/// <summary>
/// Convert a property referencing another resource into a <see cref="ResourceReferenceModel"/>
/// </summary>
protected ResourceReferenceModel ConvertReference(Resource current, PropertyInfo property)
{
// Create reference model from property information and optional attribute
var referenceModel = new ResourceReferenceModel
{
Name = property.Name
};
// We can not set current targets if we do not have any
var value = property.GetValue(current);
if (value == null)
{
return(referenceModel);
}
// Convert referenced resource objects and possible instance types
// TODO Type wrappers in AL5
var referenceTargets = (value as IEnumerable <IResource>) ?? new[] { (IResource)value };
foreach (Resource resource in referenceTargets)
{
// Load references partially UNLESS they are new, unsaved objects
var model = ToModel(resource, resource.Id > 0);
ConvertReferenceRecursion(resource, model);
referenceModel.Targets.Add(model);
}
return(referenceModel);
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceReferenceViewModel"/> class.
/// </summary>
public ResourceReferenceViewModel(ResourceReferenceModel model, ReferenceTypeViewModel type)
{
Model = model;
CopyFromModel();
Type = type;
Targets.CollectionChanged += (sender, args) => NotifyOfPropertyChange(nameof(AnyReference));
}
public void UpdateModel(ResourceReferenceModel model, ReferenceTypeViewModel referenceType)
{
Model = model;
Type = referenceType;
CopyFromModel();
}