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- <?php // $Id: document.inc.php 17072 2008-12-04 21:54:56Z yannoo $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2008 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) various contributors
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
- Mail: info@dokeos.com
- ==============================================================================
- */
- /*
- ==============================================================================
- EXTRA FUNCTIONS FOR DOCUMENT.PHP/UPLOAD.PHP
- ==============================================================================
- /////////////////////////////////////////////////
- //--> leave these here or move them elsewhere? //
- /////////////////////////////////////////////////
- */
- /**
- * Builds the form thats enables the user to
- * select a directory to browse/upload in
- *
- * @param array An array containing the folders we want to be able to select
- * @param string The current folder (path inside of the "document" directory, including the prefix "/")
- * @param string Group directory, if empty, prevents documents to be uploaded (because group documents cannot be uploaded in root)
- * @param boolean Whether to change the renderer (this will add a template <span> to the QuickForm object displaying the form)
- * @return string html form
- */
- function build_directory_selector($folders,$curdirpath,$group_dir='',$changeRenderer=false)
- {
- $folder_titles = array();
- if(get_setting('use_document_title') == 'true')
- {
- if (is_array($folders))
- {
- $escaped_folders = array();
- foreach($folders as $key=>$val){$escaped_folders[$key] = Database::escape_string($val);}
- $folder_sql = implode("','",$escaped_folders);
- $doc_table = Database::get_course_table(TABLE_DOCUMENT);
- $sql = "SELECT * FROM $doc_table WHERE filetype='folder' AND path IN ('".$folder_sql."')";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $folder_titles = array();
- while($obj = Database::fetch_object($res))
- {
- $folder_titles[$obj->path] = $obj->title;
- }
- }
- }
- else
- {
- foreach($folders as $folder)
- {
- $folder_titles[$folder] = basename($folder);
- }
- }
-
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
- $form = new FormValidator('selector','POST',api_get_self());
-
- $parent_select = $form->addElement('select', 'curdirpath', get_lang('CurrentDirectory'),'','onchange="javascript:document.selector.submit()"');
-
- if($changeRenderer==true){
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<span>{label} : {element}</span> ','curdirpath');
- }
-
- //group documents cannot be uploaded in the root
- if(empty($group_dir))
- {
- $parent_select -> addOption(get_lang('HomeDirectory'),'/');
- if(is_array($folders))
- {
- foreach ($folders as $folder)
- {
- $selected = ($curdirpath==$folder)?' selected="selected"':'';
- $path_parts = explode('/',$folder);
- $label = str_repeat(' ',count($path_parts)-2).' — '.$folder_titles[$folder];
- $parent_select -> addOption($label,$folder);
- if($selected!='') $parent_select->setSelected($folder);
- }
- }
- }
- else
- {
- foreach ($folders as $folder)
- {
- $selected = ($curdirpath==$folder)?' selected="selected"':'';
- $label = $folder_titles[$folder];
- if( $folder == $group_dir)
- {
- $label = '/ ('.get_lang('HomeDirectory').')';
- }
- else
- {
- $path_parts = explode('/',str_replace($group_dir,'',$folder));
- $label = str_repeat(' ',count($path_parts)-2).' — '.$label;
- }
- $parent_select -> addOption($label,$folder);
- if($selected!='') $parent_select->setSelected($folder);
- }
- }
-
- $form=$form->toHtml();
- return $form;
- }
- /**
- * Create a html hyperlink depending on if it's a folder or a file
- *
- * @param string $www
- * @param string $title
- * @param string $path
- * @param string $filetype (file/folder)
- * @param int $visibility (1/0)
- * @return string url
- */
- function create_document_link($www,$title,$path,$filetype,$size,$visibility)
- {
- global $dbl_click_id;
- if(isset($_SESSION['_gid']))
- {
- $req_gid = '&gidReq='.$_SESSION['_gid'];
- }
- else
- {
- $req_gid = '';
- }
- $url_path = urlencode($path);
- //add class="invisible" on invisible files
- $visibility_class= ($visibility==0)?' class="invisible"':'';
- //build download link (icon)
- $forcedownload_link=($filetype=='folder')?api_get_self().'?'.api_get_cidreq().'&action=downloadfolder&path='.$url_path.$req_gid:api_get_self().'?'.api_get_cidreq().'&action=download&id='.$url_path.$req_gid;
- //folder download or file download?
- $forcedownload_icon=($filetype=='folder')?'folder_zip.gif':'filesave.gif';
- //prevent multiple clicks on zipped folder download
- $prevent_multiple_click =($filetype=='folder')?" onclick=\"javascript:if(typeof clic_$dbl_click_id == 'undefined' || clic_$dbl_click_id == false) { clic_$dbl_click_id=true; window.setTimeout('clic_".($dbl_click_id++)."=false;',10000); } else { return false; }\"":'';
- $target='_top';
- if($filetype=='file') {
- //check the extension
- $ext=explode('.',$path);
- $ext=strtolower($ext[sizeof($ext)-1]);
- //"htmlfiles" are shown in a frameset
- if($ext == 'htm' || $ext == 'html' || $ext == 'gif' || $ext == 'jpg' || $ext == 'jpeg' || $ext == 'png')
- {
- $url = "showinframes.php?".api_get_cidreq()."&file=".$url_path.$req_gid;
- }
- else
- {
- //url-encode for problematic characters (we may not call them dangerous characters...)
- $path = str_replace('%2F', '/',$url_path).'?'.api_get_cidreq();
- $url=$www.$path;
- }
- //files that we want opened in a new window
- if($ext=='txt') //add here
- {
- $target='_blank';
- }
- }
- else
- {
- $url=api_get_self().'?'.api_get_cidreq().'&curdirpath='.$url_path.$req_gid;
- }
- //the little download icon
- $force_download_html = ($size==0)?'':'<a href="'.$forcedownload_link.'" style="float:right"'.$prevent_multiple_click.'>'.Display::return_icon($forcedownload_icon, get_lang('Download'),array('height'=>'16', 'width' => '16')).'</a>';
-
- $tooltip_title = str_replace('?cidReq='.$_GET['cidReq'],'',basename($path));
- return '<a href="'.$url.'" title="'.$tooltip_title.'" target="'.$target.'"'.$visibility_class.' style="float:left">'.$title.'</a>'.$force_download_html;
- }
- /**
- * Builds an img html tag for the filetype
- *
- * @param string $type (file/folder)
- * @param string $path
- * @return string img html tag
- */
- function build_document_icon_tag($type,$path)
- {
- $icon='folder_document.gif';
- if($type=='file')
- {
- $icon=choose_image(basename($path));
- }
- return Display::return_icon($icon, '', array('hspace'=>'5', 'align' => 'middle'));
- }
- /**
- * Creates the row of edit icons for a file/folder
- *
- * @param string $curdirpath current path (cfr open folder)
- * @param string $type (file/folder)
- * @param string $path dbase path of file/folder
- * @param int $visibility (1/0)
- * @param int $id dbase id of the document
- * @return string html img tags with hyperlinks
- */
- function build_edit_icons($curdirpath,$type,$path,$visibility,$id,$is_template,$is_read_only=0)
- {
- if(isset($_SESSION['_gid']))
- {
- $req_gid = '&gidReq='.$_SESSION['_gid'];
- }
- else
- {
- $req_gid = '';
- }
- //build URL-parameters for table-sorting
- $sort_params = array();
- if( isset($_GET['column']))
- {
- $sort_params[] = 'column='.$_GET['column'];
- }
- if( isset($_GET['page_nr']))
- {
- $sort_params[] = 'page_nr='.$_GET['page_nr'];
- }
- if( isset($_GET['per_page']))
- {
- $sort_params[] = 'per_page='.$_GET['per_page'];
- }
- if( isset($_GET['direction']))
- {
- $sort_params[] = 'direction='.$_GET['direction'];
- }
- $sort_params = implode('&',$sort_params);
- $visibility_icon = ($visibility==0)?'invisible':'visible';
- $visibility_command = ($visibility==0)?'set_visible':'set_invisible';
- $curdirpath = urlencode($curdirpath);
-
- $modify_icons = '';
-
- if ($is_read_only)
- {
- $modify_icons = Display::return_icon('edit_na.gif', get_lang('Modify'));
- $modify_icons .= ' '.Display::return_icon('delete.gif', get_lang('Delete'));
- $modify_icons .= ' '.Display::return_icon('deplacer_fichier_na.gif', get_lang('Move'));
- $modify_icons .= ' '.Display::return_icon($visibility_icon.'_na.gif', get_lang('Visible'));
- }
- else
- {
- $modify_icons = '<a href="edit_document.php?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&file='.urlencode($path).$req_gid.'"><img src="../img/edit.gif" border="0" title="'.get_lang('Modify').'" alt="" /></a>';
- if (strcmp($path,'/audio')===0 or strcmp($path,'/flash')===0 or strcmp($path,'/images')===0) {
- $modify_icons .= ' <img src="../img/delete_na.gif" border="0" title="'.get_lang('Delete').'" alt="'.get_lang('Delete').'" /></a>';
- } else {
- $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&delete='.urlencode($path).$req_gid.'&'.$sort_params.'" onclick="return confirmation(\''.basename($path).'\');"><img src="../img/delete.gif" border="0" title="'.get_lang('Delete').'" alt="" /></a>';
- }
- $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&move='.urlencode($path).$req_gid.'"><img src="../img/deplacer_fichier.gif" border="0" title="'.get_lang('Move').'" alt="" /></a>';
- $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&'.$visibility_command.'='.$id.$req_gid.'&'.$sort_params.'"><img src="../img/'.$visibility_icon.'.gif" border="0" title="'.get_lang('Visible').'" alt="" /></a>';
- }
-
- if($type == 'file' && pathinfo($path,PATHINFO_EXTENSION)=='html')
- {
- if($is_template==0)
- {
- $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&add_as_template='.$id.$req_gid.'&'.$sort_params.'"><img src="../img/wizard_small.gif" border="0" title="'.get_lang('AddAsTemplate').'" alt="'.get_lang('AddAsTemplate').'" /></a>';
- }
- else{
- $modify_icons .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.$curdirpath.'&remove_as_template='.$id.$req_gid.'&'.$sort_params.'"><img src="../img/wizard_gray_small.gif" border="0" title="'.get_lang('RemoveAsTemplate').'" alt=""'.get_lang('RemoveAsTemplate').'" /></a>';
- }
- }
- return $modify_icons;
- }
- function build_move_to_selector($folders,$curdirpath,$move_file,$group_dir='')
- {
- $form = '<form name="move_to" action="'.api_get_self().'" method="post">'."\n";
- $form .= '<input type="hidden" name="move_file" value="'.$move_file.'" />'."\n";
- $form .= get_lang('MoveTo').' <select name="move_to">'."\n";
-
- //group documents cannot be uploaded in the root
- if($group_dir=='')
- {
- if($curdirpath!='/')
- {
- $form .= '<option value="/">/ ('.get_lang('HomeDirectory').')</option>';
- }
- if(is_array($folders))
- {
- foreach ($folders AS $folder)
- {
- //you cannot move a file to:
- //1. current directory
- //2. inside the folder you want to move
- //3. inside a subfolder of the folder you want to move
- if(($curdirpath!=$folder) && ($folder!=$move_file) && (substr($folder,0,strlen($move_file)+1) != $move_file.'/'))
- {
- $path_displayed = $folder;
-
- // if document title is used, we have to display titles instead of real paths...
- if(api_get_setting('use_document_title'))
- {
- $path_displayed = get_titles_of_path($folder);
- }
- $form .= '<option value="'.$folder.'">'.$path_displayed.'</option>'."\n";
- }
- }
- }
- }
- else
- {
- foreach ($folders AS $folder)
- {
- if(($curdirpath!=$folder) && ($folder!=$move_file) && (substr($folder,0,strlen($move_file)+1) != $move_file.'/'))//cannot copy dir into his own subdir
- {
- if(api_get_setting('use_document_title'))
- {
- $path_displayed = get_titles_of_path($folder);
- }
-
- $display_folder = substr($path_displayed,strlen($group_dir));
- $display_folder = ($display_folder == '')?'/ ('.get_lang('HomeDirectory').')':$display_folder;
-
- $form .= '<option value="'.$folder.'">'.$display_folder.'</option>'."\n";
- }
- }
- }
- $form .= '</select>'."\n";
- $form .= '<input type="submit" name="move_file_submit" value="'.get_lang('Ok').'" />'."\n";
- $form .= '</form>';
- return $form;
- }
- /**
- * get the path translated with title of docs and folders
- * @param string the real path
- * @return the path which should be displayed
- */
- function get_titles_of_path($path)
- {
- global $tmp_folders_titles;
- $nb_slashes = substr_count($path,'/');
- $tmp_path = '';
- $current_slash_pos = 0;
- $path_displayed = '';
- for($i=0; $i<$nb_slashes; $i++)
- { // foreach folders of the path, retrieve title.
-
- $current_slash_pos = strpos($path,'/',$current_slash_pos+1);
- $tmp_path = substr($path,strpos($path,'/',0),$current_slash_pos);
-
- if(empty($tmp_path)) // if empty, then we are in the final part of the path
- $tmp_path = $path;
-
- if(!empty($tmp_folders_titles[$tmp_path])) // if this path has soon been stored here we don't need a new query
- {
- $path_displayed .= $tmp_folders_titles[$tmp_path];
- }
- else
- {
- $sql = 'SELECT title FROM '.Database::get_course_table(TABLE_DOCUMENT).' WHERE path LIKE BINARY "'.$tmp_path.'"';
- $rs = api_sql_query($sql,__FILE__,__LINE__);
- $tmp_title = '/'.Database::result($rs,0,0);
- $path_displayed .= $tmp_title;
- $tmp_folders_titles[$tmp_path] = $tmp_title;
- }
- }
- return $path_displayed;
- }
- /**
- * This function displays the name of the user and makes the link tothe user tool.
- *
- * @param $user_id
- * @param $name
- * @return a link to the userInfo.php
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @version february 2006, dokeos 1.8
- */
- function display_user_link_document($user_id, $name)
- {
- if ($user_id<>0)
- {
- return '<a href="../user/userInfo.php?uInfo='.$user_id.'">'.$name.'</a>';
- }
- else
- {
- return get_lang('Anonymous');
- }
- }
- ?>
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