internal static void SetValue <TInterface, TProperty>(IProductElement target, Expression <Func <TProperty> > propertyExpresion, TProperty value)
{
Guard.NotNull(() => target, target);
Guard.NotNull(() => propertyExpresion, propertyExpresion);
var member = GetExpressionPropertyOrThrow <TProperty>(propertyExpresion);
var property = GetInterfacePropertyOrThrow <TInterface>(member);
var variableProperty = target.Properties.FirstOrDefault(prop => prop.DefinitionName == property.Name);
if (variableProperty != null)
{
// The descriptor associated with the property will do the conversion already if supported.
variableProperty.Value = value;
}
else
{
var elementProperty = TypeDescriptor.GetProperties(target).Find(property.Name, false);
if (elementProperty == null)
{
throw new NotSupportedException(string.Format(
CultureInfo.CurrentCulture,
Resources.ToolkitInterfaceLayer_InstancePropertyNotFound,
target.GetType().Name,
property.Name));
}
// We don't do type conversion from element (reflection) properties as they will already be typed accesses.
elementProperty.SetValue(target, value);
}
}
internal static TProperty GetValue <TInterface, TProperty>(IProductElement target, Expression <Func <TProperty> > propertyExpresion)
{
Guard.NotNull(() => target, target);
Guard.NotNull(() => propertyExpresion, propertyExpresion);
var member = GetExpressionPropertyOrThrow <TProperty>(propertyExpresion);
var property = GetInterfacePropertyOrThrow <TInterface>(member);
var variableProperty = target.Properties.FirstOrDefault(prop => prop.DefinitionName == property.Name);
if (variableProperty != null)
{
var value = variableProperty.Value;
if (value != null && !typeof(TProperty).IsAssignableFrom(value.GetType()))
{
return((TProperty)property.Converter.ConvertFrom(value));
}
return((TProperty)value);
}
var elementProperty = TypeDescriptor.GetProperties(target).Find(property.Name, false);
if (elementProperty == null)
{
throw new NotSupportedException(string.Format(
CultureInfo.CurrentCulture,
Resources.ToolkitInterfaceLayer_InstancePropertyNotFound,
target.GetType().Name,
property.Name));
}
// We don't do type conversion from element (reflection) properties as they will already be typed accesses.
return((TProperty)elementProperty.GetValue(target));
}
private static Func <IProductElement, ISolutionBuilderContext, ProductElementViewModel> FindFactory(IProductElement element)
{
return(vmFactories.Where(f => f.Key.IsAssignableFrom(element.GetType())).Select(f => f.Value).First());
}