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   1  <?php // $Id: edit.php,v 1.3.2.1 2008/02/27 08:57:54 skodak Exp $
   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  ?>