");
		}
	}

	public string DefaultText
	{
		get
		{ return defaulttext; }

		set
		{ defaulttext = value; }
	}

	public string LinkStyle
	{
		get
		{ return linkstyle; }

		set
		{
			linkstyle = value;
			lnkDatePick.Attributes["style"] = value;
		}
	}

}