Setting a character limit on a text field (single line)

What mechanism can I use to set a maximum number of characters on a single line text field?

4 answers

OK, so after a lot of experimenting with JavaScript, I decided to embed the following into the Description field:

<script type="text/javascript">
function validate()
    {   
        if(document.getElementById("customfield_19600").value.length >33)
        {
            alert( "Invalid length, must be no more than 33 characters" );
            return false;
        }   
    }
document.getElementById("edit-issue-submit").addEventListener("click", validate);
</script>

Unfortunately, it never works. I can get the JS to work on test forms OUTSIDE of JIRA. But there's something I'm missing to get it working in the ticket "Edit" screen. Anyone have any suggestions?

I think that simple JS validation in the Description field is really helpful for people unfamiliar with Groovy (Script Runner), but I'm surprised how little I'm finding on it.

 

Hi Andy,

many thanks for sharing your script here! It actually helped me a lot.

Your script is working in my customers JIRA (still on version 6.2.5): If the field contains more than 33 char and I click the "update" button on the edit screen, the error message pop-up is shown.

I adapted the call of the EventListener for our purpose: Now the listener is listening for events on the field itself instead of the "update" button and throws the error immediately if the field contains more than 33 char (keypress event instead of click event).

Just changed the line:

document.getElementById("edit-issue-submit").addEventListener("click", validate);

to:

document.getElementById("customfield_19600").addEventListener("keypress", validate);

Regards, Sabrina

0 vote

Hack in some javascript, or change the template from 254 down (that will affect all short-text fields unless you start putting "if"s into the code).  Or, I think Behaviours in the Script runner can do it.

I guess it will have to be JavaScript; I don't have access to the templates, and don't want to do it for every field, anyway. I'll have a look at the ScriptRunner. Thanks!

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