protected override void OnInit(EventArgs e)
{
base.OnInit(e);
if (InvalidInputIndicator != null)
{
InvalidInputIndicator.AttachValidator(this);
}
// This are special attributes used during the validation. Basically we want to "attach" this validator
// to the input control so that we are "aware of" other validators.
//
// "validatorscounter" = number of validator controls attached to a specific input
// "calledvalidatorcounter" = number of validator controls which have been called during the validation.
//
// During the validation, "calledvalidatorcounter" will change. We can use that to determine
// if we are the first validator called by the browser to evaluate the input.
// If so, we can safely hide any error indicator that's shown previously if the current input is valid.
//
// Increment "validatorscounter" value to include this validator
int counter = 0;
if (InputControl.Attributes["validatorscounter"] != null)
{
counter = Int32.Parse(InputControl.Attributes["validatorscounter"]);
}
InputControl.Attributes.Add("validatorscounter", String.Format("{0}", counter + 1));
// set calledvalidatorcounter=0
if (InputControl.Attributes["calledvalidatorcounter"] == null)
{
InputControl.Attributes.Add("calledvalidatorcounter", "0");
}
}
protected override bool EvaluateIsValid()
{
if (Enabled || ValidateWhenDisabled)
{
if (ConditionalCheckBox != null)
{
bool skip = false;
if (ConditionalCheckBox is RadioButton)
{
bool isChecked = (ConditionalCheckBox as RadioButton).Checked;
skip = (ValidateWhenUnchecked && isChecked) || (!ValidateWhenUnchecked && !isChecked);
}
else if (ConditionalCheckBox is CheckBox)
{
bool isChecked = (ConditionalCheckBox as CheckBox).Checked;
skip = (ValidateWhenUnchecked && isChecked) || (!ValidateWhenUnchecked && !isChecked);
}
if (skip)
{
return(true);
}
}
string value = GetControlValidationValue(ControlToValidate);
if (String.IsNullOrEmpty(value) && IgnoreEmptyValue)
{
return(true);
}
if (OnServerSideEvaluate())
{
if (InvalidInputIndicator != null)
{
InvalidInputIndicator.Hide();
}
return(true);
}
if (string.IsNullOrEmpty(InvalidInputCSS))
{
if (InputControl.BackColor == InputNormalColor)
{
InputControl.BackColor = InvalidInputColor;
}
if (InputControl.BorderColor == InputNormalBorderColor)
{
InputControl.BorderColor = InvalidInputBorderColor;
}
}
else
{
if (!InputControl.Attributes["class"].Equals(InvalidInputCSS))
{
InputControl.Attributes["class"] = InvalidInputCSS;
}
}
if (InvalidInputIndicator != null)
{
if (String.IsNullOrEmpty(ErrorMessage))
{
InvalidInputIndicator.TooltipLabel.Text = Text;
}
else
{
InvalidInputIndicator.TooltipLabel.Text = ErrorMessage;
}
InvalidInputIndicator.Show();
}
string errorMessage = "No error message provided. Stack Trace -\r\n" + Environment.StackTrace;
if (!String.IsNullOrEmpty(ErrorMessage))
{
errorMessage = ErrorMessage;
}
else if (!string.IsNullOrEmpty(Text))
{
errorMessage = Text;
}
Platform.Log(LogLevel.Warn, "Control {0} failed server side validation. Error Message: {1}",
ControlToValidate, errorMessage);
return(false);
}
return(true);
}
