_object_data = "PLGNTLS_data"; $this->_first_script = null; } /** * can be used before class is instanciated : * PLGNTLS_class::set_root_dir( plugin_dir_path(__FILE__), plugin_dir_url(__FILE__) ); */ public static function set_root_dir($path, $url) { if (isset( self::$root_path )) return ; if (isset( self::$root_url )) return ; self::$root_path = $path; self::$root_url = $url; } public function get_path() { return(self::$root_path); } public function get_url() { return(self::$root_url); } /** * js function that creates an ajax post action */ public function get_ajax_script() { ob_start(); ?> _first_script)) return ; if (self::$_ajax_already_there) return ; self::$_ajax_already_there = true; $ajax_script = $this->get_ajax_script(); wp_add_inline_script($this->_first_script, $ajax_script, 'before'); } /** * @param string : name of the file, with its path from its extension directory * - from js/ root for .js files * - from css/ root for .css files * @return object / null : * - null if file is not js or css * - or an object with all the necessary infos : * - ext : name.js -> "js" * - basename : name.js -> "name" * - handle : name.js -> "name_js" * - url : url to file in wordpress * - path : path to file in server * - version : used to avoid browser caching */ private function init_file($file_name) { $file = (object)[]; $file->ext = pathinfo($file_name, PATHINFO_EXTENSION); if ($file->ext === "js") $dir_path = 'js/'; else if ($file->ext === "css") $dir_path = 'css/'; else if ($file->ext === "html") $dir_path = 'html/'; else return null; $file->basename = pathinfo($file_name, PATHINFO_FILENAME); $file->handle = str_replace(".", "_", $file_name); $file->url = $this->get_url().$dir_path.$file_name; $file->path = $this->get_path().$dir_path.$file_name; $file->version = date("ymd-Gis", filemtime($file->path)); return $file; } /** * @param array : list of files : * - with their path from root of their type of file (ex: from js/ to .js files) * - and with their extension * @param boolean * - to add ajax script and variables * - default to true */ private function add_files_to_front($files_arr, $add_ajax = true) { //wp_enqueue_script(, /url/to/file, [depends on], version, defer? ); //wp_enqueue_style( , /url/to/file, [depends on], version, media ); $previous_css_basename = ''; $previous_js_basename = ''; foreach ($files_arr as $file) { if ($file->ext === "js") { if (is_null($this->_first_script)) $this->_first_script = $file->handle; wp_enqueue_script( $file->handle, $file->url, $previous_js_basename, $file->version, true); $previous_js_basename = $file->basename; } else if ($file->ext === "css") { wp_enqueue_style( $file->handle, $file->url, $previous_css_basename, $file->version, ''); $previous_css_basename = $file->basename; } } if ($add_ajax === true) $this->add_ajax_script(); } /** * pass variables to js front as global variables * @param array : list of key => value * with the key being name of the variable, like this : * 'my_var' => 'value', * simpler way to do it is to use compact when calling the function : * add_var_to_front(compact("var1", "var2", "var3")); * @param string (optionnal) : name of first embended script that need these variables * (it will be available to this script and all followings) * this name is the filename + "_" + extension : * init.js -> init_js */ private function add_vars_to_front($var_array) { if (is_null($this->_first_script)) return ; $handle = $this->_first_script; $object_name = $this->_object_data; wp_localize_script($handle, $object_name, $var_array); } public function add_to_front($files_arr = null, $vars = null) { $files = array(); foreach($files_arr as $file_name) { $files[] = $this->init_file($file_name); } if (!is_null($files_arr)) $this->add_files_to_front($files); if (!is_null($vars)) $this->add_vars_to_front($vars); return $this->create_html($files, $vars); } /** * @param two arguments : * 1. html files to include in front * - can be a string of 1 filename * - or an array of strings of filenames * ( https://stackoverflow.com/q/4747876/9497573 ) * - it's probably better to only add 1 file, and let it include other files * 2. list of variables to make available to this files * - in the form of key => val * - recommanded to do it with compact() * ex: create_html( "file.html", compact("var1","var2",) ); * ex: create_html( array("file1.html", "file2.html"), array("var1"=>"value") ); * @return a string of html code * * using ob_start() and ob_get_clean() * allows to have php expansion inside the html loaded * in opposition to the methode file_get_contents() * * https://stackoverflow.com/a/4402045/9497573 */ private function create_html($files = null, $vars = null) { if (is_null($files)) return null; $plgn_dir = $this->get_path(); if (!is_null($vars)) extract($vars); ob_start(); foreach($files as $file) { error_log("file in create_html_tmp"); error_log(json_encode($file)); if ($file->ext === 'html') include($file->path); } $html = ob_get_clean(); return $html; } } ?>