Absent Member.
Absent Member.

Dependent Dates

I need help setting dates to automatically fill in once I fill in "required" dates that I've created.

I have several dates dependent on several other dates/events.

For example, let's say my main event happens on 1/10/2014. Now, say I have events that now should fill in with automatic dates from that original date. Let's say one event is that main event date - 10 days and the second event is +10 after the main event date. So, they automatically should fill in to being 12/31/2013 and the other should go to 1/21/2014.

More complex, is that those date calculations can change based on the TYPE of main event. So, for example, I'll have two choices for main event: Hot and Cold

Well, on Hot, I need the prior dates to be + or - 10 and with Cold, I need the dates to be + or - 23 or something.

How can I get that all to work??
2 Replies
Absent Member.
Absent Member.

You'll need to use a custom form if you want this to happen dynamically (as user is entering Main Event Date).

Add an Action:

When Main Event Date field changes value Then execute {some JavaScript}.

The Javascript to execute might look like this. I only did the "Before" field but you'll probably get the picture. Watch out for GetSatisfaction wrapping lines at exactly the wrong place 😞

// POC for:

// http://communities.serena.com/serena/topics/dependent_dates

// Current value of the Main Event field.

var dat_MainEventDate = GetFieldValue('Main Event Date') ;

if (dat_MainEventDate) {

// # of days to add to Main Event date

// depend on the Main Event type.

// Use a data-driven approach instead

// of a bunch of if/then/else stuff.

var obj_EvtOffset = {

'hot': {Before:-10 , After:+10} ,

'cold': {Before:-23, After:+23} ,

'default': {Before:0, After:0}

} ;

// The determining factor. If field is empty

// 'default' is returned, so use the 'default'

// entry from the lookup table.

var str_MainEventType =

GetFieldValue('TITLE','default').toLowerCase() ;

var dat_Before ;

// msec per day = 60 * 60 * 24 * 1000 = 86400000

// If Main Event Type is found in the lookup,

// do the math & set the field.

if (obj_EvtOffset[str_MainEventType]) {

// Repeat the next couple lines for "After" date.

dat_Before = new Date (dat_MainEventDate.valueOf() +

(obj_EvtOffset[str_MainEventType].Before * 86400000)) ;

SetFieldValue('Before Main Event' , dat_Before);


else {

// TODO: Warning for unexpected value in the

// determining factor field.



else {

// TODO: error handling :: Main Event Date returned null.


// The Action definition has the AddChangeCallback.

Absent Member.
Absent Member.


I will totally try this. I appreciate your time and response. Thank you for the advice. I sincerely appreciate it!
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