// Copyright (c) Cristian Civera (cristian@aspitalia.com)
// This code is distributed under the MS-PL (for details please see \doc\MS-PL.txt)

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Resources;
using System.Text;
using System.Windows;

namespace Ricciolo.StylesExplorer.MarkupReflection
{
	/// <summary>
	/// Rappresenta un singole file Baml all'interno di un assembly
	/// </summary>
	public class BamlFile : Component
	{
		private Uri _uri;
		private readonly Stream _stream;

		public BamlFile(Uri uri, Stream stream)
		{
			if (uri == null)
				new ArgumentNullException("uri");
			if (stream == null)
				throw new ArgumentNullException("stream");

			_uri = uri;
			_stream = stream;
		}

		/// <summary>
		/// Carica il Baml attraverso il motore di WPF con Application.LoadComponent
		/// </summary>
		/// <returns></returns>
		public object LoadContent()
		{
			try
			{
				return Application.LoadComponent(this.Uri);
			}
			catch (Exception e)
			{
				throw new InvalidOperationException("Invalid baml file.", e);
			}
		}

		protected override void Dispose(bool disposing)
		{
			base.Dispose(disposing);

			if (disposing)
				this.Stream.Dispose();
		}

		public override object InitializeLifetimeService()
		{
			return null;
		}

		/// <summary>
		/// Restituisce lo stream originale contenente il Baml
		/// </summary>
		public Stream Stream
		{
			get { return _stream; }
		}

		/// <summary>
		/// Restituisce l'indirizzo secondo lo schema pack://
		/// </summary>
		public Uri Uri
		{
			get { return _uri; }
		}

	}
}