/**
 * Namespace: System.Web.UI.WebControls
 * Class:     Table
 *
 * Author:  Gaurav Vaish
 * Maintainer: gvaish@iitk.ac.in
 * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>
 * Implementation: yes
 * Status:  100%
 *
 * (C) Gaurav Vaish (2002)
 */

using System;
using System.Drawing;
using System.Globalization;
using System.Web;
using System.Web.UI;

namespace System.Web.UI.WebControls
{
	public class Table: WebControl
	{
		private TableRowCollection rows;
		
		private class TableRowControlCollection : ControlCollection
		{
			public TableRowControlCollection(Control owner): base(owner)
			{
			}
			
			public override void Add(Control child)
			{
				if(child is TableRow)
				{
					Add(child);
					return;
				}
				throw new ArgumentException(HttpRuntime.FormatResourceString("Cannot_Have_Children_Of_Type", "Table", child.GetType().Name.ToString()));
			}
			
			public override void AddAt(int index, Control child)
			{
				if(child is TableRow)
				{
					Add(child);
					return;
				}
				throw new ArgumentException(HttpRuntime.FormatResourceString("Cannot_Have_Children_Of_Type", "Table", child.GetType().Name.ToString()));
			}
		}
		
		public Table(): base(HtmlTextWriterTag.Table)
		{
		}
		
		public virtual string BackImageUrl
		{
			get
			{
				if(ControlStyleCreated)
					return ((TableStyle)ControlStyle).BackImageUrl;
			}
			set
			{
				((TableStyle)ControlStyle).BackImageUrl = value;
			}
		}
		
		public virtual int CellPadding
		{
			get
			{
				if(ControlStyleCreated)
					return ((TableStyle)ControlStyle).CellPadding;
			}
			set
			{
				((TableStyle)ControlStyle).CellPadding = value;
			}
		}
		
		public virtual int CellSpacing
		{
			get
			{
				if(ControlStyleCreated)
					return ((TableStyle)ControlStyle).CellSpacing;
			}
			set
			{
				((TableStyle)ControlStyle).CellSpacing = value;
			}
		}
		
		public virtual GridLines GridLines
		{
			get
			{
				if(ControlStyleCreated)
					return ((TableStyle)ControlStyle).GridLines;
			}
			set
			{
				((TableStyle)ControlStyle).GridLines = value;
			}
		}
		
		public virtual HorizontalAlign HorizontalAlign
		{
			get
			{
				if(ControlStyleCreated)
					return ((TableStyle)ControlStyle).HorizontalAlign;
			}
			set
			{
				((TableStyle)ControlStyle).HorizontalAlign = value;
			}
		}
		
		public virtual TableRowCollection Rows
		{
			get
			{
				if(rows == null)
				{
					rows = new TableRowCollection(this);
				}
				return rows;
			}
		}
		
		protected override void AddAttributesToRender(HtmlTextWriter writer): AddAttributesToRender(writer)
		{
			if(!BorderColor.IsEmpty)
			{
				writer.AddAttribute(HtmlTextWriterAttribute.Bordercolor, ColorTranslator.ToHtml(BorderColor));
			}
			
			Unit bw = BorderWidth;
			if(GridLines == GridLines.None)
			{
				bw = Unit.Pixel(0);
			} else if(!bw.IsEmpty && bw.Type == UnitType.Pixel)
			{
				bw = Unit.Pixel(1);
			}
			writer.AddAttribute(HtmlTextWriterAttribute.Border, ((int)bw.Value).ToString(NumberFormatInfo.InvariantInfo));
		}
		
		protected override ControlCollection CreateControlCollection()
		{
			return new TableRowControlCollection(this);
		}
		
		protected override Style CreateControlStyle()
		{
			return new TableStyle(ViewState);
		}
		
		protected override void RenderContents(HtmlTextWriter writer)
		{
			foreach(object current in Rows)
			{
				((TableRow)current).RenderControl(writer);
			}
		}
	}
}