public static void GetErrorText(
StringRangeConstraint obj,
MethodReturnEventArgs<string> e,
object constrainedObjectParam,
object constrainedValueParam)
{
if (obj.IsValid(constrainedObjectParam, constrainedValueParam))
{
e.Result = null;
}
else
{
constrainedValueParam = (constrainedValueParam ?? String.Empty);
int length = constrainedValueParam.ToString().Length;
StringBuilder result = new StringBuilder();
if (length < obj.MinLength)
result.AppendFormat("{0} should be at least {1} characters long", obj.ConstrainedProperty.Name, obj.MinLength);
if (obj.MaxLength != null && length > obj.MaxLength)
result.AppendFormat("{0} should be at most {1} characters long", obj.ConstrainedProperty.Name, obj.MaxLength);
if (!String.IsNullOrEmpty(obj.Reason))
{
result.Append(": ");
result.Append(obj.Reason);
}
e.Result = result.ToString();
}
}
public static void GetErrorText(
StringRangeConstraint obj,
MethodReturnEventArgs <string> e,
object constrainedObjectParam,
object constrainedValueParam)
{
if (obj.IsValid(constrainedObjectParam, constrainedValueParam))
{
e.Result = null;
}
else
{
constrainedValueParam = (constrainedValueParam ?? String.Empty);
int length = constrainedValueParam.ToString().Length;
StringBuilder result = new StringBuilder();
if (length < obj.MinLength)
{
result.AppendFormat("{0} should be at least {1} characters long", obj.ConstrainedProperty.Name, obj.MinLength);
}
if (obj.MaxLength != null && length > obj.MaxLength)
{
result.AppendFormat("{0} should be at most {1} characters long", obj.ConstrainedProperty.Name, obj.MaxLength);
}
if (!String.IsNullOrEmpty(obj.Reason))
{
result.Append(": ");
result.Append(obj.Reason);
}
e.Result = result.ToString();
}
}
public static void IsValid(
StringRangeConstraint obj,
MethodReturnEventArgs<bool> e,
object constrainedObjectParam,
object constrainedValueParam)
{
int length = (constrainedValueParam ?? String.Empty).ToString().Length;
e.Result = length == 0 || ((obj.MinLength <= length) && (length <= (obj.MaxLength ?? int.MaxValue)));
}
public static void IsValid(
StringRangeConstraint obj,
MethodReturnEventArgs <bool> e,
object constrainedObjectParam,
object constrainedValueParam)
{
int length = (constrainedValueParam ?? String.Empty).ToString().Length;
e.Result = length == 0 || ((obj.MinLength <= length) && (length <= (obj.MaxLength ?? int.MaxValue)));
}
public static int GetMaxLength(this StringProperty prop)
{
if (prop == null)
{
throw new ArgumentNullException("prop");
}
StringRangeConstraint constraint = prop.GetLengthConstraint();
// create unconstrained maxLength if no constrain is specified
return(constraint == null ? Zetbox.API.Helper.DefaultStringPropertyLength : (constraint.MaxLength ?? int.MaxValue));
}
public static void ToString(StringRangeConstraint obj, Zetbox.API.MethodReturnEventArgs<string> e)
{
string maxLength = obj.MaxLength != null ? obj.MaxLength.ToString() : "unlimited";
// Only display min if there is an actual restriction.
if (obj.MinLength > 0)
{
e.Result = String.Format("{0} should have at least {1} and at most {2} characters",
obj.ConstrainedProperty == null
? "a property"
: obj.ConstrainedProperty.Name,
obj.MinLength,
maxLength);
}
else
{
e.Result = String.Format("{0} should have at most {1} characters",
obj.ConstrainedProperty == null
? "a property"
: obj.ConstrainedProperty.Name,
maxLength);
}
}
public static void ToString(StringRangeConstraint obj, Zetbox.API.MethodReturnEventArgs <string> e)
{
string maxLength = obj.MaxLength != null?obj.MaxLength.ToString() : "unlimited";
// Only display min if there is an actual restriction.
if (obj.MinLength > 0)
{
e.Result = String.Format("{0} should have at least {1} and at most {2} characters",
obj.ConstrainedProperty == null
? "a property"
: obj.ConstrainedProperty.Name,
obj.MinLength,
maxLength);
}
else
{
e.Result = String.Format("{0} should have at most {1} characters",
obj.ConstrainedProperty == null
? "a property"
: obj.ConstrainedProperty.Name,
maxLength);
}
}
