/*
 * PopupInfoBox.cs
 * Authors:
 * 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.
*/

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

namespace tAC_Engine.Graphics.Entities
{
	/// <summary>
	/// Defines a pop up info box to display variou information about an object
	/// </summary>
	public class PopupInfoBox : PopupSprite
	{
		#region Fields

		// The list of strings which provide information for the pop up box
		List<string> mInfoStrings = new List<string>();
		
		// The reference to the current sprite font to use for rendering text
		SpriteFont mSpriteFont;

		#endregion

		#region Properties

		/// <summary>
		/// Gets the list of strings which provide information for the pop up box
		/// </summary>
		public List<String> InfoStrings { get { return mInfoStrings; } }

		/// <summary>
		/// Gets/Sets the reference to the current sprite font to use for rendering text
		/// </summary>
		public SpriteFont SpriteFont
		{
			get { return mSpriteFont; }
			set { mSpriteFont = value; }
		}

		#endregion

		#region creation

		/// <summary>
		/// Constructor for the pop up info box
		/// </summary>
		/// <param name="pContent">Reference to the current content manager</param>
		/// <param name="pTexturePath">Path name to the texture to use</param>
		/// <param name="pCenter">The position of the center of the pop up info box</param>
		/// <param name="pTime">The amount of time the pop up box will last for</param>
		/// <param name="pFont">Reference to the sprite font used to render the text string</param>
		public PopupInfoBox(ContentManager pContent, string pTexturePath, Vector2 pCenter, float pTime, SpriteFont pFont)
		:base(pContent, pTexturePath, pCenter, pTime)
		{
			mSpriteFont = pFont;
		}

		#endregion

		#region Render

		/// <summary>
		/// Renders the pop up info box
		/// </summary>
		/// <param name="gameTime">Time that has passed in game</param>
		public override void Draw(Microsoft.Xna.Framework.GameTime gameTime)
		{
			base.Draw(gameTime);

			Vector2 stringPosition = new Vector2(this.Position.X + 5, this.Position.Y + 5);

			if (Visible && !GettingLarger && !GettingSmaller)
			{
				SpriteBatch.Begin();
				foreach (string s in mInfoStrings)
				{
					// If it's not null
					if (s != null)
					{
						this.SpriteBatch.DrawString(mSpriteFont, s, stringPosition, Color.White);
						stringPosition.Y += mSpriteFont.MeasureString(s).Y;
					}
				}
				SpriteBatch.End();
			}
		}

		#endregion

		#region List Management

		/// <summary>
		/// Adds a string to the list of strings in the pop up info box
		/// </summary>
		/// <param name="pStringToAdd">The string to add</param>
		public void AddInfoString(string pStringToAdd)
		{
			mInfoStrings.Add(pStringToAdd);
		}

		/// <summary>
		/// Clears the list of strings in the pop up info box
		/// </summary>
		public void ClearInfoStrings()
		{
			mInfoStrings.Clear();
		}

		#endregion
	}
}