, Ghent University - ability for course admins to specify wether uploaded documents are visible or invisible by default. * @author Roan Embrechts, code refactoring and virtual course support * @author Frederic Vauthier, directories management * @version $Id: $ */ /** * Displays action links (for admins, authorized groups members and authorized students) * @param string Current dir * @param integer Whether to show tool options * @param integer Whether to show upload form option * @return void */ function display_action_links($cur_dir_path, $always_show_tool_options, $always_show_upload_form) { $display_output = ""; if(strlen($cur_dir_path) > 0 && $cur_dir_path != '/') { $parent_dir = dirname($cur_dir_path); $display_output .= ''.Display::return_icon('folder_up.gif').' '.get_lang('Up').' '; } if (! $always_show_upload_form ) { $display_output .= "".Display::return_icon('submit_file.gif')." ". get_lang("UploadADocument") . " "; } if (! $always_show_tool_options && api_is_allowed_to_edit() ) { $display_output .= "".Display::return_icon('acces_tool.gif').' ' . get_lang("EditToolOptions") . " "; } if ($display_output != "") { echo $display_output; } } /** * Displays all options for this tool. * These are * - make all files visible / invisible * - set the default visibility of uploaded files * * @param $uploadvisibledisabled * @param $origin * @param $base_work_dir Base working directory (up to '/work') * @param $cur_dir_path Current subdirectory of 'work/' * @param $cur_dir_path_url Current subdirectory of 'work/', url-encoded */ function display_tool_options($uploadvisibledisabled, $origin,$base_work_dir,$cur_dir_path,$cur_dir_path_url) { $is_allowed_to_edit = api_is_allowed_to_edit(); $work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION); if (! $is_allowed_to_edit) return; echo '
'; echo "
\n", "\n", "", ""; display_default_visibility_form($uploadvisibledisabled); echo '
 ".get_lang("Modify")."
", get_lang('AllFiles')." : ", "\"".get_lang('Delete')."\"", "", " "; $sql_query = "SHOW COLUMNS FROM ".$work_table." LIKE 'accepted'"; $sql_result = api_sql_query($sql_query,__FILE__,__LINE__); if ($sql_result) { $columnStatus = mysql_fetch_array($sql_result); if ($columnStatus['Default'] == 1) { echo "", "\"".get_lang('Invisible')."\"", "\n"; } else { echo "", "\"".get_lang('Visible')."\"", "\n"; } } echo "
'; echo '
'.get_lang("ValidateChanges").' :
'; echo "
\n"; /* ============================================================================== Display directories list ============================================================================== */ //$folders = DocumentManager::get_all_document_folders($_course,$to_group_id,$is_allowed_to_edit || $group_member_with_upload_rights); if($cur_dir_path=='/'){$my_cur_dir_path='';}else{$my_cur_dir_path=$cur_dir_path;} $folders = get_subdirs_list($base_work_dir,1); echo '
'; echo(build_directory_selector($folders,$cur_dir_path,'')); echo '
'; echo '
'; if ($cur_dir_path!= '/' && $cur_dir_path!=$group_properties['directory']) { echo ''. ''. get_lang("Up").' '."\n"; } echo '' . ''. ''.get_lang("CreateDir").' '."\n"; echo "
"; } /** * Displays the form where course admins can specify wether uploaded documents * are visible or invisible by default. * * @param $uploadvisibledisabled * @param $origin */ function display_default_visibility_form($uploadvisibledisabled) { ?> />
/>
url))); $row[] = 'dir '.$dir.''; $row[] = ''; $row[] = ''; $row[] = ''; if( $is_allowed_to_edit) { //$action .= ''.get_lang('Modify').''; $action .= ''.get_lang('DirDelete').''; $row[] = $action; }else{ $row[] = ""; } $table_data[] = $row; } } while( $work = mysql_fetch_object($sql_result)) { //Get the author ID for that document from the item_property table $is_author = false; $author_sql = "SELECT * FROM $iprop_table WHERE tool = 'work' AND insert_user_id='$user_id' AND ref=".$work->id; $author_qry = api_sql_query($author_sql,__FILE__,__LINE__); if(Database::num_rows($author_qry)==1){ $is_author = true; } //display info depending on the permissions if( $work->accepted == '1' || $is_allowed_to_edit) { $row = array(); if($work->accepted == '0') { $class='class="invisible"'; } else { $class=''; } $url = implode("/", array_map("rawurlencode", explode("/", $work->url))); $row[] = ''.$work->title.''; $row[] = $work->description; $row[] = $work->author; $row[] = $work->sent_date; if( $is_allowed_to_edit) { $action = ''; $action .= ''.get_lang('Modify').''; $action .= ''.get_lang('WorkDelete').''; $action .= ''; if($work->accepted == '1') { $action .= ''.get_lang('Invisible').''; } else { $action .= ''.get_lang('Visible').''; } $row[] = $action; }elseif($is_author){ $action = ''; $action .= ''.get_lang('Modify').''; $action .= ''.get_lang('WorkDelete').''; $row[] = $action; }else{ $row[] = " "; } $table_data[] = $row; } } //if( count($table_data) > 0) //{ Display::display_sortable_table($table_header,$table_data); //} } /** * Returns a list of subdirectories found in the given directory. * * The list return starts from the given base directory. * If you require the subdirs of /var/www/ (or /var/www), you will get 'abc/', 'def/', but not '/var/www/abc/'... * @param string Base dir * @param integer 0 if we only want dirs from this level, 1 if we want to recurse into subdirs * @return strings_array The list of subdirs in 'abc/' form, -1 on error, and 0 if none found * @todo Add a session check to see if subdirs_list doesn't exist yet (cached copy) */ function get_subdirs_list($basedir='',$recurse=0){ //echo "Looking for subdirs of $basedir"; if(empty($basedir) or !is_dir($basedir)){return -1;} if(substr($basedir,-1,1)!='/'){$basedir = $basedir.'/';} $dirs_list = array(); $dh = opendir($basedir); while($entry = readdir($dh)){ if(is_dir($basedir.$entry) && $entry!='..' && $entry!='.'){ $dirs_list[] = $entry; if($recurse==1){ foreach(get_subdirs_list($basedir.$entry) as $subdir){ $dirs_list[] = $entry.'/'.$subdir; } } } } closedir($dh); return $dirs_list; } /** * Builds the form thats enables the user to * select a directory to browse/upload in * This function has been copied from the document/document.inc.php library * * @param array $folders * @param string $curdirpath * @param string $group_dir * @return string html form */ function build_directory_selector($folders,$curdirpath,$group_dir='') { $form = '
'."\n"; $form .= get_lang('CurrentDirectory').' '."\n"; $form .= ''."\n"; $form .= '
'; return $form; } /** * Builds the form thats enables the user to * move a document from one directory to another * This function has been copied from the document/document.inc.php library * * @param array $folders * @param string $curdirpath * @param string $move_file * @return string html form */ function build_move_to_selector($folders,$curdirpath,$move_file,$group_dir='') { $form = '
'."\n"; $form .= ''."\n"; $form .= get_lang('MoveTo').' '."\n"; $form .= ''."\n"; $form .= '
'; return $form; } /** * Checks if the first given directory exists as a subdir of the second given directory * This function should now be deprecated by Security::check_abs_path() * @param string Subdir * @param string Base dir * @return integer -1 on error, 0 if not subdir, 1 if subdir */ function is_subdir_of($subdir,$basedir){ if(empty($subdir) or empty($basedir)){return -1;} if(substr($basedir,-1,1)!='/'){$basedir=$basedir.'/';} if(substr($subdir,0,1)=='/'){$subdir = substr($subdir,1);} if(is_dir($basedir.$subdir)){ return 1; }else{ return 0; } } /** * creates a new directory trying to find a directory name * that doesn't already exist * (we could use unique_name() here...) * * @author Hugues Peeters * @author Bert Vanderkimpen * @author Yannick Warnier Adaptation for work tool * @param string Base work dir (.../work) * @param string $desiredDirName complete path of the desired name * @return string actual directory name if it succeeds, * boolean false otherwise */ function create_unexisting_work_directory($base_work_dir,$desired_dir_name) { $nb = ''; $base_work_dir = (substr($base_work_dir,-1,1)=='/'?$base_work_dir:$base_work_dir.'/'); while ( file_exists($base_work_dir.$desired_dir_name.$nb) ) { $nb += 1; } //echo "creating ".$base_work_dir.$desired_dir_name.$nb."#..."; $perm = api_get_setting('permissions_for_new_directories'); $perm = octdec(!empty($perm)?$perm:'0770'); if ( mkdir($base_work_dir.$desired_dir_name.$nb, $perm)) { chmod($base_work_dir.$desired_dir_name.$nb, $perm); return $desired_dir_name.$nb; } else { return false; } } /** * Delete a work-tool directory * @param string Base "work" directory for this course as /var/www/dokeos/courses/ABCD/work/ * @param string The directory name as the bit after "work/", without trailing slash * @return integer -1 on error */ function del_dir($base_work_dir,$dir){ if(empty($dir) or $dir=='/'){return -1;}//not authorized //escape hacks $dir = str_replace('../','',$dir); $dir = str_replace('..','',$dir); $dir = str_replace('./','',$dir); $dir = str_replace('.','',$dir); if(!is_dir($base_work_dir.$dir)) {return -1;} $table = Database::get_course_table(TABLE_STUDENT_PUBLICATION); $sql = "DELETE FROM $table WHERE url LIKE 'work/".$dir."/%'"; $res = api_sql_query($sql,__FILE__,__LINE__); require_once(api_get_path(LIBRARY_PATH).'/fileManage.lib.php'); my_delete($base_work_dir.$dir); } /** * Get the path of a document in the student_publication table (path relative to the course directory) * @param integer Element ID * @return string Path (or -1 on error) */ function get_work_path($id){ $table = Database::get_course_table(TABLE_STUDENT_PUBLICATION); $sql = "SELECT * FROM $table WHERE id=$id"; $res = api_sql_query($sql); if(Database::num_rows($res)!=1){ return -1; }else{ $row = Database::fetch_array($res); return $row['url']; } } /** * Update the url of a work in the student_publication table * @param integer ID of the work to update * @param string Destination directory where the work has been moved (must end with a '/') * @return -1 on error, sql query result on success */ function update_work_url($id,$new_path){ if(empty($id)) return -1; $table = Database::get_course_table(TABLE_STUDENT_PUBLICATION); $sql = "SELECT * FROM $table WHERE id=$id"; $res = api_sql_query($sql); if(Database::num_rows($res)!=1){ return -1; }else{ $row = Database::fetch_array($res); $filename = basename($row['url']); $new_url = $new_path.$filename; $sql2 = "UPDATE $table SET url = '$new_url' WHERE id=$id"; $res2 = api_sql_query($sql2); return $res2; } } ?>