A small MODX plugin to avoid refreshing - by default - the entire site cache when editing a resource

syncpage.php

<?php
/*
 * A small MODX plugin to avoid refreshing - by default - the entire site cache when editing a cached resource - (c) 2012 ackwa.fr 
 *
 * @version : 1.0.0
 * @see     : https://gist.github.com/gists/3639503
 * @name    : syncpage.php
 * @author  : g.noel@ackwa.fr
 *
 * @event   : OnDocFormSave, OnDocFormPrerender
 *
 * @history : 27/06/12 - 1.0.0 - Initial revision
 *
 * @info    : Similar and/or more efficients codes :
 *
 *                - http://bobsguides.com/cachemaster-tutorial.html
 *                - https://gist.github.com/jpdevries/5732257
 */
switch($modx->event->name) {
    /*
     * Disable "syncsite" checkbox
     */
    case 'OnDocFormPrerender':
        $modx->regClientStartupHTMLBlock('
            <script type="text/javascript">
                Ext.onReady(function() {
                    var oCBSync = Ext.getCmp("modx-resource-syncsite");
                    oCBSync.setValue(0);
                });
            </script>');
        break;

    /*
     * (Re)Generate the current Resource cache
     */
    case 'OnDocFormSave':
        if (($oResource = $modx->getObject('modResource', $resource->get('id')))) {
            $oResource->_contextKey = 'web';
            $oResource->setProcessed(true);
            $modx->cacheManager->generateResource($oResource);
        }
        break;
}