using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Prism.Ioc;
using Prism.Regions;

namespace PDF_Master.Views.Dialog.ServiceDialog
{
    /// <summary>
    /// CodeRegion.xaml 的交互逻辑
    /// </summary>
    public partial class CodeRegion : UserControl
    {
        public CodeRegion()
        {
            InitializeComponent();
            Loaded += Focus_Loaded;
            
           
        }

        private void Focus_Loaded(object sender, RoutedEventArgs e)
        {
            text_Code1.Focus();
        }
        private void Code_TextChanged(object sender, TextChangedEventArgs e)
        {
            Grid_RegisterVis.Visibility = Visibility.Collapsed;
            text_Code1.Select(text_Code1.Text.Length, 0);
            if (text_Code1.Text.Length == 1)
            {
                text_Code2.Focus();
            }

            else if (text_Code1.Text.Length > 1)
            {
                string str = text_Code1.Text;

                text_Code1.Text = str.Substring(0, 1);
                str = str.Remove(0, 1);
                if (str.Length > 0)
                {
                    text_Code2.Text = str;

                }



            }
        }

        private void text_Code2_TextChanged(object sender, TextChangedEventArgs e)
        {

            Grid_RegisterVis.Visibility = Visibility.Collapsed;
            text_Code2.Select(text_Code2.Text.Length, 0);
            if (text_Code2.Text.Length == 1)
            {
                text_Code3.Focus();
            }

            else if (text_Code2.Text.Length > 1)
            {
                string str = text_Code2.Text;

                text_Code2.Text = str.Substring(0, 1);
                str = str.Remove(0, 1);
                if (str.Length > 0)
                {
                    text_Code3.Text = str;
                }

            }
        }

        private void text_Code3_TextChanged(object sender, TextChangedEventArgs e)
        {
            Grid_RegisterVis.Visibility = Visibility.Collapsed;
            text_Code3.Select(text_Code3.Text.Length, 0);
            if (text_Code3.Text.Length == 1)
            {
                text_Code4.Focus();
            }

            else if (text_Code3.Text.Length > 1)
            {
                string str = text_Code3.Text;
                text_Code3.Text = str.Substring(0, 1);
                str = str.Remove(0, 1);
                if (str.Length > 0)
                {
                    text_Code4.Text = str;
                }

            }
        }

        private void text_Code4_TextChanged(object sender, TextChangedEventArgs e)
        {
            Grid_RegisterVis.Visibility = Visibility.Collapsed;
            text_Code4.Select(text_Code4.Text.Length, 0);
            if (this.text_Code4.Text.Length == 1)
            {
                this.text_Code5.Focus();
            }

            else if (text_Code4.Text.Length > 1)
            {
                string str = text_Code4.Text;

                text_Code4.Text = str.Substring(0, 1);
                str = str.Remove(0, 1);
                if (str.Length > 0)
                {
                    text_Code5.Text = str;
                }

            }
        }

        private void text_Code5_TextChanged(object sender, TextChangedEventArgs e)
        {
            Grid_RegisterVis.Visibility = Visibility.Collapsed;
            text_Code5.Select(text_Code5.Text.Length, 0);
            if (this.text_Code5.Text.Length == 1)
            {
                this.text_Code6.Focus();
            }

            else if (text_Code5.Text.Length > 1)
            {
                string str = text_Code5.Text;

                text_Code5.Text = str.Substring(0, 1);
                str = str.Remove(0, 1);
                if (str.Length > 0)
                {
                    text_Code6.Text = str;
                }

            }
        }

        private void text_Code6_TextChanged(object sender, TextChangedEventArgs e)
        {
            Grid_RegisterVis.Visibility = Visibility.Collapsed;
            text_Code6.Select(text_Code6.Text.Length, 0);
            if (this.text_Code6.Text.Length == 1)
            {
                text_Code6.Focus();
            }

            else if (text_Code6.Text.Length > 1)
            {
                string str = text_Code6.Text;
                text_Code6.Focus();
                text_Code6.Text = str.Substring(0, 1);


            }

        }

        private void text_Code1_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Back)
            {
                text_Code1.Text = "";
                text_Code1.Focus();
            }
        }

        private void text_Code2_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Back)
            {
                text_Code2.Text = "";
                text_Code1.Focus();
                text_Code1.Select(text_Code1.Text.Length, 0);
            }
        }

        private void text_Code3_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Back)
            {
                text_Code3.Text = "";
                text_Code2.Focus();
                text_Code2.Select(text_Code2.Text.Length, 0);
            }

        }

        private void text_Code4_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Back)
            {
                text_Code4.Text = "";
                text_Code3.Focus();
                text_Code3.Select(text_Code3.Text.Length, 0);
            }
        }

        private void text_Code5_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Back)
            {
                text_Code5.Text = "";
                text_Code4.Focus();
                text_Code4.Select(text_Code4.Text.Length, 0);
            }
        }

        private void text_Code6_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Back)
            {
                text_Code6.Text = "";
                text_Code5.Focus();
                text_Code5.Select(text_Code5.Text.Length, 0);
            }
        }

        private void TextBox_PreviewTextInput(object sender, TextCompositionEventArgs e)
        {
            e.Handled = new Regex("[^0-9]+").IsMatch(e.Text);
        }
    }
}