private static Attribute[] BuildAttributes(INuPatternCompositionService service, Reference reference)
{
if (service != null)
{
// Find KindProvider for this kind
var exportedProviderRef = service.GetExports <IReferenceKindProvider, IComponentMetadata>()
.Where(provider => provider.Metadata.Id == reference.Kind)
.Select(provider => provider.Value)
.FirstOrDefault();
if (exportedProviderRef != null)
{
// Get attributes from Type of Provider
return(exportedProviderRef.GetType().GetCustomAttributes <Attribute>(true).ToArray());
}
}
// Returns default attributes
return(new Attribute[]
{
new BrowsableAttribute(true),
new ReadOnlyAttribute(false),
new CategoryAttribute(string.Empty),
new DescriptionAttribute(reference.Kind),
new DisplayNameAttribute(reference.Kind),
});
}
public CommandSettingsValidations(INuPatternCompositionService composition)
{
Guard.NotNull(() => composition, composition);
// We statically cache the lookups here.
// TODO: this could be refactored into a separate global service.
if (ValueProviders == null || Commands == null || Validators == null)
{
var valueProviders = composition.GetExports <IValueProvider, IComponentMetadata>();
var commands = composition.GetExports <ICommand, IComponentMetadata>();
var validators = composition.GetExports <ICommandValidationRule, ICommandValidationRuleMetadata>();
ValueProviders = valueProviders.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
Commands = commands.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
Validators = validators.ToLookup(item => item.Metadata.CommandType.ToString(), item => item);
}
}
public CommandSettingsValidations(INuPatternCompositionService composition)
{
Guard.NotNull(() => composition, composition);
// We statically cache the lookups here.
// TODO: this could be refactored into a separate global service.
if (ValueProviders == null || Commands == null || Validators == null)
{
var valueProviders = composition.GetExports<IValueProvider, IComponentMetadata>();
var commands = composition.GetExports<ICommand, IComponentMetadata>();
var validators = composition.GetExports<ICommandValidationRule, ICommandValidationRuleMetadata>();
ValueProviders = valueProviders.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
Commands = commands.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
Validators = validators.ToLookup(item => item.Metadata.CommandType.ToString(), item => item);
}
}
public EventSettingsValidations(INuPatternCompositionService composition)
{
Guard.NotNull(() => composition, composition);
// We statically cache the lookups here.
// TODO: this could be refactored into a separate global service.
if (ValueProviders == null || Conditions == null || Events == null)
{
var valueProviders = composition.GetExports<IValueProvider, IComponentMetadata>();
var conditions = composition.GetExports<ICondition, IComponentMetadata>();
var events = composition.GetExports<IObservableEvent, IIdMetadata>();
ValueProviders = valueProviders.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
Conditions = conditions.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
// Unlike feature components, the events are exposed globally, and are not
// decorated by the feature runtime, so there's no way to get to its ExportingType.
// So the only way to retrieve its actual type is to get its instantiated value.
// Which is anyways guaranteed to work as otherwise they wouldn't exist
// in the global catalog at all ;)
Events = events.ToLookup(item => item.Metadata.Id, item => new Lazy<Type>(() => item.Value.GetType()));
}
}
public MenuSettingsValidations(INuPatternCompositionService composition)
{
Guard.NotNull(() => composition, composition);
// We statically cache the lookups here.
// TODO: this could be refactored into a separate global service.
if (ValueProviders == null || Conditions == null || Events == null)
{
var valueProviders = composition.GetExports <IValueProvider, IComponentMetadata>();
var conditions = composition.GetExports <ICondition, IComponentMetadata>();
var events = composition.GetExports <IObservableEvent, IIdMetadata>();
ValueProviders = valueProviders.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
Conditions = conditions.ToLookup(item => item.Metadata.Id, item => item.Metadata.ExportingType);
// Unlike feature components, the events are exposed globally, and are not
// decorated by the feature runtime, so there's no way to get to its ExportingType.
// So the only way to retrieve its actual type is to get its instantiated value.
// Which is anyways guaranteed to work as otherwise they wouldn't exist
// in the global catalog at all ;)
Events = events.ToLookup(item => item.Metadata.Id, item => new Lazy <Type>(() => item.Value.GetType()));
}
}
private void ResolveComponentTypeId()
{
this.lazyValue = composition.GetExports <T, IComponentMetadata>()
.FromComponentCatalog()
.FirstOrDefault(component => component.Metadata.Id == componentTypeId);
}
private static Attribute[] BuildAttributes(INuPatternCompositionService service, Reference reference)
{
if (service != null)
{
// Find KindProvider for this kind
var exportedProviderRef = service.GetExports<IReferenceKindProvider, IComponentMetadata>()
.Where(provider => provider.Metadata.Id == reference.Kind)
.Select(provider => provider.Value)
.FirstOrDefault();
if (exportedProviderRef != null)
{
// Get attributes from Type of Provider
return exportedProviderRef.GetType().GetCustomAttributes<Attribute>(true).ToArray();
}
}
// Returns default attributes
return new Attribute[]
{
new BrowsableAttribute(true),
new ReadOnlyAttribute(false),
new CategoryAttribute(string.Empty),
new DescriptionAttribute(reference.Kind),
new DisplayNameAttribute(reference.Kind),
};
}
