using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using VEPROMS.CSLA.Library;
using Csla;
using DevComponents;
using DevComponents.DotNetBar;
using DevComponents.DotNetBar.Rendering;
using Csla.Validation;
using VEPROMS.Properties;
using Volian.Controls.Library;
using DescriptiveEnum;

[assembly: log4net.Config.XmlConfigurator(Watch = true)]

namespace VEPROMS
{
	enum PropPgStyle { Button = 1, Tab = 2, Grid = 3 };

	public partial class frmVEPROMS : DevComponents.DotNetBar.Office2007RibbonForm
	{
		#region Log4Net
		private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
		#endregion
		Folder _LastFolder = null;
		FolderInfo _LastFolderInfo = null;
		Procedure _LastProcedure = null;
		ProcedureInfo _LastProcedureInfo = null;
		DocVersion _LastDocVersion = null;
		DocVersionInfo _LastDocVersionInfo = null;
		SectionInfo _LastSectionInfo = null;
		Section _LastSection = null;
		VETreeNode _LastTreeNode = null;
		Step _LastStep = null;
		StepInfo _LastStepInfo = null;
		Color _CommentTitleBckColor;

		VETreeNode _PrevBookMark = null;

		public frmVEPROMS()
		{
			InitializeComponent();

			// set the color of the ribbon
			RibbonPredefinedColorSchemes.ChangeOffice2007ColorTable((eOffice2007ColorScheme)Settings.Default.SystemColor);

			VETreeNode tn = VETreeNode.GetFolder(1);
			tv.Nodes.Add(tn);
			tv.NodeNew += new Volian.Controls.Library.vlnTreeViewTreeNodeEvent(tv_NodeNew);
			tv.NodeDragDrop += new Volian.Controls.Library.vlnTreeViewEvent(tv_NodeDragDrop);
			tv.NodeDelete += new Volian.Controls.Library.vlnTreeViewBoolEvent(tv_NodeDelete);
			tv.NodeProperties += new Volian.Controls.Library.vlnTreeViewEvent(tv_NodeProperties);
			_CommentTitleBckColor = epComments.TitleStyle.BackColor1.Color;
			epComments.Expanded = false;
			// TODO: load previously set bookmarks
			btnPrevPos.Enabled = false;
			btnClrBookMrks.Enabled = false;
			btnRmvCurBookMrk.Enabled = false;
			lbxBookMarks.Enabled = false;
			_PrevBookMark = null;
		}

		private void frmVEPROMS_FormClosing(object sender, FormClosingEventArgs e)
		{
			// Save the location and size of the VE-PROMS appication for this user
			Settings.Default.Location = this.Location;
			Settings.Default.Size = this.Size;
			Settings.Default.Save();
		}

		private void frmVEPROMS_Load(object sender, EventArgs e)
		{
			// get the saved location and size of the VE-PROMS appication for this user
			if (Settings.Default["Location"] != null) this.Location = Settings.Default.Location;
			if (Settings.Default["Size"] != null) this.Size = Settings.Default.Size;
		}

		#region Tree View

		/// <summary>
		/// Get the selected tree node's properties
		/// </summary>
		/// <param name="node">VETreeNode</param>
		void SetupNodes(VETreeNode node)
		{
			if (!node.Equals(_LastTreeNode))
			{
				_LastTreeNode = node;
				_LastFolderInfo = null;
				_LastFolder = null;
				_LastDocVersion = null;
				_LastProcedure = null;
				_LastSection = null;
				_LastStep = null;
				epComments.Expanded = false;
				rtxbComment.Text = "";
				epComments.TitleStyle.BackColor1.Color = _CommentTitleBckColor;

				switch (node.VEObject.GetType().Name)
				{
					case "FolderInfo":
						_LastFolderInfo = (FolderInfo)(_LastTreeNode.VEObject);
						_LastFolder = _LastFolderInfo.Get();
						break;
					case "DocVersionInfo":
						_LastDocVersionInfo = (DocVersionInfo)(node.VEObject);
						_LastDocVersion = _LastDocVersionInfo.Get();
						break;
					case "ProcedureInfo":
						_LastProcedureInfo = (ProcedureInfo)(_LastTreeNode.VEObject);
						_LastProcedure = _LastProcedureInfo.Get();
						OpenItem((ItemInfo)_LastProcedureInfo);
						if (_LastProcedureInfo.ItemAnnotationCount > 0)
						{
							if (!cbCmntDontPopup.Checked)
								epComments.Expanded = true;
							rtxbComment.Text = _LastProcedureInfo.ItemAnnotations[0].SearchText;
						}
						break;
					case "SectionInfo":
						_LastSectionInfo = (SectionInfo)(_LastTreeNode.VEObject);
						_LastSection = _LastSectionInfo.Get();
						OpenItem((ItemInfo)_LastSectionInfo);
						if (_LastSectionInfo.ItemAnnotationCount > 0)
						{
							if (!cbCmntDontPopup.Checked)
								epComments.Expanded = true;
							rtxbComment.Text = _LastSectionInfo.ItemAnnotations[0].SearchText;
						}
						break;
					case "StepInfo":
						_LastStepInfo = (StepInfo)(_LastTreeNode.VEObject);
						_LastStep = _LastStepInfo.Get();
						OpenItem((ItemInfo)_LastStepInfo);
						if (_LastStepInfo.ItemAnnotationCount > 0)
						{
							if (!cbCmntDontPopup.Checked)
								epComments.Expanded = true;
							rtxbComment.Text = _LastStepInfo.ItemAnnotations[0].SearchText;
							itemAnnotationsBindingSource.DataSource = _LastStepInfo.ItemAnnotations;
							epComments.TitleStyle.BackColor1.Color = Color.Yellow;
						}
						#region Sample Display Table Code
						// display an exiting table in that rtf grid thing
						//if ((_LastStepInfo.MyContent.Type == 20007) || (_LastStepInfo.MyContent.Type == 20009))
						//{
						//   //MessageBox.Show("Source Grid");
						//   //frmTable newtable1 = new frmTable(_LastStepInfo.MyContent.Text);
						//   //newtable1.ShowDialog();
						//   //MessageBox.Show("IGrid");
						//   //frmIGrid newtable2 = new frmIGrid(_LastStepInfo.MyContent.Text);
						//   //newtable2.ShowDialog();
						//   //MessageBox.Show("GridView"); //standard Visual Studio Control
						//   //frmGridView newtable3 = new frmGridView(_LastStepInfo.MyContent.Text);
						//   //newtable3.ShowDialog();
						//   MessageBox.Show("FlexCell");
						//   frmFlexCell newtable4 = new frmFlexCell(_LastStepInfo.MyContent.Text);
						//   newtable4.ShowDialog();
						//}
						#endregion
						break;
					default:
						break;
				}
				setupRibbonTabs(node);
			}
		}

		bool tv_NodeDelete(object sender, Volian.Controls.Library.vlnTreeEventArgs args)
		{
			SetupNodes((VETreeNode)args.Node);
			if (_LastTreeNode.Nodes.Count > 0)
			{
				MessageBox.Show("Folder not empty", "Folder must be empty");
				return false;
			}
			else
			{
				if (_LastFolderInfo != null)
				{
					DialogResult result = MessageBox.Show("Are you sure you want to delete " + _LastFolderInfo.Name, "Verify Folder Delete",
					  MessageBoxButtons.YesNo, MessageBoxIcon.Question);
					if (result == DialogResult.Yes)
					{
						Folder.Delete(_LastFolderInfo.FolderID);
						return true;
					}
				}
				else
				{
					MessageBox.Show("Not a folder", "Only Folder can be deleted");
				}
			}
			return false;
		}

		bool IsFolder(VETreeNode veTreeNode)
		{
			return (veTreeNode.VEObject.GetType().Name == "FolderInfo");
		}

		void tv_NodeDragDrop(object sender, Volian.Controls.Library.vlnTreeEventArgs args)
		{
			VETreeNode drag = (VETreeNode)args.Node;
			VETreeNode drop = (VETreeNode)args.Destination;
			if (IsFolder(drag) && IsFolder(drop))
			{
				FolderInfo fdragi = (FolderInfo)(drag.VEObject);
				Folder fdrag = fdragi.Get();
				FolderInfo fdropi = (FolderInfo)(drop.VEObject);
				fdrag.MyParent = fdropi.Get();
				fdrag.Save();
			}
		}

		TreeNode tv_NodeNew(object sender, Volian.Controls.Library.vlnTreeEventArgs args)
		{
			SaveIfChanged();
			FolderInfo fldi = (FolderInfo)((VETreeNode)(args.Node)).VEObject;
			_LastFolder = Folder.MakeFolder(fldi.Get(), fldi.Get().MyConnection, "New Folder", string.Empty, "Short Name", null, string.Empty, DateTime.Now, "Test");
			BrokenRulesCollection brs = _LastFolder.BrokenRulesCollection;// .BrokenRules();
			if (brs != null)
			{
				foreach (BrokenRule br in brs)
				{
					Console.WriteLine("broken rule {0}", br.Description);
				}
			}
			_LastFolderInfo = FolderInfo.Get(_LastFolder.FolderID);
			VETreeNode tn = new VETreeNode((IVEDrillDownReadOnly)_LastFolderInfo);
			SetupNodes(tn);
			return tn;
		}

		private void SaveIfChanged()
		{
			SaveIfChanged<Folder>(_LastFolder);
			SaveIfChanged<DocVersion>(_LastDocVersion);
			SaveIfChanged2(_LastProcedure);
			SaveIfChanged2(_LastSection);
			SaveIfChanged2(_LastStep);
			if (_LastTreeNode != null) _LastTreeNode.ResetNode();
		}

		private void SaveIfChanged<T>(BusinessBase<T> tmp)
			where T : BusinessBase<T>
		{
			if (tmp == null) return;
			if (tmp.IsDirty == false) return;
			if (tmp.IsSavable)
				tmp = tmp.Save();
			else
			{
				foreach (Csla.Validation.BrokenRule br in tmp.BrokenRulesCollection)
				{
					Console.WriteLine("{0}", br.RuleName);
				}
			}
		}

		private void SaveIfChanged2(Item tmp)
		{
			SaveIfChanged<Item>(tmp);
		}

		private void tv_BeforeExpand(object sender, TreeViewCancelEventArgs e)
		{
			VETreeNode tn = ((VETreeNode)e.Node);
			tn.LoadingChildernDone += new VETreeNodeEvent(tn_LoadingChildernDone);
			tn.LoadingChildernMax += new VETreeNodeEvent(tn_LoadingChildernMax);
			tn.LoadingChildernValue += new VETreeNodeEvent(tn_LoadingChildernValue);
			tn.LoadingChildrenSQL += new VETreeNodeEvent(tn_LoadingChildrenSQL);
			tn.LoadChildren();

		}
		private void tv_AfterSelect(object sender, TreeViewEventArgs e)
		{
			SaveIfChanged();
			SetupNodes((VETreeNode)e.Node);
			this.Text = "VE-PROMS - " + e.Node.Text; // build and display window caption

		}

		void tv_NodeProperties(object sender, Volian.Controls.Library.vlnTreeEventArgs args)
		{
			DisplayProperties();
		}

		#endregion

		#region Property Page and Grid

		/// <summary>
		// this is used by tv_NodeProperties() and by ribbonFilePropertes_Click()
		// the type of the args parameter for these two functions is different and
		// type casting didn't work, so I put the guts in this function.
		/// </summary>
		private void DisplayProperties()
		{
			// check the user's preference on the style of poperty dialogs "PropPageStyle"
			//  1 - Button dialog interface
			//  2 - Tab dialog interface
			//  3 - Property Grid interface
			this.Cursor = Cursors.WaitCursor;
			if ((int)Settings.Default["PropPageStyle"] == (int)PropPgStyle.Grid)
				DoPropertyGrid(); // Will display a Property Grid interface
			else
				DoPropertyPages(); // Will display either a Button or a Tab dialog
			this.Cursor = Cursors.Default;
		}

		/// <summary>
		/// Button from the Ribbon Bar
		/// </summary>
		/// <param name="sender">object</param>
		/// <param name="e">EventArgs</param>
		private void btnProperties_Click(object sender, EventArgs e)
		{
			DisplayProperties();
		}

		/// <summary>
		/// Get a System.Drawing.Color from an Argb or color name
		/// </summary>
		/// <param name="strColor">Color Name or "[(alpha,)red,green,blue]"</param>
		/// <returns></returns>
		private static Color cGetColor(string strColor)
		{
		// This was copied from frmFolderProperties.CS
			Color rtnColor;
			if (strColor == null || strColor.Equals(""))
				rtnColor = Color.White;
			else
			{
				if (strColor[0] == '[')
				{
					string[] parts = strColor.Substring(1, strColor.Length - 2).Split(",".ToCharArray());
					int parts_cnt = 0;
					foreach (string s in parts)
					{
						parts[parts_cnt] = parts[parts_cnt].TrimStart(' '); // remove preceeding blanks
						parts_cnt++;
					}
					if (parts_cnt == 3)
						rtnColor = Color.FromArgb(Int32.Parse(parts[0]), Int32.Parse(parts[1]), Int32.Parse(parts[2]));
					else
						rtnColor = Color.FromArgb(Int32.Parse(parts[0].Substring(2)), Int32.Parse(parts[1].Substring(2)), Int32.Parse(parts[2].Substring(2)), Int32.Parse(parts[3].Substring(2)));
				}
				else rtnColor = Color.FromName(strColor);
			}
			return rtnColor;
		}

		private void SetupEditorColors(DisplayPanel vlnCSLAPanel1, TabPage pg)
		{
			// setup color
			if (_LastFolderInfo == null)
			{
				// user didn't select a FolderInfo type of node.
				// walk up the tree to find the first FolderInfo node type
				VETreeNode tn = (VETreeNode)(tv.SelectedNode);
				while (tn != null && tn.VEObject.GetType().Name != "FolderInfo")
					tn = (VETreeNode)tn.Parent;
				_LastFolderInfo = (FolderInfo)(tn.VEObject);
				_LastFolder = _LastFolderInfo.Get();
			}

			if ((_LastFolderInfo.FolderConfig.Color_editbackground != null) && !(_LastFolderInfo.FolderConfig.Color_editbackground.Equals("")))
			{
				vlnCSLAPanel1.ActiveColor = cGetColor(_LastFolderInfo.FolderConfig.Color_editbackground);
			}
			if ((_LastFolderInfo.FolderConfig.Default_BkColor != null) && !(_LastFolderInfo.FolderConfig.Default_BkColor.Equals("")))
			{
				vlnCSLAPanel1.InactiveColor = _LastFolderInfo.FolderConfig.Default_BkColor;
				vlnCSLAPanel1.TabColor = vlnCSLAPanel1.InactiveColor;
				vlnCSLAPanel1.PanelColor = vlnCSLAPanel1.InactiveColor;
				pg.BackColor = vlnCSLAPanel1.InactiveColor;
			}
		}

		/// <summary>
		/// Display a Property Page for the current tree node
		/// </summary>
		private void DoPropertyPages()
		{
			// Display a property page. (the ppStyle selects either a tabbed or button interface)
			VETreeNode tn = (VETreeNode)(tv.SelectedNode);
			switch (tn.VEObject.GetType().Name)
			{
				case "FolderInfo":
					frmFolderProperties frmfld = new frmFolderProperties(_LastFolder.FolderConfig);
					if (frmfld.ShowDialog() == DialogResult.OK)
						_LastFolder.Save();
					break;
				case "DocVersionInfo":
					frmVersionsProperties frmver = new frmVersionsProperties(_LastDocVersion.DocVersionConfig);
					if (frmver.ShowDialog() == DialogResult.OK)
						_LastDocVersion.Save();
					break;
				case "ProcedureInfo":
					frmProcedureProperties frmproc = new frmProcedureProperties(_LastProcedure.ProcedureConfig);
					if (frmproc.ShowDialog() == DialogResult.OK)
						_LastProcedure.Save();
					break;
				case "SectionInfo":
					frmSectionProperties frmsec = new frmSectionProperties(_LastSection.SectionConfig);
					if (frmsec.ShowDialog() == DialogResult.OK)
						_LastSection.Save();
					break;
			}
		}

		/// <summary>
		/// Display a property grid for the current tree node
		/// </summary>
		private void DoPropertyGrid()
		{
			// Display a property grid
			VETreeNode tn = (VETreeNode)(tv.SelectedNode);
			frmPropGrid propGrid = null;
			string title = "";
			switch (tn.VEObject.GetType().Name)
			{
				case "FolderInfo":
					title = string.Format("{0} Properties", _LastFolder.FolderConfig.Name);
					propGrid = new frmPropGrid(_LastFolder.FolderConfig, title);
				if ( propGrid.ShowDialog() == DialogResult.OK)
					_LastFolder.Save();
					break;
				case "DocVersionInfo":
					title = string.Format("{0}  Properties", _LastDocVersion.DocVersionConfig.Name);
					propGrid = new frmPropGrid(_LastDocVersion.DocVersionConfig, title);
				if ( propGrid.ShowDialog() == DialogResult.OK)
					_LastDocVersion.Save();
					break;
				case "ProcedureInfo":
					title = string.Format("{0}  {1} Properties", _LastProcedure.ProcedureConfig.Number, _LastProcedure.ProcedureConfig.Title);
					propGrid = new frmPropGrid(_LastProcedure.ProcedureConfig, title);
				if ( propGrid.ShowDialog() == DialogResult.OK)
					_LastProcedure.Save();
					break;
				case "SectionInfo":
					if (_LastSection.SectionConfig.Number.Length > 0)
						title = string.Format("{0}  {1} Properties", _LastSection.SectionConfig.Number, _LastSection.SectionConfig.Title);
					else
						title = string.Format("{0} Properties", _LastSection.SectionConfig.Title);
					propGrid = new frmPropGrid(_LastSection.SectionConfig, title);
				if ( propGrid.ShowDialog() == DialogResult.OK)
					_LastSection.Save();
					break;
			}
		}

		#endregion

		#region Table Insert Sample Code
		private void btnInsTable_Click(object sender, EventArgs e)
		{
			Point loc = btnInsTable.DisplayRectangle.Location;
			loc.X += 300;
			int top = this.Top + (btnInsTable.Size.Height * 2);
			TablePickerDlg(sender, e, loc, top);
		}

		private void TablePickerDlg(object sender, EventArgs e, Point loc, int top)
		{
			Accentra.Controls.TablePicker tp = new Accentra.Controls.TablePicker();
			tp.Location = loc;
			tp.Top += top;
			tp.Show();
			while (tp.Visible)
			{
				Application.DoEvents();
				System.Threading.Thread.Sleep(0);
			}
			// This was used to display a dialog containing a table grid
			// using a product called Source Grid - was for demo purposes only
			//
			//if (!tp.Cancel)
			//{
			//   frmTable newtable = new frmTable(tp.SelectedRows, tp.SelectedColumns);
			//   newtable.Show();
			//}
		}
		#endregion

		#region Edit/View Modes
		/// <summary>
		/// Edit Mode button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnEditMode_Click(object sender, EventArgs e)
		{
			btnEditView.Text = btnEditMode.Text;
		}

		/// <summary>
		/// View Mode button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnViewMode_Click(object sender, EventArgs e)
		{
			btnEditView.Text = btnViewMode.Text;
		}

		/// <summary>
		/// Insert button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnInsertMode_Click(object sender, EventArgs e)
		{
			btnInsOvr.Text = btnInsertMode.Text;
		}

		/// <summary>
		/// Overwrite button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnOverstrikeMode_Click(object sender, EventArgs e)
		{
			btnInsOvr.Text = btnOverstrikeMode.Text;
		}

		#endregion

		#region Multi User

		/// <summary>
		/// Set Lock button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnSetLock_Click(object sender, EventArgs e)
		{
			btnLckUlck.Image = btnSetLock.Image;
			btnLckUlck.Text = "Locked";
		}

		/// <summary>
		/// Release Lock button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnReleaseLck_Click(object sender, EventArgs e)
		{
			btnLckUlck.Image = btnReleaseLck.Image;
			btnLckUlck.Text = "Unlocked";
		}

		#endregion

		#region Progress Bar

		/// <summary>
		/// Used for the status bar in the lower left corner of the main screen
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="args"></param>
		void tn_LoadingChildrenSQL(object sender, VETreeNodeEventArgs args)
		{
			ProgBarText = "Loading SQL";
		}

		/// <summary>
		/// Used for the status bar in the lower left corner of the main screen
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="args"></param>
		void tn_LoadingChildernValue(object sender, VETreeNodeEventArgs args)
		{
			ProgBarValue = args.Value;
		}

		/// <summary>
		/// Used for the status bar in the lower left corner of the main screen
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="args"></param>
		void tn_LoadingChildernMax(object sender, VETreeNodeEventArgs args)
		{
			ProgBarMax = args.Value;
			ProgBarText = "Loading...";
		}

		/// <summary>
		/// Used for the status bar in the lower left corner of the main screen
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="args"></param>
		void tn_LoadingChildernDone(object sender, VETreeNodeEventArgs args)
		{
			ProgBarText = args.Info + " Seconds";
		}

		public int ProgBarMax
		{
			get { return bottomProgBar.Maximum; }
			set { bottomProgBar.Maximum = value; }
		}

		public int ProgBarValue
		{
			get { return bottomProgBar.Value; }
			set { bottomProgBar.Value = value; }
		}

		public string ProgBarText
		{
			get { return bottomProgBar.Text; }
			set {
				bottomProgBar.TextVisible = true;
				bottomProgBar.Text = value; 
			}
		}

		#endregion

		#region Views: Procedure Background Deviation
		/// <summary>
		/// Procedure Step View button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnViewPrcStp_Click(object sender, EventArgs e)
		{
			btnViewTypes.Text = btnViewPrcStp.Text;
		}

		/// <summary>
		/// Background Text View button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnViewBckgnd_Click(object sender, EventArgs e)
		{
			btnViewTypes.Text = btnViewBckgnd.Text;
		}

		/// <summary>
		/// Deviation Text View button on the bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnViewDev_Click(object sender, EventArgs e)
		{
			btnViewTypes.Text = btnViewDev.Text;
		}
		#endregion

		#region Bookmarks

		/// <summary>
		/// Mark Position button on bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnMarkPrevPos_Click(object sender, EventArgs e)
		{
			btnSetBookMrk_Click(sender, e);
		}

		/// <summary>
		/// Previous button on bottom tool bar
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnPrevPos_Click(object sender, EventArgs e)
		{
			if (_PrevBookMark != null)
			{
				VETreeNode jumpToHere = _PrevBookMark; // save current previous
				btnSetBookMrk_Click(sender, e); // save current as the new previous
				tv.SelectedNode = jumpToHere; // jump to the saved previous
			}
		}

		/// <summary>
		/// Clear Bookmarks button on Information pannel
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnClrBookMrks_Click(object sender, EventArgs e)
		{
			lbxBookMarks.Items.Clear();
			lbxBookMarks.Enabled = false;
			btnPrevPos.Enabled = false;
			btnClrBookMrks.Enabled = false;
			btnRmvCurBookMrk.Enabled = false;
			_PrevBookMark = null;
		}

		/// <summary>
		/// Remove Bookmark button on Information pannel
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnRmvCurBookMrk_Click(object sender, EventArgs e)
		{
			lbxBookMarks.Items.RemoveAt(lbxBookMarks.SelectedIndex);
			if (lbxBookMarks.Items.Count == 0)
			{
				lbxBookMarks.Enabled = false;
				btnPrevPos.Enabled = false;
				btnClrBookMrks.Enabled = false;
				btnRmvCurBookMrk.Enabled = false;
				_PrevBookMark = null;
			}
		}

		/// <summary>
		/// Adds the given tree node to the list of bookmarks
		/// </summary>
		/// <param name="bkmrk"></param>
		private void AddToBookMarkList(VETreeNode bkmrk)
		{
			if (!(lbxBookMarks.Items.Contains(bkmrk)))
				lbxBookMarks.Items.Add(bkmrk);
		}

		/// <summary>
		/// Set Bookmark button on the Information pannel
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnSetBookMrk_Click(object sender, EventArgs e)
		{
			VETreeNode tn = (VETreeNode)(tv.SelectedNode);
			AddToBookMarkList(tn);
			_PrevBookMark = tn;
			lbxBookMarks.Enabled = true;
			btnPrevPos.Enabled = true;
			btnClrBookMrks.Enabled = true;
			btnRmvCurBookMrk.Enabled = true;
		}

		/// <summary>
		/// Bookmarks List item double click event
		/// Jump to slected bookmark
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void lbxBookMarks_DoubleClick(object sender, EventArgs e)
		{
			if (lbxBookMarks.SelectedItem != null)
				tv.SelectedNode = (VETreeNode)lbxBookMarks.SelectedItem;
		}
		#endregion

		#region DisplayPanel

		/// <summary>
		/// Jump to the location referenced by the transition
		/// </summary>
		/// <param name="item"></param>
		private void OpenTransition(ItemInfo item)
		{
			OpenItem(item);
		}

		private void OpenItem(ItemInfo item)
		{
			DisplayPanel vlnCSLAPanel1 = AddProcedureTab(item.MyProcedure);
			vlnCSLAPanel1.ItemSelect(item);
		}

		private void vlnCSLAPanel1_LinkClicked(object sender, Volian.Controls.Library.DisplayLinkEventArgs args)
		{
			switch (args.Type)
			{
				case ParsedLinkType.ReferencedObject:
					MessageBox.Show(args.Roid, args.Type.ToString(), MessageBoxButtons.OK, MessageBoxIcon.Information);
					break;
				case ParsedLinkType.Transition:
				case ParsedLinkType.TransitionRange:
					OpenItem(args.MyTransition.MyItemToID);
					break;
			}
		}

		private DisplayPanel GetPanelFromPage(TabPage tp)
		{
			return (DisplayPanel)tp.Controls["vlnCSLAPanel1"];
		}

		private DisplayPanel AddProcedureTab(ItemInfo pi)
		{
			if (tc.TabPages.ContainsKey(pi.MyContent.Number))
			{
				tc.SelectTab(pi.MyContent.Number);
				return GetPanelFromPage(tc.SelectedTab);
			}
			else
			{
				TabPage pg = new TabPage(pi.MyContent.Number);
				pg.Name = pi.MyContent.Number;
				tc.TabPages.Add(pg);
				tc.SelectedTab = pg;
				DisplayPanel vlnCSLAPanel1 = new Volian.Controls.Library.DisplayPanel(this.components);
				pg.Controls.Add(vlnCSLAPanel1);
				// 
				// vlnCSLAPanel1
				// 
				vlnCSLAPanel1.ActiveColor = System.Drawing.Color.SkyBlue;
				vlnCSLAPanel1.AutoScroll = true;
				vlnCSLAPanel1.Dock = System.Windows.Forms.DockStyle.Fill;
				vlnCSLAPanel1.InactiveColor = System.Drawing.Color.Linen;
				vlnCSLAPanel1.Name = "vlnCSLAPanel1";
				vlnCSLAPanel1.PanelColor = System.Drawing.Color.LightGray;
				vlnCSLAPanel1.ProcFont = new System.Drawing.Font("Arial", 12F, System.Drawing.FontStyle.Bold);
				vlnCSLAPanel1.SectFont = new System.Drawing.Font("Arial", 10F, System.Drawing.FontStyle.Bold);
				vlnCSLAPanel1.StepFont = new System.Drawing.Font("Arial", 10F);
				vlnCSLAPanel1.TabColor = System.Drawing.Color.Beige;
				SetupEditorColors(vlnCSLAPanel1,pg); // check for overridden color values
				vlnCSLAPanel1.TabIndex = 9;
				vlnCSLAPanel1.LinkClicked += new Volian.Controls.Library.DisplayPanelLinkEvent(this.vlnCSLAPanel1_LinkClicked);
				vlnCSLAPanel1.MyItem = pi;
				return vlnCSLAPanel1;
			}
		}
		#endregion

		#region  Font

		/// <summary>
		/// Bold button on the ribbon
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnBold_Click(object sender, EventArgs e)
		{
			btnBold.Checked = !btnBold.Checked;
		}

		/// <summary>
		/// Italics button on the ribbon
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnItalics_Click(object sender, EventArgs e)
		{
			btnItalics.Checked = !btnItalics.Checked;
		}

		/// <summary>
		/// Underline button on the ribbon
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnUline_Click(object sender, EventArgs e)
		{
			btnUline.Checked = !btnUline.Checked;
		}
		#endregion

		#region Find/Replace and Search

		/// <summary>
		/// Find/Replace button on the ribbon
		/// Display the Find/Replace dialog
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnFindRplDlg_Click_1(object sender, EventArgs e)
		{
			FindReplace frmFindRepl = new FindReplace();
			frmFindRepl.Show();
		}

		/// <summary>
		/// Global Search button on the ribbon
		/// Opens the Information Pannel and selects the Results tab
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnGlbSrch_Click(object sender, EventArgs e)
		{
			infoPanel.Expanded = true;
			infoTabs.SelectedTab = infotabResults;
			btnSrchRslt.Checked = true;
		}

		#endregion

		#region Similar Steps

		/// <summary>
		/// Similar Steps button on the ribbon
		/// Opens the Information Pannel and selects the Results tab
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnSimStps_Click(object sender, EventArgs e)
		{
			infoPanel.Expanded = true;
			infoTabs.SelectedTab = infotabResults;
			btnSimStpsRslt.Checked = true;
		}

		#endregion

		#region Help/About

		/// <summary>
		/// About button on the ribbon
		/// Display the About dialog
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnAbout_Click(object sender, EventArgs e)
		{
			AboutVEPROMS about = new AboutVEPROMS();
			about.ShowDialog();
		}

		/// <summary>
		/// Volian Web button on the ribbon
		/// display the Volian web site on a pop up form
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnVlnWeb_Click(object sender, EventArgs e)
		{
			VlnWeb veWWW = new VlnWeb();
			veWWW.Show();
		}

		#endregion

		#region Ribbon

		/// <summary>
		/// Hide and Unhide ribbon tabs based on the type of tree node selected
		/// </summary>
		/// <param name="node"></param>
		private void setupRibbonTabs(VETreeNode node)
		{
			switch (node.VEObject.GetType().Name)
			{
				case "FolderInfo":
					rtabEdit.Visible = false;
					rtabTools.Visible = false;
					rbnPrint.Visible = false;
					ribbonControl1.SelectedRibbonTabItem = rtabHome;
					break;
				case "DocVersionInfo":
					rtabEdit.Visible = false;
					rtabTools.Visible = false;
					rbnPrint.Visible = false;
					ribbonControl1.SelectedRibbonTabItem = rtabHome;
					break;
				case "ProcedureInfo":
					rtabEdit.Visible = true;
					rtabTools.Visible = true;
					rbnPrint.Visible = true;
					ribbonControl1.SelectedRibbonTabItem = rtabEdit;
					break;
				case "SectionInfo":
					rtabEdit.Visible = true;
					rtabTools.Visible = true;
					rbnPrint.Visible = true;
					ribbonControl1.SelectedRibbonTabItem = rtabEdit;
					break;
				case "StepInfo":
					rtabEdit.Visible = true;
					rtabTools.Visible = true;
					rbnPrint.Visible = true;
					ribbonControl1.SelectedRibbonTabItem = rtabEdit;
					break;
				default:
					rtabEdit.Visible = false;
					rtabTools.Visible = false;
					rbnPrint.Visible = false;
					ribbonControl1.SelectedRibbonTabItem = rtabHome;
					break;
			}
		}

		/// <summary>
		/// Options button on the dialog that appears when the V icon is clicked (top left of application window)
		/// note that the "V icon" is also called the Office 2007 Start Button
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnOptions_Click(object sender, EventArgs e)
		{
			frmSysOptions VeSysOpts = new frmSysOptions();
			VeSysOpts.ShowDialog();

		}

		/// <summary>
		/// Exit button on the dialog that appears when the V icon is clicked (top left of application window)
		/// note that the "V icon" is also called the Office 2007 Start Button
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void btnExit_Click(object sender, EventArgs e)
		{
			this.Close();
		}
		#endregion

		#region ROTab
		private void tvROFST_BeforeExpand(object sender, TreeViewCancelEventArgs e)
		{
			LoadChildren(e.Node);
		}
		private void tvROFST_AfterSelect(object sender, TreeViewEventArgs e)
		{
			if (e.Node.Tag is ROFST.rochild)
			{
				ROFST.rochild chld = (ROFST.rochild)e.Node.Tag;
				if (chld.type == 1 && chld.value != null) tbROValue.Text = chld.value;
				else tbROValue.Text = null;
			}
			else
				tbROValue.Text = null;
		}
		private void LoadChildren(TreeNode tn)
		{
			object tag = tn.Tag;
			if (tn.FirstNode != null && tn.FirstNode.Text == "VLN_DUMMY_FOR_TREE") tn.FirstNode.Remove();
			ROFST.rochild[] chld = null;

			if (tn.Tag is ROFST.rodbi)
			{
				ROFST.rodbi db = (ROFST.rodbi)tn.Tag;
				chld = db.children;
			}
			else if (tn.Tag is ROFST.rochild)
			{
				ROFST.rochild ch = (ROFST.rochild)tn.Tag;
				chld = ch.children;
			}
			else
			{
				Console.WriteLine("error - no type");
				return;
			}
			// if children, add dummy node
			if (chld != null && chld.Length > 0)
			{
				for (int i = 0; i < chld.Length; i++)
				{
					TreeNode tmp = null;
					// if this is a group, i.e. type 0, add a dummy node
					if (chld[i].type == 0 && chld[i].children == null)
						//skip it.
						Console.WriteLine("ro junk");
					else if (chld[i].type == 1 && chld[i].value == null)
					{
						tmp = new TreeNode(chld[i].title);
						tmp.Tag = chld[i];
						tn.Nodes.Add(tmp);
						TreeNode sub = new TreeNode("VLN_DUMMY_FOR_TREE");
						tmp.Nodes.Add(sub);
					}
					else
					{
						tmp = new TreeNode(chld[i].title);
						tmp.Tag = chld[i];
						tn.Nodes.Add(tmp);
					}
				}
			}
		}
		private void LoadTree(ROFST rofst)
		{
			for (int i = 0; i < rofst.myHdr.myDbs.Length; i++)
			{
				TreeNode tn = new TreeNode(rofst.myHdr.myDbs[i].dbiTitle);
				tn.Tag = rofst.myHdr.myDbs[i];
				tvROFST.Nodes.Add(tn);
				AddDummyGroup(rofst.myHdr.myDbs[i], tn);
			}
		}
		private void AddDummyGroup(ROFST.rodbi rodbi, TreeNode tn)
		{
			if (rodbi.children != null && rodbi.children.Length > 0)
			{
				TreeNode tmp = new TreeNode("VLN_DUMMY_FOR_TREE");
				tn.Nodes.Add(tmp);
			}
		}
		private void infotabRO_Click(object sender, EventArgs e)
		{
			ROFST rofst = new ROFST("g:\\vehlp\\ro\\ro.fst");
			LoadTree(rofst);
		}
		#endregion

		#region TransitionTab
		private void infotabTransition_Click(object sender, EventArgs e)
		{
			// fill in combo box.
		}
		#endregion
	}
}