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;
using Lskj.Core;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;
using DevExpress.XtraGrid.Views.Grid;
using System.Reflection;
using DevExpress.Data.Filtering;

namespace CsHospital.UserControls
{
    public partial class UserEmployee : UserControl
    {
        public UserEmployee()
        {
            InitializeComponent();
            DBConfig.Instance.CreateConnection();
            string sql = string.Format("select ygbh,xm,pydm FROM ygxx");
            DataTable employee = SqlHelper.ExecuteDataTable(sql);
            this.GridLookUpEdit1.Properties.DataSource = employee;
        }

        private void gridLookUpEdit1_Popup(object sender, EventArgs e)
        {
            GridLookUpEdit edit = sender as GridLookUpEdit;
            FilterLookup(sender, new string[] { "xm", "ygbh", "pydm" });//中文，全拼英，简拼
        }


        private void gridLEdit1_EditValueChanging(object sender, ChangingEventArgs e)
        {
            this.BeginInvoke(new System.Windows.Forms.MethodInvoker(delegate
            {
                FilterLookup(sender, new string[] { "xm", "ygbh", "pydm" });
            }));
        }
        private void gridLUpEdit1_TextChanged(object sender, EventArgs e)
        {
            GridLookUpEdit edit = sender as GridLookUpEdit;
            edit.SelectionStart = edit.Text.Length;
        }

        /// <summary>
        /// 拼英模糊查询的关键方法
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="arrFilterField"></param>
        private void FilterLookup(object sender, string[] arrFilterField)
        {
            GridLookUpEdit edit = sender as GridLookUpEdit;
            GridView gridView = edit.Properties.View as GridView;
            FieldInfo fi = gridView.GetType().GetField("extraFilter", BindingFlags.NonPublic | BindingFlags.Instance);
            CriteriaOperator[] arrCriteriaOperator = new CriteriaOperator[arrFilterField.Length];
            for (int i = 0; i < arrFilterField.Length; i++)
            {
                arrCriteriaOperator[i] = new BinaryOperator(arrFilterField[i], "%" + edit.AutoSearchText + "%", BinaryOperatorType.Like);
            }
            string filterCondition = new GroupOperator(GroupOperatorType.Or, arrCriteriaOperator).ToString();
            fi.SetValue(gridView, filterCondition);
            MethodInfo mi = gridView.GetType().GetMethod("ApplyColumnsFilterEx", BindingFlags.NonPublic | BindingFlags.Instance);
            mi.Invoke(gridView, null);
        }
        /// <summary>
        /// 下拉框对象
        /// </summary>
        public DevExpress.XtraEditors.GridLookUpEdit GridLookUpEditObj { get { return GridLookUpEdit1; } }
        /// <summary>
        /// 回车触发下一个
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void textBox_KeyPress(object sender, KeyPressEventArgs e)
        {

        }
    }
}