// *********************************
// Message from Original Author:
//
// 2008 Jose Menendez Poo
// Please give me credit if you use this code. It's all I ask.
// Contact me for more info: menendezpoo@gmail.com
// *********************************
//
// Original project from http://ribbon.codeplex.com/
// Continue to support and maintain by http://officeribbon.codeplex.com/

using System.Drawing;
using System.Windows.Forms.RibbonHelpers;

namespace System.Windows.Forms
{
    /// <summary>
    /// Minimise, Maximise, Restore and Close buttons in the Ribbon caption area
    /// </summary>
    public class RibbonCaptionButton
       : RibbonButton
    {
        #region Subclasses

        /// <summary>
        /// Defines the possible caption buttons
        /// </summary>
        public enum CaptionButton
        {
            Minimize,
            Maximize,
            Restore,
            Close
        }
        #endregion

        #region Static

        public const string WindowsIconsFont = "Marlett";

        /// <summary>
        /// Gets the character to render the specified button type
        /// </summary>
        /// <param name="type">type of button</param>
        /// <returns>Character to use with "Marlett" font in Windows, some other representative characters when in other O.S.</returns>
        public static string GetCharFor(CaptionButton type)
        {
            if (WinApi.IsWindows)
            {
                switch (type)
                {
                    case CaptionButton.Minimize:
                        return "0";
                    case CaptionButton.Maximize:
                        return "1";
                    case CaptionButton.Restore:
                        return "2";
                    case CaptionButton.Close:
                        return "r";
                    default:
                        return "?";
                }
            }

            switch (type)
            {
                case CaptionButton.Minimize:
                    return "_";
                case CaptionButton.Maximize:
                    return "+";
                case CaptionButton.Restore:
                    return "^";
                case CaptionButton.Close:
                    return "X";
                default:
                    return "?";
            }
        }
        #endregion

        #region Fields

        #endregion

        #region Ctor
        /// <summary>
        /// Creates a new CaptionButton
        /// </summary>
        /// <param name="buttonType"></param>
        public RibbonCaptionButton(CaptionButton buttonType)
        {
            SetCaptionButtonType(buttonType);
        }
        #endregion

        #region Prop
        /// <summary>
        /// Gets the type of caption button this is
        /// </summary>
        public CaptionButton CaptionButtonType { get; private set; }

        #endregion

        #region Methods

        public override void OnClick(EventArgs e)
        {
            base.OnClick(e);

            Form f = Owner.FindForm();

            if (f == null) return;

            switch (CaptionButtonType)
            {
                case CaptionButton.Minimize:
                    f.WindowState = FormWindowState.Minimized;
                    break;
                case CaptionButton.Maximize:
                    if (f.WindowState == FormWindowState.Normal)
                    {
                        f.WindowState = FormWindowState.Maximized;
                        f.Refresh();
                    }
                    else
                    {
                        f.WindowState = FormWindowState.Normal;
                        f.Refresh();
                    }
                    break;
                case CaptionButton.Restore:
                    f.WindowState = FormWindowState.Normal;
                    break;
                case CaptionButton.Close:
                    f.Close();
                    break;
                default:
                    break;
            }
        }

        /// <summary>
        /// Sets value to the type of caption button
        /// </summary>
        /// <param name="buttonType"></param>
        internal void SetCaptionButtonType(CaptionButton buttonType)
        {
            Text = GetCharFor(buttonType);
            CaptionButtonType = buttonType;
        }

        internal override Rectangle OnGetTextBounds(RibbonElementSizeMode sMode, Rectangle bounds)
        {

            Rectangle r = bounds;
            r.X = bounds.Left + 3;
            return r;
        }

        #endregion
    }
}