using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using static DyeingComputer.Windows.ViewStep;
using System.Xml.Linq;
using System.Windows.Media.Animation;
using System.Net;
using System.Data;
using static DyeingComputer.UserClass.SqliteHelper;

namespace DyeingComputer.Windows
{
    /// <summary>
    /// ViewProgram.xaml 的交互逻辑
    /// </summary>
    public partial class ViewProgram : Window
    {
        public ViewProgram()
        {
            InitializeComponent();
            Programgroup_sql();
        }
        private SQLiteHelper SQLiteHelpers = null;  //定义数据库
        private readonly string DBAddress = Environment.CurrentDirectory + "\\DataBase\\800COMPUTER.db";  //数据库路径
        DataSet sql; //内存数据缓存
        public void Programgroup_sql()
        {
            SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
            SQLiteHelpers.Open();  //打开数据库

            string sql_script = "select * from ProgramName order by ProgramID desc";

            if (sql != null) sql.Clear();  //清空缓存
            sql = SQLiteHelpers.ExecuteDataSet(sql_script, null);  //读取计划表写入缓存
            if (sql != null) Grid.ItemsSource = sql.Tables[0].DefaultView;  //转换显示计划表

            SQLiteHelpers.Close();  //关闭连接

            //sql.Clear();  //清除缓存
            //System.GC.Collect();
        }
        public delegate void AddressUpdateHandler(object sender, AddressUpdateEventArgs e);
        //声明一个更新Address的事件
        public event AddressUpdateHandler AddressUpdated;

        private void YES_Click(object sender, RoutedEventArgs e)//确认
        {
            var args = new AddressUpdateEventArgs(Program_STEP, Program_ID,Program_STEP);
            AddressUpdated(this, args);
            this.Close(); //关闭窗口
        }

        private void NO_Click(object sender, RoutedEventArgs e)//关闭
        {
            this.Close(); //关闭窗口
        }

        string Program_ID;
        string Program_NAME;
        string Program_STEP;
        private void Grid_SelectionChanged(object sender, SelectionChangedEventArgs e)//表格选择事件
        {
            int rownum = Grid.SelectedIndex;//获取鼠标选中行并定义变量
            if (rownum != -1)//判断鼠标定位是否有效
            {
                Program_ID = (Grid.Columns[0].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第0列，
                Program_NAME = (Grid.Columns[1].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第0列，
                Program_STEP = (Grid.Columns[2].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第0列，
            }
        }

        public class AddressUpdateEventArgs : System.EventArgs
        {
            public AddressUpdateEventArgs(string dStep, string dID, string dNAME)
            {
                this.ID = dID;
                this.Step = dStep;
                this.NAME = dNAME;
            }

            public string Step { get; set; }
            public string ID { get; set; }
            public string NAME { get; set; }

        }
    }
}