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cpo-lab/Lab2/src/Form/CreateTrimmer.xaml.cs
2024-05-15 01:11:15 +03:00

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using System;
using System.Globalization;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
namespace Lab2
{
/// <summary>
/// Interaction logic for CreateTrimmer.xaml
/// </summary>
public partial class CreateTrimmer : Window
{
/// <summary>
/// Определяет, сохранять ли изменения
/// </summary>
private bool _save;
/// <summary>
/// Доступность полей формы
/// </summary>
private readonly bool _readOnly;
/// <summary>
/// Признак невозможности отмены
/// </summary>
private readonly bool _isForced;
/// <summary>
/// Триммер для редактирования
/// </summary>
private readonly Trimmer _trimmer;
/// <summary>
/// Конструктор
/// </summary>
/// <param name="parTrimmer">Триммер для редактирования</param>
/// <param name="parReadOnly">Доступность полей формы</param>
/// <param name="parIsForced">Признак невозможности отмены</param>
/// <exception cref="ArgumentNullException">Выбрасывается, когда триммер равен null</exception>
public CreateTrimmer(Trimmer parTrimmer, bool parReadOnly = false, bool parIsForced = false)
{
if (parTrimmer == null)
throw new ArgumentNullException(nameof(parTrimmer));
InitializeComponent();
_materialComboBox.ItemsSource = Enum.GetValues(typeof(Material));
_modeComboBox.ItemsSource = Enum.GetValues(typeof(TrimmerMode));
_trimmer = parTrimmer;
_readOnly = parReadOnly;
_isForced = parIsForced;
DataContext = _trimmer;
Title = $"Trimmer {_trimmer.Id}";
SetEnabled(!_readOnly);
if (_readOnly)
_saveButton.Content = "Ok";
if (_isForced)
_cancelButton.Visibility = Visibility.Collapsed;
}
/// <summary>
/// Устанавливает доступность полей формы
/// </summary>
/// <param name="parEnabled">Доступность</param>
private void SetEnabled(bool parEnabled)
{
_nameTextBox.IsEnabled = parEnabled;
_materialComboBox.IsEnabled = parEnabled;
_weightTextBox.IsEnabled = parEnabled;
_powerTextBox.IsEnabled = parEnabled;
_modeComboBox.IsEnabled = parEnabled;
}
/// <summary>
/// Синхронизирует данные с полей формы
/// </summary>
private void SyncData()
{
BindingOperations.GetBindingExpression(_nameTextBox, TextBox.TextProperty)?.UpdateSource();
BindingOperations.GetBindingExpression(_materialComboBox, ComboBox.TextProperty)?.UpdateSource();
BindingOperations.GetBindingExpression(_weightTextBox, TextBox.TextProperty)?.UpdateSource();
BindingOperations.GetBindingExpression(_powerTextBox, TextBox.TextProperty)?.UpdateSource();
BindingOperations.GetBindingExpression(_modeComboBox, ComboBox.TextProperty)?.UpdateSource();
}
/// <summary>
/// Обработчик события нажатия на кнопку "Save"
/// </summary>
private void SaveButton_Click(object sender, RoutedEventArgs e)
{
_save = true;
Close();
}
/// <summary>
/// Обработчик события закрытия окна
/// </summary>
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (!_save)
{
if (_isForced)
e.Cancel = true;
return;
}
try
{
if (!_readOnly)
SyncData();
DialogResult = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
e.Cancel = true;
}
}
}
}