using System;
using System.Collections.Generic;
using System.Text;
using VEPROMS.CSLA.Library;

namespace Volian.Controls.Library
{
	public class MostRecentItemList : List<MostRecentItem>
	{
		private int _MaxItems = 10;
		public int MaxItems
		{
			get { return _MaxItems; }
			set { _MaxItems = value; }
		}
		public new MostRecentItem Add(MostRecentItem myMRI)
		{
			MostRecentItem tmp = null;
			// Look for the ItemID
			foreach (MostRecentItem mri in this)
				if (mri.ItemID == myMRI.ItemID)
					tmp = mri;
			// If it exists - remove it
			if (tmp != null)
				Remove(tmp);
			// Insert it in the first place in the list
			Insert(0, myMRI);
			// If more than MaxItems exist remove the items beyond MaxItems 
			while (Count > MaxItems) RemoveAt(MaxItems);
			return myMRI;
		}
		public MostRecentItem Add(int itemID)
		{
			return Add(new MostRecentItem(ItemInfo.Get(itemID)));
		}
		public MostRecentItem Add(ItemInfo myItem)
		{
			return Add(new MostRecentItem(myItem));
		}
		public MostRecentItem Add(string s)
		{
			return Add(new MostRecentItem(s));
		}
		public MostRecentItem Add(IVEDrillDownReadOnly myDrillDown)
		{
			if (typeof(ItemInfo).IsAssignableFrom(myDrillDown.GetType()))
				return Add(new MostRecentItem((ItemInfo)myDrillDown));
			return null;
		}
		public static MostRecentItemList GetMRILst(System.Collections.Specialized.StringCollection list)
		{
			MostRecentItemList mril = new MostRecentItemList();
			if (list != null)
				for (int i = list.Count - 1; i >= 0;i-- )// Add in reverse order so first is last and last is first
					mril.Add(list[i]);
			return mril;
		}
		public System.Collections.Specialized.StringCollection ToSettings()
		{
			if (Count == 0) return null;
			System.Collections.Specialized.StringCollection retval = new System.Collections.Specialized.StringCollection();
			foreach (MostRecentItem mri in this)
				retval.Add(mri.ToString());
			return retval;
		}
	} // Class
	public class MostRecentItem
	{
		[NonSerialized]
		private ItemInfo _MyItem;
		public ItemInfo MyItem
		{
			get
			{
				if (_MyItem == null)
					_MyItem = ItemInfo.Get(_ItemID);
				return _MyItem;
			}
			set
			{
				_ItemID = value.ItemID;
				_MyItem = value;
				_MenuTitle = GetMenuTitle();
				_ToolTip = GetToolTip();
			}
		}
		private int _ItemID;
		public int ItemID
		{
			get { return _ItemID; }
			set { _ItemID = value; }
		}
		private string _MenuTitle;
		public string MenuTitle
		{
			get
			{
				if (_MenuTitle == null)
					_MenuTitle = GetMenuTitle();
				return _MenuTitle;
			}
			set { _MenuTitle = value; }
		}
		private string GetMenuTitle()
		{
			return MyItem.Path;
		}
		private string _ToolTip;
		public string ToolTip
		{
			get
			{
				if (_ToolTip == null)
					_ToolTip = GetToolTip();
				return _ToolTip;
			}
			set { _ToolTip = value; }
		}
		private string GetToolTip()
		{
			DocVersionInfo tmp = (DocVersionInfo)(MyItem.MyProcedure.ActiveParent);
			StringBuilder sb = new StringBuilder();
			int indent = BuildPath(tmp.MyFolder, ref sb);
			return sb.ToString();
		}
		private int BuildPath(FolderInfo folderInfo, ref StringBuilder sb)
		{
			if (folderInfo.MyParent == null) return 0;
			int indent = BuildPath(folderInfo.MyParent, ref sb);
			sb.Append(string.Format("{0}{1}\r\n", "".PadLeft(indent * 2), folderInfo.Name));
			return indent;
		}
		public override string ToString()
		{
			return string.Format("{0}~{1}~{2}", _ItemID, MenuTitle, ToolTip);
		}
		public MostRecentItem(string str)
		{
			string[] parts = str.Split("~".ToCharArray());
			_ItemID = int.Parse(parts[0]);
			if (parts.Length > 1) _MenuTitle = parts[1];
			if (parts.Length > 2) _ToolTip = parts[2];
		}
		public MostRecentItem(ItemInfo myItem)
		{
			MyItem = myItem;
		}
	}
}