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 System.Reflection;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.Data.Filtering;

namespace CsHospital.UserControls
{
   
    public partial class UserZdmc : UserControl
    {
       
        
        public UserZdmc()
        {
           
            InitializeComponent();
        }
        public string gid = "";
        public delegate void BindTextCode(string data,bool flag);
        public event BindTextCode bindTextCode;
       
        /// <summary>
        /// 下拉框对象
        /// </summary>
        public DevExpress.XtraEditors.GridLookUpEdit GridLookUpEditObj { get { return GridLookUpEdit1; } }
      
        private void gridLookUpEdit1_Popup(object sender, EventArgs e)
        {
            GridLookUpEdit edit = sender as GridLookUpEdit;
            FilterLookup(sender, new string[] { "micd10", "cdise", "dnamepy" });//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[] { "micd10", "cdise", "dnamepy" });
            }));
        }
        private void gridLUpEdit1_TextChanged(object sender, EventArgs e)
        {
            GridLookUpEdit edit = sender as GridLookUpEdit;
            edit.SelectionStart = edit.Text.Length;
            string gname = edit.Text;
            DataRow[] dtZdmcRows = ((DataTable)edit.Properties.DataSource).Select(string.Format("cdise='{0}'", gname));
            if (dtZdmcRows.Length == 0) {
                bindTextCode("", false);
                return;
            } 
            gid=dtZdmcRows[0]["micd10"].ToString();
            bindTextCode(gid, false);   
        }

        /// <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>
        /// 回车触发事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void textBox_KeyPress(object sender, KeyPressEventArgs e)
        {
            bool isnull = false;
            GridLookUpEdit gu=sender as GridLookUpEdit;
            if (e.KeyChar == (char)Keys.Enter)
            {

                if (string.IsNullOrWhiteSpace(gu.Text))
                {
                    isnull = true;
                    bindTextCode(gid, isnull);
                }
                else {
                    SendKeys.Send("{tab}");
                }
            }
        }

        private void GridLookUpEdit1_ProcessNewValue(object sender, ProcessNewValueEventArgs e)
        {
                GridLookUpEdit GU = sender as GridLookUpEdit;
                DataRow dr = ((DataTable)GU.Properties.DataSource).NewRow();
                dr["cdise"] = e.DisplayValue.ToString();
                ((DataTable)GU.Properties.DataSource).Rows.Add(dr);
                e.Handled = true;
        }

        //private void GridLookUpEdit1_Enter(object sender, EventArgs e)
        //{
        //    binddb();
        //}
    }
}