// <copyright file="gpl-2.0.txt">
// ORIGINAL CODE BASE IS Copyright (C) 2006-2010 by Alphons van der Heijden.
// The code was donated on 2010-04-28 by Alphons van der Heijden to Brandon 'Dimentox Travanti' Husbands &
// Malcolm J. Kudra, who in turn License under the GPLv2 in agreement with Alphons van der Heijden's wishes.
//
// The community would like to thank Alphons for all of his hard work, blood sweat and tears. Without his work
// the community would be stuck with crappy editors.
//
// The source code in this file ("Source Code") is provided by The LSLEditor Group to you under the terms of the GNU
// General Public License, version 2.0 ("GPL"), unless you have obtained a separate licensing agreement ("Other
// License"), formally executed by you and The LSLEditor Group.
// Terms of the GPL can be found in the gplv2.txt document.
//
// GPLv2 Header
// ************
// LSLEditor, a External editor for the LSL Language.
// Copyright (C) 2010 The LSLEditor Group.
//
// This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
// Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
// ********************************************************************************************************************
// The above copyright notice and this permission notice shall be included in copies or substantial portions of the
// Software.
// ********************************************************************************************************************
// </copyright>
//
// <summary>
//
//
// </summary>

using System;
using System.Text;
using Microsoft.Win32;


namespace LSLEditor.Helpers
{
	class FileAssociator
	{
		// Associate file extension with progID, description, icon and application
		public static bool Associate(string strExtension, string strFileNameType, string strDescription, string strApplication,int intIconNr)
		{
			try
			{
				Registry.ClassesRoot.CreateSubKey(strExtension).SetValue("", strFileNameType);
				if (strFileNameType != null && strFileNameType.Length > 0)
				{
					using (RegistryKey key = Registry.ClassesRoot.CreateSubKey(strFileNameType))
					{
						if (strDescription != null)
							key.SetValue("", strDescription);
						if (strApplication != null)
						{
							key.CreateSubKey("DefaultIcon").SetValue("", strApplication + "," + intIconNr);
							key.CreateSubKey(@"Shell\Open\Command").SetValue("", "\"" + strApplication + "\" \"%1\"");
						}
					}
				}
				return true;
			}
			catch
			{
				return false;
			}
		}

		public static bool DeAssociate(string strExtension, string strFileNameType)
		{
			try
			{
				Registry.ClassesRoot.DeleteSubKey(strExtension);
				Registry.ClassesRoot.DeleteSubKeyTree(strFileNameType);
				return true;
			}
			catch
			{
				return false;
			}
		}

		// Return true if extension already associated in registry
		public static bool IsAssociated(string strExtension)
		{
			try
			{
				return (Registry.ClassesRoot.OpenSubKey(strExtension, false) != null);
			}
			catch
			{
				return false;
			}
		}

		private void Test()
		{
			if (!IsAssociated(".lsl"))
				Associate(".lsl", "LSLEditorScript", "SecondLife lsl File for LSLEditor", System.Reflection.Assembly.GetExecutingAssembly().Location, 0);
			DeAssociate(".lsl", "LSLEditorScript");
		}

	}
}