'); $ajaxrp_options = array( 'ajaxrp_auto_show' => 1, 'ajaxrp_before_html' => '

Random Posts

', 'ajaxrp_after_html' => '

', 'ajaxrp_number_shown' => 10, 'ajaxrp_loading_message' => '

Loading...

', 'ajaxrp_post_format' => '{post} written by {author}' ); load_plugin_textdomain($ajaxrp_text_domain); function ajaxrp_install() { global $ajaxrp_options; foreach ($ajaxrp_options as $key=>$value) { add_option($key, $value); } } register_activation_hook(__FILE__, 'ajaxrp_install'); /** * @desc Includes the stylesheet and scripts */ function ajaxrp_head() { global $ajaxrp_plugin_dir; $css_file = get_template_directory_uri() . 'ajaxrp-style.css'; if (!file_exists($css_file)) { $css_file = "{$ajaxrp_plugin_dir}css/ajaxrp-style.css"; } printf(' ', $css_file, $ajaxrp_plugin_dir); } add_action('wp_head', 'ajaxrp_head'); function ajaxrp_prepare_post_data($post_content) { global $post; $data = array( 'post_id' => $post->ID, ); $placeholder = ajaxrp_get_placeholder($data); if (get_option('ajaxrp_auto_show')) { // remove the custom tag (if any) and add the place holder to the end of the post $post_content = str_replace(AJAXRP_CUSTOM_TAG, '', $post_content) . $placeholder; return $post_content; } // replace the custom tag with the placeholder return str_replace(AJAXRP_CUSTOM_TAG, $placeholder, $post_content); } add_filter('the_content', 'ajaxrp_prepare_post_data', 5); function ajaxrp_get_placeholder($data) { // if this is not a single post, don't do anything if (!is_single()) { return ''; } $data = base64_encode(serialize($data)); return sprintf(' %s

%s

%s ', get_option('ajaxrp_before_html'), get_option('ajaxrp_loading_message'), $data, get_option('ajaxrp_after_html')); } function ajaxrp_request_handler() { switch($_POST['ajaxrp_action']) { case 'get_posts': ajaxrp_get_posts(); break; case 'options': ajaxrp_save_options(); break; default: return false; } exit(); } add_action('init', 'ajaxrp_request_handler', 5); function ajaxrp_save_options() { global $ajaxrp_options; foreach ($_POST as $key=>$value) { if ($key == 'ajaxrp_action' || !isset($ajaxrp_options[$key])) continue; if ($key == 'ajaxrp_number_shown') { $value = intval($value); if ($value < 1) $value = 10; // default number of posts is 10 } update_option($key, $value); } header('Location: ' . get_bloginfo('wpurl') . '/wp-admin/options-general.php?page=ajax_random_posts.php&updated=true'); die(); } function ajaxrp_get_posts() { $format = get_option('ajaxrp_post_format'); $data = unserialize(base64_decode($_POST['data'])); $ret = '

%s

$format

'; die($ret); } function ajaxrp_options_form() { global $ajaxrp_plugin_dir; printf('

AJAX Random Posts Options

How many posts should the lists contain?

Automatically display the random posts in a single post page?

Get help with this

The HTML code before the list
%s

The HTML code after the list
%s

The "loading" message
%s

Format of each item in the list

Get help with this

%s

', $ajaxrp_plugin_dir, $ajaxrp_plugin_dir, get_option('ajaxrp_number_shown'), get_option('ajaxrp_auto_show') == 0 ? 'selected="selected"' : '', get_option('ajaxrp_before_html'), get_option('ajaxrp_after_html'), get_option('ajaxrp_loading_message'), get_option('ajaxrp_post_format')); } /** * @desc Adds the Options menu item */ function ajaxrp_menu_items() { add_options_page('AJAX Random Posts', 'AJAX Random Posts', 8, basename(__FILE__), 'ajaxrp_options_form'); } # Hook into the settings menu add_action('admin_menu', 'ajaxrp_menu_items'); function ajaxrp() { global $post; $data = array( 'post_id' => $post->ID, ); echo ajaxrp_get_placeholder($data); }