egroupware/filemanager/inc/class.filemanager_select.inc.php

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<?php
/**
* eGroupWare - Filemanager - select file to open or save dialog
*
* @link http://www.egroupware.org
* @package filemanager
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @copyright (c) 2009-2012 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
/**
* Select file to open or save dialog
*
* This dialog can be called from applications to open or store files from the VFS.
*
* There are the following ($_GET) parameters:
* - menuaction=filemanager.filemanager_select.select (required)
* - mode=(open|open-multiple|saveas|select-dir) (required)
* - method=app.class.method (required callback, gets called with id and selected file(s))
* - id=... (optional parameter passed to callback)
* - path=... (optional start path in VFS)
* - mime=... (optional mime-type to limit display to given type)
* - label=... (optional label for submit button, default "Open")
*
* The application calls this method in a popup with size: 640x580 px
* After the user selected one or more files (depending on the mode parameter), the "method" callback gets
* called on server (!) side. Parameters are the id plus the selected files as 1. and 2. parameter.
* The callback returns javascript to eg. update it's UI AND (!) to close the current popup ("window.close();").
*/
class filemanager_select
{
/**
* Methods callable via menuaction
*
* @var array
*/
var $public_functions = array(
'select' => true,
);
/**
* Constructor
*
*/
function __construct()
{
// strip slashes from _GET parameters, if someone still has magic_quotes_gpc on
if (get_magic_quotes_gpc() && $_GET)
{
$_GET = etemplate::array_stripslashes($_GET);
}
}
/**
* File selector
*
* @param array $content
*/
function select(array $content=null)
{
if (!is_array($content))
{
$content = array();
// recover from a failed upload in CkEditor, eg. > max_uploadsize
if ($_GET['failed_upload'] && $_GET['msg'])
{
$content['msg'] = $_GET['msg'];
$_GET['mode'] = 'open';
$_GET['method'] = 'ckeditor_return';
$_GET['CKEditorFuncNum'] = egw_cache::getSession('filemanager','ckeditorfuncnum');
}
$content['mode'] = $_GET['mode'];
if (!in_array($content['mode'],array('open','open-multiple','saveas','select-dir')))
{
throw new egw_exception_wrong_parameter("Wrong or unset required mode parameter!");
}
$content['path'] = $_GET['path'];
if (empty($content['path']))
{
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$content['path'] = egw_session::appsession('select_path','filemanger');
}
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$content['name'] = (string)$_GET['name'];
$content['method'] = $_GET['method'];
if ($content['method'] == 'ckeditor_return')
{
if (isset($_GET['CKEditorFuncNum']) && is_numeric($_GET['CKEditorFuncNum']))
{
egw_cache::setSession('filemanager','ckeditorfuncnum',
$content['ckeditorfuncnum'] = $_GET['CKEditorFuncNum']);
}
else
{
throw new egw_exception_wrong_parameter("chkeditor_return has been specified as a method but some parameters are missing or invalid.");
}
}
$content['id'] = $_GET['id'];
$content['label'] = isset($_GET['label']) ? $_GET['label'] : lang('Open');
if (($content['options-mime'] = isset($_GET['mime'])))
{
$content['options-mime'] = array();
foreach((array)$_GET['mime'] as $key => $value)
{
if (is_numeric($key))
{
$content['options-mime'][$value] = lang('%1 files',strtoupper(mime_magic::mime2ext($value))).' ('.$value.')';
}
else
{
$content['options-mime'][$key] = lang('%1 files',strtoupper($value)).' ('.$key.')';
}
}
list($content['mime']) = each($content['options-mime']);
}
}
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elseif(isset($content['button']))
{
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list($button) = each($content['button']);
unset($content['button']);
switch($button)
{
case 'up':
if ($content['path'] != '/') $content['path'] = egw_vfs::dirname($content['path']);
break;
case 'home':
$content['path'] = filemanager_ui::get_home_dir();
break;
case 'createdir':
if (!@egw_vfs::mkdir($content['path'],null,STREAM_MKDIR_RECURSIVE))
{
$content['msg'] = !egw_vfs::is_writable(dirname($content['path'])) ?
lang('Permission denied!') : lang('Failed to create directory!');
$content['path'] = $content['old_path'];
}
break;
case 'ok':
$copy_result = null;
if (isset($content['file_upload']['name']) && is_uploaded_file($content['file_upload']['tmp_name']))
{
//Set the "content" name filed accordingly to the uploaded file
// encode chars which special meaning in url/vfs (some like / get removed!)
$content['name'] = egw_vfs::encodePathComponent($content['file_upload']['name']);
$to_path = egw_vfs::concat($content['path'],$content['name']);
$copy_result = (egw_vfs::is_writable($content['path']) || egw_vfs::is_writable($to)) &&
copy($content['file_upload']['tmp_name'],egw_vfs::PREFIX.$to_path);
}
//Break on an error condition
if ((($content['mode'] == 'open' || $content['mode'] == 'saveas') && ($content['name'] == '')) || ($copy_result === false))
{
if ($copy_result === false)
{
$content['msg'] = lang('Error uploading file!');
}
else
{
$content['msg'] = lang('Filename must not be empty!');
}
$content['name'] = '';
break;
}
switch($content['mode'])
{
case 'open-multiple':
foreach((array)$content['dir']['selected'] as $name)
{
$files[] = egw_vfs::concat($content['path'],$name);
}
//Add an uploaded file to the files result array2string
if ($copy_result === true) $files[] = $to_path;
break;
case 'select-dir':
$files = $content['path'];
break;
default:
$files = egw_vfs::concat($content['path'],$content['name']);
break;
}
if ($content['method'] != 'ckeditor_return')
{
$js = ExecMethod2($content['method'],$content['id'],$files);
}
else
{
$download_url = egw_vfs::download_url(egw_vfs::concat($content['path'],$content['name']));
if ($download_url[0] == '/') $download_url = egw::link($download_url);
$js = "window.opener.CKEDITOR.tools.callFunction(".
$content['ckeditorfuncnum'].",'".
htmlspecialchars($download_url)."',".
"'');\nwindow.close();";
}
header('Content-type: text/html; charset='.translation::charset());
echo "<html>\n<head>\n<script type='text/javascript'>\n$js\n</script>\n</head>\n</html>\n";
common::egw_exit();
}
}
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elseif(isset($content['apps']))
{
list($app) = each($content['apps']);
if ($app == 'home') $content['path'] = filemanager_ui::get_home_dir();
}
//Deactivate the opload field if the current directory is not writeable or
//we're currently not in the single file open mode.
$content['no_upload'] = !egw_vfs::is_writable($content['path']) ||
!in_array($content['mode'],array('open'));
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$content['apps'] = array_keys(self::get_apps());
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if (isset($app))
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{
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$content['path'] = '/apps/'.(isset($content['apps'][$app]) ? $content['apps'][$app] : $app);
}
if ((substr($content['path'],0,strlen('/apps/favorites/')) == '/apps/favorites/' /*|| // favorites the imediatly resolved
egw_vfs::is_link($content['path'])*/) && // we could replace all symlinks with the link, to save space in the URL
$link = egw_vfs::readlink($content['path']))
{
$content['path'] = $link[0] == '/' ? $link : egw_vfs::concat($content['path'],'../'.$link);
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}
if (!$content['path'] || !egw_vfs::is_dir($content['path']))
{
$content['path'] = filemanager_ui::get_home_dir();
}
$tpl = new etemplate('filemanager.select');
$et2 = class_exists('etemplate_widget', false) && is_a($tpl, 'etemplate_widget');
if (!($files = egw_vfs::find($content['path'],array(
'dirsontop' => true,
'order' => 'name',
'sort' => 'ASC',
'maxdepth' => 1,
))))
{
$content['msg'] = lang("Can't open directory %1!",$content['path']);
}
else
{
$n = 0;
$content['dir'] = array('mode' => $content['mode']);
foreach($files as $path)
{
if ($path == $content['path']) continue; // remove directory itself
$name = egw_vfs::basename($path);
$is_dir = egw_vfs::is_dir($path);
$mime = egw_vfs::mime_content_type($path);
if ($content['mime'] && !$is_dir && $mime != $content['mime'])
{
continue; // does not match mime-filter --> ignore
}
$content['dir'][$n] = array(
'name' => $name,
'path' => $path,
'mime' => $mime,
'onclick' => $is_dir ? "return select_goto('".addslashes($path)."'".($et2?',widget':'').");" :
($content['mode'] != 'open-multiple' ? "return select_show('".addslashes($name)."');" :
"return select_toggle('".addslashes($name)."');"),
);
if ($is_dir && $content['mode'] == 'open-multiple')
{
$readonlys['selected['.$name.']'] = true;
}
++$n;
}
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if (!$n) $readonlys['selected[]'] = true; // remove checkbox from empty line
}
$readonlys['button[createdir]'] = !egw_vfs::is_writable($content['path']);
$content['js'] = '<script type="text/javascript">
function select_goto(to,widget)
{
path = document.getElementById("exec[path]");
if(path)
{
path.value = to;
path.form.submit();
}
else if (widget)
{
var path = null;
// Cannot do this, there are multiple widgets named path
// widget.getRoot().getWidgetById("path");
widget.getRoot().iterateOver(function(widget) {
if(widget.id == "path") path = widget;
},null, et2_textbox);
if(path)
{
path.set_value(to);
path.getInstanceManager().postSubmit();
}
}
return false;
}
function select_show(file)
{
var editfield = document.getElementById("exec[name]");
editfield.value = file;
return false;
}
function select_toggle(file)
{
checkbox = document.getElementById("exec[dir][selected]["+file+"]");
if (checkbox) checkbox.checked = !checkbox.checked;
return false;
}
</script>
';
// scroll to end of path
$GLOBALS['egw']->js->set_onload("var p = document.getElementById('exec[path][c". (count(explode('/',$content['path']))-1) ."]'); if (p) p.scrollIntoView();");
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//_debug_array($readonlys);
egw_session::appsession('select_path','filemanger',$content['path']);
$preserve = array(
'mode' => $content['mode'],
'method' => $content['method'],
'id' => $content['id'],
'label' => $content['label'],
'mime' => $content['mime'],
'options-mime' => $content['options-mime'],
'old_path' => $content['path'],
);
if (isset($content['ckeditorfuncnum']))
{
$preserve['ckeditorfuncnum'] = $content['ckeditorfuncnum'];
$preserve['ckeditor'] = $content['ckeditor'];
}
$tpl->exec('filemanager.filemanager_select.select',$content,$sel_options,$readonlys,$preserve,2);
}
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/**
* Get a list off all apps having an application directory in VFS
*
* @return array
*/
static function get_apps()
{
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$apps = array(false); // index starting from 1
if (isset($GLOBALS['egw_info']['apps']['stylite'])) $apps = array('favorites' => lang('Favorites'));
$apps += egw_link::app_list('query');
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unset($apps['mydms']); // they do NOT support adding files to VFS
unset($apps['wiki']);
unset($apps['home-accounts']);
unset($apps['addressbook-email']);
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return $apps;
}
}