///////////////////////////////////////////////////////////
//  TaskGroupTasks.cs
//  Implementation of Class TaskGroupTasks
//  CSLA type: Editable child collection 
//  Created on: 07-Jun-2004 8:41:37 AM
//  Object design: John  
//	Coded: John 29-July-2004
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using CSLA;

namespace GZTW.AyaNova.BLL 
{
	/// <summary>
	/// Editable child collectin of <see cref="TaskGroupTask"/> objects
	/// </summary>
	[Serializable]
	public class TaskGroupTasks : BusinessCollectionBase {

		#region Constructor
		
		//Private constructor prevents direction instantiation
		private TaskGroupTasks()
		{
			//Child 
			MarkAsChild();
			AllowSort=false;
			AllowFind=true;
			AllowEdit=true;
			AllowNew=true;
			AllowRemove=true;

		}

		#endregion

		#region Business properties and methods
		/// <summary>
		/// Retrieve TaskGroupTask by index
		/// </summary>
		/// <param name="Item">Index</param>
		public TaskGroupTask this[int Item]
		{
			get
			{
				return (TaskGroupTask) List[Item];

			}
		}
	
		/// <summary>
		/// Retrieve TaskGroupTask by string containing Guid value
		/// </summary>
		public TaskGroupTask this[string TaskGroupTaskID]
		{
			get
			{				
				System.Guid sid = new System.Guid(TaskGroupTaskID);		
				foreach (TaskGroupTask child in List)
				{
					if(child.ID==sid)	
						return child;
				}
				return null;
			}
		}

		/// <summary>
		/// Remove TaskGroupTask by passing it in
		/// </summary>
		/// <param name="obj"></param>
		public void Remove(TaskGroupTask obj)
		{
			List.Remove(obj);
		}

		/// <summary>
		/// Remove TaskGroupTask by string of id value
		/// </summary>
		/// <param name="TaskGroupTaskID"></param>
		public void Remove(string TaskGroupTaskID)
		{
			System.Guid sid = new System.Guid(TaskGroupTaskID);		
			foreach (TaskGroupTask child in List)
			{
				if(child.ID==sid)	
					List.Remove(child);
			}
		}

		/// <summary>
		/// Remove by Guid value of ID
		/// </summary>
		/// <param name="TaskGroupTaskID"></param>
		public void Remove(Guid TaskGroupTaskID)
		{
			foreach (TaskGroupTask child in List)
			{
				if(child.ID==TaskGroupTaskID)	
					List.Remove(child);
			}
		}

		/// <summary>
		/// Add a new TaskGroupTask to the collection
		/// </summary>
		/// <param name="obj"></param>
		public TaskGroupTask Add(TaskGroup obj)
		{
			TaskGroupTask child=TaskGroupTask.NewItem(obj);
			List.Add(child);
			return child;
		}

		#endregion		

		#region Contains

		/// <summary>
		/// Check if item in collection
		/// </summary>
		/// <param name="obj"></param>
		public bool Contains(TaskGroupTask obj)
		{
			foreach (TaskGroupTask child in List)
			{
				if(child.Equals(obj)) return true;
			}
			return false;

		}

		/// <summary>
		/// Check if item in collection by string of ID value
		/// </summary>
		/// <param name="TaskGroupTaskID"></param>
		public bool Contains(string TaskGroupTaskID)
		{
			System.Guid sid = new System.Guid(TaskGroupTaskID);
			foreach (TaskGroupTask child in List)
			{
				if(child.ID==sid) return true;
			}
			return false;

		}

		/// <summary>
		/// Check if item in deleted collection
		/// </summary>
		/// <param name="obj"></param>
		public bool ContainsDeleted(TaskGroupTask obj)
		{
			foreach (TaskGroupTask child in deletedList)
			{
				if(child.Equals(obj)) return true;
			}
			return false;

		}

		/// <summary>
		/// Check if item in deleted collection by string of ID value
		/// </summary>
		/// <param name="TaskGroupTaskID"></param>
		public bool ContainsDeleted(string TaskGroupTaskID)
		{
			System.Guid sid = new System.Guid(TaskGroupTaskID);
			foreach (TaskGroupTask child in deletedList)
			{
				if(child.ID==sid) return true;
			}
			return false;

		}
		#endregion

		#region Static methods
		/// <summary>
		/// NewItems
		/// </summary>
		/// <returns></returns>
		internal static TaskGroupTasks NewItems()
		{
			return new TaskGroupTasks();
		}

		/// <summary>
		/// GetItems
		/// </summary>
		/// <param name="dr"></param>
		/// <returns></returns>
		internal static TaskGroupTasks GetItems(SafeDataReader dr)
		{
			TaskGroupTasks col = new TaskGroupTasks();
			col.Fetch(dr);
			return col;
		}
		#endregion	

		#region DAL DATA ACCESS

		/// <summary>
		/// Fetch children
		/// </summary>
		/// <param name="dr">Populated data reader</param>
		private void Fetch(SafeDataReader dr)
		{
			while(dr.Read()) 
			{
				List.Add(TaskGroupTask.GetItem(dr));
			}
		}

		/// <summary>
		/// Update children
		/// </summary>
		/// <param name="obj"></param>
		/// <param name="tr"></param>
		internal void Update(TaskGroup obj,IDbTransaction tr)
		{
			//update (thus deleting) any deleted child objects
			foreach (TaskGroupTask child in deletedList)
			{
				child.Update(obj,tr);
			}

			//Now that they are deleted remove them from memory
			deletedList.Clear();

			foreach (TaskGroupTask child in List)
			{
				child.Update(obj,tr);

			}
		}
		#endregion
		
	}//end Tasks

}//end namespace GZTW.AyaNova.BLL