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Mantis_nyc
Mantis_nyc
New Participant
October 12, 2016
Answered

How can I retain Layer visibility once a document is closed

  • October 12, 2016
  • 1 reply
  • 1246 views

I have a PDF document with multiple layers. Depending on the stage of the project certain layers need to be turned on or off. For example, once I move from the development stage to the production stage, development will be unchecked and production will be checked for as long as the document remains in that stage. Layer visibility is controlled with this script:

if (event.target.value=="Off")

    this.getOCGs()[1].state = false;

else this.getOCGs()[1].state = true;

It works great, but when the document is closed and reopened all layers are reset to their default state: Off. I've tried a ton of variables (including View State, InitState, etc) but can't get the initial visibility to remain on when the file is opened. Any thoughts on how to accomplish this?

This topic has been closed for replies.
Correct answer try67

Also, there's no such method as setOCGstate...

The correct syntax is:

this.getOCGs()[1].initState = false;

1 reply

try67
try67
Community Expert
October 12, 2016

You need to set the OCG's initState property, but that can only be done in Acrobat.

Alternatively, you can use a script that saves the current layers visibility to a hidden text field, for example, and then sets their visibility from the data in that field when the file is opened.

    Mantis_nyc
    Mantis_nycAuthor
    New Participant
    October 12, 2016

    Thank you Try67. I attempted to set the init state using the following script for the same checkbox that controls visibility.

    if (event.target.value=="Off")

        this.setOCGstate()[1].initstate = false;

    else this.setOCGstate()[1].initstate = true;

    This isn't working exactly as I want. It isn't consistently retaining the layer visibility each time the document is reopened. It also isn't resetting it once that field is unchecked. What am I doing wrong?

    I am interested in you idea about saving the visibility in another field. Any example of how to do that? I wouldn't have ever thought of that, so thanks so much.

    Mantis_nyc
    Mantis_nycAuthor
    New Participant
    October 12, 2016

    Also, there's no such method as setOCGstate...

    The correct syntax is:

    this.getOCGs()[1].initState = false;


    That worked! Thanks so much for the help try67.

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