public void Should_Not_Pass_UnsetValue_To_MultiBinding_During_ApplyTemplate()
{
var converter = new MultiConverter();
var source = new Button
{
Content = "foo",
Template = new FuncControlTemplate <Button>((parent, _) =>
new ContentPresenter
{
[~ContentPresenter.ContentProperty] = new MultiBinding
{
Converter = converter,
Bindings =
{
new TemplateBinding(ContentControl.ContentProperty),
}
}
}),
};
source.ApplyTemplate();
var target = (ContentPresenter)source.GetVisualChildren().Single();
// #8672 was caused by TemplateBinding passing "unset" to the MultiBinding during
// ApplyTemplate as the TemplatedParent property doesn't get setup until after the
// binding is initiated.
Assert.Equal(new[] { "foo" }, converter.Values);
}
public void MultiConverter(object value)
{
var multiConverter = new MultiConverter();
var result = multiConverter.Convert(value, typeof(MultiConverter), null, CultureInfo.CurrentCulture);
Assert.AreEqual(result, value);
}
/// <inheritdoc/>
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
if (MultiConverter == null)
{
throw new InvalidOperationException("No multi value converter has been set.");
}
var result = chainedConverter.ConvertBack(value, MultiConverterTargetType ?? typeof(object), parameter, culture);
return(MultiConverter.ConvertBack(result, targetTypes, MultiConverterParameter, culture));
}
public DuoBinding(string path1, object source1, string path2, object source2) : base()
{
Converter = new MultiConverter <object[]>(i => i.Values);
Bindings.Add(new Binding()
{
Mode = BindingMode.OneWay,
Path = new System.Windows.PropertyPath(path1),
Source = source1
});
Bindings.Add(new Binding()
{
Mode = BindingMode.OneWay,
Path = new System.Windows.PropertyPath(path2),
Source = source2
});
}
public BindingLoc(string path) : base()
{
Converter = new MultiConverter <string>(data =>
{
if (data.Values?.Length > 0)
{
try
{
var culture = LocalizeDictionary.Instance.SpecificCulture;
var key = data.Values[0].ToString();
var value = LocExtension.GetLocalizedValue(data.TargetType, key, culture, null);
if (value == null)
{
var missingKeyEventResult = LocalizeDictionary.Instance.OnNewMissingKeyEvent(this, key);
if
(
LocalizeDictionary.Instance.OutputMissingKeys
&&
!string.IsNullOrEmpty(key) &&
(data.TargetType == typeof(string) ||
data.TargetType == typeof(object))
)
{
value = missingKeyEventResult.MissingKeyResult != null
? missingKeyEventResult.MissingKeyResult
: "Key: " + key;
}
}
var result = $"{Prefix}{value}{Suffix}";
result = Format?.F(result) ?? result;
result = Lower ? result.ToLower() : Upper ? result.ToUpper() : result;
return(result);
}
catch { }
}
return(null);
});
KeyBinding = new Binding(path);
Bindings.Add(KeyBinding);
Bindings.Add(new Markup.Options()
{
Path = new PropertyPath("Language")
});
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
var val1 = System.Convert.ToDouble(MultiConverter.Convert(values, null, null, culture));
return(SingleConverter.Convert(val1, targetType, parameter, culture));
}
