pr2/translate/STransHTMLMedia.php5

<?php

class STransHTMLMedia extends STransHTML {
    private function replaceMediaTag($tag) {
        $doc = new DOMDocument();
        $doc->loadXML($tag[0]);
        if(!is_object($doc->documentElement))
            return "ERROR";

        $tagName = $tag[1];

        $snapid = trim($doc->documentElement->getAttribute("snapid"));
        // Build an array of attrs to pass to SNAP2
        $attrs = array();
        // Which type of image are we going to display?
        if($doc->documentElement->hasAttribute("which"))
            $attrs['which'] = $doc->documentElement->getAttribute("which");
        else
            $attrs['which'] = "original";
        // Relay class information
        if($doc->documentElement->hasAttribute('class'))
            $attrs['class'] = $doc->documentElement->getAttribute('class');
        if(strpos($snapid, "/") !== false)
            $res = SnapResource::lookup($snapid);
        else {
            $res = SnapResource::retrieve($snapid);
        }
        if($res != null) {
            $version = $res->getActiveVersion();

            if($version == null) {
                $html = false;
                $msg = "No content (no active version for resource '$snapid')";
            }
            else {
                $html = $version->getContentModule()->getHTML($attrs);
                if($html === false)
                    $msg = $version->getContentModule()->getLastError();
            }
        }
        else {
            $html = false;
            $msg = "No content (no such resource '$snapid')";
        }

        if($html === false)
            $html = "<div style=\"padding: 4px; border: 1px solid black; "
                . "background-color: #E0E0E0; width: 8em; text-align: center;\">$msg</div>";

        return $html;
    }

    public function translate($si) {
        $input = $si->getSource();

        if($input instanceof SnapContent)
            $input = $input->getHTML();

        $output = preg_replace_callback("/(<(media|content)\s*[^>]*>)/", array($this, 'replaceMediaTag'), $input);
        $this->sendToTarget($si, $output);

        return true;
    }
}

?>

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