<?php
/*
Plugin Name: Image Preview
Version: 1.3.12
Description: give an image preview when the mouve is over a thumbnail
Plugin URI: http://piwigo.org/ext/extension_view.php?eid=551
Author: Flop25
Author URI: http://www.planete-flop.fr/
Has Settings: webmaster
*/
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
define('IMGP_DIR' , basename(dirname(__FILE__)));
define('IMGP_PATH' , PHPWG_PLUGINS_PATH . IMGP_DIR . '/');

/** thumbnails.tpl **/
add_event_handler('loc_end_index_thumbnails', 'imgpreview_thumbnails');
function imgpreview_thumbnails($tpl_thumbnails_var)
{
  global $template, $conf ;

  $conf_imgp = explode("#" , $conf['imgpreview']);
  $imgpreview=array( 'width' => $conf_imgp[0], 'height' => $conf_imgp[1], 'title' => $conf_imgp[2], 'opacity' => $conf_imgp[3] , 'preloadImages' => $conf_imgp[4] );
  $template->assign(array(
    'imgpreview' => $imgpreview
  ));

  $template->set_prefilter('index_thumbnails', 'imgpreview_prefilter_thumbnails');
  $template->set_prefilter('stuffs', 'imgpreview_prefilter_thumbnails');
  $dir=dirname(__FILE__).'/css_js.tpl';
  $template->set_filenames(array(
    'imgpreview_css_js' => realpath($dir),
    )  );
  $template->assign_var_from_handle('IMGPREVIEW', 'imgpreview_css_js');

  return $tpl_thumbnails_var;
}

function imgpreview_prefilter_thumbnails($content)
{
  global $template;
  $search = 'href="{$thumbnail.URL}"';

  if (version_compare(PHPWG_VERSION, '2.4', '>='))
  {
  $replacement = 'href="{$thumbnail.URL}" {define_derivative name=\'derivative_imgprev\' width=$imgpreview.width height=$imgpreview.height crop=false}{assign var=d_imgprev value=$pwg->derivative($derivative_imgprev, $thumbnail.src_image)} imgsrc="{$d_imgprev->get_url()}" data-tittle="{$thumbnail.NAME}"';
  }
  else {
    $replacement = 'href="{$thumbnail.URL}" imgsrc="{$thumbnail.FILE_PATH}" data-tittle="{$thumbnail.NAME}"';
  }
  $content= str_replace($search, $replacement, $content);

  $content='{$IMGPREVIEW}'.$content;
  return $content;
}
?>

<?php

function plugin_install()
{
    global $prefixeTable;
    $q = '
INSERT INTO ' . CONFIG_TABLE . ' (param,value,comment)
  VALUES
  ("imgpreview" , "400#600#true#true#false" , "max-width#max-height#title#opacity#preloadImages");';
    pwg_query($q);

}



function plugin_activate()
{
  global $prefixeTable, $conf;
  //////////// Check Config
  $query = '
  SELECT COUNT(*) AS result FROM '.CONFIG_TABLE.'
  WHERE param IN (\'imgpreview\')
  ;';
  $data_table = pwg_db_fetch_assoc(pwg_query($query));
  $exist = $data_table['result'];
  if ( $exist == 0 )
  {
    plugin_install();
  } 
  else {
    load_conf_from_db();

    if (count(explode("#" , $conf['imgpreview']))!=5)
    {
      pwg_query('DELETE FROM '.CONFIG_TABLE.' WHERE param IN (\'imgpreview\')');
      pwg_query($q);
      plugin_install();
    }
  }
}//fin active




function plugin_uninstall()
{
  global $prefixeTable;
  pwg_query('DELETE FROM '.CONFIG_TABLE.' WHERE param IN (\'imgpreview\')');
}//fin uninstall


?>