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in extendscript – Photoshop, dialog-box persistence?

in extendscript – Photoshop, I would like my dialog-box check boxes to default to previously used choices … anyone know if this is possible?

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3

Answers


  1. 0

    You have two choices.

    First choice: Using a //@targetengine

    Values can be made persistent over a session using a targetengine.

    First script

    //@targetengine myengine
var x = 100;

    Second script

    //@targetengine myengine
$.writeln(x);

    If you close Photoshop all of the values will be lost

    Second choice: Write to a file.

    I wont write an example here. This can be done in so many ways. Plain .txt file. .json file. See this example on how to read and write files.

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  2. 0

    fabianmoronzirfas has got the right answer.
    I will say it could with one script only. That script reads in the previous value stored in a text file in a hardcoded location like C:temp. If the script cannot file the settings file it’ll default to some predetermined value and then store this time around.

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  3. 0

    Just in case, here is the simple script that saves (and tries to load) your prefs in JSON format to the system temp folder:

    // set default values
var prefs = {
    file: File(Folder.temp.fsName + "/prefs.json"),
    title: "",
    length: 0
}

// try to load previous prefs
if (prefs.file.exists) prefs = $.evalFile(prefs.file);

// do something
prefs.title = prompt("Type the title:", prefs.title);
prefs.length = prefs.title.length;

// save the prefs to the file
prefs.file.open("w");
prefs.file.write(prefs.toSource());
prefs.file.close();
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