public ControlResolverMetadata(ControlType controlType) : base(controlType)
{
this.controlType = controlType;
DataContextChangeAttributes = Type.GetCustomAttributes<DataContextChangeAttribute>(true).ToArray();
DataContextManipulationAttribute = Type.GetCustomAttribute<DataContextStackManipulationAttribute>(true);
if (DataContextManipulationAttribute != null && DataContextChangeAttributes.Any())
throw new Exception($"{nameof(DataContextChangeAttributes)} and {nameof(DataContextManipulationAttribute)} can not be set at the same time at control '{controlType.Type.FullName}'.");
}
protected bool Equals(ControlType other)
{
return Equals(Type, other.Type) && Equals(ControlBuilderType, other.ControlBuilderType);
}
/// <summary>
/// Resolves the control metadata for specified type.
/// </summary>
public ControlResolverMetadata ResolveControl(ControlType controlType)
{
return cachedMetadata.GetOrAdd(controlType.Type, _ => BuildControlMetadata(controlType));
}
/// <summary>
/// Gets the control metadata.
/// </summary>
private ControlResolverMetadata BuildControlMetadata(ControlType type)
{
var attribute = type.Type.GetCustomAttribute<ControlMarkupOptionsAttribute>();
var properties = GetControlProperties(type.Type);
var metadata = new ControlResolverMetadata()
{
Name = type.Type.Name,
Namespace = type.Type.Namespace,
HasHtmlAttributesCollection = typeof(IControlWithHtmlAttributes).IsAssignableFrom(type.Type),
Type = type.Type,
ControlBuilderType = type.ControlBuilderType,
Properties = properties,
IsContentAllowed = attribute.AllowContent,
VirtualPath = type.VirtualPath,
DataContextConstraint = type.DataContextRequirement,
DefaultContentProperty = attribute.DefaultContentProperty != null ? properties[attribute.DefaultContentProperty] : null
};
return metadata;
}
/// <summary>
/// Resolves the control metadata for specified type.
/// </summary>
public ControlResolverMetadata ResolveControl(ControlType controlType)
{
return(cachedMetadata.GetOrAdd(controlType, _ => BuildControlMetadata(controlType)));
}
