/// <summary>
/// Intantiates a new instance of <see cref="Property"/>.
/// </summary>
/// <param name="serviceProvider">The <see cref="IServiceProvider"/> used to obtain services. This is most-often used when the property appears in an editor.</param>
/// <param name="component">The <see cref="object"/> that contains the property described by <paramref name="declaringProperty"/>.</param>
/// <param name="declaringProperty">The description of the property owned by <paramref name="component"/>.</param>
/// <param name="additionalAttributes">Additional, or overridden, meta-data attributes for the <paramref name="declaringProperty"/></param>
public Property(IServiceProvider serviceProvider, object component, PropertyDescriptor declaringProperty, IEnumerable<Attribute> additionalAttributes)
{
this.serviceProvider = serviceProvider;
this.component = component;
this.declaringProperty = declaringProperty;
if (declaringProperty != null)
{
metadata = new MetadataCollection(declaringProperty.Attributes.OfType<Attribute>());
metadata.Override(additionalAttributes);
}
else
{
metadata = new MetadataCollection(additionalAttributes);
}
Initialize(declaringProperty, metadata.Attributes);
}
/// <summary>
/// Creates a new set of <see cref="Attribute"/> instances using <see cref="MetadataCollection"/> to
/// combine a base set and <see cref="Attribute"/> instances and an override set of <see cref="Attribute"/> instances.
/// </summary>
/// <param name="baseSource">The base set of attributes that may be overridden.</param>
/// <param name="overriddenSource">The overrideent set of attributes.</param>
/// <returns>The resultant set of <see cref="Attribute"/> instances with overridden values applied.</returns>
public static IEnumerable<Attribute> CombineAttributes(IEnumerable<Attribute> baseSource, IEnumerable<Attribute> overriddenSource)
{
MetadataCollection collection = new MetadataCollection(baseSource);
collection.Override(overriddenSource);
return collection.Attributes;
}
