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- <?php // $Id: document.inc.php 22074 2009-07-14 16:28:37Z jhp1411 $
- /*
- ==============================================================================
- 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)
- {
- $folder_titles = array();
- if(api_get_setting('use_document_title') == 'true')
- {
- if (is_array($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."')";
- $res = Database::query($sql,__FILE__,__LINE__);
- $folder_titles = array();
- while($obj = Database::fetch_object($res))
- {
- $folder_titles[$obj->path] = $obj->title;
- }
- }
- }
- else
- {
- if (is_array($folders)){
- 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);
- if($folder_titles[$folder]=='shared_folder')
- {
- $folder_titles[$folder]=get_lang('SharedFolder');
- }
- elseif(strstr($folder_titles[$folder], 'sf_user_'))
- {
- $userinfo=Database::get_user_info_from_id(substr($folder_titles[$folder],8));
- $folder_titles[$folder]=api_get_person_name($userinfo['firstname'], $userinfo['lastname']);
- }
- $label = str_repeat(' ',count($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)
- * @param int $show_as_icon - if it is true, only a clickable icon will be shown
- * @return string url
- */
- function create_document_link($www, $title, $path, $filetype, $size, $visibility, $show_as_icon = false)
- {
- 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"':'';
- if (!$show_as_icon)
- {
- //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; }\"":'';
- }
- $target='_self';
- if($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' || $ext=='log' || $ext=='css' || $ext=='js') //add here
- {
- $target='_blank';
- }
- }
- else
- {
- $url=api_get_self().'?'.api_get_cidreq().'&curdirpath='.$url_path.$req_gid;
- }
- //the little download icon
- //$tooltip_title = str_replace('?cidReq='.$_GET['cidReq'],'',basename($path));
- $tooltip_title = explode('?', basename($path));
- $tooltip_title = $tooltip_title[0];
- if($tooltip_title=='shared_folder')
- {
- $tooltip_title_alt=get_lang('SharedFolder');
- }
- elseif(strstr($tooltip_title, 'sf_user_'))
- {
- $userinfo=Database::get_user_info_from_id(substr($tooltip_title,8));
- $tooltip_title_alt=api_get_person_name($userinfo['firstname'], $userinfo['lastname']);
- }
- else
- {
- $tooltip_title_alt=$tooltip_title;
- }
- if (!$show_as_icon)
- {
- $force_download_html = ($size==0)?'':'<a href="'.$forcedownload_link.'" style="float:right"'.$prevent_multiple_click.'>'.Display::return_icon($forcedownload_icon, get_lang('Download'),array('height'=>'16', 'width' => '16')).'</a>';
- return '<a href="'.$url.'" title="'.$tooltip_title_alt.'" target="'.$target.'"'.$visibility_class.' style="float:left">'.$title.'</a>'.$force_download_html;
- }
- else
- {
- return '<a href="'.$url.'" title="'.$tooltip_title_alt.'" target="'.$target.'"'.$visibility_class.' style="float:left">'.build_document_icon_tag($filetype, $tooltip_title).'</a>';
- }
- }
- /**
- * 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)
- {
- $basename = basename($path);
- if ($type == 'file')
- {
- $icon = choose_image($basename);
- }
- else
- {
- if($basename =='shared_folder')
- {
- $icon = 'shared_folder.gif';
- if (api_is_allowed_to_edit())
- {
- $basename = get_lang('HelpSharedFolder');
- }
- else
- {
- $basename = get_lang('SharedFolder');
- }
- }
- elseif(strstr($basename, 'sf_user_'))
- {
- $userinfo=Database::get_user_info_from_id(substr($basename,8));
- $image_path = UserManager::get_user_picture_path_by_id(substr($basename,8),'web',false, true);
- if($image_path['file']=='unknown.jpg')
- {
- $icon = $image_path['file'];
- }
- else
- {
- $icon = '../upload/users/'.substr($basename,8).'/'.$image_path['file'];
- }
- $basename = api_get_person_name($userinfo['firstname'], $userinfo['lastname']);
- }
- else
- {
- if(($basename =='audio' || $basename =='flash' || $basename =='images' || $basename =='video') && api_is_allowed_to_edit()==true)
- {
- $basename = get_lang('HelpDefaultDirDocuments');
- }
- $icon = 'folder_document.gif';
- }
- }
- return Display::return_icon($icon, $basename, array('hspace'=>'5', 'align' => 'middle', 'height'=> 22, 'width' => 22));
- }
- /**
- * 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']))
- {
- $sort_params[] = 'column='.Security::remove_XSS($_GET['column']);
- }
- if( isset($_GET['page_nr']))
- {
- $sort_params[] = 'page_nr='.Security::remove_XSS($_GET['page_nr']);
- }
- if( isset($_GET['per_page']))
- {
- $sort_params[] = 'per_page='.Security::remove_XSS($_GET['per_page']);
- }
- if( isset($_GET['direction']))
- {
- $sort_params[] = 'direction='.Security::remove_XSS($_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('VisibilityCannotBeChanged'));
- }
- 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($path,'/images')===0 or strcmp($path,'/shared_folder')===0 or strcmp($path,'/video')===0) {
- $modify_icons .= ' '.Display::return_icon('delete_na.gif',get_lang('ThisFolderCannotBeDeleted'));
- } 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 .= '<div class="row">';
- $form .= ' <div class="label">';
- $form .= get_lang('MoveTo');
- $form .= ' </div>';
- $form .= ' <div class="formw">';
- $form .= ' <select name="move_to">'."\n";
- //group documents cannot be uploaded in the root
- if($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 .= ' </div>';
- $form .= '<div class="row">';
- $form .= ' <div class="label"></div>';
- $form .= ' <div class="formw">';
- $form .= ' <button type="submit" class="next" name="move_file_submit">'.get_lang('MoveFile').'</button>'."\n";
- $form .= ' </div>';
- $form .= '</div>';
- $form .= '</form>';
- $form .= '<div style="clear: both; margin-bottom: 10px;"></div>';
- 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.'"';
- $rs = Database::query($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');
- }
- }
- function create_dir_form()
- {
- //create the form that asks for the directory name
- $new_folder_text = '<form action="'.api_get_self().'" method="post">';
- $new_folder_text .= '<input type="hidden" name="curdirpath" value="'.Security::remove_XSS($_GET['curdirpath']).'" />';
- // form title
- $new_folder_text .= '<div class="row"><div class="form_header">'.get_lang('CreateDir').'</div></div>';
- // folder field
- $new_folder_text .= '<div class="row">';
- $new_folder_text .= '<div class="label"><span class="form_required">*</span>'.get_lang('NewDir').'</div>';
- $new_folder_text .= '<div class="formw"><input type="text" name="dirname" /></div>';
- $new_folder_text .= '</div>';
- // submit button
- $new_folder_text .= '<div class="row">';
- $new_folder_text .= '<div class="label"> </div>';
- $new_folder_text .= '<div class="formw"><button type="submit" class="add" name="create_dir">'.get_lang('CreateFolder').'</button></div>';
- $new_folder_text .= '</div>';
- $new_folder_text .= '</form>';
- $new_folder_text .= '<div style="clear: both; margin-bottom: 10px;"></div>';
- return $new_folder_text;
- }
- ?>
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