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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/CreatePropertyAction.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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