Button onclick change value of <h1> on Jelly Action

[Nozim Islamov]

Greetings everyone,

I want to create a button where whenever it clicks it takes the value of dropdown that I have and set it as <h1> on the same page, can anyone help with this one?

Action class code:

package io.jenkins.plugins.sample;

import hudson.model.Run;
import hudson.util.ListBoxModel;
import jenkins.model.RunAction2;
import org.kohsuke.stapler.DataBoundConstructor;
import org.kohsuke.stapler.DataBoundSetter;

public class PipelinePromotionAction implements RunAction2 {

private transient Run r;
private String status;

@DataBoundConstructor
public PipelinePromotionAction(String status) {
this.status = status;
}

public String getStatus() {
return status;
}

@DataBoundSetter
public void setStatus(String status) {
this.status = status;
}

@Override
public void onAttached(Run<?, ?> r) {
this.r = r;
}

@Override
public void onLoad(Run<?, ?> r) {
this.r = r;
}

public Run getR() {
return r;
}

@Override
public String getIconFileName() {
return "star.png";
}

@Override
public String getDisplayName() {
return "Manual Promotion";
}

@Override
public String getUrlName() {
return "promotion";
}
}

And here is the jelly code:

<?jelly escape-by-default='true'?>
<j:jelly xmlns:j="jelly:core" xmlns:l="/lib/layout" xmlns:st="jelly:stapler" xmlns:f="/lib/form">
<l:layout title="Promotions tab">
<l:side-panel>
<st:include page="sidepanel.jelly" it="${it.r}" optional="true" />
</l:side-panel>
<l:main-panel>
<h1 id="header_status">
Status: ${it.status}
</h1>
<div>
<f:entry title="Choose promotion status" field="status">
<select name="status">
<option value="promoted">Promoted</option>
<option value="not_promoted">Not promoted</option>
</select>
</f:entry>
<button>Click me</button>
</div>
</l:main-panel>
</l:layout>
</j:jelly>

[Gavin Mogan]

Can't you make the dropdown and button (though switch it to an input type=button) and wrap them both in a form. Then you don't need to do any onclick and JavaScript stuff.

Otherwise you want document.queryElement("some selector that targets your button").addEventListener("click"...)

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[Nozim Islamov]

Also a quick question, is there any possibility to call Java method, on that click listener? And how it would be possible to do?