AJAX ActionLink

ActionLink has the same AJAX capabilities as EventLink.
Refresh whole page - this ActionLink is not AJAX-enabled
Refresh only serverTime2 - this ActionLink is AJAX-enabled

serverTime1: Wed Nov 22 04:09:43 EST 2017
serverTime2: Wed Nov 22 04:09:43 EST 2017
References: ActionLink, Ajax and Zones, Zone, Request, @Inject, @InjectComponent.

Home


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!-- We need a doctype to allow us to use special characters like &nbsp; 
     We use a "strict" DTD to make IE follow the alignment rules. -->
     
<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_4.xsd">
<body class="container">
    <h3>AJAX ActionLink</h3>

    <noscript class="js-required">
        ${message:javascript_required}
    </noscript>     

    ActionLink has the same AJAX capabilities as EventLink.

    <div class="eg">
        <t:actionlink t:id="refreshPage">Refresh whole page - this ActionLink is not AJAX-enabled</t:actionlink><br/>
        <t:actionlink t:id="refreshZone" zone="time2Zone">Refresh only serverTime2 - this ActionLink is AJAX-enabled</t:actionlink><br/><br/>

        serverTime1:  ${serverTime1}
        <t:zone t:id="time2Zone" id="time2Zone">
            serverTime2:  ${serverTime2}
        </t:zone>
    </div>

    References: 
    <a href="http://tapestry.apache.org/5.4/apidocs/org/apache/tapestry5/corelib/components/ActionLink.html">ActionLink</a>, 
    <a href="http://tapestry.apache.org/ajax-and-zones.html">Ajax and Zones</a>, 
    <a href="http://tapestry.apache.org/5.4/apidocs/org/apache/tapestry5/corelib/components/Zone.html">Zone</a>,
    <a href="http://tapestry.apache.org/5.4/apidocs/org/apache/tapestry5/services/Request.html">Request</a>, 
    <a href="http://tapestry.apache.org/5.4/apidocs/org/apache/tapestry5/ioc/annotations/Inject.html">@Inject</a>, 
    <a href="http://tapestry.apache.org/5.4/apidocs/org/apache/tapestry5/annotations/InjectComponent.html">@InjectComponent</a>.<br/><br/> 
    
    <t:pagelink page="Index">Home</t:pagelink><br/><br/>
    
    <t:tabgroup>
        <t:sourcecodetab src="/web/src/main/java/jumpstart/web/pages/examples/ajax/AjaxActionLink.tml"/>
        <t:sourcecodetab src="/web/src/main/java/jumpstart/web/pages/examples/ajax/AjaxActionLink.java"/>
        <t:sourcecodetab src="/web/src/main/resources/META-INF/assets/css/examples/js.css"/>
    </t:tabgroup>
</body>
</html>


package jumpstart.web.pages.examples.ajax;

import java.util.Date;

import org.apache.tapestry5.annotations.Import;
import org.apache.tapestry5.annotations.InjectComponent;
import org.apache.tapestry5.corelib.components.Zone;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.services.Request;
import org.apache.tapestry5.services.ajax.AjaxResponseRenderer;

// Some time soon, redirect it to the AjaxEventLink example.
@Deprecated
@Import(stylesheet = "css/examples/js.css")
public class AjaxActionLink {

    // Generally useful bits and pieces

    @Inject
    private Request request;

    @InjectComponent
    private Zone time2Zone;

    @Inject
    private AjaxResponseRenderer ajaxResponseRenderer;

    // The code

    void onActionFromRefreshPage() {
        // This method isn't needed, because there's nothing to do - when the page renders it will call getServerTime1()
        // and getServerTime2().
    }

    void onActionFromRefreshZone() {
        if (request.isXHR()) {
            ajaxResponseRenderer.addRender(time2Zone);
        }
    }

    public Date getServerTime1() {
        return new Date();
    }

    public Date getServerTime2() {
        return new Date();
    }
}


.eg {
                margin: 20px 0;
                padding: 14px;
                color: #888;
                border: 1px solid #ddd;
                border-radius: 6px;
                -webkit-border-radius: 6px;
                -mox-border-radius: 6px;
}

.js-required {
                color: red;
                display: block;
                margin-bottom: 14px;
}

.js-recommended {
                color: red;
                display: block;
                margin-bottom: 14px;
}