declaratrions-automatization/DeclarationAutomatization/Views/MainWindow.xaml.cs

using System.Windows;
using System.Windows.Controls;
using DeclarationAutomatization.Models;
using DeclarationAutomatization.ViewModels;

namespace DeclarationAutomatization.Views;

public partial class MainWindow : Window
{
    private readonly MainViewModel _viewModel;

    public MainWindow(MainViewModel viewModel)
    {
        InitializeComponent();
        _viewModel = viewModel;
        DataContext = viewModel;

        // Обрабатываем завершение редактирования кода в таблице
        ItemsGrid.CellEditEnding += OnCellEditEnding;
    }

    private void OnCellEditEnding(object? sender, DataGridCellEditEndingEventArgs e)
    {
        if (e.EditAction != DataGridEditAction.Commit) return;
        if (e.Row.Item is not DeclarationItem item) return;

        // Колонка "Код декларации" (индекс 8)
        if (e.Column.DisplayIndex != 8) return;

        string? newCode = null;

        if (e.EditingElement is ComboBox combo)
            newCode = combo.Text?.Trim();
        else if (e.EditingElement is TextBox tb)
            newCode = tb.Text?.Trim();

        if (!string.IsNullOrEmpty(newCode))
            _viewModel.OnCodeManuallyChanged(item, newCode);
    }
}