private static IPropertyObserver CreateBaseObserver(Type containingType, XamlName propertyName)
{
if (propertyName.IsEmpty)
{
return(null);
}
containingType = propertyName.ResolveContainingType(containingType);
DependencyProperty dependencyProperty = DependencyProperty.GetProperty(containingType, propertyName.MemberName);
if (dependencyProperty != null)
{
return(new DependencyPropertyObserver(dependencyProperty));
}
PropertyInfo propertyInfo = containingType.GetInstanceProperty(propertyName.MemberName);
if (propertyInfo != null && !propertyInfo.GetIndexParameters().Any())
{
return(new ClrPropertyObserver(propertyInfo, new object[0]));
}
return(null);
}
public object ConvertFrom(XamlNamespaces namespaces, Uri sourceUri, object value)
{
string text = value.ToString().Trim();
XamlName eventName = XamlName.FromPrefixedName(text, namespaces);
Type containingType = eventName.ResolveContainingType(null);
if (containingType == null)
{
throw new Granular.Exception("Invalid routed event name \"{0}\"", eventName.LocalName);
}
RoutedEvent routedEvent = EventManager.GetEvent(containingType, eventName.MemberName);
if (routedEvent == null)
{
throw new Granular.Exception("Can't find a routed event named \"{0}\"", eventName);
}
return(routedEvent);
}
public static bool TryGetValue(object target, XamlName propertyName, out object value)
{
Type containingType = propertyName.ResolveContainingType(target.GetType());
DependencyProperty dependencyProperty = DependencyProperty.GetProperty(containingType, propertyName.MemberName);
if (dependencyProperty != null && target is DependencyObject)
{
value = ((DependencyObject)target).GetValue(dependencyProperty);
return(true);
}
PropertyInfo propertyInfo = containingType.GetInstanceProperty(propertyName.MemberName);
if (propertyInfo != null && !propertyInfo.GetIndexParameters().Any())
{
value = propertyInfo.GetValue(target, new object[0]);
return(true);
}
value = null;
return(false);
}