admin_options = $this->get_admin_options(); } //end construct /** * admin_menu_init() * * Initialize admin menus and provide callback methods * */ public function admin_menu_init() { $pagename = $this->is_multisite() ? 'settings.php' : 'options-general.php'; $capabilities = $this->is_multisite() ? 'manage_network' : 'manage_options'; $page_hook = add_submenu_page( $pagename, 'Metronet Tag Manager', 'Metronet Tag Manager', $capabilities, 'metronet-tag-manager', array( $this, 'settings_page' ) ); add_action( 'admin_print_scripts-' . $page_hook, array( $this, 'print_scripts_settings' ) ); } //end admin_menu_init //Add a settings link for single site public function add_settings_link( $links ) { $admin_uri = add_query_arg( array( 'page' => 'metronet-tag-manager' ), admin_url( 'options-general.php' ) ); array_push($links, sprintf( '%s', esc_url( $admin_uri ), esc_html__( 'Settings', 'metronet-tag-manager' ) ) ); return $links; } //end add_settings_link //Add a settings link for multisite public function add_settings_link_multisite( $links ) { $admin_uri = add_query_arg( array( 'page' => 'metronet-tag-manager' ), network_admin_url( 'settings.php' ) ); array_push($links, sprintf( '%s', esc_url( $admin_uri ), esc_html__( 'Settings', 'metronet-tag-manager' ) ) ); return $links; } //end add_settings_link_multisite //Output the TinyMCE Popup public function ajax_tinymce_popup() { include rtrim( plugin_dir_path(__FILE__), '/' ) . '/tinyMCE/addparams.php'; exit; } //end ajax_tiny_mce /* Filters for dataLayer values */ public function filter_post_title( $total_match, $match, $post_id ) { return get_the_title( $post_id ); } //end filter_post_title public function filter_author_name( $total_match, $match, $post_id ) { $author_id = get_post_field( 'post_author', $post_id ); $display_name = get_the_author_meta( 'display_name', $author_id ); return $display_name; } //end filter_author_name public function filter_wordcount( $total_match, $match, $post_id ) { $post_content = get_post_field( 'post_content', $post_id ); return str_word_count( strip_tags( $post_content ) ); } //end filter_wordcount public function filter_logged_in( $total_match, $match, $post_id ) { if ( is_user_logged_in() ) return 'true'; else return 'false'; } //end filter_logged_in public function filter_page_id( $total_match, $match, $post_id ) { return $post_id; } //end filter_page_id public function filter_post_date( $total_match, $match, $post_id ) { $post_date = get_post_field( 'post_date', $post_id ); return $post_date; } //end filter_post_date private function get_admin_options() { if ( empty( $this->admin_options ) ) { $admin_options = $this->get_default_options(); $options = $this->is_multisite() ? get_site_option( 'metronet_tag_manager' ) : get_option( 'metronet_tag_manager' ) ; if ( !$options ) $options = array(); if ( !empty( $options ) ) { foreach ( $options as $key => $option ) { if (array_key_exists( $key, $admin_options ) ) { $admin_options[$key] = $option; } } //end foreach $options } //end if empty options $this->admin_options = $admin_options; if ( $this->admin_options !== $options ) { $this->save_admin_options(); } } //end load default options return $this->admin_options; } //end get_admin_options private function get_default_options() { $defaults = array( 'code' => '', 'code_head' => '', 'variables' => array( 0 => array( 'name' => 'title', 'value' => '%post_title%', ), 1 => array( 'name' => 'author', 'value' => '%author_name%', ), 2 => array( 'name' => 'wordcount', 'value' => '%wordcount%', ), 3 => array( 'name' => 'logged_in', 'value' => '%logged_in%', ), 4 => array( 'name' => 'page_id', 'value' => '%page_id%', ), 5 => array( 'name' => 'post_date', 'value' => '%post_date%', ) ), 'external_variables' => array() ); return $defaults; } //end get_default_options /** * is_multisite() * @desc - Returns a boolean if the site is multisite or not * * @returns true if plugin is network activated, false if not */ private function is_multisite() { $multisite_network = false; if ( ! function_exists( 'is_plugin_active_for_network' ) ) require_once( ABSPATH . '/wp-admin/includes/plugin.php' ); if ( is_plugin_active_for_network( plugin_basename( __FILE__ ) ) ) { $multisite_network = true; } return $multisite_network; } //end is_multisite /** * init() * * Initializes plugin localization, post types, updaters, plugin info, and adds actions/filters * */ public function init() { //* Localization Code */ load_plugin_textdomain( 'metronet-tag-manager', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' ); //Admin Menu if ( $this->is_multisite() ) { add_action( 'network_admin_menu', array( $this, 'admin_menu_init' ) ); } else { add_action( 'admin_menu', array( $this, 'admin_menu_init' ) ); } //For the plugin settings link if ( $this->is_multisite() ) { add_filter( 'network_admin_plugin_action_links_' . plugin_basename(__FILE__) , array( $this, 'add_settings_link_multisite'), 5 ); } else { add_filter( 'plugin_action_links_' . plugin_basename(__FILE__) , array( $this, 'add_settings_link'), 5 ); } //Print post scripts add_action( 'admin_print_scripts-post.php', array( $this, 'print_scripts_settings' ) ); add_action( 'admin_print_scripts-post-new.php', array( $this, 'print_scripts_settings' ) ); //Plugin meta box add_action( 'add_meta_boxes', array( $this, 'meta_box_init' ), 10, 1 ); //Save post hook for the metabox variables add_action( 'save_post', array( $this, 'meta_box_save' ), 10, 1 ); //Load GTM in the Footer (or header if they have the do_action( 'body_open' ) functionality add_action( 'wp_head', array( $this, 'output_tag_manager_head' ), 1 ); add_action( 'body_open', array( $this, 'output_tag_manager_body' ) ); add_action( 'wp_footer', array( $this, 'output_tag_manager_body' ) ); //Filters for the GTM variables add_filter( 'gtm_post_title', array( $this, 'filter_post_title' ), 9, 3 ); add_filter( 'gtm_author_name', array( $this, 'filter_author_name' ), 9, 3 ); add_filter( 'gtm_wordcount', array( $this, 'filter_wordcount' ), 9, 3 ); add_filter( 'gtm_logged_in', array( $this, 'filter_logged_in' ), 9, 3 ); add_filter( 'gtm_page_id', array( $this, 'filter_page_id' ), 9, 3 ); add_filter( 'gtm_post_date', array( $this, 'filter_post_date' ), 9, 3 ); //TinyMCE Addition if ( ( current_user_can('edit_posts') || current_user_can('edit_pages') ) && get_user_option('rich_editing') ) { // Register addicional attribue for A tag add_filter('tiny_mce_before_init', array( $this, 'tinymce_options' ) ); add_filter('mce_external_plugins', array( $this, 'tinymce_add_metro_gtm_tinymce_plugin' ) ); add_filter('mce_buttons', array( $this, 'tinymce_register_metro_gtm_button' ) ); add_action( 'wp_ajax_mtm_addparams', array( $this, 'ajax_tinymce_popup' ) ); } } //end init public function tinymce_options( $options ) { if ( ! isset( $options['extended_valid_elements'] ) ) $options['extended_valid_elements'] = ''; $options['extended_valid_elements'] .= ',a[target<_blank?_self?_top?_parent|ping|media|href|hreflang|type|relsanitize_variable_name( $variable[ 'name' ] ); $value = $this->sanitize_value( $variable[ 'value' ] ); $variable_array[] = array( 'name' => $name, 'value' => $value ); } } update_post_meta( $post_id, '_gtm_vars', $variable_array ); } //end meta_box_save //Show the meta box settings public function meta_box_settings() { global $post; wp_nonce_field( plugin_basename( __FILE__ ), 'mtm_save_post' ); //Output Datalayer variables $post_id = $post->ID; $gtm_vars = get_post_meta( $post_id, '_gtm_vars', true ); $this->output_variables_to_edit( $gtm_vars, 'tag_manager' ); } //end meta_box_settings public function output_tag_manager_head() { //Output DataLayer Variables $data_layer_array = array(); if ( !is_single() && !is_page() ) { //Output datalayer variables if not on a single or post page $gtm_vars = $this->admin_options[ 'external_variables' ]; foreach( $gtm_vars as $index => $vars ) { $data_layer_array[ $vars[ 'name' ] ] = esc_js( $vars[ 'value' ] ); } } else { //Output DataLayer variables only if on a single post or page global $post; $post_id = $post->ID; //Retrieve global options and store to array $gtm_vars = $this->admin_options[ 'variables' ]; foreach( $gtm_vars as $index => $vars ) { $data_layer_array[ $vars[ 'name' ] ] = esc_js( $vars[ 'value' ] ); } //Retrieve per-post options and store to same array, overwriting the global options $post_gtm_vars = get_post_meta( $post_id, '_gtm_vars', true ); if ( is_array( $post_gtm_vars ) ) { foreach( $post_gtm_vars as $index => $vars ) { $data_layer_array[ $vars[ 'name' ] ] = esc_js( $vars[ 'value' ] ); } } } //Now output dataLayer variables $post_id = get_queried_object_id(); foreach( $data_layer_array as &$value ) { if ( preg_match( '/^%([^%]*)%/', $value, $matches ) ) { /** * Retrieves a variable like %post_title% and does apply_filters( 'gtm_post_title', '%post_title%', 'post_title', post_id ); * * Description. * * @since 1.0.0 * * @param string $matches[0] %variable_name% * @param string $matches[1] variable_name * @param int $post_id Object ID */ $value = apply_filters( 'gtm_' . $matches[1], $matches[0], $matches[1], $post_id ); //Prevent %item% from outputting in the dataLayer if ( is_string( $value ) && $value === $matches[0] ) { $value = ''; } } } echo "\n" . '' . "\n"; //Output GTM Code $gtm_code = stripslashes( $this->admin_options[ 'code_head' ] ); add_filter( 'safe_style_css', array( $this, 'safe_css' ) ); $allowed_tags = array( 'iframe' => array( 'src' => true, 'style' => true, 'width' => true, 'height' => true, ), 'noscript' => array( ), 'script' => array( 'data-cfasync' => true ), 'style' => array( ) ); $gtm_code = wp_kses( $gtm_code, $allowed_tags ); remove_filter( 'safe_style_css', array( $this, 'safe_css' ) ); echo $gtm_code; } //end output_tag_manager public function output_tag_manager_body() { if ( did_action( 'body_open' ) === 1 && did_action( 'wp_footer' ) === 1 ) return; //Output GTM Code $gtm_code = stripslashes( $this->admin_options[ 'code' ] ); add_filter( 'safe_style_css', array( $this, 'safe_css' ) ); $allowed_tags = array( 'iframe' => array( 'src' => true, 'style' => true, 'width' => true, 'height' => true, ), 'noscript' => array( ), 'script' => array( 'data-cfasync' => true ), 'style' => array( ) ); $gtm_code = wp_kses( $gtm_code, $allowed_tags ); remove_filter( 'safe_style_css', array( $this, 'safe_css' ) ); echo $gtm_code; } //end output_tag_manager_body private function output_variables_to_edit( $gtm_vars, $gtm_label ) { ?>
    $vars ) { //$vars should contain 'name', 'value' ?>
  1.   -       <?php echo esc_attr( __( 'Delete', 'metronet-tag-manager' ) ); ?>
esc_html__( 'Name', 'metronet-tag-manager' ), 'value' => esc_html__( 'Value', 'metronet-tag-manager' ), 'delete' => esc_html__( 'Delete', 'metronet-tag-manager' ), 'delete_src' => plugins_url( '/images/delete.png', __FILE__ ) ) ); } //end print_scripts_settings /** * safe_css * * Used when saving the iframe code on the settings page * * @param array $css - Array of CSS attributes that are allowed * @returns array $css - Appended array of CSS attributes **/ public function safe_css( $css = array() ) { $css[] = 'display'; $css[] = 'visibility'; return $css; } //end safe_css /** * sanitize_value * * Make sure values are in the proper format * * @param string $value A variable to be sanitized * @returns string $value A formatted variable **/ private function sanitize_value( $value ) { if( preg_match( '/^%([-_A-Za-z0-9]*)%$/', $value ) ) { return $value; } return sanitize_text_field( $value ); } /** * sanitize_variable_name * * Makes sure a variable name is stripped of spaces and converted for use * * @param string $var - A variable to be sanitized * @returns string $var - A formatted variable **/ private function sanitize_variable_name( $var ) { $var = remove_accents($var); //Code ripped from sanitize_title_with_dashes $var = strip_tags($var); // Preserve escaped octets. $var = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $var); // Remove percent signs that are not part of an octet. $var = str_replace('%', '', $var); // Restore octets. $var = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $var); if (seems_utf8($var)) { $var = utf8_uri_encode($var, 200); } $var = preg_replace('/&.+?;/', '', $var); // kill entities //$var = str_replace('.', '-', $var); //Commented out for compatibility with GTM 2.0 // Convert nbsp, ndash and mdash to hyphens $var = str_replace( array( '%c2%a0', '%e2%80%93', '%e2%80%94' ), '-', $var ); // Strip these characters entirely $var = str_replace( array( // iexcl and iquest '%c2%a1', '%c2%bf', // angle quotes '%c2%ab', '%c2%bb', '%e2%80%b9', '%e2%80%ba', // curly quotes '%e2%80%98', '%e2%80%99', '%e2%80%9c', '%e2%80%9d', '%e2%80%9a', '%e2%80%9b', '%e2%80%9e', '%e2%80%9f', // copy, reg, deg, hellip and trade '%c2%a9', '%c2%ae', '%c2%b0', '%e2%80%a6', '%e2%84%a2', // grave accent, acute accent, macron, caron '%cc%80', '%cc%81', '%cc%84', '%cc%8c', ), '', $var ); // Convert times to x $var = str_replace( '%c3%97', 'x', $var ); $var = preg_replace('/[^\.%a-zA-Z0-9 _-]/', '', $var); $var = preg_replace('/\s+/', '-', $var); $var = preg_replace('|-+|', '-', $var); $var = trim($var, '-'); return $var; } //end sanitize_variable_name //Saves settings for admin users private function save_admin_options( $admin_options = false ){ if ( !empty( $this->admin_options ) ) { if ( is_array( $admin_options ) ) { $this->admin_options = $admin_options; } if ( $this->is_multisite() ) { update_site_option( 'metronet_tag_manager', $this->admin_options); } else { update_option( 'metronet_tag_manager', $this->admin_options ); } } } //end save_admin_options /** * settings_page() * * Output the settings page for the plugin * */ public function settings_page() { //Handle saving of data if ( isset( $_POST[ 'reset' ] ) || isset( $_POST[ 'submit' ] ) ) { if ( !wp_verify_nonce( $_REQUEST[ '_metronet' ], 'save_metronet_settings_tags' ) ) { echo sprintf( '

%s

', esc_html__( 'This request cannot be verified', 'metronet-tag-manager' ) ); } else { //A little early, but who cares? echo sprintf( '

%s

', esc_html__( 'Settings saved', 'metronet-tag-manager' ) ); } } if ( isset( $_POST[ 'reset' ] ) ) { $this->admin_options = $this->get_default_options(); $this->save_admin_options(); } elseif ( isset( $_POST[ 'submit' ] ) ) { //Format the GTM Code for saving add_filter( 'safe_style_css', array( $this, 'safe_css' ) ); $allowed_tags = array( 'iframe' => array( 'src' => true, 'style' => true, 'width' => true, 'height' => true, ), 'noscript' => array( ), 'script' => array( 'data-cfasync' => true ), 'style' => array( ) ); $gtm_code = $_POST[ 'gtm-code' ]; $gtm_code_head = $_POST[ 'gtm-code-head' ]; $gtm_code_head = wp_kses( $gtm_code_head, $allowed_tags ); $gtm_code = wp_kses( $gtm_code, $allowed_tags ); remove_filter( 'safe_style_css', array( $this, 'safe_css' ) ); $this->admin_options[ 'code' ] = $gtm_code; $this->admin_options[ 'code_head' ] = $gtm_code_head; //Save the regular post/post type variables $variable_array = array(); if ( isset( $_POST[ 'tag_manager' ] ) && !empty( $_POST[ 'tag_manager' ] ) ) { foreach( $_POST[ 'tag_manager' ] as $variable ) { $name = $this->sanitize_variable_name( $variable[ 'name' ] ); $value = $this->sanitize_value( $variable[ 'value' ] ); $variable_array[] = array( 'name' => $name, 'value' => $value ); } } $this->admin_options[ 'variables' ] = $variable_array; //Save the external variables (used on home, archive templates) $external_variable_array = array(); if ( isset( $_POST[ 'external_tag_manager' ] ) && !empty( $_POST[ 'external_tag_manager' ] ) ) { foreach( $_POST[ 'external_tag_manager' ] as $variable ) { $name = $this->sanitize_variable_name( $variable[ 'name' ] ); $value = $this->sanitize_value( $variable[ 'value' ] ); $external_variable_array[] = array( 'name' => $name, 'value' => $value ); } } $this->admin_options[ 'external_variables' ] = $external_variable_array; //Save the admin options $this->save_admin_options(); } $gtm_code = $this->admin_options[ 'code' ]; $gtm_code_head = $this->admin_options[ 'code_head' ]; $gtm_vars = $this->admin_options[ 'variables' ]; $gtm_external_vars = $this->admin_options[ 'external_variables' ]; ?>

Metronet Tag Manager

ID; if ( !get_user_meta( $user_id, 'gtm_body_notice', true ) ) { echo '

'; esc_html_e( "Google recommends that the Google Tag Manager script is loaded straight after the opening tag. For this to work, you will need to add the following piece of code into your template file just after the tag: . Otherwise the GMT script will be added at the bottom of your site and might not track the way you want it to.", 'metronet-tag-manager' ); echo ' '; printf( '%s', esc_url( 'https://developers.google.com/tag-manager/quickstart' ), esc_html__( 'View the Quickstart Guide', 'metronet-tag-manager' ) ); echo '

'; } ?>

portion of your site:', 'metronet-tag-manager' ); ?>

tag:', 'metronet-tag-manager' ); ?>

%s.', esc_html__( 'To see some examples, please visit the', 'metronet-tag-manager' ), esc_url( 'https://developers.google.com/tag-manager/reference' ), esc_html__( 'Google Tag Manager Reference', 'metronet-tag-manager' ) );?>

output_variables_to_edit( $gtm_vars, 'tag_manager' ); ?>

%s.', esc_html__( 'To see some examples, please visit the', 'metronet-tag-manager' ), esc_url( 'https://developers.google.com/tag-manager/reference' ), esc_html__( 'Google Tag Manager Reference', 'metronet-tag-manager' ) );?>

output_variables_to_edit( $gtm_external_vars, 'external_tag_manager' ); ?>