From jira-events at lists.jboss.org Fri Dec 16 10:13:10 2011
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To: richfaces-issues at lists.jboss.org
Subject: [richfaces-issues] [JBoss JIRA] (RF-11822) Load components onload (on
 page ready)
Date: Fri, 16 Dec 2011 10:13:09 -0500
Message-ID: <647353633.17528.1324048389695.JavaMail.tomcat@jira02.app.mwc.hst.phx2.redhat.com>

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Load components onload (on page ready)
--------------------------------------

                 Key: RF-11822
                 URL: https://issues.jboss.org/browse/RF-11822
             Project: RichFaces
          Issue Type: Feature Request
      Security Level: Public (Everyone can see)
          Components: cdk, core
    Affects Versions: 4.1.0.Final
            Reporter: Luk=C3=A1=C5=A1 Fry=C4=8D


According to Yahoo performance recommendations ([1], see "Post-load Compone=
nts"),

visual components should be loaded on page load ({{onload}} event)
to avoid heavy JavaScript processing before page is completely visually bui=
lt.

In RichFaces, it is simple task using {{JavaScriptService}}, which enables =
you to collect and inject JavaScript snippets which should be loaded using =
jQuery {{$(document).ready(...)}}.

Thanks to CDK templates, it's also simple change in renderers, just move co=
mponent contructor to newly created CDK tag {{<cdk:onloadScript>}}, which w=
ould delegate to {{JavaScriptService}} (if {{JavaScriptService}} not found,=
 processing may fall back to rendering {{<script>window.addEventHandler('lo=
ad', ...)</script>}}, but this is optional part.

[1] http://developer.yahoo.com/performance/rules.html

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