Running JavaScript code after an f:ajax response in JSF

Within my JSF 2 web application, I have implemented the following code snippet to manage and update the contents of a rich:dataTable based on the selectedStatus:

<h:selectOneRadio id="statusSelection" value="#{backingBean.selectedStatus}" style="width:auto; float:left;">
    <f:selectItem itemValue="AVAILABLE" itemLabel="Available" />
    <f:selectItem itemValue="INACTIVE" itemLabel="Inactive" />
    <f:ajax render="itemsDataTable" execute="#{backingBean.sortByTitel('ascending')}" />
    <f:ajax render="itemsDataTable" event="click" />
</h:selectOneRadio>

Within this dataTable, a4j:commandLink elements are utilized. However, it has been observed that in certain versions of Internet Explorer, these links require a double click after changing table content. To address this issue, running the following JavaScript code (within IE's debugging console post content alteration) resolves the problem:

document.getElementById(<dataTableClientId>).focus()

Hence, my inquiry is as follows: What approach can I take to automatically trigger the execution of the aforementioned JavaScript code after the table contents have been updated?

javascriptajaxjsf

Answer №1

To run JavaScript code after the completion of <f:ajax>, you can use the following inline solution:

<f:ajax
    render="itemsDataTable" 
    onevent="function(data) { if (data.status === 'success') { 
        // Add your JS code here.
        document.getElementById('dataTableClientId').focus();
    }}" />

Alternatively, you can opt for an external function solution by specifying only the function name without parentheses in the onevent attribute:

<f:ajax
    render="itemsDataTable" 
    onevent="scriptFunctionName" />

function scriptFunctionName(data) {
    if (data.status === 'success') { 
        // Add your JS code here.
        document.getElementById('dataTableClientId').focus();
    }
}

Make sure to review this answer as well: JSF and Jquery AJAX - How can I make them work together?

Additionally, double-check if you truly need the event="click" in your f:ajax. The default event in <h:selectOneRadio> is change which might be more suitable... Refer to What values can I pass to the event attribute of the f:ajax tag?

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