CSS Custom Provider To extend Web Control's Property Window

using System;
using System.Windows.Forms;
using System.IO;
using System.Text;
using System.Collections;
using System.Drawing;

namespace AV.UI.Controls
{
	/// <summary>
	/// Summary description for CSSClassViewer.
	/// </summary>
	public class CSSClassViewer : Form 
	{
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.TextBox txtValues;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label1;

		private System.Windows.Forms.ListBox lstCSSCollection;

		private string m_FileContent;
		private Hashtable m_ConfigValues;

		private string m_FileName;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private string m_CSSName;

		private void InitializeComponent()
		{
			this.label1 = new System.Windows.Forms.Label();
			this.panel1 = new System.Windows.Forms.Panel();
			this.txtValues = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.lstCSSCollection = new System.Windows.Forms.ListBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.panel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label1.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(128)), ((System.Byte)(64)), ((System.Byte)(64)));
			this.label1.Location = new System.Drawing.Point(32, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(136, 23);
			this.label1.TabIndex = 1;
			this.label1.Text = "List Of CSS Classes";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
			// 
			// panel1
			// 
			this.panel1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
			this.panel1.Controls.Add(this.txtValues);
			this.panel1.Location = new System.Drawing.Point(280, 40);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(256, 212);
			this.panel1.TabIndex = 2;
			// 
			// txtValues
			// 
			this.txtValues.Location = new System.Drawing.Point(24, 16);
			this.txtValues.Multiline = true;
			this.txtValues.Name = "txtValues";
			this.txtValues.ReadOnly = true;
			this.txtValues.Size = new System.Drawing.Size(208, 176);
			this.txtValues.TabIndex = 0;
			this.txtValues.Text = "";
			// 
			// label2
			// 
			this.label2.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label2.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(128)), ((System.Byte)(64)), ((System.Byte)(64)));
			this.label2.Location = new System.Drawing.Point(280, 8);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(136, 23);
			this.label2.TabIndex = 3;
			this.label2.Text = "Configuration";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
			// 
			// lstCSSCollection
			// 
			this.lstCSSCollection.Font = new System.Drawing.Font("Verdana", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.lstCSSCollection.ForeColor = System.Drawing.SystemColors.Highlight;
			this.lstCSSCollection.ItemHeight = 14;
			this.lstCSSCollection.Location = new System.Drawing.Point(32, 40);
			this.lstCSSCollection.Name = "lstCSSCollection";
			this.lstCSSCollection.Size = new System.Drawing.Size(240, 214);
			this.lstCSSCollection.TabIndex = 4;
			this.lstCSSCollection.DoubleClick += new System.EventHandler(this.lstCSSCollection_DoubleClick);
			this.lstCSSCollection.SelectedIndexChanged += new System.EventHandler(this.lstCSSCollection_SelectedIndexChanged);
			// 
			// button1
			// 
			this.button1.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.button1.Location = new System.Drawing.Point(192, 272);
			this.button1.Name = "button1";
			this.button1.TabIndex = 5;
			this.button1.Text = "SET";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Bold);
			this.button2.Location = new System.Drawing.Point(288, 272);
			this.button2.Name = "button2";
			this.button2.TabIndex = 6;
			this.button2.Text = "Close";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// CSSClassViewer
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(552, 309);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.lstCSSCollection);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.panel1);
			this.Controls.Add(this.label1);
			this.Name = "CSSClassViewer";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Load += new System.EventHandler(this.CSSClassViewer_Load);
			this.panel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
	
		
		public CSSClassViewer(string fileName)
		{
			InitializeComponent();
			this.FileName = fileName;
		}

		public string CSSName
		{
			get { return m_CSSName; }
			set { m_CSSName = value; }
		}

		public string FileName
		{
			get { return m_FileName; }
			set { m_FileName = value; }
		}

		[STAThread]
		static void Main() 
		{
			Application.Run(new CSSClassViewer(""));
		}

		private void CSSClassViewer_Load(object sender, System.EventArgs e)
		{
			m_ConfigValues = new Hashtable();
			
			if(this.FileName == "")
			{
				this.Close();
			}
			
			ReadCSSFile();
			lstCSSCollection.SelectedIndex = 0;
			lstCSSCollection.Focus();
		}

		private void ReadCSSFile()
		{
		
			using(StreamReader reader = new StreamReader(this.FileName))
			{
				m_FileContent = reader.ReadToEnd();
				
				long length = m_FileContent.Length;
				int index = 0;
				int nextIndex = 0;
				int nextNewLineIndex = 0;
				string strCSSName;
				while(index < length && index > -1)
				{
					index = m_FileContent.IndexOf(".",index);
					if(index == -1)
						break;
					nextIndex = m_FileContent.IndexOf("{",index);
					nextNewLineIndex = m_FileContent.IndexOf("\n",index);
					
					if(nextNewLineIndex < nextIndex)
						nextIndex = nextNewLineIndex;
					else
						nextNewLineIndex = nextIndex;

					strCSSName = m_FileContent.Substring(index+1,nextIndex-index-2);
					lstCSSCollection.Items.Add(strCSSName);
					index = m_FileContent.IndexOf("}",nextIndex);
					try
					{
						m_ConfigValues.Add(strCSSName,m_FileContent.Substring(nextNewLineIndex+1,index-nextNewLineIndex));
					}
					catch(Exception ex)
					{
					}
				}
			}
		}

		private void lstCSSCollection_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			string strCSSName = lstCSSCollection.SelectedItem.ToString();
			txtValues.Text = m_ConfigValues[strCSSName].ToString();
			this.CSSName = strCSSName;
		}
		
		private void lstCSSCollection_DoubleClick(object sender, System.EventArgs e)
		{
			this.CSSName = lstCSSCollection.SelectedItem.ToString();
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			this.CSSName = "";
			this.Close();
		}

	}
}