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//
// CreateProperty.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (c) 2011 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using ICSharpCode.NRefactory.Semantics;
using ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.CSharp.Refactoring
{
[ContextAction("Create property", Description = "Creates a property for a undefined variable.")]
public class CreatePropertyAction : ICodeActionProvider
{
public IEnumerable<CodeAction> GetActions(RefactoringContext context)
{
var identifier = CreateFieldAction.GetCreatePropertyOrFieldNode (context);
if (identifier == null)
yield break;
if (CreateFieldAction.IsInvocationTarget(identifier))
yield break;
var propertyName = GetPropertyName(identifier);
if (propertyName == null)
yield break;
var statement = context.GetNode<Statement>();
if (statement == null)
yield break;
if (!(context.Resolve(identifier).IsError))
yield break;
var guessedType = CreateFieldAction.GuessAstType(context, identifier);
if (guessedType == null)
yield break;
var state = context.GetResolverStateBefore(identifier);
if (state.CurrentTypeDefinition == null)
yield break;
bool createInOtherType = false;
ResolveResult targetResolveResult = null;
if (identifier is MemberReferenceExpression) {
targetResolveResult = context.Resolve(((MemberReferenceExpression)identifier).Target);
if (targetResolveResult.Type.GetDefinition() == null || targetResolveResult.Type.GetDefinition().Region.IsEmpty)
yield break;
createInOtherType = !state.CurrentTypeDefinition.Equals(targetResolveResult.Type.GetDefinition());
}
bool isStatic = targetResolveResult is TypeResolveResult;
if (createInOtherType) {
if (isStatic && targetResolveResult.Type.Kind == TypeKind.Interface || targetResolveResult.Type.Kind == TypeKind.Enum)
yield break;
} else {
if (state.CurrentMember == null)
yield break;
isStatic |= state.CurrentTypeDefinition.IsStatic;
if (targetResolveResult == null)
isStatic |= state.CurrentMember.IsStatic;
}
isStatic &= !(identifier is NamedExpression);
// var service = (NamingConventionService)context.GetService(typeof(NamingConventionService));
// if (service != null && !service.IsValidName(propertyName, AffectedEntity.Property, Modifiers.Private, isStatic)) {
// yield break;
// }
yield return new CodeAction(context.TranslateString("Create property"), script => {
var decl = new PropertyDeclaration() {
ReturnType = guessedType,
Name = propertyName,
Getter = new Accessor(),
Setter = new Accessor()
};
if (isStatic)
decl.Modifiers |= Modifiers.Static;
if (createInOtherType) {
if (targetResolveResult.Type.Kind == TypeKind.Interface) {
decl.Modifiers = Modifiers.None;
} else {
decl.Modifiers |= Modifiers.Public;
}
script.InsertWithCursor(
context.TranslateString("Create property"),
targetResolveResult.Type.GetDefinition(),
decl);
return;
}
script.InsertWithCursor(context.TranslateString("Create property"), Script.InsertPosition.Before, decl);
}, identifier);
}
internal static string GetPropertyName(Expression expr)
{
if (expr is IdentifierExpression)
return ((IdentifierExpression)expr).Identifier;
if (expr is MemberReferenceExpression)
return ((MemberReferenceExpression)expr).MemberName;
if (expr is NamedExpression)
return ((NamedExpression)expr).Name;
return null;
}
}
}
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