Need help writing an "if/then" script in a fillable pdf.

[hans_4580]

So, here's my problem. I have for different Variables var A, var B, var C and var D, with an output box. I am trying to have it where the user inputs a number in one var and it appears on the output box, so if the user inputs 2 in var A and only on var A then it will show up in the ouput box, and the same for the other variables. I've tried this script but was only able to make it work for var A and var B, var C and var D did not work. thanks for the help.

var A = this.getField("VR1").value

var B = this.getField("VR2").value

var C = this.getField("VR3").value

var D = this.getField("VR4").value

if (B==0) event.value= ((A));

if (A==0) event.value= ((B));

if (D==0) event.value= ((C));

if (C==0) event.value= ((D))

[try67]

Your description is not very clear, to me at least. What should happen if the user fills in more than one field? A & C? Or A & B? Or A & C & D? Or all four? etc.

[hans_4580]

so, I have four boxes that user has a choice to enter a value, but only one box is allow to have a value entered, and I need that value to be shown in the output box. e.i.

box A = 2

box B = 0

box C = 0

box D = 0

output box = 2

hope that helps. thank you.

[Thom Parker]

So, if all boxes are 0 except for box A, and the user enters a number into box C, then A should be set to zero? So all boxes except one contain a zero?  

[hans_4580]

No, the users know that only once box will have to have a value, each one of those 4 boxes are for a specific task, and they will only do one of those task per form. So, if they perform task A then only box A will have a value, and that value should carry ou to the output box. 

[Thom Parker]

Use Bernd's scrpt.  Since you know that users will only enter a value into one field, there is no need to do any checking.  Just add them all up. 

[hans_4580]

so, what does the Bernd's script look like for my scenario. Thanks.

[try67]

You can't trust that people won't fill in multiple values. You have to actively prevent them from doing so, either by resetting the other fields, or by disabling them when a value is entered into one of them.

If you do that then all you would need to do is aggregate the four values into a single string (replace "0.0" with a blank string), to get what you asked for.

[Bernd Alheit]

You can use:

event.value = A + B + C + D;

[hans_4580]

let me state that I am not a programer and your help is appreciated. I tried to use this script, but was only able to make the firs two lines work.

var A = this.getField("VR1").value

var B = this.getField("VR2").value

var C = this.getField("VR3").value

var D = this.getField("VR4").value

if (B==0) event.value= ((A));

if (A==0) event.value= ((B));

if (D==0) event.value= ((C));

if (C==0) event.value= ((D))

how and where would I use your suggestion? thanks

[Thom Parker · Accepted solution]

If all the fields are blank, except one,  then adding them together (i.e., aggregating them), will result in a value that matches the filled field. 

var A = this.getField("VR1").value;
var B = this.getField("VR2").value;
var C = this.getField("VR3").value;
var D = this.getField("VR4").value;
event.value = A + B + C + D;

However, if more then one field is filled, then you need a strategy to prioritize which one is selected for the output field. 

Or, if you want to prevent more than one from being filled, then you need a strategy to clear the other fields when a value is entered into one of them.

It's your choice. 

[hans_4580]

that worked like a charm, thank you for your help.

[Nesa Nurani]

If only one field will be filled you don't need script for that, you can use built in calculation, under 'Calculate' tab select 'Value is the', leave as sum(+) and click on 'Pick' to select your fields.

[JR Boulay]

[MOVED TO THE ACROBAT DISCUSSIONS]