Developing Next Generation Smart Clients using .NET 2.0 working with Existing .NET 1.1 SOA-based XML Web Services

#region Using directives

using System;
using System.Collections.Generic;
using System.Text;
using SmartInstitute.ObjectModel;
using SmartInstitute.Client.Automation.Helpers;
using System.Windows.Forms;
using SmartInstitute.Client.Automation.Views;
using SmartInstitute.Automation.Misc;
using SmartInstitute.Automation.Helpers;

#endregion

namespace SmartInstitute.Client.Automation
{
	/// <summary>
	/// Singleton root class for automation model. ThD:\VUES\UMS\UniversityManagementAutomation\_Application.cse entire automation
	/// library starts from it.
	/// </summary>
	public static class _Application
	{
		#region Delegates

		public delegate void SendReceiveHandler(object source, SendReceiveArgs e);
		public delegate void QuitHandler();

		#endregion

		#region Events

		public static event SendReceiveHandler OnSendReceive;
		public static event QuitHandler OnQuit;

		#endregion

		#region Collections

		/// <summary>
		/// Collection of open views of object model. Each view contains
		/// one model which contains the data. The view shows the data in 
		/// some way on the UI.
		/// </summary>
		private readonly static DocumentCollection _Documents = new DocumentCollection();

		public static DocumentCollection Documents
		{
			get
			{
				return _Documents;
			}
		}

		/// <summary>
		/// Collection of students loaded from server. This collection normally contains
		/// all the students university has received so far and their basic profile.
		/// </summary>
		private readonly static StudentModelCollection _Students = new StudentModelCollection();
		public static StudentModelCollection Students
		{
			get
			{
				return _Students;
			}
		}

		/// <summary>
		/// Collection of courses loaded from server.
		/// </summary>
		private readonly static CourseModelCollection _Courses = new CourseModelCollection();
		public static CourseModelCollection Courses
		{
			get
			{
				return _Courses;
			}
		}



		#endregion

		#region Public Static Methods

		public static void Start()
		{
			
			LoadHelpers();
		}

		private static readonly IList<IHelper> _Helpers = new List<IHelper>();
		private static void LoadHelpers()
		{
			// We can make this XML driven which can truly make this extensible
			_Helpers.Add(new SettingsHelper());
			_Helpers.Add(new SendReceiveHelper());

			foreach (IHelper helper in _Helpers)
				helper.Init();
		}

		private static void CloseHelpers()
		{
			foreach (IHelper helper in _Helpers)
				helper.Close();
		}

		public static bool Close()
		{
			return true;
		}

		public static void Quit()
		{
			CloseHelpers();

			if( Close() )
				OnQuit();
		}

		public static void SendReceive(object source, IList<StudentModel> students)
		{
			if (null != OnSendReceive)
				OnSendReceive(source, new SendReceiveArgs(students));
		}

		#endregion

		public readonly static Settings Settings = new Settings();

	}
}