DocMounter 2: A tool to build VS.NET documentation (now with Sandcastle)

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;

namespace TenTec.Utils
{
	internal class ControlTagList : System.Windows.Forms.UserControl
	{
		#region Designer Fields

		private System.Windows.Forms.Button fButtonAdd;
		private System.Windows.Forms.Label fLabelItemText;
		private TreeView fTreeViewItems;
		private TextBox fTextBoxItemText;
		private Label fLabelItems;
		private System.Windows.Forms.Button fButtonRemove;
		#endregion

		#region Component Designer generated code
		private void InitializeComponent()
		{
			this.fTreeViewItems = new System.Windows.Forms.TreeView();
			this.fButtonAdd = new System.Windows.Forms.Button();
			this.fLabelItemText = new System.Windows.Forms.Label();
			this.fButtonRemove = new System.Windows.Forms.Button();
			this.fTextBoxItemText = new System.Windows.Forms.TextBox();
			this.fLabelItems = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// fTreeViewItems
			// 
			this.fTreeViewItems.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
									| System.Windows.Forms.AnchorStyles.Left)
									| System.Windows.Forms.AnchorStyles.Right)));
			this.fTreeViewItems.FullRowSelect = true;
			this.fTreeViewItems.HideSelection = false;
			this.fTreeViewItems.Location = new System.Drawing.Point(0, 30);
			this.fTreeViewItems.Name = "fTreeViewItems";
			this.fTreeViewItems.ShowLines = false;
			this.fTreeViewItems.ShowPlusMinus = false;
			this.fTreeViewItems.Size = new System.Drawing.Size(336, 197);
			this.fTreeViewItems.TabIndex = 0;
			this.fTreeViewItems.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.fTreeViewItems_AfterSelect);
			// 
			// fButtonAdd
			// 
			this.fButtonAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.fButtonAdd.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.fButtonAdd.Location = new System.Drawing.Point(168, 0);
			this.fButtonAdd.Name = "fButtonAdd";
			this.fButtonAdd.Size = new System.Drawing.Size(81, 24);
			this.fButtonAdd.TabIndex = 3;
			this.fButtonAdd.Text = "Add";
			this.fButtonAdd.Click += new System.EventHandler(this.fButtonAdd_Click);
			// 
			// fLabelItemText
			// 
			this.fLabelItemText.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.fLabelItemText.AutoSize = true;
			this.fLabelItemText.Location = new System.Drawing.Point(3, 240);
			this.fLabelItemText.Name = "fLabelItemText";
			this.fLabelItemText.Size = new System.Drawing.Size(64, 16);
			this.fLabelItemText.TabIndex = 1;
			this.fLabelItemText.Text = "Item text:";
			// 
			// fButtonRemove
			// 
			this.fButtonRemove.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
			this.fButtonRemove.Enabled = false;
			this.fButtonRemove.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.fButtonRemove.Location = new System.Drawing.Point(255, 0);
			this.fButtonRemove.Name = "fButtonRemove";
			this.fButtonRemove.Size = new System.Drawing.Size(81, 24);
			this.fButtonRemove.TabIndex = 4;
			this.fButtonRemove.Text = "Remove";
			this.fButtonRemove.Click += new System.EventHandler(this.fButtonRemove_Click);
			// 
			// fTextBoxItemText
			// 
			this.fTextBoxItemText.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
									| System.Windows.Forms.AnchorStyles.Right)));
			this.fTextBoxItemText.Enabled = false;
			this.fTextBoxItemText.Location = new System.Drawing.Point(0, 259);
			this.fTextBoxItemText.Multiline = true;
			this.fTextBoxItemText.Name = "fTextBoxItemText";
			this.fTextBoxItemText.Size = new System.Drawing.Size(336, 69);
			this.fTextBoxItemText.TabIndex = 0;
			// 
			// fLabelItems
			// 
			this.fLabelItems.AutoSize = true;
			this.fLabelItems.Location = new System.Drawing.Point(3, 4);
			this.fLabelItems.Name = "fLabelItems";
			this.fLabelItems.Size = new System.Drawing.Size(45, 16);
			this.fLabelItems.TabIndex = 5;
			this.fLabelItems.Text = "Items:";
			// 
			// ControlTagList
			// 
			this.AutoScaleDimensions = new System.Drawing.SizeF(96F, 96F);
			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi;
			this.Controls.Add(this.fLabelItems);
			this.Controls.Add(this.fTextBoxItemText);
			this.Controls.Add(this.fButtonAdd);
			this.Controls.Add(this.fTreeViewItems);
			this.Controls.Add(this.fButtonRemove);
			this.Controls.Add(this.fLabelItemText);
			this.Font = new System.Drawing.Font("Tahoma", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(204)));
			this.Name = "ControlTagList";
			this.Size = new System.Drawing.Size(336, 328);
			this.ResumeLayout(false);
			this.PerformLayout();

		}
		#endregion

		#region Common
		public ControlTagList()
		{
			InitializeComponent();
		}
		public void Clear()
		{
			ClearItems();
		}
		#endregion

		#region TreeViewItems

		#region Fields
		private int fOldSelectedIndex = -1;
		private bool fLockSelectedIndexChanged = false;
		#endregion

		#region Methods
		private void SaveItem()
		{
			if(fOldSelectedIndex < 0)
				return;
			fLockSelectedIndexChanged = true;
			try
			{
				fTreeViewItems.Nodes[fOldSelectedIndex].Text = fTextBoxItemText.Text;
			}
			finally
			{
				fLockSelectedIndexChanged = false;
			}
		}
		private void OnSelectedIndexChanged()
		{
			if(fLockSelectedIndexChanged)
				return;
			SaveItem();
			if(fTreeViewItems.SelectedNode != null)
			{
				fButtonRemove.Enabled = true;
				fTextBoxItemText.Enabled = true;
				fTextBoxItemText.Text = fTreeViewItems.SelectedNode.Text as string;
			}
			else
			{
				fButtonRemove.Enabled = false;
				fTextBoxItemText.Enabled = false;
				fTextBoxItemText.Text = string.Empty;
			}
			if (fTreeViewItems.SelectedNode == null)
				fOldSelectedIndex = -1;
			else
				fOldSelectedIndex = fTreeViewItems.SelectedNode.Index;
		}
		private void fTreeViewItems_AfterSelect(object sender, TreeViewEventArgs e)
		{
			OnSelectedIndexChanged();
		}
		private void AddItem()
		{
			TreeNode myNode = fTreeViewItems.Nodes.Add("NewItem");
			fTreeViewItems.SelectedNode = myNode;
			OnItemCountChanged();
		}
		private void RemoveItem()
		{
			if (fTreeViewItems.SelectedNode == null)
				return;
			fOldSelectedIndex = -1;
			int mySelectedIntex = fTreeViewItems.SelectedNode.Index;
			if(mySelectedIntex >= 0)
			{
				fTreeViewItems.Nodes.RemoveAt(mySelectedIntex);
				if(fTreeViewItems.Nodes.Count > mySelectedIntex)
					fTreeViewItems.SelectedNode = fTreeViewItems.Nodes[mySelectedIntex];
				else if(fTreeViewItems.Nodes.Count > 0)
					fTreeViewItems.SelectedNode = fTreeViewItems.Nodes[fTreeViewItems.Nodes.Count-1];
				OnSelectedIndexChanged();
			}
			OnItemCountChanged();
		}
		private void ClearItems()
		{
			fOldSelectedIndex = -1;
			fTreeViewItems.Nodes.Clear();
			OnSelectedIndexChanged();
			OnItemCountChanged();
		}
		private void OnItemCountChanged()
		{
			if(ItemCountChanged != null)
				ItemCountChanged(this, EventArgs.Empty);
		}
		#endregion

		#endregion

		#region Buttons' Handlers
		private void fButtonAdd_Click(object sender, System.EventArgs e)
		{
			AddItem();
		}
		private void fButtonRemove_Click(object sender, System.EventArgs e)
		{
			RemoveItem();
		}
		#endregion

		#region Public Properties
		public string[] Items
		{
			get
			{
				SaveItem();
				string[] Items = new string[fTreeViewItems.Nodes.Count];
				for(int myIndex = 0; myIndex < fTreeViewItems.Nodes.Count; myIndex++)
					Items[myIndex] = fTreeViewItems.Nodes[myIndex].Text;
				return Items;
			}
		}
		public int ItemCount
		{
			get
			{
				return fTreeViewItems.Nodes.Count;
			}
		}
		#endregion

		#region Events
		public event EventHandler ItemCountChanged;
		#endregion
	}
}