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

namespace TemuKJD.KJDForms.SystemForms
{
    public partial class SystemForm : BaseForm
    {
        public Lazy<SystemRemoveRestrictionsForm> systemRemoveRestrictionsForm = new Lazy<SystemRemoveRestrictionsForm>();
        public SystemForm()
        {
            InitializeComponent();
        }

        private void SystemForm_Load(object sender, EventArgs e)
        {
            try
            {
                tv.SelectedNode = tv.Nodes[0].Nodes[0];
                tv.ExpandGroup(tv.Nodes[0].Name);
            }
            catch { }
        }

        private void tv_AfterSelect(object sender, TreeViewEventArgs e)
        {
            MainForm.sCurrentModule = e.Node.Name;
            this.lblName.Text = e.Node.Text;
            // 如果是一级菜单，不做任何动作
            if (e.Node.Parent == null) return;
            new Thread(() =>
            {
                Thread.Sleep(200);
                Invoke(new Action(() =>
                {
                    switch (e.Node.Name)
                    {
                        case "解除限制":
                            SetForm(systemRemoveRestrictionsForm.Value);
                            break;
                        //case "商品管理":
                        //    SetForm(shopProductForm.Value);
                        //    break;
                    }
                }));
            }).Start();
        }

        /// <summary>
        /// 显示隐藏层
        /// </summary>
        /// <param name="f"></param>
        private void SetForm(Form f)
        {
            if (f == null)
            {
                foreach (Control form in panel3.Controls)
                {
                    form.Visible = false;
                    if (form is Form)
                    {
                        panel3.Controls.Remove(form as Form);
                    }
                }
                return;
            }

            bool had = false;
            string sCurrentFormName = f.Name;
            for (int i = 0; i < panel3.Controls.Count; i++)
            {
                if (sCurrentFormName == panel3.Controls[i].Name)
                {
                    had = true;
                    panel3.Controls[i].Visible = true;
                }
                else
                {
                    panel3.Controls[i].Visible = false;
                }
            }
            if (had)
            {
                f = null;
                return;
            }
            f.TopLevel = false;
            f.Left = 0;
            f.Top = 0;
            f.FormBorderStyle = FormBorderStyle.None;
            panel3.Controls.Add(f);
            f.AutoSize = true;
            f.Dock = DockStyle.Fill;
            f.Show();
        }
    }
}