<?php
/*
Plugin Name: metasimple
Version: 2.1.0
Description: Replaces the entire contents of the metadata "description" with the category description or pictures if any. Ability to customize the description of the home page
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=456
Author: ddtddt
Author URI: http://piwigo.org/
*/

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

global $prefixeTable;

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


add_event_handler('loc_begin_page_header', 'add_metadescacc',55);
add_event_handler('loc_begin_page_header', 'add_metadesccat',60);
add_event_handler('loc_begin_page_header', 'add_metadescimg',70);
add_event_handler('loc_after_page_header', 'set_metadesc_back',80);

function add_metadescacc()
  //meta homepage
	{
		global $template, $page, $meta_infosdesc;
	$meta_infosdesc = array();
	$meta_infosdesc['info'] = $template->get_template_vars('INFO_FILE');
	$meta_infosdesc['page'] = $template->get_template_vars('PAGE_TITLE');
	$meta_infosdesc['comment'] = $template->get_template_vars('COMMENT_IMG');
  
  if (isset($page['section']) and $page['section'] == 'categories' and empty($page['category']['id']))
		{
		$descindex='ttz';
  				if (!empty($descindex))
					{
						$template->assign('COMMENT_IMG', $descindex);
						$template->clear_assign('INFO_FILE');
					}
		}
	}

function add_metadesccat()
	{
		global $template, $page, $meta_infosdesc;
	$meta_infosdesc = array();
	$meta_infosdesc['info'] = $template->get_template_vars('INFO_FILE');
	$meta_infosdesc['page'] = $template->get_template_vars('PAGE_TITLE');
	$meta_infosdesc['comment'] = $template->get_template_vars('COMMENT_IMG');
			  if ( !empty($page['category']['id']) )   
				{
    $query = '
    select id,comment
      FROM ' . CATEGORIES_TABLE . '
      WHERE id = \''.$page['category']['id'].'\'
      ;';
    $result = pwg_query($query);
    $row = mysql_fetch_array($result);
		if (!empty($row['comment']))
			{
				$template->assign('COMMENT_IMG', $row['comment']);
				$template->clear_assign('INFO_FILE');
			}
				}
	}

function add_metadescimg()
	{
		global $template, $page, $meta_infosdesc;
	$meta_infosdesc = array();
	$meta_infosdesc['info'] = $template->get_template_vars('INFO_FILE');
	$meta_infosdesc['page'] = $template->get_template_vars('PAGE_TITLE');
	$meta_infosdesc['comment'] = $template->get_template_vars('COMMENT_IMG');
			  if ( !empty($page['image_id']) )   
				{
    $query = '
    select id,comment
      FROM ' . IMAGES_TABLE . '
      WHERE id = \''.$page['image_id'].'\'
      ;';
    $result = pwg_query($query);
    $row = mysql_fetch_array($result);
		if (!empty($row['comment']))
			{
				$template->assign('COMMENT_IMG', $row['comment']);
				$template->clear_assign('INFO_FILE');
			}
				}
	}

function set_metadesc_back()
	{
		global $template, $meta_infosdesc;
  
		$template->assign
			(array
				(
		'INFO_FILE'    => $meta_infosdesc['info'],
		'COMMENT_IMG'    => $meta_infosdesc['comment']
				)
			);
	}
?>