<?php
/*
Plugin Name: gdThumb
Version: 1.0.20
Description: Apply Masonry style to album or image thumbs
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=771
Author: Serge Dosyukov 
Author URI: http://blog.dragonsoft.us
*/
// Original work by P@t - GTHumb+

global $conf;

if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

if (mobile_theme()) return;

// +-----------------------------------------------------------------------+
// | Plugin constants                                               |
// +-----------------------------------------------------------------------+
define('GDTHUMB_VERSION', '1.0.20');
define('GDTHUMB_ID',      basename(dirname(__FILE__)));
define('GDTHUMB_PATH' ,   PHPWG_PLUGINS_PATH . GDTHUMB_ID . '/');
if (!defined('GDTHEME_PATH')):
  define('GDTHEME_PATH' ,   PHPWG_THEMES_PATH . 'greydragon/');
endif;

if (!isset($conf['gdThumb'])):
  include(dirname(__FILE__).'/config_default.inc.php');
  conf_update_param('gdThumb', $config_default);
  load_conf_from_db();
endif;

$conf['gdThumb'] = unserialize($conf['gdThumb']);

// RV Thumbnails Scroller
if (isset($_GET['rvts'])):
  $conf['gdThumb']['big_thumb'] = false;
  add_event_handler('loc_end_index_thumbnails', 'GDThumb_process_thumb', 50, 2);
endif;

add_event_handler('init', 'GDThumb_init');
add_event_handler('loc_begin_index', 'GDThumb_index', 60);
add_event_handler('loc_end_index_category_thumbnails', 'GDThumb_process_category', 50, 2);
add_event_handler('get_admin_plugin_menu_links', 'GDThumb_admin_menu');
add_event_handler('loc_end_index', 'GDThumb_remove_thumb_size');

function GDThumb_init() {
  global $conf, $user, $page, $stripped;

  $confTemp = $conf['gdThumb'];
  $user['nb_image_page']    = $confTemp['nb_image_page'];
  $page['nb_image_page']    = $confTemp['nb_image_page'];
  $stripped['maxThumb']     = $confTemp['nb_image_page'];
}

function GDThumb_index() {
  global $template;

  $template->smarty->registerPlugin("function", "media_type", "GDThumb_media_type");
  $template->set_prefilter('index', 'GDThumb_prefilter');

  add_event_handler('loc_end_index_thumbnails', 'GDThumb_process_thumb', 50, 2);
}
                                                 
function GDThumb_endsWith($needles, $haystack) {
  if(empty($needles) || empty($haystack)):
    return false;
  else:
    $arr_needles = explode(',', $needles);
    
    foreach ((array) $arr_needles as $needle) { 
      if ((string) $needle === substr($haystack, -strlen($needle))) return true; 
    } 
    return false; 
  endif;
}

function GDThumb_media_type($params, $smarty) {
  if(empty($params["file"]))
    return "image";

  $file = $params["file"];
  if (GDThumb_endsWith("webm,webmv,ogv,m4v,flv,mp4", $file))
    return "video";
  if (GDThumb_endsWith("mp3,ogg,oga,m4a,webma,fla,wav", $file))
    return "music";
  if (GDThumb_endsWith("pdf", $file))
    return "pdf";
  if (GDThumb_endsWith("doc,docx,odt", $file))
    return "doc";
  if (GDThumb_endsWith("xls,xlsx,ods", $file))
    return "xls";
  if (GDThumb_endsWith("ppt,pptx,odp", $file))
    return "ppt";

  return "image";
}

function GDThumb_process_thumb($tpl_vars, $pictures) {
  global $template, $conf;
  $confTemp = $conf['gdThumb'];
  $confTemp['GDTHUMB_ROOT'] = 'plugins/' . GDTHUMB_ID;
  $confTemp['big_thumb_noinpw'] = (isset($confTemp['big_thumb_noinpw']) && ($confTemp['big_thumb_noinpw']))? 1 : 0;
  if ($confTemp['normalize_title'] == "1"):
    $confTemp['normalize_title'] = "on";
  endif;    

  $template->set_filename( 'index_thumbnails', dirname(__FILE__) . '/template/gdthumb_thumb.tpl');
  $template->assign('GDThumb', $confTemp);
  if (($confTemp['method'] == "slide") || ($confTemp['method'] == "square")):
    $template->assign('GDThumb_derivative_params', ImageStdParams::get_custom($confTemp['height'], 9999));
  else:
    $template->assign('GDThumb_derivative_params', ImageStdParams::get_custom(9999, $confTemp['height']));
  endif;

  if ($confTemp['big_thumb'] and !empty($tpl_vars[0])):
    if (($confTemp['method'] == "slide") || ($confTemp['method'] == "square")):
      $derivative_params = ImageStdParams::get_custom(2 * $confTemp['height'] + $confTemp['margin'], 9999);
    else:
      $derivative_params = ImageStdParams::get_custom(9999, 2 * $confTemp['height'] + $confTemp['margin']);
    endif;
    $template->assign('GDThumb_big', new DerivativeImage($derivative_params, $tpl_vars[0]['src_image']));
  endif;

  return $tpl_vars;
}

function GDThumb_process_category($tpl_vars) {

  global $template, $conf;
  $confTemp = $conf['gdThumb'];
  $confTemp['GDTHUMB_ROOT'] = 'plugins/' . GDTHUMB_ID;
  $confTemp['big_thumb_noinpw'] = isset($confTemp['big_thumb_noinpw'])? 1 : 0;

  $template->set_filename( 'index_category_thumbnails', dirname(__FILE__) . '/template/gdthumb_cat.tpl');
  $template->assign('GDThumb', $confTemp);
  if (($confTemp['method'] == "slide") || ($confTemp['method'] == "square")):
    $template->assign('GDThumb_derivative_params', ImageStdParams::get_custom($confTemp['height'], 9999));
  else:
    $template->assign('GDThumb_derivative_params', ImageStdParams::get_custom(9999, $confTemp['height']));
  endif;

  if ($confTemp['big_thumb'] and !empty($tpl_vars[0])):
    $id = $tpl_vars[0]["representative_picture_id"];
    if (($id) && ($rep = $tpl_vars[0]["representative"])):
      if (($confTemp['method'] == "slide") || ($confTemp['method'] == "square")):
        $derivative_params = ImageStdParams::get_custom(2 * $confTemp['height'] + $confTemp['margin'], 9999);
      else:
        $derivative_params = ImageStdParams::get_custom(9999, 2 * $confTemp['height'] + $confTemp['margin']);
      endif;
      $template->assign('GDThumb_big', new DerivativeImage($derivative_params, $rep['src_image']));
    endif;
  endif;

  return $tpl_vars;
}

function GDThumb_prefilter($content, $smarty) {
  $pattern = '#\<div.*?id\="thumbnails".*?\>\{\$THUMBNAILS\}\</div\>#';
  $replacement = '<ul id="thumbnails">{$THUMBNAILS}</ul>';

  return preg_replace($pattern, $replacement, $content);
}

function GDThumb_admin_menu($menu) {
  array_push($menu,
    array(
      'NAME' => 'gdThumb',
      'URL' => get_root_url() . 'admin.php?page=plugin-' . basename(dirname(__FILE__)),
    )
  );
  return $menu;
}

function GDThumb_remove_thumb_size() {
  global $template;
  $template->clear_assign('image_derivatives');
}

?>