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

namespace ProjectTemplateEditor
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class FormMain : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.ImageList imageList1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem menuItem1;
		private System.Windows.Forms.MenuItem itmOpen;
		private System.ComponentModel.IContainer components;
		private System.Windows.Forms.TextBox txtName;
		private System.Windows.Forms.TextBox txtNS;
		private System.Windows.Forms.Button btnAdd;
		private System.Windows.Forms.Button btnRemove;
		private System.Windows.Forms.MenuItem itmNew;
		private System.Windows.Forms.MenuItem menuItem3;
		private System.Windows.Forms.MenuItem itmSave;
		private System.Windows.Forms.MenuItem itmSaveAs;
		private System.Windows.Forms.MenuItem menuItem6;
		private System.Windows.Forms.MenuItem itmExit;

		TreeNode _file;
		TreeNode _project;
		TreeNode _folder;
		string _filename = null;
		NodeType _nodeType;
		string _guid = null;
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.TreeView tree;
		private System.Windows.Forms.Splitter splitter1;
		private System.Windows.Forms.PropertyGrid propDisplay;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox txtIcon;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox txtHelp;

		static readonly string AppName = "PN Project Template Editor";

		public FormMain()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(FormMain));
			this.txtName = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.btnAdd = new System.Windows.Forms.Button();
			this.btnRemove = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.txtNS = new System.Windows.Forms.TextBox();
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.menuItem1 = new System.Windows.Forms.MenuItem();
			this.itmNew = new System.Windows.Forms.MenuItem();
			this.menuItem3 = new System.Windows.Forms.MenuItem();
			this.itmOpen = new System.Windows.Forms.MenuItem();
			this.itmSave = new System.Windows.Forms.MenuItem();
			this.itmSaveAs = new System.Windows.Forms.MenuItem();
			this.menuItem6 = new System.Windows.Forms.MenuItem();
			this.itmExit = new System.Windows.Forms.MenuItem();
			this.panel1 = new System.Windows.Forms.Panel();
			this.propDisplay = new System.Windows.Forms.PropertyGrid();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.tree = new System.Windows.Forms.TreeView();
			this.label3 = new System.Windows.Forms.Label();
			this.txtIcon = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.txtHelp = new System.Windows.Forms.TextBox();
			this.panel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// txtName
			// 
			this.txtName.Location = new System.Drawing.Point(88, 8);
			this.txtName.Name = "txtName";
			this.txtName.Size = new System.Drawing.Size(208, 20);
			this.txtName.TabIndex = 0;
			this.txtName.Text = "";
			// 
			// label1
			// 
			this.label1.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(72, 16);
			this.label1.TabIndex = 1;
			this.label1.Text = "Name:";
			this.label1.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// imageList1
			// 
			this.imageList1.ColorDepth = System.Windows.Forms.ColorDepth.Depth32Bit;
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
			// 
			// btnAdd
			// 
			this.btnAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.btnAdd.Enabled = false;
			this.btnAdd.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnAdd.Location = new System.Drawing.Point(8, 304);
			this.btnAdd.Name = "btnAdd";
			this.btnAdd.Size = new System.Drawing.Size(128, 24);
			this.btnAdd.TabIndex = 4;
			this.btnAdd.Text = "&Add";
			this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
			// 
			// btnRemove
			// 
			this.btnRemove.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.btnRemove.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.btnRemove.Location = new System.Drawing.Point(144, 304);
			this.btnRemove.Name = "btnRemove";
			this.btnRemove.Size = new System.Drawing.Size(80, 24);
			this.btnRemove.TabIndex = 5;
			this.btnRemove.Text = "&Remove";
			// 
			// label2
			// 
			this.label2.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.label2.Location = new System.Drawing.Point(8, 40);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(72, 16);
			this.label2.TabIndex = 7;
			this.label2.Text = "Namespace:";
			this.label2.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// txtNS
			// 
			this.txtNS.Location = new System.Drawing.Point(88, 40);
			this.txtNS.Name = "txtNS";
			this.txtNS.Size = new System.Drawing.Size(208, 20);
			this.txtNS.TabIndex = 6;
			this.txtNS.Text = "urn:example";
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.menuItem1});
			// 
			// menuItem1
			// 
			this.menuItem1.Index = 0;
			this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.itmNew,
																					  this.menuItem3,
																					  this.itmOpen,
																					  this.itmSave,
																					  this.itmSaveAs,
																					  this.menuItem6,
																					  this.itmExit});
			this.menuItem1.Text = "&File";
			// 
			// itmNew
			// 
			this.itmNew.Index = 0;
			this.itmNew.Shortcut = System.Windows.Forms.Shortcut.CtrlN;
			this.itmNew.Text = "&New";
			this.itmNew.Click += new System.EventHandler(this.itmNew_Click);
			// 
			// menuItem3
			// 
			this.menuItem3.Index = 1;
			this.menuItem3.Text = "-";
			// 
			// itmOpen
			// 
			this.itmOpen.Index = 2;
			this.itmOpen.Shortcut = System.Windows.Forms.Shortcut.CtrlO;
			this.itmOpen.Text = "&Open";
			this.itmOpen.Click += new System.EventHandler(this.itmOpen_Click);
			// 
			// itmSave
			// 
			this.itmSave.Index = 3;
			this.itmSave.Shortcut = System.Windows.Forms.Shortcut.CtrlS;
			this.itmSave.Text = "&Save";
			this.itmSave.Click += new System.EventHandler(this.itmSave_Click);
			// 
			// itmSaveAs
			// 
			this.itmSaveAs.Index = 4;
			this.itmSaveAs.Text = "Save &As...";
			this.itmSaveAs.Click += new System.EventHandler(this.itmSaveAs_Click);
			// 
			// menuItem6
			// 
			this.menuItem6.Index = 5;
			this.menuItem6.Text = "-";
			// 
			// itmExit
			// 
			this.itmExit.Index = 6;
			this.itmExit.Text = "E&xit";
			this.itmExit.Click += new System.EventHandler(this.itmExit_Click);
			// 
			// panel1
			// 
			this.panel1.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.panel1.Controls.Add(this.propDisplay);
			this.panel1.Controls.Add(this.splitter1);
			this.panel1.Controls.Add(this.tree);
			this.panel1.Location = new System.Drawing.Point(8, 64);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(576, 232);
			this.panel1.TabIndex = 8;
			// 
			// propDisplay
			// 
			this.propDisplay.CommandsVisibleIfAvailable = true;
			this.propDisplay.Dock = System.Windows.Forms.DockStyle.Fill;
			this.propDisplay.LargeButtons = false;
			this.propDisplay.LineColor = System.Drawing.SystemColors.ScrollBar;
			this.propDisplay.Location = new System.Drawing.Point(336, 0);
			this.propDisplay.Name = "propDisplay";
			this.propDisplay.Size = new System.Drawing.Size(240, 232);
			this.propDisplay.TabIndex = 5;
			this.propDisplay.Text = "propertyGrid1";
			this.propDisplay.ViewBackColor = System.Drawing.SystemColors.Window;
			this.propDisplay.ViewForeColor = System.Drawing.SystemColors.WindowText;
			this.propDisplay.PropertyValueChanged += new System.Windows.Forms.PropertyValueChangedEventHandler(this.propDisplay_PropertyValueChanged);
			// 
			// splitter1
			// 
			this.splitter1.Location = new System.Drawing.Point(328, 0);
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(8, 232);
			this.splitter1.TabIndex = 4;
			this.splitter1.TabStop = false;
			// 
			// tree
			// 
			this.tree.Dock = System.Windows.Forms.DockStyle.Left;
			this.tree.HideSelection = false;
			this.tree.ImageList = this.imageList1;
			this.tree.Location = new System.Drawing.Point(0, 0);
			this.tree.Name = "tree";
			this.tree.Size = new System.Drawing.Size(328, 232);
			this.tree.TabIndex = 3;
			this.tree.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.tree_AfterSelect);
			// 
			// label3
			// 
			this.label3.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.label3.Location = new System.Drawing.Point(304, 40);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(72, 16);
			this.label3.TabIndex = 12;
			this.label3.Text = "Icon File:";
			this.label3.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// txtIcon
			// 
			this.txtIcon.Location = new System.Drawing.Point(384, 40);
			this.txtIcon.Name = "txtIcon";
			this.txtIcon.Size = new System.Drawing.Size(168, 20);
			this.txtIcon.TabIndex = 11;
			this.txtIcon.Text = "";
			// 
			// label4
			// 
			this.label4.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.label4.Location = new System.Drawing.Point(304, 8);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(72, 16);
			this.label4.TabIndex = 10;
			this.label4.Text = "Help File:";
			this.label4.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// txtHelp
			// 
			this.txtHelp.Location = new System.Drawing.Point(384, 8);
			this.txtHelp.Name = "txtHelp";
			this.txtHelp.Size = new System.Drawing.Size(168, 20);
			this.txtHelp.TabIndex = 9;
			this.txtHelp.Text = "";
			// 
			// FormMain
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(592, 334);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.txtIcon);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.txtHelp);
			this.Controls.Add(this.panel1);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.txtNS);
			this.Controls.Add(this.btnRemove);
			this.Controls.Add(this.btnAdd);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.txtName);
			this.Menu = this.mainMenu1;
			this.Name = "FormMain";
			this.Text = "PN Project Template Editor";
			this.Load += new System.EventHandler(this.FormMain_Load);
			this.panel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.EnableVisualStyles();
			Application.DoEvents();
			Application.Run(new FormMain());
		}

		private void FormMain_Load(object sender, System.EventArgs e)
		{
			//tree.
			_project = new TreeNode( "Project", 1, 1 );
			_folder = new TreeNode( "Folder", 2, 2 );
			_file = new TreeNode( "File", 3, 3 );
			setup();
		}

		private void itmOpen_Click(object sender, System.EventArgs e)
		{
			OpenFileDialog ofd = new OpenFileDialog();
			ofd.Filter = "Project Templates (*.pnpt)|*.pnpt";
			ofd.CheckFileExists = true;
			if(ofd.ShowDialog(this) == DialogResult.OK)
			{
				_filename = ofd.FileName;
				
				FileLoader fl = new FileLoader();
				ProjectConfig theConfig = fl.Load(_filename);
				
				show(theConfig);
				
				Text = AppName + " - " + System.IO.Path.GetFileName( _filename );
			}
		}

		private void setup()
		{
			tree.Nodes.Clear();
			//tree.Nodes.Add( new TreeNode( "Project Group", 0, 0 ) );

			txtIcon.Text = "";
			txtHelp.Text = "";
			txtName.Text = "";
			txtNS.Text = "urn:example";
			_project.Nodes.Clear();
			_folder.Nodes.Clear();
			_file.Nodes.Clear();
			_project.Tag = new Set(SetType.Project);
			_folder.Tag = new Set(SetType.Folder);
			_file.Tag = new Set(SetType.File);
			
			tree.Nodes.Add( _project );
			tree.Nodes.Add( _folder );
			tree.Nodes.Add( _file );

			_guid = "{" + System.Guid.NewGuid().ToString() + "}";

			enableButtons();
		}

		private void show(ProjectConfig c)
		{
			setup();

			txtName.Text = c.Name;
			txtNS.Text = c.XmlNameSpace;
			txtIcon.Text = c.Icon;
			txtHelp.Text = c.HelpFile;
			_guid = c.GUID;
			
			foreach(Set s in c.Sets)
			{
				switch(s.Type)
				{
					case SetType.Project:
					{
						_project.Tag = s;
					}
						break;
					case SetType.Folder:
					{
						_folder.Tag = s;
					}
						break;
					case SetType.File:
					{
						_file.Tag = s;
					}
						break;
				}
			}

			displaySet(_project);
			displaySet(_folder);
			displaySet(_file);
		}

		void displaySet(TreeNode tn)
		{
			if(tn.Tag == null)
				return;

			foreach(Group g in ((Set)tn.Tag).Groups)
			{
				TreeNode group = new TreeNode( g.Description, 6, 6 );
				group.Tag = g;
				tn.Nodes.Add(group);
				
				displayGroup(group);
			}

			tn.Expand();
		}

		void displayGroup(TreeNode group)
		{
			if(group.Tag == null)
				return;

			foreach(Category c in ((Group)group.Tag).Categories)
			{
				TreeNode cat = new TreeNode( c.Description, 4, 4 );
				cat.Tag = c;
				group.Nodes.Add(cat);

				displayCat(cat);
			}

			group.Expand();
		}

		void displayCat(TreeNode cat)
		{
			if(cat.Tag == null)
				return;

			foreach(OptionBase o in ((Category)cat.Tag).Options)
			{
				TreeNode opt = new TreeNode( o.Description, 5, 5 );
				opt.Tag = o;
				cat.Nodes.Add(opt);
			}

			cat.Expand();
		}

		private void tree_AfterSelect(object sender, System.Windows.Forms.TreeViewEventArgs e)
		{
			propDisplay.SelectedObject = null;

			if(e.Node != null && e.Node.Tag != null)
			{
				propDisplay.SelectedObject = e.Node.Tag;
			}

			if(tree.SelectedNode.Tag is Set)
			{
				_nodeType = NodeType.Set;
			}
			else if(tree.SelectedNode.Tag is Group)
			{
				_nodeType = NodeType.Group;
			}
			else if(tree.SelectedNode.Tag is Category)
			{
				_nodeType = NodeType.Category;
			}
			else
			{
				_nodeType = NodeType.Value;
			}

			enableButtons();
		}

		void enableButtons()
		{
			bool selection = tree.SelectedNode != null;
			if(selection)
			{
				switch(_nodeType)
				{
					case NodeType.Set:
						btnAdd.Text = "Add Group";
						break;

					case NodeType.Group:
						btnAdd.Text = "Add Category";
						break;

					case NodeType.Value:
					case NodeType.Category:
						btnAdd.Text = "Add Value";
						break;
				}
			}
			
			btnAdd.Enabled = selection;
			btnRemove.Enabled = selection;
			itmSave.Enabled = _filename != null && _filename != "";
		}

		private void btnAdd_Click(object sender, System.EventArgs e)
		{
			switch(_nodeType)
			{
				case NodeType.Set:
					addGroup();
					break;

				case NodeType.Group:
					addCategory();
					break;

				case NodeType.Value:
				case NodeType.Category:
					addValue();
					break;
			}
		}

		void addGroup()
		{
			Set theSet = (Set)tree.SelectedNode.Tag;
			Group theGroup = new Group();
			theGroup.Name = "setme";
			theGroup.Description = "New Option Group";
			theSet.Groups.Add( theGroup );
			
			tree.SelectedNode.Nodes.Clear();
			displaySet( tree.SelectedNode );
			tree.SelectedNode = tree.SelectedNode.Nodes[tree.SelectedNode.Nodes.Count - 1];
		}

		void addCategory()
		{
			Group theGroup = (Group)tree.SelectedNode.Tag;
			Category theCategory = new Category();
			theCategory.Name = "setme";
			theCategory.Description = "New Category";
			theGroup.Categories.Add( theCategory );
			
			tree.SelectedNode.Nodes.Clear();
			displayGroup( tree.SelectedNode );
			tree.SelectedNode = tree.SelectedNode.Nodes[tree.SelectedNode.Nodes.Count - 1];
		}

		void addValue()
		{
			TypeInputForm tif = new TypeInputForm();
			if(tif.ShowDialog(this) == DialogResult.OK)
			{
				OptionBase theOption = OptionFactory.CreateOption(tif.Result);
				Category theCategory;
				TreeNode theNode;
				if(tree.SelectedNode.Tag is Category)
					theNode = tree.SelectedNode;
				else
					theNode = tree.SelectedNode.Parent;

				theCategory = (Category)theNode.Tag;
				theCategory.Options.Add(theOption);
				theNode.Nodes.Clear();
				displayCat( theNode );
				tree.SelectedNode = theNode.Nodes[theNode.Nodes.Count - 1];
			}
		}

		private void propDisplay_PropertyValueChanged(object s, System.Windows.Forms.PropertyValueChangedEventArgs e)
		{
			if(e.ChangedItem.Label == "Description" && propDisplay.SelectedObject is IDescribed)
			{
				tree.SelectedNode.Text = ((IDescribed)propDisplay.SelectedObject).Description;
			}
		}

		private void itmNew_Click(object sender, System.EventArgs e)
		{
			setup();
			Text = AppName;
			enableButtons();
		}

		private void itmSave_Click(object sender, System.EventArgs e)
		{
			save();
		}

		private void itmSaveAs_Click(object sender, System.EventArgs e)
		{
			SaveFileDialog sfd = new SaveFileDialog();
			sfd.Filter = "Project Templates (*.pnpt)|*.pnpt";
			if(_filename != null)
				sfd.InitialDirectory = System.IO.Path.GetDirectoryName(_filename);
			
			if(sfd.ShowDialog(this) == DialogResult.OK)
			{
				_filename = sfd.FileName;
				save();
				Text = AppName + " - " + System.IO.Path.GetFileName(_filename);
			}
		}

		void save()
		{
			FileLoader fl = new FileLoader();
			ProjectConfig pc = new ProjectConfig();
			
			pc.Name = txtName.Text;
			pc.XmlNameSpace = txtNS.Text;
			pc.GUID = _guid;
			pc.HelpFile = txtHelp.Text;
			pc.Icon = txtIcon.Text;
			if( ((Set)_project.Tag).Groups.Count > 0 )
				pc.Sets.Add( _project.Tag );
			if( ((Set)_file.Tag).Groups.Count > 0 )
				pc.Sets.Add( _file.Tag );
			if( ((Set)_folder.Tag).Groups.Count > 0 )
				pc.Sets.Add( _folder.Tag );
			
			fl.Save(_filename, pc);

			enableButtons();
		}

		private void itmExit_Click(object sender, System.EventArgs e)
		{
			Close();
		}
	}
}