private static async Task <bool> CanRefactorAsync(
RefactoringContext context,
PropertyDeclarationSyntax property,
ExpressionSyntax expression)
{
if (expression?.IsKind(SyntaxKind.SimpleAssignmentExpression) == true)
{
var assignment = (AssignmentExpressionSyntax)expression;
ExpressionSyntax left = assignment.Left;
ExpressionSyntax right = assignment.Right;
if (left?.IsKind(SyntaxKind.IdentifierName) == true &&
right?.IsKind(SyntaxKind.IdentifierName) == true)
{
var identifierName = (IdentifierNameSyntax)right;
if (identifierName.Identifier.ValueText == "value")
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
INamedTypeSymbol containingType = semanticModel.GetDeclaredSymbol(property, context.CancellationToken)?.ContainingType;
return(containingType != null &&
SymbolUtility.ImplementsINotifyPropertyChanged(containingType, semanticModel));
}
}
}
return(false);
}
private static async Task <bool> ImplementsINotifyPropertyChangedAsync(
RefactoringContext context,
PropertyDeclarationSyntax property)
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
IPropertySymbol propertySymbol = semanticModel.GetDeclaredSymbol(property, context.CancellationToken);
if (propertySymbol != null)
{
INamedTypeSymbol containingType = propertySymbol.ContainingType;
return(containingType != null &&
SymbolUtility.ImplementsINotifyPropertyChanged(containingType, semanticModel));
}
return(false);
}