Serendipity Forums

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 $this->dependencies = array('serendipity_event_jquery' => 'remove');

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 case 'backend_plugins_new_instance':
    // Fetch minimum sort_order value. This will be the new value of our current plugin.
    $q  = "SELECT MIN(sort_order) as sort_order_min FROM {$serendipity['dbPrefix']}plugins WHERE placement = '" . $addData['default_placement'] . "'";
    $rs  = serendipity_db_query($q, true, 'num');

    // Fetch current sort_order of current plugin.
    $q   = "SELECT sort_order FROM {$serendipity['dbPrefix']}plugins WHERE name = '" . $this->instance . "'";
    $cur = serendipity_db_query($q, true, 'num');

    // Increase sort_order of all plugins before current plugin by one.
    $q = "UPDATE {$serendipity['dbPrefix']}plugins SET sort_order = sort_order + 1 WHERE placement = '" . $addData['default_placement'] . "' AND sort_order < " . intval($cur[0]);
    serendipity_db_query($q);

    // Set current plugin as first plugin in queue.
    $q = "UPDATE {$serendipity['dbPrefix']}plugins SET sort_order = " . intval($rs[0]) . " WHERE name = '" . $this->instance . "'";
    serendipity_db_query($q);
    return true;
break;

Code: Select all

<?php # $Id: serendipity_event_jquery.php,v 1.3.1 2009/2/01 09:00:44 maltepaskuda Exp $

if (IN_serendipity !== true) {
    die ("Don't hack!");
}

// Probe for a language include with constants. Still include defines later on, if some constants were missing
$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
if (file_exists($probelang)) {
    include $probelang;
}

include dirname(__FILE__) . '/lang_en.inc.php';

class serendipity_event_jquery extends serendipity_event {
    var $title = EVENT_JQUERY_TITLE;
    
    function introspect(&$propbag)
    {
        global $serendipity;
        
        $propbag->add('name',          EVENT_JQUERY_TITLE);
        $propbag->add('description',   EVENT_JQUERY_DESC);
        $propbag->add('stackable',     false);
        $propbag->add('author', 'Malte Paskuda');
        $propbag->add('requirements',  array(
            'serendipity' => '0.7',
        ));
        $propbag->add('version', '1.3.1');
        $propbag->add('event_hooks', array('frontend_header' => true,
                                           'external_plugin'  => true,
                                           'backend_plugins_new_instance'  => true
                                           ));
        $propbag->add('groups', array('BACKEND_FEATURES'));

        
    }

    function generate_content(&$title) {
        $title = $this->title;
    }

    function event_hook($event, &$bag, &$eventData, $addData = null) {
        global $serendipity;
        $hooks = &$bag->get('event_hooks');

        if (isset($hooks[$event])) {
            switch($event) {
                case 'external_plugin':
                    switch($eventData) {
                        case 'jquery.js':
                            header('Content-Type: text/javascript');
                            echo file_get_contents(dirname(__FILE__). '/jquery.js');
                            break;
                        }
                    return true;
                    break;
                
                case 'frontend_header':
                    echo '<script type="text/javascript" src="' . $serendipity['baseURL'] . 'index.php?/plugin/jquery.js"></script>'. "\n";
                    return true;
                    break;

                    
                case 'backend_plugins_new_instance':
                    // This hook will always push the jquery plugin as first in queue.
                    // Happens always when a new plugin is added.

                    // Fetch minimum sort_order value. This will be the new value of our current plugin.
                    $q  = "SELECT MIN(sort_order) as sort_order_min FROM {$serendipity['dbPrefix']}plugins WHERE placement = '" . $addData['default_placement'] . "'";
                    $rs  = serendipity_db_query($q, true, 'num');

                    // Fetch current sort_order of current plugin.
                    $q   = "SELECT sort_order FROM {$serendipity['dbPrefix']}plugins WHERE name = '" . $this->instance . "'";
                    $cur = serendipity_db_query($q, true, 'num');

                    // Increase sort_order of all plugins before current plugin by one.
                    $q = "UPDATE {$serendipity['dbPrefix']}plugins SET sort_order = sort_order + 1 WHERE placement = '" . $addData['default_placement'] . "' AND sort_order < " . intval($cur[0]);
                    serendipity_db_query($q);

                    // Set current plugin as first plugin in queue.
                    $q = "UPDATE {$serendipity['dbPrefix']}plugins SET sort_order = " . intval($rs[0]) . " WHERE name = '" . $this->instance . "'";
                    serendipity_db_query($q);
                    return true;
                    break;

                default:
                    return false;
                    break;
            }
        } else {
            return false;
        }
    }
}
?>