egroupware_official/phpgwapi/inc/class.egw_vfs_utils.inc.php

75 lines
2.1 KiB
PHP

<?php
/**
* eGroupWare API: VFS - static methods to use the new eGW virtual file system
*
* @link http://www.egroupware.org
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package api
* @subpackage vfs
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @author Andreas Stöckel <as@stylite.de>
* @version $Id$
*/
class egw_vfs_utils
{
/**
* Returns the URL to the thumbnail of the given file. The thumbnail may simply
* be the mime-type icon, or - if activated - the preview with the given thsize.
*
* @param string $file name of the file
* @param int $thsize the size of the preview - false if the default should be used.
* @param string $mime if you already know the mime type of the file, you can supply
* it here. Otherwise supply "false".
*/
public static function thumbnail_url($file, $thsize = false, $mime = false)
{
// Retrive the mime-type of the file
if (!$mime)
{
$mime = egw_vfs::mime_content_type($file);
}
$image = "";
// Seperate the mime type into the primary and the secondary part
list($mime_main, $mime_sub) = explode('/', $mime);
if ($mime_main == 'egw')
{
$image = $GLOBALS['egw']->common->image($mime_sub, 'navbar');
}
else if ($file && $mime_main == 'image' && in_array($mime_sub, array('png','jpeg','jpg','gif','bmp')) &&
(string)$GLOBALS['egw_info']['server']['link_list_thumbnail'] != '0' &&
(string)$GLOBALS['egw_info']['user']['preferences']['common']['link_list_thumbnail'] != '0' &&
(!is_array($value) && ($stat = egw_vfs::stat($file)) ? $stat['size'] : $value['size']) < 1500000)
{
if (substr($file, 0, 6) == '/apps/')
{
$file = parse_url(egw_vfs::resolve_url_symlinks($path), PHP_URL_PATH);
}
//Assemble the thumbnail parameters
$thparams = array();
$thparams['path'] = $file;
if ($thsize)
{
$thparams['thsize'] = $thsize;
}
$image = $GLOBALS['egw']->link('/etemplate/thumbnail.php', $thparams);
}
else
{
list($app, $name) = explode("/", egw_vfs::mime_icon($mime), 2);
$image = $GLOBALS['egw']->common->image($app, $name);
}
return $image;
}
}