/**

 * NameDialog.xaml.cs

 * 

 * The small dialog shown when creating or renaming a keyboard

 * shortcut profile.

 * 

 * * * * * * * * *

 * 

 * This code is part of the Stoffi Music Player Project.

 * Visit our website at: stoffiplayer.com

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 3 of the License, or (at your option) any later version.

 * 

 * See stoffiplayer.com/license for more information.

 **/



using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Shapes;



namespace Stoffi

{

	/// <summary>

	/// Interaction logic for NameDialog.xaml

	/// </summary>

	public partial class NameDialog : Window

	{

		#region Members



		private List<string> occupiedNames;



		#endregion



		#region Properties



		/// <summary>

		/// Gets or sets the name we are renaming from.

		/// If set to "" the dialog will act as if we are creating a name.

		/// </summary>

		public String RenameFrom { get; set; }



		#endregion



		#region Constructor



		/// <summary>

		/// Creates an instance of the name dialog

		/// </summary>

		/// <param name="occupied">A list of all occupied names</param>

		/// <param name="renameFrom">The original name. If set to "" dialog will act as creating a name</param>

		public NameDialog(List<string> occupied, String renameFrom = "")

		{

			U.L(LogLevel.Debug, "NAME DIALOG", "Initialize");

			InitializeComponent();

			U.L(LogLevel.Debug, "NAME DIALOG", "Initialized");

			occupiedNames = occupied;

			RenameFrom = renameFrom;

			if (RenameFrom != "") Title = U.T("DialogNameRenameTitle");

			else Title = U.T("DialogNameCreateTitle");

			ProfileName.Text = RenameFrom;

			ProfileName.Focus();

			ProfileName.SelectAll();

		}



		#endregion



		#region Methods



		#region Event handlers



		/// <summary>

		/// 

		/// </summary>

		/// <param name="sender"></param>

		/// <param name="e"></param>

		private void OK_Click(object sender, RoutedEventArgs e)

		{

			// allow rename to same name

			if (ProfileName.Text == RenameFrom && RenameFrom != "")

			{

				DialogResult = false;

				Close();

			}



			// check for duplicate names

			foreach (string name in occupiedNames)

			{

				if (name == ProfileName.Text)

				{

					Error.Text = U.T("DialogNameExistsError");

					Error.Visibility = System.Windows.Visibility.Visible;

					return;

				}

			}



			// check for invalid name

			// TODO: Pattern is too restrictive!

			Regex alphaNumPattern = new Regex("[^a-zA-Z0-9 ]");

			if (alphaNumPattern.IsMatch(ProfileName.Text))

			{

				Error.Text = U.T("DialogNameInvalidError");

				Error.Visibility = System.Windows.Visibility.Visible;

				return;

			}



			// check for empty name

			if (ProfileName.Text.Replace(" ", "").Replace("\t", "") == "")

			{

				Error.Text = U.T("DialogNameEmptyError");

				Error.Visibility = System.Windows.Visibility.Visible;

				return;

			}



			DialogResult = true;

			Close();

		}



		#endregion



		private void ShortcutProfileDialog_KeyDown(object sender, KeyEventArgs e)

		{

			if (e.Key == Key.Escape)

			{

				DialogResult = false;

				Close();

			}

		}



		#endregion

	}

}