public override void Execute(SolutionModel solutionModel, SelectionContext context) { FileModel fileModel; CodeSpan selection; if (!solutionModel.IsEditorSelection(context, out fileModel, out selection)) { return; } IPropertyDeclaration propertyDeclaration = fileModel.InnerMost <IPropertyDeclaration>(selection); if (IsFieldBackedPropertyWithSetterInsideClass(propertyDeclaration) && EnclosingClassImplementsINotifyPropertyChanged(propertyDeclaration)) { IConstructLanguage language = propertyDeclaration.Language; string methodInvocationName = language.Name == LanguageNames.CSharp ? "OnPropertyChanged" : "RaisePropertyChangedEvent"; IMethodInvocation methodInvocation = language.MethodInvocation( language.None <IExpression>(), language.Identifier(methodInvocationName), language.None <ITypeArguments>(), language.Arguments( language.Argument(language.StringLiteral(propertyDeclaration.Identifier.Name)))); IAccessor setter = propertyDeclaration.Setter(); List <IStatement> ifBlockStatements = new List <IStatement>(setter.Block.ChildStatements); ifBlockStatements.Add(language.ExpressionStatement(methodInvocation)); IIfStatement ifStatement = language.IfStatement( language.BinaryExpression( language.MemberAccess(language.None <IExpression>(), propertyDeclaration.BackingField().Identifier), Operator.NotEqual, language.Expression("value")), language.Block(ifBlockStatements)); IBlock newBlock = language.Block(ifStatement); setter.Block = newBlock; } }
private void InsertWrappedProperties(IClassDeclaration viewModel, List <IPropertyDeclaration> confirmedPropertiesForWrapping, IFieldDeclaration wrappedClassField, IIdentifier onPropertyChangedIdentifier) { IConstructLanguage language = viewModel.Language; foreach (IPropertyDeclaration property in confirmedPropertiesForWrapping) { IMemberAccess propertyMemberAccess = language.MemberAccess( language.MemberAccess(language.None <IExpression>(), wrappedClassField.Identifier), property.Identifier); IAccessor getterOfWrapper = language.None <IAccessor>(); IAccessor propertyGetter = property.Getter(); if (propertyGetter.Exists && IsAccessorVisibleOutsideClass(propertyGetter.Modifiers)) { getterOfWrapper = language.Getter( language.Modifiers(propertyGetter.Modifiers.Modifiers), language.Block( language.ReturnStatement(propertyMemberAccess))); } IAccessor setterOfWrapper = language.None <IAccessor>(); IAccessor propertySetter = property.Setter(); if (propertySetter.Exists && IsAccessorVisibleOutsideClass(propertySetter.Modifiers)) { IStatement assignment = language.AssignmentStatement(propertyMemberAccess, language.Expression("value")); IMethodInvocation onPropertyChangedInvocation = language.MethodInvocation( language.None <IExpression>(), onPropertyChangedIdentifier, language.None <ITypeArguments>(), language.Arguments( language.Argument(language.StringLiteral(property.Identifier.Name)))); IIfStatement ifStatement = language.IfStatement( language.BinaryExpression(propertyMemberAccess, Operator.NotEqual, language.Expression("value")), language.Block(assignment, language.ExpressionStatement(onPropertyChangedInvocation))); setterOfWrapper = language.Setter( language.Modifiers(propertyGetter.Modifiers.Modifiers), language.Block(ifStatement)); } if (getterOfWrapper.Exists || setterOfWrapper.Exists) { IPropertyDeclaration wrapperProperty = language.Property( language.None <IDocComment>(), language.None <IAttributes>(), property.Modifiers, property.TypeName, property.Identifier, getterOfWrapper, setterOfWrapper); viewModel.Insert(wrapperProperty); } } }
private IAccessor CreateSetter(IConstructLanguage language, string propertyName, IFieldDeclaration field) { string propertyChangedName = language.Name == LanguageNames.CSharp ? "OnPropertyChanged" : "RaisePropertyChangedEvent"; IMethodInvocation onPropertyChanged = language.MethodInvocation(language.None<IExpression>(), language.Identifier(propertyChangedName), language.None<ITypeArguments>(), language.Arguments( language.Argument(language.StringLiteral(propertyName)))); IMemberAccess fieldUsage = language.MemberAccess(language.None<IExpression>(), field.Identifier); IExpression valueUsage = language.Expression("value"); IStatement assignment = language.AssignmentStatement(fieldUsage, valueUsage); IIfStatement ifStatement = language.IfStatement( language.BinaryExpression(fieldUsage, Operator.NotEqual, valueUsage), language.Block(assignment, language.ExpressionStatement(onPropertyChanged))); IAccessor setter = language.Setter(language.Block(ifStatement)); return setter; }
private IAccessor CreateSetter(IConstructLanguage language, string propertyName, IFieldDeclaration field) { string propertyChangedName = language.Name == LanguageNames.CSharp ? "OnPropertyChanged" : "RaisePropertyChangedEvent"; IMethodInvocation onPropertyChanged = language.MethodInvocation(language.None <IExpression>(), language.Identifier(propertyChangedName), language.None <ITypeArguments>(), language.Arguments( language.Argument(language.StringLiteral(propertyName)))); IMemberAccess fieldUsage = language.MemberAccess(language.None <IExpression>(), field.Identifier); IExpression valueUsage = language.Expression("value"); IStatement assignment = language.AssignmentStatement(fieldUsage, valueUsage); IIfStatement ifStatement = language.IfStatement( language.BinaryExpression(fieldUsage, Operator.NotEqual, valueUsage), language.Block(assignment, language.ExpressionStatement(onPropertyChanged))); IAccessor setter = language.Setter(language.Block(ifStatement)); return(setter); }