root/trunk/plog-admin/plog-themes.php

<?php
// load configuration variables from database, plog-globals, & plog-includes/plog-functions
require_once(dirname(dirname(__FILE__))."/plog-load-config.php");
require(PLOGGER_DIR."plog-admin/plog-admin.php");

global $inHead, $config, $thumbnail_config;

function read_dir($path){

    static $dir_arr = array () ;

    $handle = opendir($path);

    while ($file = readdir($handle)) {
        if (is_dir($path.$file) && substr($file,0,1) != '.') {
            $dir_arr[] = $path . $file . "/" ;
        };
    }

    return $dir_arr ;

}

$output = "\n\t<h1>" . plog_tr("Manage Themes") . "</h1>";

// what is this?
//$output.= "<p>$theme_url</p>";

$theme_dir = $config['basedir'] . 'plog-content/themes/';

// scan list of folders within theme directory
$theme_list = read_dir($theme_dir);

// activate new theme by setting configuration dir
if (isset($_REQUEST['activate'])) {
    // insert into database
    $new_theme_dir = basename($_REQUEST["activate"]);
    $metafile = $config['basedir'] . 'plog-content/themes/' . $new_theme_dir . '/meta.php';
    if (file_exists($metafile)) {
        include($metafile);
        $sql = 'UPDATE '.TABLE_PREFIX.'config SET `theme_dir` = \''.$new_theme_dir.'\'';
        $name = $theme_name . ' ' . $version;
        if (mysql_query($sql)) {
            $output .= "\n\n\t\t" . '<p class="actions">' . sprintf(plog_tr("Activated New Theme <strong>%s</strong>"),$name). '</p>';
        } else {
            $output .= "\n\n\t\t" . '<p class="errors">' . plog_tr("Error Activating Theme!") . '</p>';
        }

        // update config variable if page doesn't refresh
        $config["theme_dir"] = $new_theme_dir;
    } else {
        $output .= "\n\n\t\t" . '<p class="errors">' . plog_tr("No such theme") . '</p>';
    }
}

// Output table header
$output .= "\n\n\t\t" . '<table id="theme-table" cellpadding="1" width="100%">
            <tr class="header">
                <th class="table-header-left">' . plog_tr("Preview") . '</th>
                <th class="table-header-middle">' . plog_tr("Theme") . '</th>
                <th class="table-header-middle">' . plog_tr("Description") . '</th>
                <th class="table-header-middle">' . plog_tr("Author") . '</th>
                <th class="table-header-right">' . plog_tr("Status") . '</th>
            </tr>' . "\n";
$counter = 0;

foreach($theme_list as $theme_folder_name) {
    $meta_file = $theme_folder_name . "meta.php";

    $theme_folder_basename = basename($theme_folder_name);

    // only display theme as available if meta information exists for it
    if (is_file($meta_file)) {

        // pull in meta information
        include($meta_file);

        if ($counter%2 == 0) $table_row_color = "color-1";
        else $table_row_color = "color-2";

        // generate small preview thumb, update thumb if preview.png has been updated
        $timestamp = @filemtime($theme_dir . $theme_folder_basename . "/preview.png");
        $thumbnail_config[THUMB_THEME]['timestamp'] = $timestamp;
        $preview_thumb = generate_thumb($theme_folder_name . "preview.png", $theme_name, THUMB_THEME);

        // generate large Lightbox preview thumb, update thumb if preview.png has been updated
        $thumbnail_config[THUMB_LARGE]['timestamp'] = $timestamp;
        $thumbnail_config[THUMB_LARGE]['disabled'] = 0;
        $preview_thumb_large = generate_thumb($theme_folder_name . "preview.png", $theme_name, THUMB_LARGE);

        // start a new table row (alternating colors)
        if ($config["theme_dir"] == $theme_folder_basename)
            $output .= "\t\t\t<tr class=\"activated\">\n";
        else
            $output .= "\t\t\t<tr class=\"$table_row_color\">\n";

        $output .= "\t\t\t\t<td>";

        if ($preview_thumb)
            $output .= "<div class=\"img-shadow\"><a rel=\"lightbox\" href=\"$preview_thumb_large\"><img src=\"$preview_thumb\" alt=\"$theme_name\" /></a></div>";

        $output .= "</td>
                <td><strong>$theme_name</strong><br /> Version $version</td>
                <td>$description</td>
                <td><a href=\"$url\">$author</a></td>\n";

        if ($config["theme_dir"] == $theme_folder_basename)
        $output .= "\t\t\t\t<td>" .plog_tr("Active Theme") . "</td>\n";
        else
        $output .= "\t\t\t\t<td><a href=\"${_SERVER['PHP_SELF']}?activate=$theme_folder_basename\">" . plog_tr('Activate') . "</a></td>\n";

        $output .= "\t\t\t</tr>\n";

        $counter++;
    }

}

$output .= "\t\t\t<tr class=\"footer\">
                <td colspan=\"5\" style=\"padding: 6px;\"></td>
            </tr>
        </table>\n";

display($output, "themes");

?>