source: extensions/imgpreview/main.inc.php @ 21022

<?php
/*
Plugin Name: Image Preview
Version: auto
Description: give an image preview when the mouve is over a thumbnail
Plugin URI: http://phpwebgallery.net/ext/extension_view.php?eid=551
Author: Flop25
Author URI: http://www.planete-flop.fr/
*/
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
define('IMGP_DIR' , basename(dirname(__FILE__)));
define('IMGP_PATH' , PHPWG_PLUGINS_PATH . IMGP_DIR . '/');
add_event_handler('get_admin_plugin_menu_links', 'imgpreview_lien_menu');
function imgpreview_lien_menu($menu)
{
        
    array_push(
                        $menu,
                        array('NAME' => 'Image Preview',
            'URL'  => get_admin_plugin_menu_link(get_root_url().'plugins/'.IMGP_DIR.'/admin/admin.php')
                                                )
                );
    return $menu;
}
/** thumbnails.tpl **/
add_event_handler('loc_end_index_thumbnails', 'imgpreview_thumbnails');
function imgpreview_thumbnails($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($content, &$smarty)
{
        global $template;
  $search = 'href="{$thumbnail.URL}"';
  if ( defined('PHPWG_VERSION') and (strpos(PHPWG_VERSION, "2.4")!==false or  strpos(PHPWG_VERSION, "2.5")!==false) )
  {
  $replacement = 'href="{$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;
}
?>