source: extensions/GooglePlusOne/main.inc.php @ 19396

<?php
/*
Plugin Name: Google+1
Version: auto
Description: Add a "+1" Google button
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=562
Author: Mistic
Author URI: http://www.strangeplanet.fr
*/

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

define('GPLUS1_PATH' , PHPWG_PLUGINS_PATH . basename(dirname(__FILE__)) . '/');

load_language('plugin.lang', GPLUS1_PATH);
add_event_handler('loc_end_picture', 'gplus1_add_button');
add_event_handler('loc_end_index', 'gplus1_add_button');


function gplus1_add_button() 
{
  global $conf, $template, $user;
  
  $conf['GooglePlusOne'] = unserialize($conf['GooglePlusOne']);
  $conf['GooglePlusOne']['lang'] = array(
    'ar','bg','ca','zh-CN','zh-TW','hr','cs','da','nl','en-US','en-GB','et','fi','fr','de',
    'el','iw','hi','hu','id','it','ja','ko','lv','lt','ms','no','fa','pl','pt-BR','pt-PT',
    'ro','ru','sr','sk','sl','es','sv','th','tr','uk','vi',
    );
  
  // urls and position
  if (script_basename() == 'picture')
  {
    $template->assign('GPLUS1_URL', get_absolute_root_url().ltrim(duplicate_picture_url(), './'));
  }
  else if (script_basename() == 'index')
  {
    $conf['GooglePlusOne']['position'] = 'index';
    $template->assign('GPLUS1_URL', get_absolute_root_url().ltrim(duplicate_index_url(array(), array('start')), './'));
  }
  else
  {
    return;
  }
  
  // if the link is in the toolbar, we must use smallier buttons
  if ( script_basename() == 'index' OR  $conf['GooglePlusOne']['position'] == 'toolbar')
  {
    if ($conf['GooglePlusOne']['size'] == 'tall' AND $conf['GooglePlusOne']['annotation'] == 'bubble')
    {
      $conf['GooglePlusOne']['size'] = 'standard';
    }
  }
  
  // config
  $template->assign(array(
    'GPLUS1_SIZE' => $conf['GooglePlusOne']['size'],
    'GPLUS1_ANNO' => $conf['GooglePlusOne']['annotation'],
    'GPLUS1_POSITON' => $conf['GooglePlusOne']['position'],
  ));
  
  // button language
  if ( in_array(str_replace('_','-',$user['language']), $conf['GooglePlusOne']['lang']) )
  {
    $template->assign('GPLUS1_LANG', str_replace('_','-',$user['language']));
  }
  if ( in_array(substr($user['language'],0,2), $conf['GooglePlusOne']['lang']) )
  {
    $template->assign('GPLUS1_LANG', substr($user['language'],0,2));
  }
  else
  {
    $template->assign('GPLUS1_LANG', 'en-GB');
  }
  
  
  $template->set_filename('gplus1_button', dirname(__FILE__).'/button.tpl');
  $button = $template->parse('gplus1_button', true);
  
  switch ($conf['GooglePlusOne']['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('GPLUS1_BUTTON', $button);
      $template->set_prefilter('picture', 'gplus1_add_button_prefilter');
  }
}

function gplus1_add_button_prefilter($content, &$smarty)
{
  global $template;
  
  switch ($template->get_template_vars('GPLUS1_POSITION'))
  {
    case 'top':
      $search = '<div id="theImage">';
      $replace = '<div>{$GPLUS1_BUTTON}</div>';
      break;
      
    case 'bottom':
      $search = '{$ELEMENT_CONTENT}';
      $replace = '{$GPLUS1_BUTTON}';
      break;
  }

  return str_replace($search, $search.$replace, $content);
}


if (script_basename() == 'admin')
{
  add_event_handler('get_admin_plugin_menu_links', 'gplus1_plugin_admin_menu');

  function gplus1_plugin_admin_menu($menu)
  {
    array_push($menu, array(
      'NAME' => 'Google+1',
      'URL' => get_root_url().'admin.php?page=plugin-'.basename(dirname(__FILE__))
      ));
    return $menu;
  }
}

?>