<?php
/*
Plugin Name: Add < head > element
Version: auto
Description: Add element to tag < head >
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=582
Author: ddtddt
Author URI: http://temmii.com/piwigo/
Has Settings: webmaster
*/

// +-----------------------------------------------------------------------+
// | Add < head > element plugin for piwigo by TEMMII                      |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2011 - 2021 ddtddt             http://temmii.com/piwigo/ |
// +-----------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify  |
// | it under the terms of the GNU General Public License as published by  |
// | the Free Software Foundation                                          |
// |                                                                       |
// | This program is distributed in the hope that it will be useful, but   |
// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
// | General Public License for more details.                              |
// |                                                                       |
// | You should have received a copy of the GNU General Public License     |
// | along with this program; if not, write to the Free Software           |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA.                                                                  |
// +-----------------------------------------------------------------------+

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

global $prefixeTable;

define('AHE_DIR' , basename(dirname(__FILE__)));
define('AHE_PATH' , PHPWG_PLUGINS_PATH . AHE_DIR . '/');
define('AHE_ADMIN' , get_root_url().'admin.php?page=plugin-'.AHE_DIR);

add_event_handler('loading_lang', 'Add_head_element_loading_lang');	  
function Add_head_element_loading_lang(){
  load_language('plugin.lang', AHE_PATH);
}

//add in <head>
add_event_handler('loc_begin_page_header', 'AHE1',20 );
function AHE1(){
  global $template,$conf;
  if (isset($conf['add_head_element_apply_on'])){
    if (!is_array($conf['add_head_element_apply_on'])){
      $conf['add_head_element_apply_on'] = explode(',', $conf['add_head_element_apply_on']);
    }

    if (defined('IN_ADMIN') and IN_ADMIN){
      // we are in the administration
      if (!in_array('admin', $conf['add_head_element_apply_on'])){
        return;
      }
    }else{
      // we are in the gallery
      if (!in_array('gallery', $conf['add_head_element_apply_on'])){
        return;
      }
    }
  }
	if (!empty($conf['add_head_element'])){
    $template->append('head_elements', $conf['add_head_element']);
	}
}
?>