source: trunk/www.guidonia.net/wp/wp-content/themes/carrington-mobile-1.0.2/carrington-core/ajax-load.php@ 44

<?php

// This file is part of the Carrington Theme Framework for WordPress
// http://carringtontheme.com
//
// Copyright (c) 2008-2009 Crowd Favorite, Ltd. All rights reserved.
// http://crowdfavorite.com
//
// Released under the GPL license
// http://www.opensource.org/licenses/gpl-license.php
//
// **********************************************************************
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
// **********************************************************************

if (__FILE__ == $_SERVER['SCRIPT_FILENAME']) { die(); }

function cfct_ajax_post_content($post_id) {
        global $post, $posts, $wp_query, $wp;
        $posts = get_posts('include='.$post_id);
        $post = $posts[0];
        if (is_null($post)) {
                $posts = get_pages('include='.$post_id);
                $post = $posts[0];
        }
        if (is_null($post)) {
                $posts = get_posts('post_status=private&include='.$post_id);
                $post = $posts[0];
                if ($post) {
                        $user = wp_get_current_user();
                        if (!$user->ID || $user->ID != $post->post_author) {
                                $post = null;
                        }
                }
        }
        if (!$post) {
                die('');
        }
        $wp_query->in_the_loop = true;
        setup_postdata($post);
        remove_filter('the_content', 'st_add_widget');
        $wp->send_headers();
        cfct_content();
        echo '<div class="close" id="post_close_'.$post_id.'"><a href="#">'.__('Close', 'carrington').'</a></div>';
}

function cfct_ajax_post_comments($post_id) {
        global $post, $posts, $wp_query, $wp;
        $wp_query->is_single = true;
        $posts = get_posts('include='.$post_id);
        $post = $posts[0];
        if (is_null($post)) {
                $posts = get_pages('include='.$post_id);
                $post = $posts[0];
        }
        setup_postdata($post);
        $wp->send_headers();
        comments_template();
}

function cfct_ajax_load() {
        if (isset($_GET['cfct_action'])) {
                switch ($_GET['cfct_action']) {
                        case 'post_content':
                        case 'post_comments':
                                if (isset($_GET['id'])) {
                                        $post_id = intval($_GET['id']);
                                }
                                else if (isset($_GET['url'])) {
                                        $post_id = url_to_post_id($_GET['url']);
                                }
                                if ($post_id) {
                                        call_user_func('cfct_ajax_'.$_GET['cfct_action'], $post_id);
                                        die();
                                }
                }
        }
}

function cfct_ajax_comment_link() {
        global $post;
        echo ' rev="post-'.$post->ID.'" ';
}
add_filter('comments_popup_link_attributes', 'cfct_ajax_comment_link');

function cfct_posts_per_archive_page($query) {
        $count = get_option('cfct_posts_per_archive_page');
        intval($count) > 0 ? $count = $count : $count = 25;
        $query->set('posts_per_archive_page', $count);
        if (is_category()) {
                $query->set('posts_per_page', $count);
        }
        return $query;
}
add_filter('pre_get_posts', 'cfct_posts_per_archive_page');

?>