/// <summary>
/// Sets the value of a direct property.
/// </summary>
/// <param name="property">The property.</param>
/// <param name="value">The value.</param>
private void SetDirectValueUnchecked <T>(DirectPropertyBase <T> property, BindingValue <T> value)
{
var p = AvaloniaPropertyRegistry.Instance.FindRegisteredDirect(this, property);
if (p == null)
{
throw new ArgumentException($"Property '{property.Name} not registered on '{this.GetType()}");
}
LogIfError(property, value);
switch (value.Type)
{
case BindingValueType.UnsetValue:
case BindingValueType.BindingError:
var fallback = value.HasValue ? value : value.WithValue(property.GetUnsetValue(GetType()));
property.InvokeSetter(this, fallback);
break;
case BindingValueType.DataValidationError:
property.InvokeSetter(this, value);
break;
case BindingValueType.Value:
case BindingValueType.BindingErrorWithFallback:
case BindingValueType.DataValidationErrorWithFallback:
property.InvokeSetter(this, value);
break;
}
if (p.IsDataValidationEnabled)
{
UpdateDataValidation(property, value);
}
}
void IValueSink.ValueChanged <T>(
StyledPropertyBase <T> property,
BindingPriority priority,
Optional <T> oldValue,
BindingValue <T> newValue)
{
oldValue = oldValue.HasValue ? oldValue : GetInheritedOrDefault(property);
newValue = newValue.HasValue ? newValue : newValue.WithValue(GetInheritedOrDefault(property));
LogIfError(property, newValue);
if (!EqualityComparer <T> .Default.Equals(oldValue.Value, newValue.Value))
{
RaisePropertyChanged(property, oldValue, newValue, priority);
Logger.TryGet(LogEventLevel.Verbose)?.Log(
LogArea.Property,
this,
"{Property} changed from {$Old} to {$Value} with priority {Priority}",
property,
oldValue,
newValue,
(BindingPriority)priority);
}
}