// REVIEW: Prefers composition over extension?
public virtual Type Resolve(Type viewType)
{
Require.NotNull(viewType, nameof(viewType));
Trace.TraceInformation("[PresenterTypeResolver] Attempting to resolve '{0}'", viewType.FullName);
var candidatePrefixes = GetCandidatePrefixesFromInterfaces(viewType)
.Append(GetCandidatePrefixFromViewName(viewType.Name));
// We also look into the view namespace and into the assembly where the view is defined.
var nameSpaces = _defaultNamespaces
.Append(viewType.Namespace)
.Append(new AssemblyName(viewType.Assembly.FullName).Name);
var presenterTypes
= from candidatePrefix in candidatePrefixes.Distinct()
from template in
(from nameSpace in nameSpaces.Distinct()
from template in _presenterNameTemplates
select template.Replace("{namespace}", nameSpace))
let typeName = template.Replace("{presenter}", candidatePrefix + "Presenter")
let presenterType = _buildManager.GetType(
typeName,
throwOnError: false,
ignoreCase: true)
where presenterType != null && typeof(Narvalo.Mvp.IPresenter).IsAssignableFrom(presenterType)
select presenterType;
return(presenterTypes.FirstOrDefault());
}
static ConventionSearchResult PerformSearch(IView viewInstance, IEnumerable<string> viewInstanceSuffixes, IEnumerable<string> presenterTypeFullNameFormats, IBuildManager buildManager)
{
var viewType = viewInstance.GetType();
var presenterType = default(Type);
// Use the base type for pages & user controls as that is the code-behind file
// TODO: Ensure using BaseType still works in WebSite projects with code-beside files instead of code-behind files
if (viewType.Namespace == "ASP" &&
(typeof(Page).IsAssignableFrom(viewType) || typeof(Control).IsAssignableFrom(viewType)))
{
viewType = viewType.BaseType;
}
// Get presenter type name from view instance type name
var presenterTypeNames = new List<string> { GetPresenterTypeNameFromViewTypeName(viewType, viewInstanceSuffixes) };
// Get presenter type names from implemented IView interfaces
presenterTypeNames.AddRange(GetPresenterTypeNamesFromViewInterfaceTypeNames(viewType.GetViewInterfaces()));
// Create candidate presenter type full names
var candidatePresenterTypeFullNames = GenerateCandidatePresenterTypeFullNames(viewType, presenterTypeNames, presenterTypeFullNameFormats);
// Ask the build manager to load each type until one is found
var messages = new List<string>();
foreach (var typeFullName in candidatePresenterTypeFullNames.Distinct())
{
presenterType = buildManager.GetType(typeFullName, false);
if (presenterType == null)
{
messages.Add(string.Format(
CultureInfo.InvariantCulture,
"could not find a presenter with type name {0}",
typeFullName
));
continue;
}
if (!typeof(IPresenter).IsAssignableFrom(presenterType))
{
messages.Add(string.Format(
CultureInfo.InvariantCulture,
"found, but ignored, potential presenter with type name {0} because it does not implement IPresenter",
typeFullName
));
presenterType = null;
continue;
}
messages.Add(string.Format(
CultureInfo.InvariantCulture,
"found presenter with type name {0}",
typeFullName
));
break;
}
return new ConventionSearchResult(
"ConventionBasedPresenterDiscoveryStrategy:\r\n" +
string.Join("\r\n", messages.Select(m => "- " + m).ToArray()),
presenterType
);
}
public Type GetType(string typeName, bool throwOnError, bool ignoreCase)
{
ArgumentUtility.CheckNotNullOrEmpty("typeName", typeName);
return(_innerBuildManager.GetType(typeName, throwOnError, ignoreCase));
}
static ConventionSearchResult PerformSearch(IView viewInstance, IEnumerable <string> viewInstanceSuffixes, IEnumerable <string> presenterTypeFullNameFormats, IBuildManager buildManager)
{
var viewType = viewInstance.GetType();
var presenterType = default(Type);
// Use the base type for pages & user controls as that is the code-behind file
// TODO: Ensure using BaseType still works in WebSite projects with code-beside files instead of code-behind files
if (viewType.Namespace == "ASP" &&
(typeof(Page).IsAssignableFrom(viewType) || typeof(Control).IsAssignableFrom(viewType)))
{
viewType = viewType.BaseType;
}
// Get presenter type name from view instance type name
var presenterTypeNames = new List <string> {
GetPresenterTypeNameFromViewTypeName(viewType, viewInstanceSuffixes)
};
// Get presenter type names from implemented IView interfaces
presenterTypeNames.AddRange(GetPresenterTypeNamesFromViewInterfaceTypeNames(viewType.GetViewInterfaces()));
// Create candidate presenter type full names
var candidatePresenterTypeFullNames = GenerateCandidatePresenterTypeFullNames(viewType, presenterTypeNames, presenterTypeFullNameFormats);
// Ask the build manager to load each type until one is found
var messages = new List <string>();
foreach (var typeFullName in candidatePresenterTypeFullNames.Distinct())
{
presenterType = buildManager.GetType(typeFullName, false);
if (presenterType == null)
{
messages.Add(string.Format(
CultureInfo.InvariantCulture,
"could not find a presenter with type name {0}",
typeFullName
));
continue;
}
if (!typeof(IPresenter).IsAssignableFrom(presenterType))
{
messages.Add(string.Format(
CultureInfo.InvariantCulture,
"found, but ignored, potential presenter with type name {0} because it does not implement IPresenter",
typeFullName
));
presenterType = null;
continue;
}
messages.Add(string.Format(
CultureInfo.InvariantCulture,
"found presenter with type name {0}",
typeFullName
));
break;
}
return(new ConventionSearchResult(
"ConventionBasedPresenterDiscoveryStrategy:\r\n" +
string.Join("\r\n", messages.Select(m => "- " + m).ToArray()),
presenterType
));
}
public void GetType_WithValidTypeName_ReturnsType()
{
Assert.That(
_buildManager.GetType("Remotion.Web.Infrastructure.IBuildManager, Remotion.Web", true, false),
Is.EqualTo(typeof(IBuildManager)));
}
