Exemple #1
0
        public override bool GetValue(object source, out object value, out string valueAccessFailureMessage)
        {
            value = null;
            valueAccessFailureMessage = null;

            EnterpriseValidationRule validator = source as EnterpriseValidationRule;

            if (this.propertyName.Equals(validator.PropertyName))
            {
                return(validator.GetValue(out value, out valueAccessFailureMessage));
            }

            valueAccessFailureMessage = string.Format(CultureInfo.CurrentUICulture,
                                                      "Test",
                                                      this.propertyName);
            return(false);
        }
Exemple #2
0
        private void AddEnterpriseValidationRule(FrameworkElement element, Binding binding, DependencyProperty dp)
        {
            if (element.DataContext == null)
            {
                return;
            }

            foreach (ValidationRule validationRule in binding.ValidationRules)
            {
                if (validationRule is EnterpriseValidationRule)
                {
                    return; //enterprise validation rule already exists for this binding, no need to add again
                }
            }

            EnterpriseValidationRule rule = new EnterpriseValidationRule();

            rule.Object = element.DataContext;
            Type propertyType = element.DataContext.GetType();

            rule.SourceTypeName = propertyType.AssemblyQualifiedName;
            rule.PropertyName   = binding.Path.Path;

            if (rule.PropertyName.Length == 0)
            {
                return; //don't validate XML bindings
            }
            PropertyInfo propertyInfo = propertyType.GetProperty(rule.PropertyName);

            //validate property paths, e.g. Address.Street
            int dot = rule.PropertyName.IndexOf('.');

            while (dot >= 0)
            {
                string propertyName = rule.PropertyName.Substring(0, dot);
                propertyInfo = propertyType.GetProperty(propertyName);

                if (propertyInfo == null)
                {
                    return;
                }

                propertyType        = propertyInfo.PropertyType;
                rule.SourceTypeName = propertyType.AssemblyQualifiedName;
                rule.PropertyName   = rule.PropertyName.Substring(dot + 1);
                dot = rule.PropertyName.IndexOf('.');
            }

            if (propertyInfo == null)
            {
                return;
            }

            rule.RulesetName         = RulesetName;
            rule.SpecificationSource = SpecificationSource;

            rule.Converter          = binding.Converter;
            rule.ConverterCulture   = binding.ConverterCulture;
            rule.ConverterParameter = binding.ConverterParameter;
            binding.ValidationRules.Add(rule);
        }