public void GenerateExtensionsClass()
{
var usings = new Usings(Context, NamespaceName);
var properties = new List <Property>();
var methods = new Source(Context, usings);
var staticFields = new Source(Context, usings);
// Add interface extension methods, allowing fluent style setters
foreach (IPropertySymbol propertySymbol in Type.GetMembers().Where(member => member.Kind == SymbolKind.Property))
{
var property = new Property(Context, this, propertySymbol);
properties.Add(property);
property.GenerateExtensionClassMethods(methods);
}
// If there are any attached properties, add target extension methods for those too
if (AttachedType != null)
{
string attachedClassName = FrameworkClassName + "Attached";
usings.AddNamespace("System");
staticFields.AddLines(
$"private static readonly Lazy<{AttachedType.Name}> s_{attachedClassName} = new Lazy<{AttachedType.Name}>(() => StandardUIEnvironment.Instance.Factory.{attachedClassName}Instance);",
$"public static {AttachedType.Name} {attachedClassName}Instance => s_{attachedClassName}.Value;");
methods.AddBlankLineIfNonempty();
methods.AddLine("// Attached properties");
foreach (ISymbol member in AttachedType.GetMembers())
{
if (!(member is IMethodSymbol getterMethod))
{
continue;
}
// We just process the Get
string methodName = getterMethod.Name;
if (!methodName.StartsWith("Get"))
{
if (!methodName.StartsWith("Set"))
{
throw new UserViewableException(
$"Attached type method {AttachedType.Name}.{methodName} doesn't start with Get or Set");
}
else
{
continue;
}
}
string propertyName = methodName.Substring("Get".Length);
string setterMethodName = "Set" + propertyName;
IMethodSymbol?setterMethod = (IMethodSymbol?)AttachedType.GetMembers(setterMethodName).FirstOrDefault();
var attachedProperty = new AttachedProperty(Context, this, AttachedType, getterMethod, setterMethod);
attachedProperty.GenerateExtensionClassMethods(methods);
}
}
if (!(methods.IsEmpty && staticFields.IsEmpty))
{
string extensionsClassName = FrameworkClassName + "Extensions";
Source extensionsClassSource = GenerateStaticClassFile(usings, NamespaceName, extensionsClassName, methods, staticFields);
extensionsClassSource.WriteToFile(Context.GetSharedOutputDirectory(ChildNamespaceName), extensionsClassName + ".cs");
}
}
public void Generate(UIFramework uiFramework)
{
string frameworkNamespaceName = uiFramework.ToFrameworkNamespaceName(Namespace);
var usings = new Usings(Context, frameworkNamespaceName);
var properties = new List <Property>();
var stubSourceForUsings = new Source(Context, usings);
var mainClassStaticFields = new Source(Context, usings);
var mainClassStaticMethods = new Source(Context, usings);
var mainClassNonstaticFields = new Source(Context, usings);
var mainClassNonstaticMethods = new Source(Context, usings);
var attachedClassStaticFields = new Source(Context, usings);
var attachedClassMethods = new Source(Context, usings);
// Add the property descriptors and accessors
foreach (IPropertySymbol propertySymbol in Type.GetMembers().Where(member => member.Kind == SymbolKind.Property))
{
var property = new Property(Context, this, propertySymbol);
properties.Add(property);
uiFramework.GeneratePropertyDescriptor(property, mainClassStaticFields);
uiFramework.GeneratePropertyField(property, mainClassNonstaticFields);
uiFramework.GeneratePropertyMethods(property, mainClassNonstaticMethods);
}
// If there are any attached properties, add the property descriptors and accessors for them
if (AttachedType != null)
{
foreach (ISymbol member in AttachedType.GetMembers())
{
if (!(member is IMethodSymbol getterMethod))
{
continue;
}
// We just process the Get
string methodName = getterMethod.Name;
if (!methodName.StartsWith("Get"))
{
if (!methodName.StartsWith("Set"))
{
throw new UserViewableException(
$"Attached type method {AttachedType.Name}.{methodName} doesn't start with Get or Set");
}
else
{
continue;
}
}
string propertyName = methodName.Substring("Get".Length);
string setterMethodName = "Set" + propertyName;
IMethodSymbol?setterMethod = (IMethodSymbol?)AttachedType.GetMembers(setterMethodName).FirstOrDefault();
var attachedProperty = new AttachedProperty(Context, this, AttachedType, getterMethod, setterMethod);
uiFramework.GenerateAttachedPropertyDescriptor(attachedProperty, mainClassStaticFields);
uiFramework.GenerateAttachedPropertyMethods(attachedProperty, mainClassStaticMethods);
uiFramework.GenerateAttachedPropertyAttachedClassMethods(attachedProperty, attachedClassMethods);
}
}
// Add any other methods needed for particular special types
if (IsDrawableObject)
{
uiFramework.GenerateDrawableObjectMethods(this, mainClassNonstaticMethods);
}
if (IsThisType(KnownTypes.IPanel))
{
uiFramework.GeneratePanelMethods(mainClassNonstaticMethods);
}
if (Purpose == InterfacePurpose.StandardPanel)
{
uiFramework.GenerateStandardPanelLayoutMethods(LayoutManagerType !.Name, mainClassNonstaticMethods);
}
usings.AddTypeNamespace(Type);
usings.AddNamespace(frameworkNamespaceName);
Source usingDeclarations = GenerateUsingDeclarations(uiFramework, usings);
string?destinationBaseClass = GetOutputBaseClass(uiFramework);
Source?constructor = GenerateConstructor(uiFramework, properties);
string frameworkOutputDirectory = uiFramework.GetOutputDirectory(ChildNamespaceName);
string mainClassDerviedFrom;
if (destinationBaseClass == null)
{
mainClassDerviedFrom = Name;
}
else
{
mainClassDerviedFrom = $"{destinationBaseClass}, {Name}";
}
Source mainClassSource = GenerateClassFile(usings, frameworkNamespaceName, FrameworkClassName, mainClassDerviedFrom,
constructor: constructor, staticFields: mainClassStaticFields, staticMethods: mainClassStaticMethods, nonstaticFields: mainClassNonstaticFields,
nonstaticMethods: mainClassNonstaticMethods);
mainClassSource.WriteToFile(frameworkOutputDirectory, FrameworkClassName + ".cs");
if (AttachedType != null)
{
string attachedClassName = FrameworkClassName + "Attached";
string attachedClassDerivedFrom = AttachedType.Name;
attachedClassStaticFields.AddLine($"public static {attachedClassName} Instance = new {attachedClassName}();");
Source attachedClassSource = GenerateClassFile(usings, frameworkNamespaceName, attachedClassName, attachedClassDerivedFrom,
staticFields: attachedClassStaticFields, nonstaticMethods: attachedClassMethods);
attachedClassSource.WriteToFile(frameworkOutputDirectory, attachedClassName + ".cs");
}
}
