Passing extra parameter to f:ajax onevent function

Question

In my JSF 2.0 (on JBoss AS 7) project, I would like on my ajax submitted forms to display a little icon status triggered on begin and compl

Answer 1

Wrap it in an anonymous function wherein you pass it as extra argument.

<h:commandLink value="do something boy!">
    <f:ajax render="@form" execute="@form" listener="#{myBean.doStuff}"
        onevent="function(data) { showProgress(data, 'extraValue') }" />
</h:commandLink>

with

function showProgress(data, extraParam) {
    // Use "data" argument the usual way.
    // The "extraParam" argument will contain "extraValue" in above example.
}