public void ConvertColor_ReturnsSolidColorBrushWithSameColor()
{
var color = Colors.Red;
var result = _converter.Convert(color, typeof(SolidColorBrush), null, CultureInfo.CurrentCulture);
Assert.IsType <SolidColorBrush>(result);
Assert.Equal(color, ((SolidColorBrush)result).Color);
}
public void Convert_Null_Null()
{
//action
SolidColorBrush actual = Target.Convert(null, typeof(Brush), null, null) as SolidColorBrush;
//assert
Assert.IsNull(actual);
}
public object ProvideValue(IServiceProvider serviceProvider)
{
var stack = serviceProvider.GetService <IAvaloniaXamlIlParentStackProvider>();
var provideTarget = serviceProvider.GetService <IProvideValueTarget>();
var targetType = provideTarget.TargetProperty switch
{
AvaloniaProperty ap => ap.PropertyType,
PropertyInfo pi => pi.PropertyType,
_ => null,
};
if (provideTarget.TargetObject is Setter setter)
{
targetType = setter.Property.PropertyType;
}
// Look upwards though the ambient context for IResourceHosts and IResourceProviders
// which might be able to give us the resource.
foreach (var e in stack.Parents)
{
object value;
if (e is IResourceHost host && host.TryGetResource(ResourceKey, out value))
{
return(ColorToBrushConverter.Convert(value, targetType));
}
public void ConvertWithNullReturnsNull()
{
var converter = new ColorToBrushConverter();
var value = converter.Convert(null, typeof(string), null, CultureInfo.CurrentCulture);
Assert.IsNull(value);
}
public void ConvertWithNullReturnsNull()
{
var converter = new ColorToBrushConverter();
var value = converter.Convert(null, typeof(string), null, CultureInfo.CurrentCulture);
Assert.IsNull(value);
}
public object ProvideValue(IServiceProvider serviceProvider)
{
var stack = serviceProvider.GetService <IAvaloniaXamlIlParentStackProvider>();
var provideTarget = serviceProvider.GetService <IProvideValueTarget>();
var targetType = provideTarget.TargetProperty switch
{
AvaloniaProperty ap => ap.PropertyType,
PropertyInfo pi => pi.PropertyType,
_ => null,
};
if (provideTarget.TargetObject is Setter setter)
{
targetType = setter.Property.PropertyType;
}
var previousWasControlTheme = false;
// Look upwards though the ambient context for IResourceNodes
// which might be able to give us the resource.
foreach (var parent in stack.Parents)
{
if (parent is IResourceNode node && node.TryGetResource(ResourceKey, out var value))
{
return(ColorToBrushConverter.Convert(value, targetType));
}
// HACK: Temporary fix for #8678. Hard-coded to only work for the DevTools main
// window as we don't want 3rd parties to start relying on this hack.
//
// We need to implement compile-time merging of resource dictionaries and this
// hack can be removed.
if (previousWasControlTheme &&
parent is ResourceDictionary hack &&
hack.Owner?.GetType().FullName == "Avalonia.Diagnostics.Views.MainWindow" &&
hack.Owner.TryGetResource(ResourceKey, out value))
{
return(ColorToBrushConverter.Convert(value, targetType));
}
previousWasControlTheme = parent is ControlTheme;
}
if (provideTarget.TargetObject is IControl target &&
provideTarget.TargetProperty is PropertyInfo property)
{
// This is stored locally to avoid allocating closure in the outer scope.
var localTargetType = targetType;
var localInstance = this;
DelayedBinding.Add(target, property, x => localInstance.GetValue(x, localTargetType));
return(AvaloniaProperty.UnsetValue);
}
throw new KeyNotFoundException($"Static resource '{ResourceKey}' not found.");
}
private Func <object?, object?>?GetConverter(AvaloniaProperty targetProperty)
{
if (targetProperty?.PropertyType == typeof(IBrush))
{
return(x => ColorToBrushConverter.Convert(x, typeof(IBrush)));
}
return(null);
}
public void TestConvert1()
{
var converter = new ColorToBrushConverter();
var value = converter.Convert(Colors.Red, typeof(Brush), null, null);
value.Should().NotBeNull();
value.Should().BeOfType <SolidColorBrush>();
var brush = (SolidColorBrush)value;
brush.Color.Should().Be(Colors.Red);
}
public void ConvertWithColorReturnsBrush()
{
var converter = new ColorToBrushConverter();
var expected = Colors.Blue;
var actual = converter.Convert(Colors.Blue, typeof(string), null, CultureInfo.CurrentCulture);
Assert.IsInstanceOfType(actual, typeof(SolidColorBrush));
Assert.AreEqual(((SolidColorBrush)actual).Color, expected);
}
public void ConvertWithColorReturnsBrush()
{
var converter = new ColorToBrushConverter();
var expected = Colors.Blue;
var actual = converter.Convert(Colors.Blue, typeof(string), null, CultureInfo.CurrentCulture);
Assert.IsInstanceOfType(actual, typeof(SolidColorBrush));
Assert.AreEqual(((SolidColorBrush)actual).Color, expected);
}
public void ColorToBrushConverterTest()
{
// ReSharper disable PossibleNullReferenceException
var conv = new ColorToBrushConverter();
var color = Colors.Red;
var colorForward = conv.Convert(color, null, null, _cult) as Brush;
Assert.IsNotNull(colorForward);
var colorBack = (Color)conv.ConvertBack(colorForward, null, null, _cult);
Assert.AreEqual(color, colorBack);
// ReSharper restore PossibleNullReferenceException
}
public object ProvideValue(IServiceProvider serviceProvider)
{
var stack = serviceProvider.GetService <IAvaloniaXamlIlParentStackProvider>();
var provideTarget = serviceProvider.GetService <IProvideValueTarget>();
var targetType = provideTarget.TargetProperty switch
{
AvaloniaProperty ap => ap.PropertyType,
PropertyInfo pi => pi.PropertyType,
_ => null,
};
if (provideTarget.TargetObject is Setter setter)
{
targetType = setter.Property.PropertyType;
}
// Look upwards though the ambient context for IResourceNodes
// which might be able to give us the resource.
foreach (var parent in stack.Parents)
{
if (parent is IResourceNode node && node.TryGetResource(ResourceKey, out var value))
{
return(ColorToBrushConverter.Convert(value, targetType));
}
}
if (provideTarget.TargetObject is IControl target &&
provideTarget.TargetProperty is PropertyInfo property)
{
// This is stored locally to avoid allocating closure in the outer scope.
var localTargetType = targetType;
var localInstance = this;
DelayedBinding.Add(target, property, x => localInstance.GetValue(x, localTargetType));
return(AvaloniaProperty.UnsetValue);
}
throw new KeyNotFoundException($"Static resource '{ResourceKey}' not found.");
}
private SolidColorBrush Convert(object toConvert)
{
var converter = new ColorToBrushConverter();
return((SolidColorBrush)converter.Convert(toConvert, typeof(Color), null, CultureInfo.InvariantCulture));
}
private object GetValue(IStyledElement control, Type targetType)
{
return(ColorToBrushConverter.Convert(control.FindResource(ResourceKey), targetType));
}
public void TestConvert2()
{
var converter = new ColorToBrushConverter();
converter.Convert(null, typeof(Brush), null, null).Should().BeNull();
}
public void Convert_Green()
{
var converter = new ColorToBrushConverter();
Assert.AreEqual(new SolidColorBrush(Colors.Green).ToString(), converter.Convert(Colors.Green, typeof(Brush), null, (CultureInfo)null).ToString());
}
public void Convert_Null()
{
var converter = new ColorToBrushConverter();
Assert.AreEqual(ConverterHelper.UnsetValue, converter.Convert(null, typeof(Brush), null, (CultureInfo)null));
}