Parameter definition with cascading selection

[Andrew Sumner]

A parameter that I am developing for my plugin requires two select fields, the second one being populated using the value selected from the dropdown list of the first field. My problem is that I don't know how to repopulate the list for the second field.

I've got as far as detecting the change in the first field but I don't know how to force a refresh of the second field;

ParameterDefinition - index.jelly

<?jelly escape-by-default='true'?>
<j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define"
   xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form"
   xmlns:i="jelly:fmt" xmlns:p="/lib/hudson/project">


   <j:set var="escapeEntryTitleAndDescription" value="false"/>
   <f:entry title="${h.escape(it.name)}" description="${it.formattedDescription}">
   <div name="parameter">
      <input type="hidden" name="name" value="${it.name}" />


      <select name="applicationId" onchange="alert('what do I do here?');">
         <j:forEach var="item" items="${it.applications}">
            <option value="${item.value}">${item.name}</option>
         </j:forEach>
      </select>


      <select name="releaseNumber">
         <j:forEach var="item" items="${it.releases}">
            <option value="${item.value}">${item.name}</option>
         </j:forEach>
      </select>
   </div>
   </f:entry>
</j:jelly>

I'm also wondering if this is the best approach. I could potentially split this out into two seperate fields, however I then need to replicate the behaviour of the active choices plugin and that sounds a bit daunting...

Any suggestions?

[Andrew Sumner]

I've tried using <st:adjunct include="org.kohsuke.stapler.jquery"/> to add jQuery support and trialled it out using jQuery('div[name="parameter"]') but getting error jQuery is not a function.

1. How should I add jquery?
2. How to I use it do call back to parameter definition class get updated list for second dropdown?

[Gavin Mogan]

I can't help with the adjunct (Did you add it as a dependency?)

But you can do the selector pretty easily in your browser and not need jquery

https://caniuse.com/#search=querySelector

document.querySelector('div[name="parameter"]').value should work in almost all browsers that are not ie9

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