configure.. Happy blogging!! Author: Nyamagana Butera Ignace Philippe Version: 2.3 Author URI: http://www.nyamsprod.com/ */ if (function_exists('load_plugin_textdomain')) { load_plugin_textdomain('refgen', 'wp-content/plugins/' . dirname(plugin_basename(__FILE__)) . '/langs'); } //1 - ACTIVATION FUNCTIONS //! add default options when the plugin is activated */ register_activation_hook( __FILE__ , 'refgenerator_activation'); function refgenerator_activation(){ add_option('refgen_post_parent_id','post'); add_option('refgen_post_content_tag','div'); add_option('refgen_post_content_class','post-content'); add_option('refgen_post_links_class','post-links'); add_option('refgen_method','php'); add_option('refgen_display_settings',''); add_option('refgen_display_title','Post external references'); } //2 - ADMIN FUNCTIONS //! function to call the plugin admin page : options-refgenerator.php add_action('admin_menu','refgenerator_admin'); function refgenerator_admin() { add_options_page('RefGenerator', 'RefGenerator', 'manage_options', 'refgenerator/options-refgenerator.php'); } //! javascript used by the plugin admin page : options-refgenerator.php add_action('admin_head','refgenerator_admin_js'); function refgenerator_admin_js() { wp_enqueue_script('refgenerator-admin', plugins_url('js/refgenerator-admin.js', __FILE__), array('jquery'), false, true); } //3 - TEMPLATE FUNCTIONS $refgen['method'] = get_option('refgen_method'); $refgen['post_links_class'] = get_option('refgen_post_links_class'); $refgen['display_settings'] = get_option('refgen_display_settings'); $refgen['display_title'] = get_option('refgen_display_title'); $refgen['post_parent_id'] = get_option('refgen_post_parent_id'); $refgen['post_content_tag'] = get_option('refgen_post_content_tag'); $refgen['post_content_class'] = get_option('refgen_post_content_class'); //!function for the PHP method function php_simple_refgenerator($content) { global $refgen; $ref_title = __('reference #', 'refgen'); $links = array(); $userLinks = array(); $index = 1; $references = NULL; $url = get_bloginfo('url'); //The script starts here.... //we extract all links from the content if (preg_match_all('||U', $content, $L, PREG_SET_ORDER)) { foreach ($L as $o) { //if this is a link and it's url does not start with the blog url then it is an external link to the blog if (preg_match(', href="(.*?)",i', $o[1], $M) && strpos($M[1], $url) === false) { if (!in_array($M[1], $userLinks) && !preg_match(',^(javascript:|mailto:|#),i', $M[1])) { $userLinks[] = $M[1]; $links[$index]['href'] = $M[1]; $links[$index]['title'] = ( preg_match(', title="(.*?)",i', $o[1] , $M ) ) ? $M[1]:NULL; $links[$index]['lang'] = ( preg_match(', lang="(.*?)",i', $o[1] , $M ) ) ? $M[1]:NULL; $index++; } } } //references formatting if (!empty($links)) { $res = array(); $res[] = '
'; $res[] = '

' . $refgen['display_title'] . '

'; $res[] = '
    '; foreach ($links as $k => $v) { $lang = (!is_null($v['lang'])) ? ' lang="' . $v['lang'] . '"' : ''; if (is_null($v['title'])) { $v['title'] = $ref_title.$k; } $res[] = '
  1. '.$v['title'].'
    '.$v['href']."
    2. "; } $res[] = '
'; $res[] = '
'; $references = implode(PHP_EOL, $res); } } return $content.$references; } //! function to call depending on your settings ( The Method and In Which Page to display RefGenerator add_action('get_header', 'refgenerator'); function refgenerator() { global $refgen; $refgen_display = false; //if nothing is set...nothing will be shown if (!is_array($refgen['display_settings'])) { $refgen_display = true; } else { foreach ($refgen['display_settings'] as $page ){ if (function_exists($page) && $page()) { $refgen_display = true; break; } } } if ($refgen_display) { wp_enqueue_style('refgenerator-screen', plugins_url('css/screen.css', __FILE__), array(), false, 'screen'); wp_enqueue_style('refgenerator-print', plugins_url('css/print.css', __FILE__), array(), false, 'print'); if ($refgen['method'] === 'php') { add_filter('the_content', 'php_simple_refgenerator'); } else { // Add some parameters for the JS. $data = $refgen; unset($data['method'], $data['display_settings']); $data['a_title'] = __('reference #', 'refgen'); $data['blog_url'] = get_bloginfo('url'); wp_enqueue_script('refgenerator', plugins_url('js/refgenerator.js', __FILE__), array('jquery'), false, true); wp_localize_script('refgenerator', 'refgen', $data); } } }