source: extensions/thumbCropper/main.inc.php @ 24623

<?php
/*
Plugin Name: Thumb Cropper
Version: 0.4
Description: enables to customize image thumbnails
Plugin URI: http://fr.piwigo.org/ext/extension_view.php?eid=581
*/
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
include_once(PHPWG_ROOT_PATH.'admin/include/functions_upload.inc.php');

add_event_handler('ws_add_methods', 'add_tc_method');
add_event_handler('loc_begin_admin', 'tc_init_prefilter', 50); 

function add_tc_method($arr) {
  include_once('ws_functions.inc.php');
}

function tc_init_prefilter() {
  global $template;
  global $row,$conf;
  
  if (script_basename() != 'admin')
    return;
  if (isset($_GET['image_id'])) {
    $query = '
    SELECT *
      FROM '.IMAGES_TABLE.'
      WHERE id = '.$_GET['image_id'].'
    ;';
    $row = pwg_db_fetch_assoc(pwg_query($query));
    $thumb_data = array(
      'x1' => 0,
      'y1' => 0,
      'x2' => $row['width'],
      'y2' => $row['height'],
      'width' => $conf['upload_form_thumb_maxwidth'],
      'height' => $conf['upload_form_thumb_maxheight'],
    );
    
    $template->assign(array(
      'IMG_SRC' => get_image_url($row),
      'IMG_WIDTH' => $row['width'],
      'IMG_HEIGHT' => $row['height'],
      'IMG_ID' => $_GET['image_id'],
      'thumb_data' => $thumb_data,
      'TC_PWG_TOKEN' => get_pwg_token()
    ));
    $template->set_prefilter('picture_modify','tc_prefilter');
    load_language('plugin.lang', dirname(__FILE__).'/');
  }
}

function tc_prefilter($content,&$smarty) {

  $pattern = '#(<ul class="categoryActions">.*?)</ul>#s';

  $replacement = '$1'.
    '<li><a href="#thumbcropper" class="cbinline" title="{\'Edit thumbnail\'|@translate}">'.
    '<img src="plugins/thumbCropper/thumbcropper.png" alt="{\'Edit thumbnail\'|@translate}">'.
    '</a></li></ul>'.
    '{include file="'.str_replace("\\","/",(dirname(__FILE__))).'/thumbcropper.tpl"}';
    
  return preg_replace($pattern, $replacement, $content);
}

?>