source: extensions/TweetThis/main.inc.php @ 19848

<?php
/*
Plugin Name: TweetThis
Version: auto
Description: Add a "Tweet This" button on picture pages
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=560
Author: Mistic
Author URI: http://www.strangeplanet.fr
*/

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

define('TWEET_PATH' , PHPWG_PLUGINS_PATH . basename(dirname(__FILE__)) . '/');

load_language('plugin.lang', TWEET_PATH);
add_event_handler('loc_end_picture', 'tweet_add_button');
add_event_handler('loc_end_index', 'tweet_add_button');


function tweet_add_button() 
{
  global $conf, $template, $user;
  
  $conf['TweetThis'] = unserialize($conf['TweetThis']);
  $conf['TweetThis']['lang'] = array(
    'no','de','zh-cn','en','pl','sv','zh-tw','tr','es','th','fa','hu','pt','it','ar','he',
    'ko','id','ru','ja','da','fi','hi','ur','fr','nl',
    );
  
  // urls and position
  if (script_basename() == 'picture')
  {
    $template->assign('TWEET_URL', get_absolute_root_url().ltrim(duplicate_picture_url(), './'));
  }
  else if (script_basename() == 'index')
  {
    $conf['TweetThis']['position'] = 'index';
    $template->assign('TWEET_URL', get_absolute_root_url().ltrim(duplicate_index_url(array(), array('start')), './'));
  }
  else
  {
    return;
  }
  
  // config
  $template->assign(array(
    'TWEET_POSITION' => $conf['TweetThis']['position'],
    'TWEET_SIZE' => $conf['TweetThis']['size'],
    'TWEET_COUNT' => $conf['TweetThis']['count'],
    'TWEET_VIA' => $conf['TweetThis']['via'],
  ));
  
  // button language
  if ( in_array(str_replace('_','-',strtolower($user['language'])), $conf['TweetThis']['lang']) )
  {
    $template->assign('TWEET_LANG', str_replace('_','-',strtolower($user['language'])));
  }
  if ( in_array(substr($user['language'],0,2), $conf['TweetThis']['lang']) )
  {
    $template->assign('TWEET_LANG', substr($user['language'],0,2));
  }
  else
  {
    $template->assign('TWEET_LANG', 'en');
  }
  
  
  $template->set_filename('tweet_button', dirname(__FILE__).'/button.tpl');
  $button = $template->parse('tweet_button', true);
  
  switch ($conf['TweetThis']['position'])
  {
    case 'index':
      // $template->add_index_button('<li>'.$button.'</li>', 100);
      $template->concat('PLUGIN_INDEX_ACTIONS', '<li>'.$button.'</li>');
      break;
    case 'toolbar':
      // $template->add_picture_button($button, 100);
      $template->concat('PLUGIN_PICTURE_ACTIONS', $button);
      break;
    default;
      $template->assign('TWEET_BUTTON', $button);
      $template->set_prefilter('picture', 'tweet_add_button_prefilter');
  }
}

function tweet_add_button_prefilter($content, &$smarty)
{
  global $template;
  
  switch ($template->get_template_vars('TWEET_POSITION'))
  {
    case 'top':
      $search = '<div id="theImage">';
      $replace = '<div>{$TWEET_BUTTON}</div>';
      break;
      
    case 'bottom':
      $search = '{$ELEMENT_CONTENT}';
      $replace = '{$TWEET_BUTTON}';
      break;
  }
  
  return str_replace($search, $search.$replace, $content);
}


if (script_basename() == 'admin')
{
  add_event_handler('get_admin_plugin_menu_links', 'tweet_plugin_admin_menu');

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

?>