JavaScript Help

Community Beginner ,
Jul 22, 2019 Jul 22, 2019

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Hi there, Could someone help me correctly write a javascript. What i want to do is get the layers to switch between themselves when another layer is toggled on. So when toggling through the layers they don't all stay on but rather switch between them.

This is the script I have so far,

var docOCGs = this.getOCGs();

for (var x=0; x < docOCGs.length; x++)

{

          if(docOCGs.name == "Layer 1" ||

     docOCGs.name == "Layer 1")

          {

                    docOCGs.state = !docOCGs.state;

          }

}

Thank you.

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Acrobat SDK and JavaScript

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Adobe Community Professional ,
Jul 22, 2019 Jul 22, 2019

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Hi,

I have not been able to test this, but could you not do something like.

var docOCGs = this.getOCGs();

for (var x=0; x < docOCGs.length; x++)

{

     // make then all hidden

     docOCGs.state =false;

     if (docOCGs.name == "LayerNameWeAreLookingFor") {

          docOCGs.state = true;

     }

}

Hope this helps

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Most Valuable Participant ,
Jul 22, 2019 Jul 22, 2019

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This should work, but you can improve and simplify the code a bit by replacing these lines:

     docOCGs.state =false;

     if (docOCGs.name == "LayerNameWeAreLookingFor") {

          docOCGs.state = true;

     }

With just:

docOCGs.state = (docOCGs.name == "LayerNameWeAreLookingFor");

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Community Beginner ,
Jul 22, 2019 Jul 22, 2019

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Thank you but this code makes everything disappear including my template layer. It also doesn't toggle the layer off when i click on the next box. Am i doing something wrong?

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Most Valuable Participant ,
Jul 22, 2019 Jul 22, 2019

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Did you adjust the name of the layer you want to show inside the quotes?

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Community Beginner ,
Jul 22, 2019 Jul 22, 2019

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Yeah i changed it to the layer i want to be toggled on and off when selecting the next layer box

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Most Valuable Participant ,
Jul 22, 2019 Jul 22, 2019

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Do you want to toggle ​all​ other layers, or just some?

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Community Beginner ,
Jul 22, 2019 Jul 22, 2019

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Just some please

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Most Valuable Participant ,
Jul 22, 2019 Jul 22, 2019

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That requires a more complex script. You'll need to define a list of layers to show/hide, or of ones to ignore, and use that for in the loop.

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Community Beginner ,
Jul 24, 2019 Jul 24, 2019

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I have no experience with Javascripts as I'm sure you can tell. Could you please help me with that?

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Adobe Community Professional ,
Jul 24, 2019 Jul 24, 2019

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I hope this does not come as a surprise to you, but you cannot program in JavaScript without knowing about the language. The good news is that it's not too complex to learn the basics, where it then gets more complex is to learn about the application specific functions (like e.g. layers in Acrobat). You also cannot copy and paste your way to a working solution, so do yourself a favor and start to learn JavaScript. You can find out how to do that here: Learning to Program JavaScript for Adobe Acrobat - KHKonsulting LLC

If this is the only JavaScript project you think you'll be working on for a long time, it may be easier and cheaper to just pay somebody to do this job for you. 

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Community Beginner ,
Jul 24, 2019 Jul 24, 2019

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I am starting to learn Javascript with some online courses and videos as i will be using javascript more frequently in the future as this is my first project of many to come. Thank you for the link its much appreciated!

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