serendipity_event_trackexits.php

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<?php # $Id: serendipity_event_trackexits.php,v 1.3.4.1 2004/04/13 10:01:14 garvinhicking Exp $

/******************************************************
*汉化作者:youngong(http://youngong.blogbus.com)       *
*官方主页：http://www.s9y.corg                        *
*我的信箱：[e-mail]                           *
*如果有问题,欢迎和作者及汉化作者联系。                *
*******************************************************/

switch ($serendipity['lang']) {
    case 'de':
        @define('PLUGIN_EVENT_TRACKBACK_NAME', 'Textformatierung: Externe Links z鋒len');
        @define('PLUGIN_EVENT_TRACKBACK_DESC', 'Click auf Externe Links verfolgen');
        break;

    case 'cn':
        @define('PLUGIN_EVENT_TRACKBACK_NAME', '标记: Track exits');
        @define('PLUGIN_EVENT_TRACKBACK_DESC', '引用的外部链接');
        break;

    case 'en':
    default:
        @define('PLUGIN_EVENT_TRACKBACK_NAME', 'Markup: Track exits');
        @define('PLUGIN_EVENT_TRACKBACK_DESC', 'Track clicks on external URLs');
        break;
}

class serendipity_event_trackexits extends serendipity_event
{

    function introspect(&$propbag)
    {
        global $serendipity;

        $propbag->add('name',          PLUGIN_EVENT_TRACKBACK_NAME);
        $propbag->add('description',   PLUGIN_EVENT_TRACKBACK_DESC);
        $propbag->add('event_hooks',   array('frontend_display' => true));

        $this->markup_elements = array(
            array(
              'name'     => ENTRY_BODY,
              'element'  => 'body',
            ),
            array(
              'name'     => EXTENDED_BODY,
              'element'  => 'extended',
            ),
            array(
              'name'     => COMMENT,
              'element'  => 'comment',
            ),
            array(
              'name'     => HTML_NUGGET,
              'element'  => 'html_nugget',
            )
        );

        $conf_array = array();
        foreach($this->markup_elements as $element) {
            $conf_array[] = $element['name'];
        }
        $propbag->add('configuration', $conf_array);
    }


    function generate_content(&$title) {
        $title = PLUGIN_EVENT_TRACKBACK_NAME;
    }

    function introspect_config_item($name, &$propbag)
    {
        $propbag->add('type',        'boolean');
        $propbag->add('name',        $name);
        $propbag->add('description', sprintf(APPLY_MARKUP_TO, $name));
        return true;
    }

    function event_hook($event, &$bag, &$eventData) {
        global $serendipity;

        $hooks = &$bag->get('event_hooks');

        if (isset($hooks[$event])) {
            switch($event) {
                case 'frontend_display':

                    foreach ($this->markup_elements as $temp) {
                        if (serendipity_db_bool($this->get_config($temp['name'], true)) && isset($eventData[$temp['element']])) {
                            $element = $temp['element'];

                            $serendipity['encodeExitsCallback_entry_id'] = (isset($eventData['entry_id']) ? $eventData['entry_id'] : $eventData['id']);
                            $eventData[$element] = preg_replace_callback(
                                "#<a(.*)href=(\"|')http://([^\"']+)(\"|')#isUm",
                                array($this, '_encodeExitsCallback'),
                                $eventData[$element]
                            );
                        }
                    }

                    return true;
                    break;

                default:
                    return false;
            }

        } else {
            return false;
        }
    }


    /**
    * Transforms '<a href="http://url/">' into
    * '<a href="exit.php?url=encurl" ...>'.
    */
    function _encodeExitsCallback($buffer) {
        global $serendipity;

        $entry_id = $serendipity['encodeExitsCallback_entry_id'];
        $url      = 'http://' . $buffer[3];

        return sprintf(
            '<a%shref="%sexit.php?url=%s%s" title="%s" onmouseover="window.status=\'%s\';return true;" onmouseout="window.status=\'\';return true;"',
            $buffer[1],
            $serendipity['baseURL'],
            base64_encode($url),
            ($entry_id != 0) ? '&amp;entry_id=' . $entry_id : '',
            $url,
            $url
        );
    }
}

/* vim: set sts=4 ts=4 expandtab : */
?>