mirror of
https://github.com/EGroupware/egroupware.git
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245 lines
8.0 KiB
PHP
245 lines
8.0 KiB
PHP
<?php
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/**
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* eGroupWare eTemplate Extension - VFS Widgets
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*
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @copyright 2008 by RalfBecker@outdoor-training.de
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* @package etemplate
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* @subpackage extensions
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* @version $Id$
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*/
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/**
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* eTemplate extension to display stuff from the VFS system
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*
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* Contains the following widgets:
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* - vfs aka File name+link: clickable filename, with evtl. clickable path-components
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* - vfs-size aka File size: human readable filesize, eg. 1.4k
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* - vfs-mode aka File mode: posix mode as string eg. drwxr-x---
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* - vfs-mime aka File icon: mime type icon or thumbnail (if configured AND enabled in the user-prefs)
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* - vfs-uid aka File owner: Owner of file, or 'root' if none
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* - vfs-gid aka File group: Group of file, or 'root' if none
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*
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* All widgets accept as value a full path.
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* vfs-mime and vfs itself also allow an array with values like stat (incl. 'path'!) as value.
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* vfs-mime also allows just the mime type as value.
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* All other widgets allow additionally the nummeric value from the stat call (to not call it again).
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*/
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class vfs_widget
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{
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/**
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* exported methods of this class
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*
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* @var array
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*/
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var $public_functions = array(
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'pre_process' => True,
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);
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/**
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* availible extensions and there names for the editor
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*
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* @var array
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*/
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var $human_name = array(
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'vfs' => 'File name+link', // clickable filename, with evtl. clickable path-components
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'vfs-size' => 'File size', // human readable filesize
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'vfs-mode' => 'File mode', // posix mode as string eg. drwxr-x---
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'vfs-mime' => 'File icon', // mime type icon or thumbnail
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'vfs-uid' => 'File owner', // Owner of file, or 'root' if none
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'vfs-gid' => 'File group', // Group of file, or 'root' if none
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);
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/**
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* pre-processing of the extension
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*
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* This function is called before the extension gets rendered
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*
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* @param string $form_name form-name of the control
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* @param mixed &$value value / existing content, can be modified
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* @param array &$cell array with the widget, can be modified for ui-independent widgets
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* @param array &$readonlys names of widgets as key, to be made readonly
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* @param mixed &$extension_data data the extension can store persisten between pre- and post-process
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* @param object &$tmpl reference to the template we belong too
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* @return boolean true if extra label is allowed, false otherwise
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*/
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function pre_process($form_name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
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{
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$type = $cell['type'];
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$readonly = $cell['readonly'] || $readonlys;
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// check if we have a path and not the raw value, in that case we have to do a stat first
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if (in_array($type,array('vfs-size','vfs-mode','vfs-uid','vfs-gid')) && !is_numeric($value))
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{
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if (!$value || !($stat = egw_vfs::stat($value)))
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{
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if ($value) $value = lang("File '%1' not found!",$value);
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$cell = etemplate::empty_cell();
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return true; // allow extra value;
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}
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}
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$cell['type'] = 'label';
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switch($type)
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{
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case 'vfs-size': // option: add size in bytes in brackets
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$value = egw_vfs::hsize($size = is_numeric($value) ? $value : $stat['size']);
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if ($cell['size']) $value .= ' ('.$size.')';
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$cell['type'] = 'label';
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break;
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case 'vfs-mode':
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$value = egw_vfs::int2mode(is_numeric($value) ? $value : $stat['mode']);
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list($span,$class) = explode(',',$cell['span'],2);
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$class .= ($class ? ' ' : '') . 'vfsMode';
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$cell['span'] = $span.','.$class;
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break;
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case 'vfs-uid':
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case 'vfs-gid':
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$uid = !is_numeric($value) ? $stat[$type=='vfs-uid'?'uid':'gid'] : $value;
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$value = !$uid ? 'root' : $GLOBALS['egw']->accounts->id2name($type=='vfs-uid'?$uid:-$uid); // our internal gid's are negative!
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break;
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case 'vfs':
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if (is_array($value))
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{
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$name = $value['name'];
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$path = substr($value['path'],0,-strlen($name)-1);
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$mime = $value['mime'];
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}
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else
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{
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$name = $value;
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$path = '';
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$mime = egw_vfs::mime_content_type($value);
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$value = array();
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}
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if (($cell_name = $cell['name']) == '$row')
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{
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$cell_name = array_pop($arr=explode('][',substr($form_name,0,-1)));
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}
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$cell['name'] = '';
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$cell['type'] = 'hbox';
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$cell['size'] = '0,,0,0';
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foreach($comps=explode('/',$name) as $n => $component)
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{
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if ($n)
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{
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$sep = soetemplate::empty_cell('label','',array('label' => '/'));
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soetemplate::add_child($cell,$sep);
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unset($sep);
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}
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$value['c'.$n] = $component;
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$path .= '/'.$component;
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// replace id's in /apps again with human readable titles
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$path_parts = explode('/',$path);
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if ($path_parts[1] == 'apps')
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{
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switch(count($path_parts))
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{
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case 2:
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$value['c'.$n] = lang('Applications');
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break;
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case 3:
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$value['c'.$n] = lang($path_parts[2]);
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break;
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case 4:
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if (is_numeric($value['c'.$n])) $value['c'.$n] .= egw_link::title($path_parts[2],$path_parts[3]);
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break;
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}
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}
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if (egw_vfs::check_access($path,egw_vfs::READABLE)) // show link only if we have access to the file or dir
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{
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if ($n < count($comps)-1 || $mime == egw_vfs::DIR_MIME_TYPE)
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{
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$value['l'.$n] = '/index.php?menuaction=filemanager.filemanager_ui.index&path='.urlencode($path);
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$target = '';
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}
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else
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{
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$value['l'.$n] = egw_vfs::download_url($path);
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$target = ',,,_blank';
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}
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}
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$comp = etemplate::empty_cell('label',$cell_name.'[c'.$n.']',array(
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'size' => ',@'.$cell_name.'[l'.$n.']'.$target,
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'no_lang' => true,
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'span' => ',vfsFilename'
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));
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etemplate::add_child($cell,$comp);
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unset($comp);
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}
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break;
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case 'vfs-mime':
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if (!$value)
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{
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$cell = etemplate::empty_cell();
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return true;
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}
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if (!is_array($value))
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{
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if ($value[0] == '/' || count(explode('/',$value)) != 2)
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{
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$mime = egw_vfs::mime_content_type($path=$value);
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}
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else
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{
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$mime = $value;
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}
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}
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else
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{
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$path = $value['path'];
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$mime = $value['mime'];
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}
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//error_log(__METHOD__."() type=vfs-mime: value=".array2string($value).": mime=$mime, path=$path");
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$cell['type'] = 'image';
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$cell['label'] = $mime;
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list($mime_main,$mime_sub) = explode('/',$mime);
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if ($mime_main == 'egw')
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{
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$value = $mime_sub.'/navbar'; // egw-applications for link-widget
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$cell['label'] = lang($mime_sub);
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list($span,$class) = explode(',',$cell['span'],2);
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$class .= ($class ? ' ' : '') . 'vfsMimeIcon';
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$cell['span'] = $span.','.$class;
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}
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elseif($path && $mime_main == 'image' && in_array($mime_sub,array('gif','jpeg','jpg','gif','bmp')) &&
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(string)$GLOBALS['egw_info']['server']['link_list_thumbnail'] != '0' &&
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(string)$GLOBALS['egw_info']['user']['preferences']['common']['link_list_thumbnail'] != '0' &&
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// check the size of the image, as too big images get no icon, but a PHP Fatal error: Allowed memory size exhausted
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(!is_array($value) && ($stat = egw_vfs::stat($path)) ? $stat['size'] : $value['size']) < 600000)
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{
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if (substr($path,0,6) == '/apps/')
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{
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$path = parse_url(egw_vfs::resolve_url_symlinks($path),PHP_URL_PATH);
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}
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$value = $GLOBALS['egw']->link('/etemplate/thumbnail.php',array('path' => $path));
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}
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else
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{
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$value = egw_vfs::mime_icon($mime);
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}
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// mark symlinks (check if method exists, to allow etemplate to run on 1.6 API!)
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if (method_exists('egw_vfs','is_link') && egw_vfs::is_link($path))
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{
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$broken = !egw_vfs::stat($path);
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list($span,$class) = explode(',',$cell['span'],2);
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$class .= ($class ? ' ' : '') . ($broken ? 'vfsIsBrokenLink' : 'vfsIsLink');
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$cell['span'] = $span.','.$class;
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$cell['label'] = ($broken ? lang('Broken link') : lang('Link')).': '.egw_vfs::readlink($path).
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(!$broken ? ' ('.$cell['label'].')' : '');
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}
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break;
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default:
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$value = 'Not yet implemented';
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}
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return true;
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}
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}
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