using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using VEPROMS.CSLA.Library;


namespace Volian.Controls.Library
{
	public partial class DisplayBookMarks : UserControl
	{
		#region Properties
		private MostRecentItemList _MyBookMarks;
		private ItemInfo _CurItemInfo = null;
		private bool _Initalizing = false;
		private DisplayTabControl _MyDisplayTabControl;
		public DisplayTabControl MyDisplayTabControl
		{
			get { return _MyDisplayTabControl; }
			set
			{
				if (value == null) return;
				_MyDisplayTabControl = value;
			}
		}
		private EditItem _MyEditItem;
		public EditItem MyEditItem
		{
			get { return _MyEditItem; }
			set 
			{
				if (value == null) return;
				if (_CurItemInfo != null && _CurItemInfo.ItemID == value.MyItemInfo.ItemID) return;
				_MyEditItem = value;
				_CurItemInfo = MyEditItem.MyItemInfo;
			}
		}
		//private StepRTB _MyRTB;
		//public StepRTB MyRTB
		//{
		//    get { return _MyRTB; }
		//    set
		//    {
		//        if (value == null) return;
		//        if (_CurItemInfo != null && _CurItemInfo.ItemID == value.MyItemInfo.ItemID) return;
		//        _MyRTB = value;
		//        _CurItemInfo = MyRTB.MyItemInfo;
		//    }
		//}
		#endregion
		#region Constructors
		public DisplayBookMarks()
		{
			InitializeComponent();
			//SetupBookMarks();
		}
		public void SetupBookMarks()
		{
			if (_MyBookMarks == null)
			{
				_MyBookMarks = MostRecentItemList.GetMRILst((System.Collections.Specialized.StringCollection)(Properties.Settings.Default["BookMarks"]),0);
				_MyBookMarks.AfterRemove += new ItemInfoEvent(_MyBookMarks_AfterRemove);
			}
			lbxBookMarks.SelectedValueChanged += new EventHandler(lbxBookMarks_SelectedValueChanged);
			RefreshBookMarkData();
			//btnPrevPos.Enabled = false;
			//lbxBookMarks.Enabled = false;
			//_PrevBookMark = null;
		}

		void _MyBookMarks_AfterRemove(object sender)
		{
			RefreshBookMarkData();
		}
		private void RefreshBookMarkData()
		{
			lbxBookMarks.DataSource = null;
			lbxBookMarks.DisplayMember = "MenuTitle";
			lbxBookMarks.DataSource = _MyBookMarks;
			btnClrBookMrks.Enabled = (lbxBookMarks.Items.Count > 0);
			btnRmvCurBookMrk.Enabled = lbxBookMarks.SelectedIndex > -1;
			SaveBookMarks();
		}
		private void SaveBookMarks()
		{
			Properties.Settings.Default.BookMarks = _MyBookMarks.ToSettings();
			Properties.Settings.Default.Save();
		}
		void lbxBookMarks_SelectedValueChanged(object sender, EventArgs e)
		{
			btnRmvCurBookMrk.Enabled = (lbxBookMarks.SelectedIndex >= 0);
		}
		public void AddBookMark(ItemInfo itm)
		{
			_MyBookMarks.Add(itm);
			RefreshBookMarkData();
		}
		#endregion
		#region Events
		private void btnSetBookMrk_Click(object sender, EventArgs e)
		{
			if (_CurItemInfo == null)
			{
				MessageBox.Show("Cannot set a bookmark on this item.");
				return;
			}
			_MyBookMarks.Add(_CurItemInfo);
			RefreshBookMarkData();
		}

		private void btnRmvCurBookMrk_Click(object sender, EventArgs e)
		{
			_MyBookMarks.RemoveAt(lbxBookMarks.SelectedIndex);
			RefreshBookMarkData();
		}

		private void btnClrBookMrks_Click(object sender, EventArgs e)
		{
			_MyBookMarks.Clear();
			RefreshBookMarkData();
		}
		private void lbxBookMarks_Click(object sender, EventArgs e)
		{
			MostRecentItem itm = lbxBookMarks.SelectedValue as MostRecentItem;
			if(itm != null)
				MyDisplayTabControl.OpenItem(itm.MyItemInfo);
		}
		#endregion
	}
}