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

namespace Lskj.Main
{
    public partial class Menu_Item : UserControl
    {
        private Image defaultImg, hoverImg;


        /// <summary>
        /// 所在行数
        /// </summary>
        public int menuRow;
        /// <summary>
        /// 所在子菜单
        /// </summary>
        public string menuNode;

        public Menu_Item()
        {
            InitializeComponent();
        }
        public Button GetButton()
        {
            return this.btn_item_img;
        }
        /// <summary>
        /// 设置模块显示名称
        /// </summary>
        public void SetMenuCaption(string text)
        {
            this.btn_item_title.Text = text;
            this.toolTip1.SetToolTip(this.btn_item_title, text);
        }
        /// <summary>
        /// 设置背景图标
        /// </summary>
        /// <param name="img"></param>
        public void SetMenuImg(Image img)
        {
            this.defaultImg = img;
            this.btn_item_img.BackgroundImage = img;
            this.btn_item_img.BackgroundImageLayout = ImageLayout.Center;
        }
        /// <summary>
        /// 设置选中背景图标
        /// </summary>
        /// <param name="img"></param>
        public void SetMenuHoverImg(Image img)
        {
            this.hoverImg = img;
        }
        /// <summary>
        /// 选中背景图片
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_item_img_MouseMove(object sender, MouseEventArgs e)
        {
            //(sender as Button).BackgroundImage = hoverImg;
            //(sender as Button).BackgroundImageLayout = ImageLayout.Center;

            this.BackColor = Color.White;
            this.Cursor = Cursors.Hand;
        }

        /// <summary>
        /// 还原背景
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_item_img_MouseLeave(object sender, EventArgs e)
        {
            //(sender as Button).BackgroundImage = defaultImg;
            //this.BackColor = Color.FromArgb(240, 240, 240);
            this.BackColor = Color.Transparent;
        }

        // 圆角
        // ===============================================================================================
        private int _Radius;  // 圆角弧度

        /// <summary>圆角弧度(0为不要圆角)</summary>
        [Browsable(true)]
        [Description("圆角弧度(0为不要圆角)")]
        public int SetRoundRadius
        {
            get
            {
                return _Radius;
            }
            set
            {
                if (value < 0) { _Radius = 0; }
                else { _Radius = value; }
                base.Refresh();
            }
        }
        /// <summary>
        /// 重绘圆角
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Menu_Item_Paint(object sender, PaintEventArgs e)
        {
            System.Drawing.Drawing2D.GraphicsPath oPath = new System.Drawing.Drawing2D.GraphicsPath();
            int x = 0;
            int y = 0;
            int thisWidth = this.Width;
            int thisHeight = this.Height;
            int angle = _Radius;
            if (angle > 0)
            {
                System.Drawing.Graphics g = CreateGraphics();
                oPath.AddArc(x, y, angle, angle, 180, 90);                                 // 左上角
                oPath.AddArc(thisWidth - angle, y, angle, angle, 270, 90);                 // 右上角
                oPath.AddArc(thisWidth - angle, thisHeight - angle, angle, angle, 0, 90);  // 右下角
                oPath.AddArc(x, thisHeight - angle, angle, angle, 90, 90);                 // 左下角
                oPath.CloseAllFigures();
                Region = new System.Drawing.Region(oPath);
            }
        }
    }
}