grade/edit/letter/edit.php

   1 <?php // $Id$
   2
   3 ///////////////////////////////////////////////////////////////////////////
   4 //                                                                       //
   5 // NOTICE OF COPYRIGHT                                                   //
   6 //                                                                       //
   7 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8 //          http://moodle.com                                            //
   9 //                                                                       //
  10 // Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com       //
  11 //                                                                       //
  12 // This program is free software; you can redistribute it and/or modify  //
  13 // it under the terms of the GNU General Public License as published by  //
  14 // the Free Software Foundation; either version 2 of the License, or     //
  15 // (at your option) any later version.                                   //
  16 //                                                                       //
  17 // This program is distributed in the hope that it will be useful,       //
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  20 // GNU General Public License for more details:                          //
  21 //                                                                       //
  22 //          http://www.gnu.org/copyleft/gpl.html                         //
  23 //                                                                       //
  24 ///////////////////////////////////////////////////////////////////////////
  25
  26 require '../../../config.php';
  27 require_once $CFG->libdir.'/gradelib.php';
  28 require_once $CFG->dirroot.'/grade/lib.php';
  29 require_once 'edit_form.php';
  30
  31
  32 $contextid = optional_param('id', SYSCONTEXTID, PARAM_INT);
  33
  34 if (!$context = get_context_instance_by_id($contextid)) {
  35     error('Incorrect context id');
  36 }
  37
  38 if ($context->contextlevel == CONTEXT_SYSTEM or $context->contextlevel == CONTEXT_COURSECAT) {
  39     require_once $CFG->libdir.'/adminlib.php';
  40     require_login();
  41     admin_externalpage_setup('letters');
  42     $admin = true;
  43     $returnurl = "$CFG->wwwroot/grade/edit/letter/edit.php"; // stay in the same page
  44
  45
  46 } else if ($context->contextlevel == CONTEXT_COURSE) {
  47     require_login($context->instanceid);
  48     $admin = false;
  49     $returnurl = $CFG->wwwroot.'/grade/edit/letter/index.php?id='.$context->instanceid;
  50
  51 } else {
  52     error('Incorrect context level');
  53 }
  54
  55 require_capability('moodle/grade:manageletters', $context);
  56
  57 $strgrades = get_string('grades');
  58 $pagename  = get_string('letters', 'grades');
  59
  60 $letters = grade_get_letters($context);
  61 $num = count($letters) + 3;
  62
  63 $data = new object();
  64 $data->id = $context->id;
  65
  66 $i = 1;
  67 foreach ($letters as $boundary=>$letter) {
  68     $gradelettername = 'gradeletter'.$i;
  69     $gradeboundaryname = 'gradeboundary'.$i;
  70
  71     $data->$gradelettername   = $letter;
  72     $data->$gradeboundaryname = $boundary;
  73     $i++;
  74 }
  75 $data->override = record_exists('grade_letters', 'contextid', $contextid);
  76
  77 $mform = new edit_letter_form(null, array('num'=>$num, 'admin'=>$admin));
  78 $mform->set_data($data);
  79
  80 if ($mform->is_cancelled()) {
  81     redirect($returnurl);
  82
  83 } else if ($data = $mform->get_data()) {
  84     if (!$admin and empty($data->override)) {
  85         delete_records('grade_letters', 'contextid', $context->id);
  86         redirect($returnurl);
  87     }
  88
  89     $letters = array();
  90     for($i=1; $i<$num+1; $i++) {
  91         $gradelettername = 'gradeletter'.$i;
  92         $gradeboundaryname = 'gradeboundary'.$i;
  93
  94         if (array_key_exists($gradeboundaryname, $data) and $data->$gradeboundaryname != -1) {
  95             $letter = trim($data->$gradelettername);
  96             if ($letter == '') {
  97                 continue;
  98             }
  99             $letters[$data->$gradeboundaryname] = $letter;
 100         }
 101     }
 102     krsort($letters, SORT_NUMERIC);
 103
 104     $old_ids = array();
 105     if ($records = get_records('grade_letters', 'contextid', $context->id, 'lowerboundary ASC', 'id')) {
 106         $old_ids = array_keys($records);
 107     }
 108
 109     foreach($letters as $boundary=>$letter) {
 110         $record = new object();
 111         $record->letter        = $letter;
 112         $record->lowerboundary = $boundary;
 113         $record->contextid     = $context->id;
 114
 115         if ($old_id = array_pop($old_ids)) {
 116             $record->id = $old_id;
 117             update_record('grade_letters', $record);
 118         } else {
 119             insert_record('grade_letters', $record);
 120         }
 121     }
 122
 123     foreach($old_ids as $old_id) {
 124         delete_records('grade_letters', 'id', $old_id);
 125     }
 126
 127     redirect($returnurl);
 128 }
 129
 130
 131 //page header
 132 if ($admin) {
 133     admin_externalpage_print_header();
 134
 135 } else {
 136     $navigation = grade_build_nav(__FILE__, $pagename, $COURSE->id);
 137     /// Print header
 138     print_header_simple($strgrades.': '.$pagename, ': '.$strgrades, $navigation, '', '', true, '', navmenu($COURSE));
 139
 140     $currenttab = 'lettersedit';
 141     require('tabs.php');
 142 }
 143
 144 $mform->display();
 145
 146 print_footer($COURSE);
 147 ?>