kendoValidator how to add on to existing rule functionality - kendo-validator

Question

I'm looking to add on to the kendoValidator required rule. I want it to function the same way but with one exception. Unfortunately once I provide a function for it in the rules section I have to code all the logic for the required function again.
wondering if there is a way to piggyback off the existing functionality of "required" rule. Currently the code below has everything marked required that isn't disabled, even if it has a value in it.
function runValidation() {
$(".dateTimePickerField").each(function () {
var validator = $(this).kendoValidator({
rules: {
required: function (e) {
if ($(e).is(':disabled'))
{
return true;
}
},
dateValidation: function (e) {
var dateTime = $(e).val();
var currentDate = Date.parse($(e).val());
if (dateTime.length > 0 && !currentDate) {
return false;
}
return true;
}
},
messages: {
//Define your custom validation massages
required: "datetime required",
dateValidation: "Invalid datetime"
}
}).data("kendoValidator");
validator.validate();
});
}

Answer 1

I just ended up coding the necessary logic for the required rule. It wasn't too difficult of a rule to code so i just did that.
function runValidation() {
var boolval = true;
$("input.dateTimePickerField").each(function () {
var validator = $(this).kendoValidator({
rules: {
required: function (e) {
if ($(e).prop('required')) {
if ($(e).is(':disabled') || $(e).val().length > 0) {
return true;
}
return false;
}
return true;
},
dateValidation: function (e) {
var dateTime = $(e).val();
var currentDate = Date.parse($(e).val());
if (dateTime.length > 0 && !currentDate) {
return false;
}
return true;
},
customEventDateValidation: function (e) {
var dateTime = $(e).val();
var currentDate = Date.parse($(e).val());
var row = $(e).closest('tr');
var startDateText = row.find(".startDate").text();
var eventStartDate = Date.parse(startDateText);
if (currentDate && eventStartDate)
{
if(currentDate > eventStartDate)
{
return false;
}
}
return true;
},
customTicketStartDateValidation: function (e) {
if ($(e).hasClass("ticketStartDate"))
{
var dateTime = $(e).val();
var currentDate = Date.parse($(e).val());
var row = $(e).closest('tr');
var ticketEndDateText = row.find("input.ticketEndDate").val();
var ticketEndDate = Date.parse(ticketEndDateText);
if(currentDate && ticketEndDate)
{
if(currentDate > ticketEndDate)
{
return false;
}
}
}
return true;
},
customTicketEndDateValidation: function (e) {
if ($(e).hasClass("ticketEndDate")) {
var dateTime = $(e).val();
var currentDate = Date.parse($(e).val());
var row = $(e).closest('tr');
var ticketStartDateText = row.find("input.ticketStartDate").val();
var ticketStartDate = Date.parse(ticketStartDateText);
if (currentDate && ticketStartDate) {
if (currentDate < ticketStartDate) {
return false;
}
}
}
return true;
}
},
messages: {
required: "Datetime required",
dateValidation: "Invalid datetime",
customEventDateValidation: "Datetime must be before event date",
customTicketStartDateValidation: "Ticket start datetime must be before ticket end datetime",
customTicketEndDateValidation: "Ticket end datetime must be after ticket start datetime"
}
}).data("kendoValidator");
if (!validator.validate()) {
boolval = false;
}
});
return boolval;
}