using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace DynamicLink.Controls
{
    public class MyButton : Button
    {
        private readonly Color ColorNormal1 = Color.FromArgb(0xff, 0xee, 0xee, 0xee);
        private readonly Color ColorNormal2 = Color.FromArgb(0xff, 0xbb, 0xbb, 0xbb);
        private readonly Color ColorFocus1 = Color.FromArgb(0xff, 0xff, 0xff, 0xff);
        private readonly Color ColorFocus2 = Color.FromArgb(0xff, 0xc8, 0xc8, 0xc8);
        private readonly Color ColorPressed1 = Color.FromArgb(0xff, 0xbb, 0xbb, 0xbb);
        private readonly Color ColorPressed2 = Color.FromArgb(0xff, 0xdd, 0xdd, 0xdd);

        public bool IsMouseOver { get; private set; }
        public bool IsPressed { get; private set; }

        public MyButton() : base()
        {
            this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
            this.SetStyle(ControlStyles.Opaque, false);

            //this.Paint += new PaintEventHandler(MyButton_Paint);
            this.MouseEnter += new EventHandler(MyButton_MouseEnter);
            this.MouseLeave += new EventHandler(MyButton_MouseLeave);
            this.MouseDown += new MouseEventHandler(MyButton_MouseDown);
            this.MouseUp += new MouseEventHandler(MyButton_MouseUp);
        }

        #region Mouse input
        void MyButton_MouseUp(object sender, MouseEventArgs e)
        {
            if (e.Button == System.Windows.Forms.MouseButtons.Left)
            {
                IsPressed = false;
                this.Invalidate();
            }
        }

        void MyButton_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == System.Windows.Forms.MouseButtons.Left)
            {
                IsPressed = true;
                this.Invalidate();
            }
        }

        void MyButton_MouseLeave(object sender, EventArgs e)
        {
            IsMouseOver = false;
            this.Invalidate();
        }

        void MyButton_MouseEnter(object sender, EventArgs e)
        {
            IsMouseOver = true;
            this.Invalidate();
        }
        #endregion

        protected override void OnPaint(PaintEventArgs e)
        {
            // base.OnPaint(pevent);
            //InvalidateEx();

            // Create gradient
            LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, this.Width, this.Height), ColorNormal1, ColorNormal2, 90);
            if (this.IsMouseOver) brush = new LinearGradientBrush(new Rectangle(0, 0, this.Width, this.Height), ColorFocus1, ColorFocus2, 90);
            if (this.IsPressed) brush = new LinearGradientBrush(new Rectangle(0, 0, this.Width, this.Height), ColorPressed1, ColorPressed2, 90);

            // Set up graphics
            // e.Graphics.Clear(this.BackColor);
            e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

            // Draw rectangle
            RoundedRectangle.FillRoundedRectangle(e.Graphics, new Rectangle(0, 0, this.Width - 1, this.Height - 1), brush, 4);
            e.Graphics.DrawPath(Pens.Gray, RoundedRectangle.GetPath(new Rectangle(0, 0, this.Width - 1, this.Height - 1), 4));

            // Draw text
            SizeF size = e.Graphics.MeasureString(this.Text, this.Font);
            e.Graphics.DrawString(this.Text, this.Font, Brushes.Black, (this.Width - size.Width) / 2, (this.Height - size.Height) / 2);
        }

        private void InitializeComponent()
        {
            this.SuspendLayout();
            // 
            // MyButton
            // 
            this.BackColor = System.Drawing.Color.Transparent;
            this.UseVisualStyleBackColor = false;
            this.ResumeLayout(false);

        }


    }
}