RealSys.MotionPlat/Rs.MotionPlat/SubMenuForm.cs

using Rs.Controls;
using Rs.DataAccess;
using Rs.Framework;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Rs.MotionPlat
{
    public partial class SubMenuForm : BaseForm
    {
        string m_category = "";
        SqliteHelper db = new SqliteHelper();
        public SubMenuForm(string category)
        {
            InitializeComponent();
            m_category = category;
        }

        private void SubMenuForm_Load(object sender, EventArgs e)
        {
            LoadMenu();
        }

        private void LoadMenu()
        {
            string querySql = $"select * from submenus where enable=1 and category='{m_category}' order by sortindex asc"; 
            DataTable dt = db.GetDataTable(querySql);
            if(dt!=null&&dt.Rows.Count>0)
            {
                tableLayoutPanel1.ColumnCount= dt.Rows.Count+1;   
                tableLayoutPanel1.ColumnStyles.Clear();
                int i = 0;
                foreach(DataRow dr in dt.Rows)
                {
                    tableLayoutPanel1.ColumnStyles.Add(new ColumnStyle(SizeType.Absolute, int.Parse(dr["width"].ToString())));
                    ButtonEx button = new ButtonEx();
                    button.Tag = dr;
                    button.Click += Button_Click;
                    button.Cursor = Cursors.Hand;
                    button.BackColor = Color.FromArgb(19, 52, 104);
                    button.SelectedColor = Color.DarkRed;
                    button.FlatStyle = FlatStyle.Flat;
                    button.Margin = new Padding(0);
                    button.ForeColor = Color.White;
                    button.Dock= DockStyle.Fill;
                    button.ShowText = dr["showtext"].ToString();
                    tableLayoutPanel1.Controls.Add(button,i++,0);
                }
                if(tableLayoutPanel1.Controls.Count>0)
                {
                    ((ButtonEx)tableLayoutPanel1.Controls[0]).PerformClick();
                }
            }
        }

        private void Button_Click(object sender, EventArgs e)
        {
            
            foreach (var btn in tableLayoutPanel1.Controls)
            {
                if(btn is ButtonEx)
                {
                    ((ButtonEx)btn).Selected = false;
                }
            }
            ButtonEx button=(ButtonEx)sender;
            button.Selected = true;
            DataRow dr = (DataRow)button.Tag;
            if(dr!=null)
            {
                string formname = dr["formname"].ToString();
                Assembly dll = Assembly.LoadFile(Application.StartupPath+ "\\Rs.MotionPlat.exe");
                object obj = null;
                if (dr["key"].ToString()!="")
                {
                    obj = dll.CreateInstance(formname, true, BindingFlags.Public | BindingFlags.Instance,null, new object[] { dr["key"].ToString() }, null, null);
                }
                else
                {
                    obj = dll.CreateInstance(formname);
                }
                if(obj is Form)
                {
                    if (dr["target"].ToString()=="_blank")
                    {
                        Form subForm = (Form)obj;
                        subForm.StartPosition = FormStartPosition.CenterScreen;
                        subForm.Show();
                    }
                    else
                    {
                        foreach (var item in panelMain.Controls)
                        {
                            if (item is Form)
                                (item as Form).Close();
                        }
                        panelMain.Controls.Clear();
                        Form subForm = (Form)obj;
                        subForm.TopLevel = false;
                        subForm.Dock = DockStyle.Fill;
                        subForm.Visible = true;
                        panelMain.Controls.Add(subForm);
                    }
                }
            }
        }

        protected override void OnClosed(EventArgs e)
        {
            if (panelMain != null)
            {
                if(panelMain.Controls.Count>0)
                {
                    ((Form)panelMain.Controls[0]).Close();
                }
                panelMain.Controls.Clear();
            }
            base.OnClosed(e);
        }
    }
}