protected override bool EvaluateIsValid()
{
_HasBeenChecked = true;
if (String.IsNullOrEmpty(SourceTypeString))
{
if (SourceType == null &&
String.IsNullOrEmpty(XmlRuleSetName) &&
this.Page as IWFGetValidationRulesForPage == null)
{
throw new Exception("The SourceType and SourceTypeString properties are null/empty on one of the validator controls.\r\nPopulate either property.\r\nie: control.SourceType = typeof(Widget); OR in markup SourceTypeString=\"Assembly.Classes.Widget, Assembly\"\r\nFinally, the page can also implement IWFGetValidationRulesForPage.");
}
else if (SourceType == null &&
!String.IsNullOrEmpty(XmlRuleSetName))
{
//Get the type from the XmlRuleSet
SourceType = WFUtilities.GetRuleSetForName(XmlRuleSetName).ModelType;
}
else if (SourceType == null && String.IsNullOrEmpty(XmlRuleSetName))
{
SourceType = ((IWFGetValidationRulesForPage)this.Page).GetValidationClassType();
}
}
else
{
try {
SourceType = Type.GetType(SourceTypeString, true, true);
} catch (Exception ex) {
throw new Exception("Couldn't resolve type " + SourceTypeString + ". You may need to specify the fully qualified assembly name.");
}
}
PropertyInfo prop = WFUtilities.GetTargetProperty(_propertyName, SourceType);
Control validateControl = this.FindControl(this.ControlToValidate); //Search siblings
if (validateControl == null) //Search page
{
validateControl = WebControlUtilities.FindControlRecursive(this.Page, this.ControlToValidate);
}
string controlValue = WebControlUtilities.GetControlValue(validateControl);
if (String.IsNullOrEmpty(XmlRuleSetName))
{
var displayNameAttr = prop.GetCustomAttributes(typeof(DisplayNameAttribute), true).OfType <DisplayNameAttribute>().FirstOrDefault();
string displayName = displayNameAttr == null ? prop.Name : displayNameAttr.DisplayName;
foreach (var attr in prop.GetCustomAttributes(typeof(ValidationAttribute), true).OfType <ValidationAttribute>())
{
if (attr as IWFRequireValueProviderContext != null)
{
((IWFRequireValueProviderContext)attr).SetValueProvider(new WFPageControlsValueProvider(this.Page, ""));
}
if (!attr.IsValid(controlValue))
{
this.ErrorMessage = attr.FormatErrorMessage(displayName);
return(false);
}
}
return(true);
}
else
{
XmlDataAnnotationsRuleSet ruleset = WFUtilities.GetRuleSetForType(SourceType, XmlRuleSetName);
XmlDataAnnotationsRuleSetProperty property = ruleset.Properties.FirstOrDefault(p => p.PropertyName == PropertyName);
if (property != null)
{
foreach (XmlDataAnnotationsValidator val in property.Validators)
{
ValidationAttribute attr = WFUtilities.GetValidatorInstanceForXmlDataAnnotationsValidator(val);
if (attr as IWFRequireValueProviderContext != null)
{
((IWFRequireValueProviderContext)attr).SetValueProvider(new WFPageControlsValueProvider(this.Page, ""));
}
if (!String.IsNullOrEmpty(ErrorMessage) &&
String.IsNullOrEmpty(attr.ErrorMessage))
{
attr.ErrorMessage = ErrorMessage;
}
foreach (var key in val.ValidatorAttributes.Keys)
{
PropertyInfo pi = attr.GetType().GetProperty(key);
string[] excludeProps = new string[] { };
if (attr.GetType() == typeof(StringLengthAttribute))
{
excludeProps = new string[] { "maximumLength" };
}
if (attr.GetType() == typeof(RangeAttribute))
{
excludeProps = new string[] { "minimum", "maximum" };
}
if (attr.GetType() == typeof(RegularExpressionAttribute))
{
excludeProps = new string[] { "pattern" };
}
if (!excludeProps.Contains(key))
{
pi.SetValue(attr, Convert.ChangeType(val.ValidatorAttributes[key], pi.PropertyType), null);
}
}
if (!attr.IsValid(controlValue))
{
this.ErrorMessage = attr.FormatErrorMessage(property.DisplayName ?? "");
return(false);
}
}
}
return(true);
}
}