answer try catch until the name of the paragraph right

Hi, I have to apply a paragraph style to grep preferences before a cycle of research.

If user input is a paragraph name not existing is not in the document, the script returns an error.

First error rules stop right but second script. And, of course, I need to go forward on behalf of right paragraph.

Here's the javascript

app.findGrepPreferences = app.changeGrepPreferences = null;

var prompt = myPara ('a seizure paragraph style', ' ');

try {}

app.activeDocument.paragraphStyles.itemByName (myPara) .name;

Alert ("this is a paragraph style!");

}

{} catch (MonErreur)

var myPara = prompt ("is NOT a paragraph style! \rType existing style "," ").

}

app.findGrepPreferences.appliedParagraphStyle = myPara;

Alert ('Correct! \nStyle applied in grep preferences! ») ;

Any idea? ... maybe a while loop could solve (tryied without success)

Thank you

No real need by try/catch. This scenario is what concerns the property of .isValid . Example with while loop:

var doc = app.activeDocument,
    promptText = "Input a paragraph style name.",
    shouldPrompt = true,
    tempStyle, style, name;

while (!style && shouldPrompt) {
    name = prompt(promptText, '');
    if (name === null) {
        shouldPrompt = false; // or skip the shouldPrompt checks and just exit(), if you prefer
        continue;
    }
    tempStyle = doc.paragraphStyles.itemByName(name);
    if (tempStyle.isValid) {
        style = tempStyle;
    }
    else {
        promptText = "\"" + name + "\" is NOT a paragraph style!\rType existing style.";
    }
}

if (style) {
    // carry on with find/change
}

Note that this will only find styles to the root. If you have, or might have, groups of style paragraph in your document, you will need to loop through doc.allParagraphStyles instead.

If I did that, I think I just present the user with a drop-down list of all the style names, the document contains and let them choose. You can use ScriptUI or just InDesign API normal dialogue. See "User Interfaces" in the script Guide.

Good luck

Jeff

Edited; Jive is weird with tags.

Tags: InDesign

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