private Boolean Evaluate(Object value)
{
var sut = new BooleanInverseConverter();
var result = (Boolean)sut.Convert(value, typeof(Boolean), null, null);
return(result);
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
this.Loaded -= OnLoaded;
var mainWindowViewModel = Window.GetWindow(this)?.DataContext as MainWindowViewModel;
if (mainWindowViewModel is null)
{
return;
}
// Binding in xaml will not work because MainWindowViewModel may be null when Options is instantiated.
var booleanInverseConverter = new BooleanInverseConverter();
PathGroupBox.SetBinding(
UIElement.IsEnabledProperty,
new Binding(nameof(MainWindowViewModel.IsCheckOrCopyOngoing))
{
Source = mainWindowViewModel,
Mode = BindingMode.OneWay,
Converter = booleanInverseConverter
});
FileGroupBox.SetBinding(
UIElement.IsEnabledProperty,
new Binding(nameof(MainWindowViewModel.IsCheckOrCopyOngoing))
{
Source = mainWindowViewModel,
Mode = BindingMode.OneWay,
Converter = booleanInverseConverter
});
ChooseDeleteOnCopyButton.SetBinding(
SlidingToggleButton.IsCheckedCopyProperty,
new Binding(nameof(MainWindowViewModel.IsBrowserOpen))
{
Source = mainWindowViewModel,
Mode = BindingMode.OneWayToSource,
});
LanguageComboBox.SetBinding(
UIElement.IsEnabledProperty,
new Binding(nameof(MainWindowViewModel.IsCheckOrCopyOngoing))
{
Source = mainWindowViewModel,
Mode = BindingMode.OneWay,
Converter = booleanInverseConverter
});
}
public Options(MainWindow mainWindow)
{
InitializeComponent();
_mainWindowViewModel = mainWindow?.DataContext as MainWindowViewModel ?? throw new InvalidOperationException();
this.DataContext = new OptionsViewModel(_mainWindowViewModel.Settings);
// If Options is defined in MainWindow's xaml, it will be instantiated before MainWindowViewModel
// and so binding to MainWindowViewModel will not work.
var booleanInverseConverter = new BooleanInverseConverter();
PathGroupBox.SetBinding(
UIElement.IsEnabledProperty,
new Binding(nameof(MainWindowViewModel.IsCheckOrCopyOngoing))
{
Source = _mainWindowViewModel,
Mode = BindingMode.OneWay,
Converter = booleanInverseConverter
});
FileGroupBox.SetBinding(
UIElement.IsEnabledProperty,
new Binding(nameof(MainWindowViewModel.IsCheckOrCopyOngoing))
{
Source = _mainWindowViewModel,
Mode = BindingMode.OneWay,
Converter = booleanInverseConverter
});
LanguageComboBox.SetBinding(
UIElement.IsEnabledProperty,
new Binding(nameof(MainWindowViewModel.IsCheckOrCopyOngoing))
{
Source = _mainWindowViewModel,
Mode = BindingMode.OneWay,
Converter = booleanInverseConverter
});
}