<?php class Photobox extends Controller { // the image extension this module can work with var $img_ext = '.jpg'; var $thumb_height = 150; // this will be used to rename files and also  // cull them from the directory listing var $thumb_string = '_thumb'; // this directory must exist alongside the  // module controller dir (at the same level) // and it must have write permissions // for the thumbnail cache to work var $photo_dir = 'photobox'; // string for the title and heading var $heading = 'PhotoBox Module'; function Photobox() { parent::Controller(); // PHP4 has problems with var declaration // so concatenate here to get the proper path // detect if we are in module context // so this controller can be used out of module too $mod_base = (defined('MODBASE')) ? MODBASE.__CLASS__.'/' : ''; $this->photo_dir = $mod_base.$this->photo_dir; } // generate an index page that lists the files // with thumbnails as links to larger size. // the view file builds thumb img tags that request back  // to this controller's show() function to get their images function index() { $this->load->helper('directory'); $this->load->helper('html'); $this->load->helper('url'); // get the list of photos from the disk $dirmap = directory_map($this->photo_dir, TRUE); // remove the thumbs from the files array $data['files'] = array_filter($dirmap, array($this,'_cull_thumbs')); $data['heading'] = $this->heading; $this->load->view('index', $data); } // show a thumb or full size image - outputs directly // this is an "image controller" because it renders // the image directly to the browser function show($size, $file) { $this->load->helper('file'); $path = $this->photo_dir.'/'.$file; if ($size === 'thumb') { // this is weak because it relies on filename $thumb_path = str_replace($this->img_ext, $this->thumb_string.$this->img_ext, $path); if (!file_exists($thumb_path)) { // regenerate the thumb file from the full size $this->_thumb($path); } $path = $thumb_path; } // load up the image from the disk - file_helper  $mimetype = get_mime_by_extension($path); header('Content-Type: '.$mimetype); echo read_file($path); } // generate the thumbnail file using CI lib function _thumb($path) { $config['source_image'] = $path; $config['create_thumb'] = TRUE; $config['thumb_marker'] = $this->thumb_string; $config['height'] = $this->thumb_height; $config['width'] = $this->thumb_height; $this->load->library('image_lib', $config); $this->image_lib->resize(); } // remove the thumb files from the listing function _cull_thumbs($fname) { return !strpos($fname,$this->thumb_string); } } /* End of file photobox.php */ /* Location: ./system/application/modules/photobox/controllers/photobox.php */