public override IEnumerable <CodeAction> GetActions(RefactoringContext context)
{
//TODO: implement variable assignment & ctor param
var varInit = context.GetNode <VariableInitializer>();
if (varInit != null)
{
var selectedNode = varInit.GetNodeAt(context.Location);
if (selectedNode != varInit.NameToken)
{
yield break;
}
AstType type = varInit.GetPrevNode() as AstType;
if (type == null)
{
yield break;
}
if (varInit.Parent is FieldDeclaration)
{
yield break;
}
if (CannotExtractField(context, varInit))
{
yield break;
}
yield return(new CodeAction(context.TranslateString("Assign to new field"), s => {
var name = varInit.Name;
AstType extractedType;
if (type.IsVar())
{
IType resolvedType = context.Resolve(varInit.Initializer).Type;
extractedType = context.CreateShortType(resolvedType);
}
else
{
extractedType = (AstType)type.Clone();
}
AstNode entityDeclarationNode = varInit.Parent;
while (!(entityDeclarationNode is EntityDeclaration) || (entityDeclarationNode is Accessor))
{
entityDeclarationNode = entityDeclarationNode.Parent;
}
var entity = (EntityDeclaration)entityDeclarationNode;
bool isStatic = entity.HasModifier(Modifiers.Static);
FieldDeclaration field = new FieldDeclaration()
{
Modifiers = isStatic ? Modifiers.Static : Modifiers.None,
ReturnType = extractedType,
Variables = { new VariableInitializer(name) }
};
AstNode nodeToRemove = RemoveDeclaration(varInit) ? varInit.Parent : type;
s.Remove(nodeToRemove, true);
s.InsertWithCursor(context.TranslateString("Insert new field"), Script.InsertPosition.Before, field);
s.FormatText(varInit.Parent);
}, selectedNode));
}
var idntf = context.GetNode <Identifier>();
if (idntf == null)
{
yield break;
}
var paramDec = idntf.Parent as ParameterDeclaration;
if (paramDec != null)
{
var ctor = paramDec.Parent as ConstructorDeclaration;
if (ctor == null)
{
yield break;
}
MemberReferenceExpression thisField = new MemberReferenceExpression(new ThisReferenceExpression(), idntf.Name, new AstType[] {});
var assign = new AssignmentExpression(thisField, AssignmentOperatorType.Assign, new IdentifierExpression(idntf.Name));
var statement = new ExpressionStatement(assign);
var type = (idntf.GetPrevNode() as AstType).Clone();
FieldDeclaration field = new FieldDeclaration()
{
ReturnType = type.Clone(),
Variables = { new VariableInitializer(idntf.Name) }
};
yield return(new CodeAction(context.TranslateString("Assign to new field"), s => {
s.InsertWithCursor(context.TranslateString("Insert new field"), Script.InsertPosition.Before, field);
s.AddTo(ctor.Body, statement);
}, paramDec.NameToken));
}
}