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how to calculate field if checkbox is selected?

Forum Index > JavaScript > how to calculate field if checkbox is selected?
2007-06-11 14:02:42
jazminecat
Registered: Jun 11 2007
Posts: 2

Hi - I'm totally green on writing scripts in adobe, but I've been looking and haven't found a way to do this yet.

I have a form where my end users check boxes to indicate if they had a reimbursable meal for that mealtime. So there's breakfast, lunch, and dinner checkboxes for 5 different days.

I need to set up a calculation that will only return a value if the box is checked.

For example, if the checkbox for BreakfastDay1 is checked, I need my Breakfast1Total field to return the value of 25% times the value in the field GSA Rate ( GSARate x .25).

If BreakfastDay1 is not checked, the value remains at 0 or empty. Note that GSA rate is a field the user fills in - it is not a static value.

I have no clue how to do if...then statements in Adobe or javascript, but if someone could throw me in the right direction, I might be able to muddle through.

Thanks in advance.

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2008-04-15 06:48:24
#1
lkassuba
ExpertTeam
Registered: Jun 28 2007
Posts: 3636
Thom Parker has a Javascript tutorial on calculations that you might find useful for this at:
http://www.acrobatusers.com/tech_corners/javascript_corner/tips/2006/form_calculations/

Lori Kassuba is an AUC Expert and Community Manager for AcrobatUsers.com.

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2009-05-28 04:53:47
#2
acpouser
Registered: May 28 2009
Posts: 2
I am having almost the exact same issue, however the link to the javascript tutorial is dead. Is the tutorial located somewhere else now? Thank You
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2009-05-28 07:25:22
#3
nixopax
Registered: Feb 6 2009
Posts: 105
Ah yes, the site has been redesigned recently. Here's the up to date tutorial: http://www.acrobatusers.com/tutorials/2006/form_calculations
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2009-06-04 14:17:06
#4
acpouser
Registered: May 28 2009
Posts: 2
Great, got the form, but it seems to deal with acroforms more than Designer. Ultimately I created a hidden field that stored the data I needed to mulitply based on a true value in a checkbox. However I have found that if a user makes a mistake and un-checks the box, the calculation's output remains. Anyone know of a way to code it so that the value resets to $0.00? Here is what I have (Javascript) in the change of my checkbox:

if ( CheckBox1.rawValue == true )
{
BRATE1.rawValue = "6";
}

then I have a decimal field that contains the following (FormCalc) in the calculate field:

BRATE1 * TOTAL_EMPL

Any Thoughts? Thank You in advance this has been puzzling me for a couple of days now.
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