/*
 * MenuItem.cs
 * Authors: Mike Dapiran
 * Copyright (c) 2007-2008 Cornell University

 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 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#region Using Declarations

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

#endregion

namespace tAC_Engine.ScreenStates
{
	/// <summary>
	/// Represents a basic menu item for a menu screen.
	/// </summary>
	public class MenuItem
	{
		#region Fields

		/// <summary>
		/// Tells whether the menu item is selected or not.
		/// </summary>
		protected bool m_Selected = false;

		/// <summary>
		/// The color to draw the text as.
		/// </summary>
		protected Color m_DrawColor;

		/// <summary>
		/// The text for the given menu item.
		/// </summary>
		protected string m_Text;

		/// <summary>
		/// The position, on screen, for the given menu item.
		/// </summary>
		protected Vector2 m_Position;

		/// <summary>
		/// The base color for the text.
		/// </summary>
		protected Color m_BaseColor = Color.White;

		/// <summary>
		/// The color for when the menu item is selected.
		/// </summary>
		protected Color m_SelectedColor = Color.Yellow;

		#endregion

		#region Properties

		/// <summary>
		/// Gets/Sets whether the menu item is selected or not.
		/// </summary>
		public bool Selected
		{
			get { return m_Selected; }
			set
			{
				m_Selected = value;
				if (m_Selected)
					m_DrawColor = m_SelectedColor;
				else
					m_DrawColor = m_BaseColor;
			}
		}

		/// <summary>
		/// Gets/Sets the text for the given menu item.
		/// </summary>
		public string Text
		{
			get { return m_Text; }
			set { m_Text = value; }
		}

		/// <summary>
		/// Gets/Sets the position, on screen, for the given menu item.
		/// </summary>
		public Vector2 Position
		{
			get { return m_Position; }
			set { m_Position = value; }
		}

		/// <summary>
		/// Gets/Sets the base color for the text. 
		/// </summary>
		public Color BaseColor
		{
			get { return m_BaseColor; }
			set { m_BaseColor = value; }
		}

		/// <summary>
		/// Gets/Sets the color for when the menu item is selected.
		/// </summary>
		public Color SelectedColor
		{
			get { return m_SelectedColor; }
			set { m_SelectedColor = value; }
		}

		#endregion

		#region Constructs

		/// <summary>
		/// The constructos
		/// </summary>
		/// <param name="p_Text">Text for the given menu.</param>
		/// <param name="p_Position">The position for the given menu.</param>
		public MenuItem(string p_Text, Vector2 p_Position)
		{
			m_Text = p_Text;
			m_Position = p_Position;
			Selected = false;
		}

		#endregion

		#region Draw

		/// <summary>
		/// Draw's the given menu item.
		/// </summary>
		/// <param name="p_SpriteBatch">The sprite batch to draw with.</param>
		/// <param name="p_SpriteFont">The font to use for the drawing.</param>
		public void Draw(SpriteBatch p_SpriteBatch, SpriteFont p_SpriteFont)
		{
			p_SpriteBatch.Begin();
			p_SpriteBatch.DrawString(p_SpriteFont, m_Text, m_Position, m_DrawColor);
			p_SpriteBatch.End();
		}

		#endregion

		#region Accept

		/// <summary>
		/// Performs the needed operations for when the menu item has been accepted
		/// </summary>
		public virtual void Accept() { }

		#endregion
	}
}