grade/export/txt/grade_export_txt.php

   1 <?php
   2 ///////////////////////////////////////////////////////////////////////////
   3 //                                                                       //
   4 // NOTICE OF COPYRIGHT                                                   //
   5 //                                                                       //
   6 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   7 //          http://moodle.com                                            //
   8 //                                                                       //
   9 // Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com       //
  10 //                                                                       //
  11 // This program is free software; you can redistribute it and/or modify  //
  12 // it under the terms of the GNU General Public License as published by  //
  13 // the Free Software Foundation; either version 2 of the License, or     //
  14 // (at your option) any later version.                                   //
  15 //                                                                       //
  16 // This program is distributed in the hope that it will be useful,       //
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  19 // GNU General Public License for more details:                          //
  20 //                                                                       //
  21 //          http://www.gnu.org/copyleft/gpl.html                         //
  22 //                                                                       //
  23 ///////////////////////////////////////////////////////////////////////////
  24
  25 require_once($CFG->dirroot.'/grade/export/lib.php');
  26
  27 class grade_export_txt extends grade_export {
  28
  29     var $plugin = 'txt';
  30
  31     var $separator; // default separator
  32
  33     function grade_export_txt($course, $groupid=0, $itemlist='', $export_feedback=false, $updatedgradesonly = false, $displaytype = GRADE_DISPLAY_TYPE_REAL, $decimalpoints = 2, $separator='comma') {
  34         $this->grade_export($course, $groupid, $itemlist, $export_feedback, $updatedgradesonly, $displaytype, $decimalpoints);
  35         $this->separator = $separator;
  36     }
  37
  38     function process_form($formdata) {
  39         parent::process_form($formdata);
  40         if (isset($formdata->separator)) {
  41             $this->separator = $formdata->separator;
  42         }
  43     }
  44
  45     function get_export_params() {
  46         $params = parent::get_export_params();
  47         $params['separator'] = $this->separator;
  48         return $params;
  49     }
  50
  51     function print_grades() {
  52         global $CFG;
  53
  54         $export_tracking = $this->track_exports();
  55
  56         $strgrades = get_string('grades');
  57
  58         switch ($this->separator) {
  59             case 'comma':
  60                 $separator = ",";
  61                 break;
  62             case 'tab':
  63             default:
  64                 $separator = "\t";
  65         }
  66
  67         /// Print header to force download
  68         @header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
  69         @header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
  70         @header('Pragma: no-cache');
  71         header("Content-Type: application/download\n");
  72         $downloadfilename = clean_filename("{$this->course->shortname} $strgrades");
  73         header("Content-Disposition: attachment; filename=\"$downloadfilename.txt\"");
  74
  75 /// Print names of all the fields
  76         echo get_string("firstname").$separator.
  77              get_string("lastname").$separator.
  78              get_string("idnumber").$separator.
  79              get_string("institution").$separator.
  80              get_string("department").$separator.
  81              get_string("email");
  82
  83         foreach ($this->columns as $grade_item) {
  84             echo $separator.$this->format_column_name($grade_item);
  85
  86             /// add a feedback column
  87             if ($this->export_feedback) {
  88                 echo $separator.$this->format_column_name($grade_item, true);
  89             }
  90         }
  91         echo "\n";
  92
  93 /// Print all the lines of data.
  94         $geub = new grade_export_update_buffer();
  95         $gui = new graded_users_iterator($this->course, $this->columns, $this->groupid);
  96         $gui->init();
  97         while ($userdata = $gui->next_user()) {
  98
  99             $user = $userdata->user;
 100
 101             echo $user->firstname.$separator.$user->lastname.$separator.$user->idnumber.$separator.$user->institution.$separator.$user->department.$separator.$user->email;
 102
 103             foreach ($userdata->grades as $itemid => $grade) {
 104                 if ($export_tracking) {
 105                     $status = $geub->track($grade);
 106                 }
 107
 108                 echo $separator.$this->format_grade($grade);
 109
 110                 if ($this->export_feedback) {
 111                     echo $separator.$this->format_feedback($userdata->feedbacks[$itemid]);
 112                 }
 113             }
 114             echo "\n";
 115         }
 116         $gui->close();
 117         $geub->close();
 118
 119         exit;
 120     }
 121 }
 122
 123 ?>