/// <summary>
/// Converts the given validity state to a validation error enum.
/// </summary>
protected static ValidationErrors GetErrorsFrom(IValidityState state)
{
var result = ValidationErrors.None;
if (state.IsBadInput)
{
result ^= ValidationErrors.BadInput;
}
if (state.IsTooShort)
{
result ^= ValidationErrors.TooShort;
}
if (state.IsTooLong)
{
result ^= ValidationErrors.TooLong;
}
if (state.IsValueMissing)
{
result ^= ValidationErrors.ValueMissing;
}
if (state.IsCustomError)
{
result ^= ValidationErrors.Custom;
}
return(result);
}
public override ValidationErrors Check(IValidityState current)
{
var value = Input.Value;
var date = ConvertFromDate(value);
var min = ConvertFromDate(Input.Minimum);
var max = ConvertFromDate(Input.Maximum);
return(CheckTime(current, value, date, min, max));
}
public override ValidationErrors Check(IValidityState current)
{
var result = GetErrorsFrom(current);
if (IsInvalidPattern(Input.Pattern, Input.Value ?? String.Empty))
{
result ^= ValidationErrors.PatternMismatch;
}
return(result);
}
public override ValidationErrors Check(IValidityState current)
{
var result = GetErrorsFrom(current);
result &= ~ValidationErrors.ValueMissing;
if (Input.IsRequired && !Input.IsChecked)
{
result ^= ValidationErrors.ValueMissing;
}
return(result);
}
public override ValidationErrors Check(IValidityState current)
{
var value = Input.Value ?? String.Empty;
var result = GetErrorsFrom(current);
if (IsInvalidPattern(Input.Pattern, value))
{
result ^= ValidationErrors.PatternMismatch;
}
if (IsInvalidUrl(value) && !String.IsNullOrEmpty(value))
{
result ^= ValidationErrors.TypeMismatch | ValidationErrors.BadInput;
}
return(result);
}
public override ValidationErrors Check(IValidityState current)
{
var result = GetErrorsFrom(current);
if (!color.IsMatch(Input.Value ?? String.Empty))
{
result ^= ValidationErrors.BadInput;
if (Input.IsRequired)
{
result ^= ValidationErrors.ValueMissing;
}
return(result);
}
return(ValidationErrors.None);
}
/// <summary>
/// Validates the time using the given parameters.
/// </summary>
protected ValidationErrors CheckTime(IValidityState state, String value, DateTime?date, DateTime?min, DateTime?max)
{
var result = state.IsCustomError ?
ValidationErrors.Custom :
ValidationErrors.None;
if (date.HasValue)
{
if (min.HasValue && date < min.Value)
{
result ^= ValidationErrors.RangeUnderflow;
}
if (max.HasValue && date > max.Value)
{
result ^= ValidationErrors.RangeOverflow;
}
if (IsStepMismatch())
{
result ^= ValidationErrors.StepMismatch;
}
}
else
{
if (Input.IsRequired)
{
result ^= ValidationErrors.ValueMissing;
}
if (!String.IsNullOrEmpty(value))
{
result ^= ValidationErrors.BadInput;
}
}
return(result);
}
public override ValidationErrors Check(IValidityState current)
{
var value = Input.Value;
var num = ConvertToNumber(value);
var result = current.IsCustomError ?
ValidationErrors.Custom :
ValidationErrors.None;
if (num.HasValue)
{
var min = ConvertToNumber(Input.Minimum);
var max = ConvertToNumber(Input.Maximum);
if (min.HasValue && num < min.Value)
{
result ^= ValidationErrors.RangeUnderflow;
}
if (max.HasValue && num > max.Value)
{
result ^= ValidationErrors.RangeOverflow;
}
if (IsStepMismatch())
{
result ^= ValidationErrors.StepMismatch;
}
}
else
{
if (Input.IsRequired)
{
result ^= ValidationErrors.ValueMissing;
}
}
return(result);
}
/// <summary>
/// Checks the current input for its validity.
/// </summary>
public virtual ValidationErrors Check(IValidityState current)
{
return(GetErrorsFrom(current));
}
/// <summary>
/// Checks the form control for validity.
/// </summary>
/// <param name="state">The element's validity state tracker.</param>
protected override void Check(IValidityState state)
{
//TODO
}