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

namespace MaiMuAOI.SysUI.ProductAndStep
{
    public partial class InputFrm : Form
    {
        private string[] listData;

        public string inputData = "";

        public InputFrm(List<string> list, string subject = null, string defaultData = "")
        {
            InitializeComponent();
            UIStyle.SetUIStyle(this);
            this.uiTitel1.FatherForm = this;

            if (list == null)
            {
                this.cobList.Visible = false;
                this.tbInputSN.Visible = true;
                this.tbInputSN.Focus();
                this.tbInputSN.Select();
                this.label1.Text = subject;
            }
            else
            {
                this.label1.Text = subject;
                this.cobList.Visible = true;
                this.tbInputSN.Visible = false;

                this.cobList.DropDownStyle = ComboBoxStyle.DropDown;//可输入下拉框

                this.listData = list.ToArray();
                cobList.Items.AddRange(listData);//比使用DataSource速度要快一些
                cobList.TextUpdate += cobList_TextUpdate;//重新绑定事件
                cobList.KeyDown += CobList_KeyDown;
                this.cobList.Text = defaultData;
                cobList.Focus();
                cobList.SelectAll();
            }

            //
            if (!string.IsNullOrWhiteSpace(subject))
                this.Text = subject;
        }

        private void CobList_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                if (cobList.Items.Count == 1)
                    cobList.Text = cobList.Items[0].ToString();
            }
        }

        private void btnOK_Click(object sender, EventArgs e)
        {
            if (this.tbInputSN.Visible == true)
            {
                inputData = tbInputSN.Text;
            }
            else
            { 
                if (cobList.Items.Count < 1)
                    return;
                string tmp = this.cobList.Text.Trim();
                var text = listData.FirstOrDefault(x => x == tmp);//忽略大小写
                if (string.IsNullOrEmpty(text))
                    return;
                inputData = text;
            }
                       
            this.DialogResult = DialogResult.OK;
        }
        private void cobList_TextUpdate(object sender, EventArgs e)
        {
            string str = cobList.Text;  //获取cb_material控件输入内 
            //清空combobox
            cobList.DataSource = null;
            cobList.Items.Clear();

            var workOrderFiltered = listData.Where(x => x.IndexOf(str, StringComparison.CurrentCultureIgnoreCase) != -1).ToArray();//忽略大小写
            cobList.Items.AddRange(workOrderFiltered);//比使用DataSource速度要快一些

            // 不存在符合条件时
            //设置光标位置，若不设置：光标位置始终保持在第一列，造成输入关键词的倒序排列
            cobList.Cursor = Cursors.Default; //保持鼠标指针原来状态，有时候鼠标指针会被下拉框覆盖，所以要进行一次设置 
            if (workOrderFiltered.Length > 0)
            {
                if (!cobList.DroppedDown)
                    cobList.DroppedDown = true; // 自动弹出下拉框 
            }

            cobList.SelectionStart = str.Length;  // 设置光标位置，若不设置：光标位置始终保持在第一列，造成输入关键词的倒序排列
        }

        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
        }
    }
}