CourseWork_BeautySalon/BeautySalonViewEmployee/WindowReceipts.xaml.cs

using BeautySalonContracts.BindingModels;
using BeautySalonContracts.BusinessLogicsContracts;
using BeautySalonContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
using System.Windows;
using System.Windows.Controls;
using Unity;

namespace BeautySalonViewEmployee
{
    /// <summary>
    /// Логика взаимодействия для WindowReceipts.xaml
    /// </summary>
    public partial class WindowReceipts : Window
    {
        public int Id { set { id = value; } }

        private int? id;

        private readonly IReceiptLogic _logic;

        public WindowReceipts(IReceiptLogic logic)
        {
            InitializeComponent();
            this._logic = logic;
        }

        private void WindowReceipts_Loaded(object sender, RoutedEventArgs e)
        {
            LoadData();
        }

		private void LoadData()
		{
			try
			{
				var list = _logic.Read(new ReceiptBindingModel { EmployeeId = id });
				if (list != null)
				{
					dataGrid.ItemsSource = list;
					ReorderColumns();
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message, "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
			}
		}
		private void ReorderColumns()
		{
			foreach (var column in dataGrid.Columns)
			{
				switch (column.Header.ToString())
				{
					case "Номер чека":
						column.DisplayIndex = 0;
						break;
					case "Дата чека":
						column.DisplayIndex = 1;
						break;
					case "Дата покупки":
						column.DisplayIndex = 2;
						break;
					case "Общая стоимость":
						column.DisplayIndex = 3;
						break;
				}
			}
		}
		private void buttonAdd_Click(object sender, RoutedEventArgs e)
        {
            var window = App.Container.Resolve<WindowReceipt>();
            window.EmployeeId = (int)id;
            if (window.ShowDialog().Value)
            {
                LoadData();
            }
        }

        private void buttonUpd_Click(object sender, RoutedEventArgs e)
        {
            if (dataGrid.SelectedCells.Count != 0)
            {
                var window = App.Container.Resolve<WindowReceipt>();
                window.Id = ((ReceiptViewModel)dataGrid.SelectedCells[0].Item).Id;
                window.EmployeeId = (int)id;
                if (window.ShowDialog().Value)
                {
                    LoadData();
                }
            }
        }

        private void buttonDel_Click(object sender, RoutedEventArgs e)
        {
            if (dataGrid.SelectedCells.Count != 0)
            {
                if (MessageBox.Show("Удалить запись", "Вопрос", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
                {
                    int id = ((ReceiptViewModel)dataGrid.SelectedCells[0].Item).Id;
                    try
                    {
                        _logic.Delete(new ReceiptBindingModel { Id = id });
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
                    }
                    LoadData();
                }
            }
        }

        private void buttonRef_Click(object sender, RoutedEventArgs e)
        {
            LoadData();
        }
		private void buttonLinking_Click(object sender, RoutedEventArgs e)
		{
            if (dataGrid.SelectedCells.Count != 0)
            {

				// Получаем модель выбранного чека
				var selectedReceipt = (ReceiptViewModel)dataGrid.SelectedCells[0].Item;

				// Создаём окно связи
				var window = App.Container.Resolve<WindowLinkingPurchases>();
				window.Owner = this;

				// Передаём туда ID чека
				window.EmployeeId = (int)id;
				window.ReceiptId = selectedReceipt.Id;

				// Открываем диалог
				if (window.ShowDialog() == true)
				{
					// Если привязка прошла успешно, обновляем грид
					LoadData();
				}

				//var window = App.Container.Resolve<WindowLinkingPurchases>();
				//window.EmployeeId = (int)id;
				//window.DistributionId = ((DistributionViewModel)dataGrid.SelectedCells[0].Item).Id;
				//if (window.ShowDialog().Value)
				//{
				//    LoadData();
				//}
			}
        }

		/// <summary>
		/// Данные для привязки DisplayName к названиям столбцов
		/// </summary>
		private void DataGrid_AutoGeneratingColumn(object sender, DataGridAutoGeneratingColumnEventArgs e)
		{
			if (e.PropertyName == "ReceiptCosmetics" ||
				e.PropertyName == "ReceiptPurchases" ||
				e.PropertyName == "EmployeeId" ||
				e.PropertyName == "PurchaseId")
			{
				e.Cancel = true;
				return;
			}

			string displayName = GetPropertyDisplayName(e.PropertyDescriptor);
			if (!string.IsNullOrEmpty(displayName))
				e.Column.Header = displayName;

			// Больше ничего — DisplayIndex убираем отсюда
		}

		/// <summary>
		/// метод привязки DisplayName к названию столбца
		/// </summary>
		public static string GetPropertyDisplayName(object descriptor)
        {
            PropertyDescriptor pd = descriptor as PropertyDescriptor;
            if (pd != null)
            {
                // Check for DisplayName attribute and set the column header accordingly
                DisplayNameAttribute displayName = pd.Attributes[typeof(DisplayNameAttribute)] as DisplayNameAttribute;
                if (displayName != null && displayName != DisplayNameAttribute.Default)
                {
                    return displayName.DisplayName;
                }
            }
            else
            {
                PropertyInfo pi = descriptor as PropertyInfo;
                if (pi != null)
                {
                    // Check for DisplayName attribute and set the column header accordingly
                    Object[] attributes = pi.GetCustomAttributes(typeof(DisplayNameAttribute), true);
                    for (int i = 0; i < attributes.Length; ++i)
                    {
                        DisplayNameAttribute displayName = attributes[i] as DisplayNameAttribute;
                        if (displayName != null && displayName != DisplayNameAttribute.Default)
                        {
                            return displayName.DisplayName;
                        }
                    }
                }
            }
            return null;
        }
    }
}