sfire38

<?
/*
Plugin Name: List blogs widget
Plugin URI: http://wordpress.org/#
Description: Show off all your blogs (public ones or not) in the sidebar
Version: 0.1
Author: Anton Lindqvist
Author URI: http://qvister.se
*/
    define(LIST_BLOGS_WIDGET_ID, 'widget_list_blogs');
    define(LIST_BLOGS_WIDGET_CACHE, 'widget_list_blogs_cache');
    define(LIST_BLOGS_WIDGET_CACHETIME, 'widget_list_blogs_cachetime');

    function order($x,$y) {
        if($x['blogname'] == $y['blogname']) return 0;
        return ($x['blogname'] < $y['blogname']) ? -1 : 1;
    }
    function list_blogs($private=false,$title=null,$force=false) {
        global $wpdb;

        if(get_option(LIST_BLOGS_WIDGET_CACHETIME) < time() - 3600 || $force) {
            $title = (!$title) ? 'Blogs' : $title;
            $return = '<div class=\"pd\">'.'<h2>'.$title.'</h2><ul>';
            $query = 'select blog_id from '.$wpdb->blogs.' where archived=\'0\' and spam=\'0\' and deleted=\'0\' and blog_id > 1';
            $query .= (!$private) ? ' and public=\'1\'' : ' and public >= -1';
            $results = $wpdb->get_results($query);

            foreach($results as $row) {
                $blogname = get_blog_option($row->blog_id,'blogname');
                $siteurl = get_blog_option($row->blog_id,'siteurl');
                $blogs[] = array(
                    'id' => $row->blog_id,
                    'blogname' => $blogname,
                    'siteurl' => $siteurl
                );
            }

            usort($blogs,'order');

            foreach($blogs as $blog) {
                $return .= '<li id="id_'.$blog['id'].'"><a href="'.$blog['siteurl'].'">'.$blog['blogname'].'</a></li>';
            }

            $return .= '</ul>';
            update_option(LIST_BLOGS_WIDGET_CACHE,$return);
            update_option(LIST_BLOGS_WIDGET_CACHETIME,time());

            if(!$force) {
                echo $return;
            } else {
                return;
            }
        } else {
            echo get_option(LIST_BLOGS_WIDGET_CACHE);
        }
    }
    function widget_list_blogs($args) {
        extract($args, EXTR_SKIP);
        $options = get_option(LIST_BLOGS_WIDGET_ID);
        $private = $options['private'];
        $title = $options['title'];
        echo $before_widget;
        list_blogs($private,$title);
        echo $after_widget;
    }
    function widget_list_blogs_init() {
        wp_register_sidebar_widget(LIST_BLOGS_WIDGET_ID,
        __('List blogs'),'widget_list_blogs');
        wp_register_widget_control(LIST_BLOGS_WIDGET_ID,
        __('List blogs'),'widget_list_blogs_control');
    }
    function widget_list_blogs_control() {
        $options = get_option(LIST_BLOGS_WIDGET_ID);

        if(!is_array($options)) {
            $options = array();
        }

        $widget_data = $_POST[LIST_BLOGS_WIDGET_ID];

        if($widget_data['submit']) {
            $options['private'] = $widget_data['private'];
            $options['title'] = $widget_data['title'];
            update_option(LIST_BLOGS_WIDGET_ID, $options);
            list_blogs($options['private'],$options['title'],true);
        }

        $title = $options['title'];
        $private = $options['private'];
?>
    <p>
      <label for="<?=LIST_BLOGS_WIDGET_ID;?>-title">Custom title:</label>
      <input class="widefat" type="text" name="<?=LIST_BLOGS_WIDGET_ID?>[title]" id="<?=LIST_BLOGS_WIDGET_ID?>-num-posts" value="<?=$title?>" />
    </p>
    <p>
        <label for="<?php echo LIST_BLOGS_WIDGET_ID;?>-private">Show private blogs:</label>
        <select class="widefat" name="<?=LIST_BLOGS_WIDGET_ID?>[private]" id="<?=LIST_BLOGS_WIDGET_ID?>-private">
            <option value="1" <?=($private == '1') ? 'selected' : ''?>>Yes</option>
            <option value="0" <?=($private == '1') ? '' : 'selected'?>>No</option>
        </select>
    </p>
    <input type="hidden" name="<?=LIST_BLOGS_WIDGET_ID?>[submit]" value="1" />
<?
    }
    add_action('plugins_loaded','widget_list_blogs_init');
?>