using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Text.RegularExpressions;
//using System.IO;
using System.Windows.Forms;
using System.Xml;
using VEPROMS.CSLA.Library;
using Volian.Base.Library;
using C1.Win.C1FlexGrid;

namespace Volian.Controls.Library
{
	public partial class GridItem : EditItem
	{
		#region Fields
		private bool _IsSaving;
		public bool IsSaving
		{
			get { return _IsSaving; }
			set { _IsSaving = value; }
		}
		public VlnFlexGrid MyFlexGrid
		{
			get { return _MyFlexGrid; }
			set { _MyFlexGrid = value; }
		}
		private int _GridMargin = 11;
		/// <summary>
		/// Margin between the EditItem and the VlnFlexGrid.  Appears on the Right.
		/// Will allow space to draw a Change Bar on the right side of the EditItem.
		/// </summary>
		public int GridMargin
		{
			get { return _GridMargin; }
			set { _GridMargin = value; }
		}
		#endregion
		
		#region Event Handlers
		/// <summary>
		/// Raises an ItemClick event when the user clicks on the Tab
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void lblTab_MouseDown(object sender, MouseEventArgs e)
		{
			MyStepPanel.OnItemClick(this, new StepPanelEventArgs(this, e));
		}
		void MyFlexGrid_Resize(object sender, EventArgs e)
		{
			if (MyFlexGrid.ReadingXml) return;
			this.Size = new Size(MyFlexGrid.Width + GridMargin, MyFlexGrid.Height + GridMargin);
			AdjustTableWidthAndLocation();
			AdjustLocation();
		}
		void MyFlexGrid_Enter(object sender, EventArgs e)
		{
			Console.WriteLine("GridItem MyFlexGrid_Enter");
			if (MyStepPanel.DisplayItemChanging) return;
			MyStepRTB.MyItemInfo = MyItemInfo;  // should be in vlnFlexGrid
			MyStepPanel.SelectedEditItem = this;
			if (MyFlexGrid.IsRoTable)
			{
				MyFlexGrid.Cols.Fixed = MyFlexGrid.Cols.Count;
				MyFlexGrid.Rows.Fixed = MyFlexGrid.Rows.Count;
			}
		}
		void MyFlexGrid_KeyDown(object sender, KeyEventArgs e)
		{
			switch (e.KeyCode)
			{
				case Keys.F5:
					if (e.Shift)
					{
						e.Handled = true;
						if (!CheckClipboard()) return;  // check if 'clipboard' contains a step.
						SetMenu("StepPaste");
					}
					else if (!e.Control && !e.Alt)
					{
						e.Handled = true;
						CopyStep();
					}
					break;
				case Keys.Delete:
					if (!MyFlexGrid.IsRoTable)
						MyFlexGrid.ClearSelectedCellText();
					break;
			}
		}
		void SetMenu(string contentMenu)
		{
			if (contentMenu == null)
				MyStepPanel.MyStepTabPanel.MyStepTabRibbon.ClearContextMenu();
			else if (contentMenu == "OpenContextMenu")
				MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetGridCellContextMenu(); //.SetContextMenu();
			else
				MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetShortCutContextMenu(contentMenu);
		}
		void MyFlexGrid_CursorMovement(object sender, VlnFlexGridCursorMovementEventArgs args)
		{
			MyStepPanel.CursorMovement(this,new Point(0,0), args.Key);
		}
		void MyStepRTB_LinkModifyTran(object sender, StepPanelLinkEventArgs args)
		{
			MyStepPanel.OnLinkModifyTran(sender, args);
		}
		void MyStepRTB_LinkModifyRO(object sender, StepPanelLinkEventArgs args)
		{
			MyStepPanel.OnLinkModifyRO(sender, args);
		}
		void MyStepRTB_LinkGoTo(object sender, StepPanelLinkEventArgs args)
		{
			MyStepPanel.OnLinkClicked(sender, args);
		}
		void MyStepRTB_CursorKeyPress(object sender, KeyEventArgs args)
		{
			MyStepPanel.StepCursorKeys(this, args);
		}
		void MyStepRTB_AdjustTableWidth(object sender, StepRTBTableWidthEventArgs args)
		{
			//Console.WriteLine("MyStepRTB_AdjustTableWidth");
			//if ((!_MyItemInfo.IsSection && !_MyItemInfo.IsProcedure) && (_MyItemInfo.IsTable || _MyItemInfo.IsFigure))
			if (args.EditMode)
			{
				int colR = MyStepPanel.ToDisplay(MyStepSectionLayoutData.ColRTable, MyItemInfo.ColumnMode);
				int widS = /* _WidthAdjust + borderWidth + */ MyStepPanel.ToDisplay(MyStepSectionLayoutData.WidSTableEdit, MyItemInfo.ColumnMode);
				int wNew = 70 + widS + colR * MyItemInfo.ColumnMode;
				if (wNew > ItemWidth)
				{
					ItemWidth = wNew;
					ItemLocation = TableLocation(MyParentEditItem, MyStepSectionLayoutData, wNew);
				}
			}
			else
			{
				int newwidth = MyFlexGrid.Width;
				if (ItemWidth != newwidth)
				{
					ItemWidth = newwidth;
					ItemLocation = TableLocation(MyParentEditItem, MyStepSectionLayoutData, newwidth);
				}
			}
		}
		bool MyStepRTB_IsNotCurrentSelection(object sender, EventArgs args)
		{
			return MyStepPanel.SelectedEditItem != this;
		}

		void MyStepRTB_OpenAnnotations(object sender, EventArgs args)
		{
			OpenAnnotations();
		}
		void MyFlexGrid_OpenAnnotations(object sender, EventArgs args)
		{
			OpenAnnotations();
		}
		void MyStepRTB_DoMouseWheel(object sender, MouseEventArgs args)
		{
			DoMouseWheel(args);
		}
		void MyStepRTB_DoSaveContents(object sender, EventArgs args)
		{
			SaveCurrentAndContents();
		}	
		void MyStepRTB_VisibleChanged(object sender, EventArgs e)
		{
			if (MyStepRTB == null) return;
			MyStepRTB.EditMode = MyStepRTB.Visible;
			//Console.WriteLine("MyStepRTB_VisibleChanged {0}", MyStepRTB.Width);
			//Console.WriteLine("GridItem: EditMode = {0}", MyStepRTB.EditMode);
		}
		void MyStepRTB_ReturnToEditor(object sender, EventArgs args)
		{
			//Console.WriteLine("MyStepRTB_ReturnToEditor");
			MyFlexGrid.Focus();
			MyFlexGrid.StartEditing();
		}
		void MyFlexGrid_Click(object sender, EventArgs e)
		{
			MyFlexGrid.Focus();
			Console.WriteLine("GridItem MyFlexGrid_Click {0}, {1}, {2}, {3}", MyFlexGrid.Row, MyFlexGrid.Col, MyStepPanel.Location, MyFlexGrid.TableCellEditor.Location);
			//ScrollToCenter();
			//MyStepPanel.MyStepTabPanel.MyStepTabRibbon.ToggleTableDesignButtons(false);
			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetRibbonForGrid();
			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetTableButtonsForMergeRangeSelection();
			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetGridContextMenu();
		}
		void MyStepRTB_EditModeChanged(object sender, EventArgs args)
		{
			Console.WriteLine("GridItem MyStepRTB_EditModeChanged");
			AdjustColorsForEditMode();
			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetRibbonForGrid();
		}

		private void AdjustColorsForEditMode()
		{
			MyFlexGrid.StyleBackColor = Color.White;
			if (MyStepRTB.EditMode)
			{
				MyFlexGrid.Styles["Focus"].ForeColor = MyFlexGrid.Styles["Focus"].BackColor =
					MyFlexGrid.Styles["Highlight"].ForeColor = MyFlexGrid.Styles["Highlight"].BackColor = Color.SkyBlue;
				MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetRibbonForGridCellIndent();
			}
			else
			{
				MyFlexGrid.Styles["Focus"].ForeColor = MyFlexGrid.Styles["Highlight"].ForeColor = Color.Black;
				MyFlexGrid.Styles["Focus"].BackColor = MyFlexGrid.Styles["Highlight"].BackColor = Color.LightCyan;
				MyStepPanel.MyStepTabPanel.MyStepTabRibbon.SetRibbonForGridCellIndentClear();
			}
		}
		private string _OrigRtf;		// used to store original rtf to allow for 'escape' key restore
		void MyFlexGrid_SelChange(object sender, EventArgs e)
		{
			Console.WriteLine("GridItem MyFlexGrid_SelChange {0}, {1}, {2}, {3}", MyFlexGrid.Row, MyFlexGrid.Col, MyStepPanel.Location, MyFlexGrid.TableCellEditor.Location);
			//if (Initializing) return;
			//Volian.Base.Library.vlnStackTrace.ShowStackLocal("MyFlexGrid_SelChange {0}",MyFlexGrid.Selection);
			RTBLastFocus = false;
			MyStepRTB.Visible = false; // Hide the editor if the Selection Changes
			if (Initializing) return;
			if (MyFlexGrid.Selection.IsSingleCell && MyFlexGrid.Row >= 0 && MyFlexGrid.Col >= 0)
			{
				object obj = MyFlexGrid[MyFlexGrid.Row, MyFlexGrid.Col];
				_OrigRtf = obj == null ? string.Empty : obj.ToString();
			}
		}
		void MyStepRTB_KeyDown(object sender, KeyEventArgs e)
		{
			if (!e.Control && !e.Shift && !e.Alt && e.KeyCode == Keys.Escape && MyStepRTB.EditMode)
			{
				MyStepRTB.Rtf = _OrigRtf;
				MyFlexGrid.Select(MyFlexGrid.Selection);
			}
		}
		private string MyFlexGrid_AdjustPastedText(object sender, VlnFlexGridPasteEventArgs args)
		{
			string tmpForLink = args.Text;
			tmpForLink = Regex.Replace(tmpForLink, @"#Link:ReferencedObject:[0-9]+ ", @"#Link:ReferencedObject:<NewID> ");
			tmpForLink = Regex.Replace(tmpForLink, @"#Link:Transition:([0-9]+) [0-9]+ ", @"#Link:Transition:$1 <NewID> ");
			tmpForLink = Regex.Replace(tmpForLink, @"#Link:TransitionRange:([0-9]+) [0-9]+ ", @"#Link:TransitionRange:$1 <NewID> ");
			return tmpForLink;
		}
		#endregion // Event Handlers
		#region Constructors
		public GridItem()
		{
			InitializeComponent();
		}
		public GridItem(ItemInfo itemInfo, StepPanel myStepPanel, EditItem myParentEditItem, ChildRelation myChildRelation, bool expand)
		{
			InitializeComponent();
			SetupEventHandlers();
			SetupEditItem(itemInfo, myStepPanel, myParentEditItem, myChildRelation, expand, null, false);
		}
		public GridItem(ItemInfo itemInfo, StepPanel myStepPanel, EditItem myParentEditItem, ChildRelation myChildRelation, bool expand, EditItem nextEditItem)
		{
			InitializeComponent();
			SetupEventHandlers();
			SetupEditItem(itemInfo, myStepPanel, myParentEditItem, myChildRelation, expand, nextEditItem, false);
		}
		private void SetupEventHandlers()
		{
			this.MyFlexGrid.Resize += new EventHandler(MyFlexGrid_Resize);
			this.MyFlexGrid.Enter += new EventHandler(MyFlexGrid_Enter);
			this.MyFlexGrid.CursorMovement += new VlnFlexGridCursorMovementEvent(MyFlexGrid_CursorMovement);
			this.MyFlexGrid.OpenAnnotations += new VlnFlexGridEvent(MyFlexGrid_OpenAnnotations);
			this.MyFlexGrid.KeyDown +=new KeyEventHandler(MyFlexGrid_KeyDown);
			this.MyStepRTB.LinkGoTo += new StepRTBLinkEvent(MyStepRTB_LinkGoTo);
			this.MyStepRTB.LinkModifyRO += new StepRTBLinkEvent(MyStepRTB_LinkModifyRO);
			this.MyStepRTB.LinkModifyTran += new StepRTBLinkEvent(MyStepRTB_LinkModifyTran);
			this.MyStepRTB.CursorKeyPress += new StepRTBCursorKeysEvent(MyStepRTB_CursorKeyPress);
			this.MyStepRTB.AdjustTableWidth += new StepRTBTableWidthEvent(MyStepRTB_AdjustTableWidth);
			this.MyStepRTB.IsNotCurrentSelection += new StepRTBBooleanEvent(MyStepRTB_IsNotCurrentSelection);
			this.MyStepRTB.OpenAnnotations += new StepRTBEvent(MyStepRTB_OpenAnnotations);
			this.MyStepRTB.DoMouseWheel += new StepRTBMouseEvent(MyStepRTB_DoMouseWheel);
			this.MyStepRTB.DoSaveContents += new StepRTBEvent(MyStepRTB_DoSaveContents);
			this.MyStepRTB.VisibleChanged += new EventHandler(MyStepRTB_VisibleChanged);
			this.MyStepRTB.ReturnToEditor += new StepRTBEvent(MyStepRTB_ReturnToEditor);
			this.MyFlexGrid.Click += new EventHandler(MyFlexGrid_Click);
			this.MyStepRTB.EditModeChanged += new StepRTBEvent(MyStepRTB_EditModeChanged);
			this.MyStepRTB.KeyDown += new KeyEventHandler(MyStepRTB_KeyDown);
			this.MyFlexGrid.SelChange += new EventHandler(MyFlexGrid_SelChange);
			this.MyStepRTB.GotFocus += new EventHandler(MyStepRTB_GotFocus);
			this.MyStepRTB.RoInsert += new StepRTBRoEvent(MyStepRTB_RoInsert);
			this.MyFlexGrid.AdjustPastedText += new VlnFlexGridPasteEvent(MyFlexGrid_AdjustPastedText);
			this.MyStepRTB.SetMenu += new StepRTBMenuEvent(MyStepRTB_SetMenu);
			this.MyStepRTB.OpenContextMenu += new StepRTBLocationEvent(MyStepRTB_OpenContextMenu);
			this.MyFlexGrid.EnterKeyPressed += new VlnFlexGridkeyEvent(MyFlexGrid_EnterKeyPressed);
			//this.MyStepRTB.EnterKeyPressed += new StepRTBCursorKeysEvent(MyStepRTB_EnterKeyPressed);
			// This Resize event has been useful for debugging purposes numerous times
			//
			//this.MyStepRTB.Resize += new EventHandler(MyStepRTB_Resize);
		}

		//void MyStepRTB_EnterKeyPressed(object sender, KeyEventArgs args)
		//{
		//    args.Handled = true;
		//    MyStepPanel.MyStepTabPanel.MyStepTabRibbon.ProcessEnterKey();
		//}

		void MyFlexGrid_EnterKeyPressed(object sender, KeyEventArgs args)
		{
			args.Handled = true;
			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.ProcessEnterKey();
		}

		void MyStepRTB_OpenContextMenu(object sender, StepRTBLocationEventArgs args)
		{
			MyStepPanel.MyStepTabPanel.MyStepTabRibbon.OpenContextMenu(args.Location);
		}

		void MyStepRTB_SetMenu(object sender, StepRTBMenuEventArgs args)
		{
			SetMenu(args.MenuGroup);
		}

		// This Resize event been useful for debugging purposes numerous times
		//
		//void MyStepRTB_Resize(object sender, EventArgs e)
		//{
		//    if (MyStepRTB.Visible)
		//    {
		//        //Volian.Base.Library.vlnStackTrace.ShowStack("MyStepRTB_Resize");
		//        Console.WriteLine("MyStepRTB_Resize {0}", MyStepRTB.Width);
		//    }
		//}
		void MyStepRTB_RoInsert(object sender, StepRTBRoEventArgs args)
		{
			//Console.WriteLine("GridItem - Enter MyStepRTB_RoInsert");
			if (MyFlexGrid.IsRoTable)
			{
				MyFlexGrid.Visible = false;
				MyFlexGrid.ConvertTableROToGrid(args.ValText, args.RODbID, args.ROID);
				MyFlexGrid.FixTableCellsHeightWidth();
				MyFlexGrid.AdjustGridControlSize();
				MyFlexGrid.Visible = true;
				//MyFlexGrid.MergedRanges.Clear();
				//MyFlexGrid.Clear();
				//ConvertTableToGrid(args.RawValText, args.RODbID, args.ROID);
				//MyFlexGrid.RODbId = args.RODbID;
				//MyFlexGrid.ROID = args.ROID;
				//SaveContents();
			}
			else
			{
				int sel = MyStepRTB.SelectionStart + args.ValText.Length;// +args.LinkText.Length;//MyStepRTB.SelectionLength; // Remember where the link is being added
				//Console.WriteLine("ValText {0} LinkText {1}", args.ValText, args.LinkText);
				//Console.WriteLine("selstart {0} len {1}", MyStepRTB.SelectionStart, args.LinkText.Length);
				CellRange cr = MyFlexGrid.Selection;
				MyStepRTB.UpdateStepRtb(args.LinkText, args.ValText);
				MyFlexGrid.StartEditing(cr.r1, cr.c1); // get back to edit mode
				MyStepRTB.Select(sel, 0);// Move cursor to end of LINK
				SendKeys.Send("{RIGHT}"); // this will un-select the RO
				SendKeys.Flush();
			}
			//Console.WriteLine("GridItem - Exit MyStepRTB_RoInsert");
		}
		void MyStepRTB_GotFocus(object sender, EventArgs e)
		{
			RTBLastFocus = true;
		}
		#endregion
		#region Override Method and Properties
		public override int BorderWidth { get { return (MyFlexGrid.Width - MyFlexGrid.ClientRectangle.Width); } }
		//private bool _OnlyOnce = false;
		//protected override void OnPaint(PaintEventArgs e)
		//{
		//  base.OnPaint(e);
		//  if (!this.Enabled && !_OnlyOnce)
		//  {
		//    _OnlyOnce = true;
		//    _MyDisablePanel.SendToBack();
		//    _MyDisablePanel.BringToFront();
		//    _OnlyOnce = false;
		//  }
		//}
		protected override void OnEnabledChanged(EventArgs e)
		{
			base.OnEnabledChanged(e);
			if (this.Enabled)
			{
				_MyDisablePanel.SendToBack();
				_MyDisablePanel.Visible = false;
			}
			else
			{
				_MyDisablePanel.Visible = true;
				Rectangle rect = new Rectangle(0, 0, this.MyFlexGrid.Width, this.MyFlexGrid.Height);
				Bitmap bmp = new Bitmap(this.MyFlexGrid.Width, this.MyFlexGrid.Height);
				this.MyFlexGrid.DrawToBitmap(bmp, rect);
				using (Graphics gr = Graphics.FromImage(bmp))
				{
					gr.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
					gr.FillRectangle(new SolidBrush(Color.FromArgb(128, Color.FromKnownColor(KnownColor.ButtonFace))), rect);
					//gr.FillEllipse(Brushes.Red, 10, 10, 10, 10);
				}
				_MyDisablePanel.Location = this.MyFlexGrid.Location;
				_MyDisablePanel.Size = this.MyFlexGrid.Size;
				_MyDisablePanel.BackgroundImage = bmp;
				_MyDisablePanel.BringToFront();
			}
		}
		public override Point ContentLocation
		{
			get { return new Point(Location.X + MyFlexGrid.Left, Location.Y); }
			set { Location = new Point(value.X - MyFlexGrid.Left, value.Y); }
		}
		public override string TabFormat { get { return _TabFormat; } set { _TabFormat = value; } }
		public override void AdjustTableWidthAndLocation() 
		{
			//_MyStepRTB.Font = MyStepData.Font.WindowsFont;
			//ItemWidth = (int)GetTableWidth(MyStepRTB.Font, MyItemInfo.MyContent.Text, true);
			//ItemWidth = MyFlexGrid.Width;
			//ItemLocation = new Point(50, _MyParentEditItem.Bottom);

			// We had a table that was in a funky state.  This allows it to appear in editor so
			// that is could be deleted.
			if (_MyParentEditItem == null) return;
			Point newLocation = TableLocation(_MyParentEditItem, MyStepSectionLayoutData, ItemWidth);
			if (!newLocation.Equals(ItemLocation)) ItemLocation = newLocation; 
		}
		public override void SetToolTip(string tip)
		{
			DevComponents.DotNetBar.SuperTooltipInfo tpi = new DevComponents.DotNetBar.SuperTooltipInfo("", "", tip, null, null, DevComponents.DotNetBar.eTooltipColor.Lemon);
			_MyToolTip.MinimumTooltipSize = new Size(0, 24);
			_MyToolTip.TooltipDuration = 3;
			//_MyToolTip.SetSuperTooltip(MyStepRTB, tpi);
			_MyToolTip.SetSuperTooltip(MyFlexGrid, tpi);
		}
		private bool DoNotRefresh = false;
		public override void RefreshContent() 
		{
			if (DoNotRefresh) return;
			Console.WriteLine("GridItem RefreshContent");
			_ActiveMode = MyFlexGrid.ContainsFocus;
			using (Grid myGrid = MyItemInfo.MyContent.MyGrid.Get())
			{
				MyItemInfo.MyContent.MyGrid.ResetContent(myGrid);
			}
			RefreshDisplay(_ActiveMode);
			IdentifyMe(false);
		}
		public override int TableWidth { get { return 0; } }    // DONE
		public override int ItemLeft
		{
			get { return Left + lblTab.Left; }
			set { Left = value - lblTab.Left; }
		}
		public override int ContentLeft { get { return Left + MyFlexGrid.Left; } }
		public override int ContentWidth
		{
			get { return MyFlexGrid.Width; }
			set
			{
				Width = value + lblTab.Left + lblTab.Width;
			}
		}
		public override Point ItemLocation
		{
			get { return new Point(Location.X + lblTab.Left, Location.Y); }
			set { Location = new Point(value.X - lblTab.Left, value.Y); }
		}
		public override int ItemWidth
		{
			get { return Width - lblTab.Left; }
			set
			{
				Width = GridMargin + value + lblTab.Left;
			}
		}
		public override void RefreshOrdinal()
		{
			TabFormat = null; // Reset Tab
		}
		public override bool Expanded
		{
			get {return !Colapsing;}
			set {;}		// Tables are always expanded.
		}
		public override void RefreshTab() { TabFormat = null;}
		public override void SetFocus() { MyFlexGrid.Focus();}
		public override void SaveContents() 
		{
			if (!MyFlexGrid.IsDirty && !IsSaving) return;
			List<int> RtfRoUsageList = new List<int>();
			List<int> RtfTransList = new List<int>();
			List<int> RtfTransPageNumList = new List<int>();

			int r = 0;
			int c = 0;
			int w = MyFlexGrid.Cols.Count;
			int h = MyFlexGrid.Rows.Count;

			string srchtxt = MyFlexGrid.GetSearchableText();
			// find the rousages within the grid cell.  If this is an ro table, there will only be one usage
			// if it is a modify and there will be no usages if it is new (the usage gets created on the save)
			if (!MyFlexGrid.IsRoTable)
			{
				while (r < h)
				{
					CellRange cr = MyFlexGrid.GetMergedRange(r, c);
					if (cr.r1 == r && cr.c1 == c)
					{
						if (MyFlexGrid[r, c] != null)
						{
							// see if there are any links and save these so that any deleted ROs or transitions in the
							// steprtb can have associated usages/transitions records removed from the database.
							string lookFor = string.Format(@"<START\](\\[^v \\]+)*\\v0(\\[^v '?{{}}~\\]+)*( |\\u[0-9]{{1,4}}?|\\'[0-9a-fA-F]{{2}}|\\[{{}}~])(.*?)(\\[^v '?{{}}~\\]+)*\\v(\\[^v \\]+)* #Link:(ReferencedObject|Transition[^:]*?):.*?\[END>");
							MatchCollection matches = Regex.Matches((string)MyFlexGrid[r, c], lookFor);
							for (int i = matches.Count - 1; i >= 0; i--)
							{
								Match m = matches[i];
								if (m != null && m.Groups.Count > 7 && m.Groups[7].ToString() == "ReferencedObject")
								{
									Regex regRefObj = new Regex(@"\#Link\:ReferencedObject\:([0-9]*) ([0-9a-zA-Z]*) ([0-9]*)", RegexOptions.Singleline);
									Match myMatch = regRefObj.Match(m.Value);
									if (myMatch.Success)
									{
										int usgid = int.Parse(myMatch.Groups[1].Value);
										RtfRoUsageList.Add(usgid);
									}
								}
								if (m != null && m.Groups.Count > 7 && m.Groups[7].ToString().StartsWith("Transition"))
								{
									Regex regRefObj = new Regex(@"\#Link\:Transition[a-zA-Z]*\:([0-9]*) ([0-9]*) ([0-9]*)", RegexOptions.Singleline);
									Match myMatch = regRefObj.Match(m.Value);
									if (myMatch.Success)
									{
										int tid = int.Parse(myMatch.Groups[2].Value);
										RtfTransList.Add(tid);
                    int myIndex = m.Groups[4].Index;
                    int myLength = m.Groups[4].Length;
                    if (m.Groups[3].Value != " ")
                    {
                      myIndex = m.Groups[3].Index;
                      myLength += m.Groups[3].Length;
                    }
                    string gg = ((string)MyFlexGrid[r, c]).Substring(myIndex, myLength);
                    if (gg.Contains("(Page ~)")) RtfTransPageNumList.Add(tid);
									}
								}
							}
						}
					}
					c = c + 1;
					if (c == w)
					{
						c = 0;
						r = r + 1;
					}
				}
			}
			else
			{
				// new roid is in flexgrid.roid.  Compare to previous, if there was a previous. If there
				// is a modify RO, then need to delete the existing rousage record because a new usage
				// record will get created that contains the selected ROID.
				Regex regRefObj = new Regex(@"\#Link\:ReferencedObject\:([0-9]*) ([0-9a-zA-Z]*) ([0-9]*)", RegexOptions.Singleline);
				Match myMatch = regRefObj.Match(MyItemInfo.MyContent.Text);
				if (myMatch.Success)
				{
					int usgid = int.Parse(myMatch.Groups[1].Value);
					RoUsageInfo rui = RoUsageInfo.Get(usgid);
					if (rui.ROID == MyFlexGrid.ROID)RtfRoUsageList.Add(usgid);
				}
			}
			// compare ro usages & transitions from database and list from grid contents
			//		if in both lists, don't do anything
			//		if only in database list, delete usage.
			//		never will have condition where it is not in database list, but is in steprtb text list (this
			//           case is handled when ro is inserted.
			if (MyItemInfo.MyContent.ContentRoUsages != null)
			{
				List<int> delRoUsgs = new List<int>();
				foreach (RoUsageInfo ru in MyItemInfo.MyContent.ContentRoUsages)
					if (!RtfRoUsageList.Contains(ru.ROUsageID)) delRoUsgs.Add(ru.ROUsageID);
				foreach (int dRU in delRoUsgs) RoUsage.Delete(dRU);
			}
			if (MyItemInfo.MyContent.ContentTransitions != null)
			{
				List<int> delTrans = new List<int>();
				foreach (TransitionInfo ti in MyItemInfo.MyContent.ContentTransitions)
				{
					if (!RtfTransList.Contains(ti.TransitionID)) delTrans.Add(ti.TransitionID);
					else if (RtfTransPageNumList.Contains(ti.TransitionID))
					{
						using (Transition t = ti.Get())
						{
							t.Config = "<Config><Transition Formatted=\"True\" /></Config>";
							t.Save();
						}
					}
				}
				foreach (int dt in delTrans) Transition.Delete(dt);
			}

			bool success = FinishSave(srchtxt);
			if (success && !MyFlexGrid.IsRoTable)
			{
				MyStepRTB.FindAllLinks();
				MyStepRTB.OrigRTF = MyStepRTB.Rtf;
				MyStepRTB.ClearUndo();
			}
		}
		private string DoLinkForRoTable(Item itm)
		{
			// if no ro has been defined yet, just return null
			if (MyFlexGrid.ROID == null) return null;
			ContentRoUsage rousg = null;
//			using (Item itm = MyItemInfo.Get())
//			{
				using (RODb rodb = RODb.GetJustRoDb(MyFlexGrid.RODbId))
				{
					string padroid = (MyFlexGrid.ROID.Length <= 12) ? MyFlexGrid.ROID + "0000" : MyFlexGrid.ROID;
					rousg = itm.MyContent.ContentRoUsages.Add(MyFlexGrid.ROID, rodb);
				}
				//itm.Save();
//			}
			MyItemInfo.MyContent.RefreshContentRoUsages();
			return string.Format(@"#Link:ReferencedObject:{0} {1} {2}", rousg.ROUsageID, MyFlexGrid.ROID, MyFlexGrid.RODbId);
		}
		//private void ConvertTableToGrid(string valtext, int rodbid, string roid)
		//{
		//    VE_Font vefont = MyItemInfo.GetItemFont();
		//    MyFlexGrid.Font = vefont.WindowsFont;
		//    //Initializing = true;
		//    MyFlexGrid.MergedRanges.Clear();
		//    MyFlexGrid.Clear();
		//    MyFlexGrid.ParseTableFromText(valtext);
		//    MyFlexGrid.AutoSizeCols();
		//    MyFlexGrid.AutoSizeRows();
		//    MyFlexGrid.MakeRTFcells();
		//    MyFlexGrid.RODbId = rodbid;
		//    MyFlexGrid.ROID = roid;
		//    MyFlexGrid.IsRoTable = true;
		//    //Initializing = false;
		//    SaveContents();
		//}
		private bool FinishSave(string searchableText)
		{
			// Just in case if the grid was in a mode to change sizes, clear out that setting
			// in the grid:
			MyFlexGrid.Cols.Fixed = 0;
			MyFlexGrid.Rows.Fixed = 0;
			MyFlexGrid.StyleBackColor = Color.White;

			string xml = MyFlexGrid.GetXMLData();
			using (Item itm = MyItemInfo.Get())
			{
				//if (!MatchingXML(itm.MyContent.MyGrid.Data, xml))
				//{
				//	CompareXML(itm.MyContent.MyGrid.Data, xml);
				itm.MyContent.MyGrid.Data = xml;
				itm.MyContent.MyGrid.DTS = DateTime.Now;
				itm.MyContent.MyGrid.UserID = Volian.Base.Library.VlnSettings.UserID;
				//}
				// if this is the initial save of an ro table, then the 'DoLinkForRoTable' will
				// create the usage for it.  this code gets run on modify of the ro table and also
				// on exit of the griditem. We don't want to save the ro usage again, if it's already
				// been saved.
				if (MyFlexGrid.IsRoTable && MyFlexGrid.ROID != null && itm.MyContent.ContentRoUsageCount < 1)
				{
					searchableText = string.Format(@"\v<START]\v0 {0} \v {1}[END>\v0 ", searchableText, DoLinkForRoTable(itm));
					//if (itm.MyContent.Text != searchableText)
					//{
					itm.MyContent.Text = searchableText;
					itm.MyContent.UserID = Volian.Base.Library.VlnSettings.UserID;
					itm.MyContent.DTS = DateTime.Now;
					//}
				}
				else
				{
					itm.MyContent.Text = searchableText;
					itm.MyContent.UserID = Volian.Base.Library.VlnSettings.UserID;
					itm.MyContent.DTS = DateTime.Now;
				}
				if (!MyFlexGrid.IsRoTable) itm.MyContent.Text = searchableText;

				// if the plant has the change id option, the change id was entered when the program started.
				// this should be saved for every piece of edited data.  Note that the set of config
				// item Step_MultipleChangeID has the save built in to it.
				if (MyItemInfo.ActiveFormat.PlantFormat.FormatData.ProcData.ChangeBarData.ChangeIds &&
					!this.MyStepPanel.MyStepTabPanel.MyDisplayTabControl.EditorialChange)
				{
					StepConfig sc = itm.MyConfig as StepConfig;
					if (sc == null)
						sc = new StepConfig();
					sc.Step_ChangeID = this.MyStepPanel.MyStepTabPanel.MyDisplayTabControl.ChgId;
					if (itm.MyConfig == null) itm.MyContent.Config = sc.ToString();
				}
				itm.Save();

				StepConfig myItmCfg =MyItemInfo.MyConfig as StepConfig;
				// We saved changes made to some step text. Reset the change bar override.
				// IF there is a step config remove the change bar override by setting the CBOverride value to null
				// This fixes a problem reported by Farly where if the change bar or overridden to be off, the next
				// time a change was made, the change bar remained turned off.
				if (myItmCfg != null)
					myItmCfg.Step_CBOverride = null; // clear the change bar override

				MyItemInfo.MyContent.MyGrid.ResetContent(itm.MyContent.MyGrid);
			}
			return true;
		}
		private void CompareXML(string v1, string v2)
		{
			v1 = Regex.Replace(v1, "\r\n *", "");
			v1 = Regex.Replace(v1, "version *= *\"[^\"]*\"", "");
			v2 = Regex.Replace(v2, "\r\n *", "");
			v2 = Regex.Replace(v2, "version *= *\"[^\"]*\"", "");
			int iStart = 0;
			int l1 = v1.Length;
			int l2 = v2.Length;
			int l3 = Math.Min(l1, l2);
			while (iStart < l3 && v1[iStart] == v2[iStart])
				iStart++;
			int iEnd1 = l1 - 1;
			int iEnd2 = l2 - 1;
			while (iStart < iEnd1 && iStart < iEnd2 && v1[iEnd1] == v2[iEnd2])
			{
				iEnd1--;
				iEnd2--;
			}
			if (iStart < iEnd1) Console.WriteLine("v1 = {0}", v1.Substring(iStart, iEnd1 - iStart));
			if (iStart < iEnd2) Console.WriteLine("v2 = {0}", v2.Substring(iStart, iEnd2 - iStart));

		}
		private bool MatchingXML(string v1, string v2)
		{
			v1 = Regex.Replace(v1, "\r\n *", "");
			v1 = Regex.Replace(v1, "version *= *\"[^\"]*\"", "");
			v2 = Regex.Replace(v2, "\r\n *", "");
			v2 = Regex.Replace(v2, "version *= *\"[^\"]*\"", "");
			int l1 = v1.Length;
			int l2 = v2.Length;
			if(l1 != l2 )return false;
			//int l3 = Math.Min(l1, l2);
			//int l4 = Math.Max(l1, l2);
			for (int i = 0; i < l1; i++)
				if (v1[i] != v2[i]) return false;
			return true;
					//Console.WriteLine("{0} - {1},{2}",i, showChar(v1[i]), showChar(v2[i]));
			//if(l1 > l3)Console.WriteLine("v1 = {0}",v1.Substring(l3));
			//if(l2 > l3)Console.WriteLine("v2 = {0}",v2.Substring(l3));
		}
		//private object showChar(char c)
		//{
		//  int i = (int)c;
		//  if (i <= 32)
		//    return string.Format("<{0}>", i);
		//  else
		//    return c.ToString();
		//}
		public void BasicSave()
		{
			using (Item itm = MyItemInfo.Get())
			{
				itm.MyContent.MyGrid.Data = MyFlexGrid.GetXMLData();
				itm.Save();
				//MyItemInfo.MyContent.MyGrid.ResetContent(itm.MyContent.MyGrid);
			}
		}
		public override bool CanExpand { get { return false; } set { ;} }
		public override void HandleResize() { ;}		// DONE
		public override void MatchExpanded() { ;}		// DONE
		public override void ItemSelect()
		{
			Console.WriteLine("GridItem ItemSelect {0} {1}",MyFlexGrid.Row, MyFlexGrid.Col);
			// Was getting an Error that _MyStepRTB was Disposed RHM 20101217
			if (!MyFlexGrid.Disposing)
			{
				Focus();
				MyFlexGrid.Focus();
				if (!MyFlexGrid.IsRoTable) // Table ROs are none editable - don't select a table cell
				{
					try
					{
						MyFlexGrid.Select(0, 0);
						MyFlexGrid.FirstEntry = true; // to fix a problem with initial mouse click into table
					}
					catch (Exception ex)
					{
						MessageBox.Show("The content of this table is corrupted.  You will either need to restore a previous version or delete it.", "Table Corrupted", MessageBoxButtons.OK, MessageBoxIcon.Information);
					}
				}
			}
			else
			{
				_MyLog.WarnFormat("Attempt to give Focus to Disposed Object {0}", MyID);
			}
			ScrollToCenter();
		}
		public override void ItemShow()
		{
			MyFlexGrid.Focus();
			ScrollToCenter();
		}
		public StepRTB DisplayRoStepRTB;
		public override StepRTB MyStepRTB 
		{ 
			get 
			{
				return MyFlexGrid.TableCellEditor;
			} 
		}
		public override DialogResult ReplaceText(string rpltxt, string fndstr, bool caseSensitive, bool matchWholeWord, bool reverse, bool prompt, IWin32Window fndrpldlg)
		{
			int r = MyFlexGrid.Row;
			int c = MyFlexGrid.Col;

			if (!reverse)
			{
				int w = MyFlexGrid.Cols.Count;
				int h = MyFlexGrid.Rows.Count;
				while (r < h)
				{
					CellRange cr = MyFlexGrid.GetMergedRange(r, c);
					if (cr.r1 == r && cr.c1 == c)
					{
						int ss = MyStepRTB.SelectionStart;
						int sl = MyStepRTB.SelectionLength;
						MyFlexGrid.StartEditing();
						MyStepRTB.Select(ss, sl);		// need to reset selection because startediting positions to end.
						if (MyStepRTB.ReadOnly)
						{
							MessageBox.Show("Cannot replace linked text!", "Find/Replace", MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1, MessageBoxOptions.DefaultDesktopOnly);
							return DialogResult.Yes;
						}
						string oldRtf = MyStepRTB.Rtf;
						DialogResult dr = MyStepRTB.ReplaceText(rpltxt, fndstr, caseSensitive, matchWholeWord, reverse, prompt, fndrpldlg);
						if (oldRtf != MyStepRTB.Rtf) MyFlexGrid[r, c] = MyStepRTB.Rtf;
						if (dr == DialogResult.Yes || dr == DialogResult.Cancel) return dr;
					}
					c = c + 1;
					if (c == w)
					{
						c = 0;
						r = r + 1;
					}
					if (r < h)
					{
						MyFlexGrid.Select(r, c);
						MyStepRTB.Select(0, 0);
					}
				}
			}
			else   // reverse
			{
				while (r >= 0)
				{
					CellRange cr = MyFlexGrid.GetMergedRange(r, c);
					if (cr.r1 == r && cr.c1 == c)
					{
						int ss = MyStepRTB.SelectionStart;
						int sl = MyStepRTB.SelectionLength;
						MyFlexGrid.StartEditing();
						MyStepRTB.Select(ss, sl);
						if (MyStepRTB.ReadOnly)
						{
							MessageBox.Show("Cannot replace linked text!", "Find/Replace", MessageBoxButtons.OK, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1, MessageBoxOptions.DefaultDesktopOnly);
							return DialogResult.Yes;
						}
						string oldRtf = MyStepRTB.Rtf;
						DialogResult dr = MyStepRTB.ReplaceText(rpltxt, fndstr, caseSensitive, matchWholeWord, reverse, prompt, fndrpldlg);
						if (oldRtf != MyStepRTB.Rtf) MyFlexGrid[r, c] = MyStepRTB.Rtf;
						if (dr == DialogResult.Yes || dr == DialogResult.Cancel) return dr;
					}
					c = c - 1;
					if (c < 0)
					{
						c = MyFlexGrid.Cols.Count - 1;
						r = r - 1;
					}
					cr = MyFlexGrid.GetMergedRange(r, c);
					if (r >= 0 && cr.r1 == r && cr.c1 == c)
					{
						MyFlexGrid.Select(r, c);
						MyFlexGrid.StartEditing();
						MyStepRTB.Select(MyStepRTB.Text.Length, 0);
					}
				}
			}
			return DialogResult.No;
		}
		public override bool FindText(string str, bool caseSensitive, bool matchWholeWord, bool reverse)
		{
			if (MyFlexGrid.Row < 0) MyFlexGrid.Row = (reverse) ? MyFlexGrid.Rows.Count - 1 : 0;
			if (MyFlexGrid.Col < 0) MyFlexGrid.Col = (reverse) ? MyFlexGrid.Cols.Count - 1 : 0;
			int r = MyFlexGrid.Row;
			int c = MyFlexGrid.Col;
			if (!reverse)
			{
				int w = MyFlexGrid.Cols.Count;
				int h = MyFlexGrid.Rows.Count;
				while (r < h)
				{
					CellRange cr = MyFlexGrid.GetMergedRange(r, c);
					if (cr.r1 == r && cr.c1 == c)
					{
						int ss = MyStepRTB.SelectionStart + MyStepRTB.SelectionLength;
						MyFlexGrid.StartEditing();
						MyStepRTB.Select(ss, 0);	// need to reset selection because startediting positions to end.
						bool scn = MyStepRTB.FindText(str, caseSensitive, matchWholeWord, reverse);
						if (scn) return true;
					}
					c = c + 1;
					if (c == w)
					{
						c = 0;
						r = r + 1;
					}
					if (r < h)
					{
						MyFlexGrid.Select(r, c);
						MyStepRTB.Select(0, 0);
					}
				}
			}
			else
			{
				while (r >= 0)
				{
					CellRange cr = MyFlexGrid.GetMergedRange(r, c);
					if (cr.r1 == r && cr.c1 == c)
					{
						int ss = MyStepRTB.SelectionStart;
						MyFlexGrid.StartEditing();
						MyStepRTB.Select(ss, 0);
						bool scn = MyStepRTB.FindText(str, caseSensitive, matchWholeWord, reverse);
						if (scn) return true;
					}
					c = c - 1;
					if (c < 0)
					{
						c = MyFlexGrid.Cols.Count - 1;
						r = r - 1;
					}
					cr = MyFlexGrid.GetMergedRange(r, c);
					if (r >= 0 && cr.r1 == r && cr.c1 == c)
					{
						MyFlexGrid.Select(r, c);
						MyFlexGrid.StartEditing();
						MyStepRTB.Select(MyStepRTB.Text.Length, 0);
					}
				}
			}
			return false;
		}
		public override void PositionToEnd()
		{
			int r = MyFlexGrid.Rows.Count - 1;
			int c = MyFlexGrid.Cols.Count - 1;
			MyFlexGrid.Select(r, c);
			while (r >= 0)
			{
				CellRange cr = MyFlexGrid.GetMergedRange(r, c);
				if (cr.r1 == r && cr.c1 == c)
				{
					MyFlexGrid.StartEditing();
					return;
				}
				c = c - 1;
				if (c < 0)
				{
					c = MyFlexGrid.Cols.Count - 1;
					r = r - 1;
				}
				if (r >= 0)
				{
					MyFlexGrid.Select(r, c);
					MyStepRTB.Select(MyStepRTB.Text.Length, 0);
				}
			}
		}
		public override void PositionToStart()
		{
			MyFlexGrid.Select(0,0);
			MyFlexGrid.StartEditing();
			MyStepRTB.Select(0, 0);
		}
		public override string SelectedTextForFind
		{
			get
			{
				StepRTB srtb = MyStepRTB;
				if (srtb.SelectionLength > 0)
				{
					if (srtb.IsSelectionLinked(srtb.SelectionStart, srtb.SelectionLength))
						return srtb.SelectedText.Substring(0, srtb.SelectedText.IndexOf("#Link"));
					else
						return srtb.SelectedText;
				}
				return null;
			}
		}
		public override bool SpellCheckNext()
		{
			if (MyFlexGrid.IsRoTable) return true; // skip RO Tables
			int r = MyFlexGrid.Row;
			int c = MyFlexGrid.Col;
			int w = MyFlexGrid.Cols.Count;
			int h = MyFlexGrid.Rows.Count;
			while (r < h)
			{
				CellRange cr = MyFlexGrid.GetMergedRange(r, c);
				if (cr.r1 == r && cr.c1 == c)
				{
					MyFlexGrid.Select(r, c);
					MyFlexGrid.StartEditing();
					string oldRtf = MyStepRTB.Rtf;
					bool scn = MyStepRTB.SpellCheckNext();
					if (oldRtf != MyStepRTB.Rtf) MyFlexGrid[r, c] = MyStepRTB.Rtf;
					if (!scn) return false;
				}
				c = c + 1;
				if (c == w)
				{
					c = 0;
					r = r + 1;
				}
			}
			return true;
		}
		public override void IdentifyMe(bool highlight)
		{
			if (highlight)
			{
				MyFlexGrid.StyleBackColor = Color.Gray;
				MyFlexGrid.Styles.Fixed.BackColor = Color.Gray;
			}
			else
			{
				MyFlexGrid.Styles.Fixed.BackColor = MyFlexGrid.DefaultFixedBackgroundColor;
				MyFlexGrid.StyleBackColor = MyFlexGrid.DefaultCellBackgroundcolor;
				if (MyFlexGrid.Focused) // If active Set BackColor to the active color
					SetActive();
				else // Otherwise Set the BackColor to either the InactiveColor or the AnnotationColor
				{
					MyFlexGrid.StyleBackColor = 
						MyItemInfo.ItemAnnotationCount == 0 ? MyStepPanel.InactiveColor : MyStepPanel.AnnotationColor;
					// Turn-off Size adjustment
					MyFlexGrid.Cols.Fixed = 0;
					MyFlexGrid.Rows.Fixed = 0;
				}
			}
		}
		public override void SetActive() 
		{
			Console.WriteLine("GridItem SetActive");
			AdjustColorsForEditMode();
		}
		private bool _Empty = false;
		public override bool Empty
		{
			get { return _Empty; }
			set { _Empty = value; }
		}
		private bool _Initializing = false;
		public bool Initializing
		{
			get { return _Initializing; }
			set { _Initializing = value; }
		}
		private bool _ActiveMode = false;
		public override void RefreshDisplay(bool activeMode) 
		{
			Console.WriteLine("GridItem RefreshDisplay {0}",activeMode);
			_ActiveMode = activeMode;
			//XmlDocument xd = new XmlDocument();
			//xd.LoadXml(MyItemInfo.MyContent.MyGrid.Data);
			//using (StringReader sr = new StringReader())
			Initializing = true;
			MyFlexGrid.LoadGrid(MyItemInfo);
			Initializing = false;
			MyFlexGrid.KeyActionTab = KeyActionEnum.MoveAcross;
			MyFlexGrid.AdjustGridControlSize();
			// When a grid is read from XML, all of the styles are updated to the values in the XML.
			// Thus any specific settings need to be set after the grid is read.
			MyFlexGrid.Styles["Highlight"].BackColor = Color.LightCyan;
			MyFlexGrid.Styles["Focus"].BackColor = Color.LightCyan;
			MyFlexGrid.HighLight = activeMode ? C1.Win.C1FlexGrid.HighLightEnum.Always : C1.Win.C1FlexGrid.HighLightEnum.WithFocus;
			MyFlexGrid.VwMode = MyStepPanel.VwMode;
		}
		public override void ToggleEditView(E_ViewMode vwMode) 
		{
			/*
			 * TODO:
			 *  1) SaveContents
			 */
			RefreshDisplay(false);
			MyFlexGrid.VwMode = vwMode;
		}
		public override int TabLeft { get { return lblTab.Left; } set { lblTab.Left = value; } }
		public override Font TabFont { get { return lblTab.Font; } set { lblTab.Font = value; } }
		public override string TabText { get { return lblTab.Text; } }
		public override Point TabLocation { get { return lblTab.Location; } }
		public override Font ContentFont { get { return MyFlexGrid.Font; } set { MyFlexGrid.Font  = value; } }  // TODO how do we know what font tables are in?
		public override float ContentTop { get { return MyFlexGrid.Top; } }
		public override void SetupHeader(ItemInfo itemInfo) { ;}		// tables do not have headers
		public override void ShowExpanded() {;}
		public override void SetText() 
		{
			// if this is an RO Table, regenerate xml.  This is done in the case that
			// the rotable was updated by the ro editor.
			//if (MyFlexGrid.IsRoTable) RefreshGridData();
			RefreshDisplay(false);
			IdentifyMe(false);
		}

		//private void RefreshGridData()
		//{
		//    string ROID = MyFlexGrid.ROID;
		//    int rodbid = MyFlexGrid.RODbId;
		//    //MyFlexGrid.Clear();
		//    ROFSTLookup MyROFSTLookup = MyItemInfo.MyDocVersion.DocVersionAssociations[0].MyROFst.ROFSTLookup;
		//    MyFlexGrid.ConvertTableROToGrid(MyROFSTLookup.GetRoValue(ROID), rodbid, ROID);
		//    //ConvertTableToGrid(MyROFSTLookup.GetRoValue(ROID), rodbid, ROID);
		//    //MyFlexGrid.RODbId = rodbid;
		//    //MyFlexGrid.ROID = ROID;
		//    //MyFlexGrid.IsRoTable = true;
		//    //SaveContents();
		//}
		public override void SetExpandAndExpander(ItemInfo itemInfo) { CanExpand = false; } // can't expand a table
		public void SavePastedCellRoTran()
		{
			if (!MyFlexGrid.GetXMLData().Contains("&lt;NewID&gt;")) return;
			BasicSave();
			// need to loop thru all pasted cells:  for now do all cells.
			int w = MyFlexGrid.Cols.Count;
			int h = MyFlexGrid.Rows.Count;
			int r = 0;
			int c = 0;
			String Rtf = null;
			while (r < h)
			{
				CellRange cr = MyFlexGrid.GetMergedRange(r, c);
				if (cr.r1 == r && cr.c1 == c)
				{
					Rtf = (string)MyFlexGrid[r, c];
					if (Rtf != null)
					{
						int startIndx = 0;
						while (Rtf.IndexOf("<NewID>") > -1)
						{
							// first find the new link and determine whether it's RO or transition.
							int indx = Rtf.IndexOf(@"#Link:ReferencedObject:<NewID>", startIndx);
							if (indx > 0)
							{
								// only look in the substring limited by the first occurrance of [END>.  If there is more
								// than one, don't get multiple links in the string.
								int endindx = Rtf.IndexOf(@"END>", indx) + 4;
								Match mro = Regex.Match(Rtf.Substring(indx, endindx - indx), @"([A-Za-z]*):(.*)\[END>");
								string linkstr = mro.Groups[2].Value;
								string[] roparts = linkstr.Split(" ".ToCharArray());
								ContentRoUsage rousg = null;
								int oldid = -1;
								using (Item itm = MyItemInfo.Get())
								{
									using (RODb rodb = RODb.GetJustRoDb(Convert.ToInt32(roparts[2])))
									{
										rousg = itm.MyContent.ContentRoUsages.Add(roparts[1], rodb);
									}
									oldid = rousg.ROUsageID;
									int newid = Rtf.IndexOf("<NewID>", indx);
									Rtf = Rtf.Remove(newid, 7);
									Rtf = Rtf.Insert(newid, string.Format("<CROUSGID={0}>", rousg.ROUsageID));
									itm.Save();
									Rtf = Rtf.Replace(string.Format("<CROUSGID={0}>", oldid), rousg.ROUsageID.ToString());
									itm.Save();
									MyItemInfo.MyContent.RefreshContentRoUsages();
								}
								startIndx = endindx;
							}
							else
							{
								Match mt = Regex.Match(Rtf, @"#Link:Transition:([0-9]+) <NewID> ");
								if (mt.Length <= 0) mt = Regex.Match(Rtf, @"#Link:TransitionRange:([0-9]+) <NewID> ");
								if (mt.Length > 0)
								{
									int endtindx = Rtf.IndexOf("END>", mt.Index) + 4;
									indx = mt.Index + 6;  // get past '#Link:"
									Match m = Regex.Match(Rtf.Substring(indx, endtindx - indx), @"([A-Za-z]*):(.*)\[END>");
									bool isSingleTran = true;
									if (Rtf.Substring(indx, 16).IndexOf("TransitionRange") >= 0) isSingleTran = false;
									string linkstr = m.Groups[2].Value;
									string[] tparts = linkstr.Split(" ".ToCharArray());
									int type = System.Convert.ToInt32(tparts[0]);
									int tr1 = System.Convert.ToInt32(tparts[2]);		// tparts[2] is token for tranid
									int tr2 = tr1;
									if (tparts.Length > 3)
										tr2 = System.Convert.ToInt32(tparts[3]);		// tparts[3] is token for rangeid
									bool dispose1 = false;
									Item itm1 = null;
									bool dispose2 = false;
									Item itm2 = null;
									using (Item itm = MyItemInfo.Get())
									{
										if (itm.ItemID == tr1)
											itm1 = itm;  // a transition that points to itself should not dispose
										else
										{
											dispose1 = true;
											itm1 = Item.Get(tr1);
										}
										if (itm.ItemID == tr2)
											itm2 = itm;  // a transition that points to itself should not dispose
										else if (tr1 == tr2)
											itm2 = itm1; // if both destinations are the same only dispose the first one
										else
										{
											dispose2 = true;
											itm2 = Item.Get(tr2);
										}
										ContentTransition ct = itm.MyContent.ContentTransitions.Add(itm1, itm2);
										//Console.WriteLine("CT {0},{1},{2},{3}", ct.TransitionID, itm.ItemID, itm.MyContent.MyContentUnique, itm.MyContent.ContentTransitions.Count);
										ct.TranType = type;

										if (isSingleTran)
											ct.IsRange = 0;
										else if (tr1 != tr2)
											ct.IsRange = 1;
										else
											ct.IsRange = 2;

										int oldidt = ct.TransitionID;
										int newidt = Rtf.IndexOf("<NewID>", indx);
										Rtf = Rtf.Remove(newidt, 7);
										Rtf = Rtf.Insert(newidt, string.Format("<CTID={0}>", ct.TransitionID));
										//Rtf = Rtf.Replace("<NewID>", string.Format("<CTID={0}>", ct.TransitionID));
										itm.Save();
										Rtf = Rtf.Replace(string.Format("<CTID={0}>", oldidt), ct.TransitionID.ToString());
										itm.Save();
										MyItemInfo.MyContent.RefreshContentTransitions();
									}
									if (dispose2) itm2.Dispose();
									if (dispose1) itm1.Dispose();
								}
							}
						}
						MyFlexGrid[r, c] = Rtf;
					}
				}
				c = c + 1;
				if (c == w)
				{
					c = 0;
					r = r + 1;
				}
			}
		}
		public override void SaveCurrentAndContents()
		{
			IsSaving = true;
			if (MyFlexGrid.Row >= 0 && MyFlexGrid.Col >= 0 && MyStepRTB.EditMode) // Only if a Cell is Selected
			{
				int row = MyFlexGrid.Row;
				int col = MyFlexGrid.Col;
				//SaveContents();
				DoNotRefresh = true;
				MyStepRTB.Rtf = MyStepRTB.DoNewLinkInGridCell();
				DoNotRefresh = false;
				MyFlexGrid.Row = row;
				MyFlexGrid.Col = col;
				MyFlexGrid[MyFlexGrid.Row, MyFlexGrid.Col] = MyStepRTB.Rtf;
			}
			if (!MyFlexGrid.IsDirty) return;
			SaveContents();
			IsSaving = false;
		}
		#endregion
		#region Miscellaneous Support
		internal void SetSearchCell(string SearchString)
		{
			// Walk thru grid to find first occurance of SearchString and set that cell for
			// edit.
			int r = 0;
			int c = 0;
			int w = MyFlexGrid.Cols.Count;
			int h = MyFlexGrid.Rows.Count;
			while (r < h)
			{
				CellRange cr = MyFlexGrid.GetMergedRange(r, c);
				if (cr.r1 == r && cr.c1 == c)
				{
					if (MyFlexGrid[r, c] != null)
					{
						MyFlexGrid.StartEditing(r, c);
						TableCellEditor tce = MyFlexGrid.TableCellEditor;
						// note that this method is only used from Search Results.  
						// The search query will handle the case sensitivity, so 
						// we can just see if contains the string without considering
						// case sensitivity.
						if (tce.Text.ToUpper().Contains(SearchString.ToUpper()))
							return;
					}
				}
				c = c + 1;
				if (c == w)
				{
					c = 0;
					r = r + 1;
				}
			}
		}

		#endregion
	}
}
