<?php

// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:

/**

 * Interwiki rule end renderer for Xhtml

 *

 * PHP versions 4 and 5

 *

 * @category   Text

 * @package    Text_Wiki

 * @author     Paul M. Jones <pmjones@php.net>

 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1

 * @version    CVS: $Id: Interwiki.php,v 1.14 2006/02/25 05:03:13 toggg Exp $

 * @link       http://pear.php.net/package/Text_Wiki

 */

/**

 * This class renders inter wikis links in XHTML.

 *

 * @category   Text

 * @package    Text_Wiki

 * @author     Paul M. Jones <pmjones@php.net>

 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1

 * @version    Release: @package_version@

 * @link       http://pear.php.net/package/Text_Wiki

 */

class Text_Wiki_Render_Xhtml_Interwiki extends Text_Wiki_Render {

    var $conf = array(

        'sites' => array(

            'MeatBall' => 'http://www.usemod.com/cgi-bin/mb.pl?%s',

            'Advogato' => 'http://advogato.org/%s',

            'Wiki'       => 'http://c2.com/cgi/wiki?%s'

        ),

        'target' => '_blank',

        'css' => null

    );

    /**

    *

    * Renders a token into text matching the requested format.

    *

    * @access public

    *

    * @param array $options The "options" portion of the token (second

    * element).

    *

    * @return string The text rendered from the token options.

    *

    */

    function token($options)

    {

        $text = $options['text'];

        if (isset($options['url'])) {

            // calculated by the parser (e.g. Mediawiki)

            $href = $options['url'];

        } else {

            $site = $options['site'];

            // toggg 2006/02/05 page name must be url encoded (e.g. may contain spaces)

            $page = $this->urlEncode($options['page']);

            if (isset($this->conf['sites'][$site])) {

                $href = $this->conf['sites'][$site];

            } else {

                return $text;

            }

            // old form where page is at end,

            // or new form with %s placeholder for sprintf()?

            if (strpos($href, '%s') === false) {

                // use the old form

                $href = $href . $page;

            } else {

                // use the new form

                $href = sprintf($href, $page);

            }

        }

        // allow for alternative targets

        $target = $this->getConf('target');

        // build base link

        $css = $this->formatConf(' class="%s"', 'css');

        $text = $this->textEncode($text);

        $output = "<a$css href=\"$href\"";

        // are we targeting a specific window?

        if ($target) {

            // this is XHTML compliant, suggested by Aaron Kalin.

            // code tip is actually from youngpup.net, and it

            // uses the $target as the new window name.

            $target = $this->textEncode($target);

            $output .= " onclick=\"window.open(this.href, '$target');";

            $output .= " return false;\"";

        }

        $output .= ">$text</a>";

        return $output;

    }

}

?>