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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * A page for managing custom and standard scales
  19   *
  20   * @package   core_grades
  21   * @copyright 2007 Petr Skoda
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once '../../../config.php';
  26  require_once $CFG->dirroot.'/grade/lib.php';
  27  require_once $CFG->libdir.'/gradelib.php';
  28  
  29  $courseid = optional_param('id', 0, PARAM_INT);
  30  $action   = optional_param('action', '', PARAM_ALPHA);
  31  
  32  $PAGE->set_url('/grade/edit/scale/index.php', array('id' => $courseid));
  33  
  34  /// Make sure they can even access this course
  35  if ($courseid) {
  36      if (!$course = $DB->get_record('course', array('id' => $courseid))) {
  37          print_error('nocourseid');
  38      }
  39      require_login($course);
  40      $context = context_course::instance($course->id);
  41      require_capability('moodle/course:managescales', $context);
  42      $PAGE->set_pagelayout('admin');
  43  } else {
  44      require_once $CFG->libdir.'/adminlib.php';
  45      admin_externalpage_setup('scales');
  46  }
  47  
  48  /// return tracking object
  49  $gpr = new grade_plugin_return(array('type'=>'edit', 'plugin'=>'scale', 'courseid'=>$courseid));
  50  
  51  $strscale          = get_string('scale');
  52  $strstandardscale  = get_string('scalesstandard');
  53  $strcustomscales   = get_string('scalescustom');
  54  $strname           = get_string('name');
  55  $strdelete         = get_string('delete');
  56  $stredit           = get_string('edit');
  57  $srtcreatenewscale = get_string('scalescustomcreate');
  58  $strused           = get_string('used');
  59  $stredit           = get_string('edit');
  60  
  61  switch ($action) {
  62      case 'delete':
  63          if (!confirm_sesskey()) {
  64              break;
  65          }
  66          $scaleid = required_param('scaleid', PARAM_INT);
  67          if (!$scale = grade_scale::fetch(array('id'=>$scaleid))) {
  68              break;
  69          }
  70  
  71          if (empty($scale->courseid)) {
  72              require_capability('moodle/course:managescales', context_system::instance());
  73          } else if ($scale->courseid != $courseid) {
  74              print_error('invalidcourseid');
  75          }
  76  
  77          if (!$scale->can_delete()) {
  78              break;
  79          }
  80  
  81          $deleteconfirmed = optional_param('deleteconfirmed', 0, PARAM_BOOL);
  82  
  83          if (!$deleteconfirmed) {
  84              $strdeletescale = get_string('delete'). ' '. get_string('scale');
  85              $PAGE->navbar->add($strdeletescale);
  86              $PAGE->set_title($strdeletescale);
  87              $PAGE->set_heading($COURSE->fullname);
  88              echo $OUTPUT->header();
  89              $confirmurl = new moodle_url('index.php', array(
  90                      'id' => $courseid, 'scaleid' => $scale->id,
  91                      'action'=> 'delete',
  92                      'sesskey' =>  sesskey(),
  93                      'deleteconfirmed'=> 1));
  94  
  95              echo $OUTPUT->confirm(get_string('scaleconfirmdelete', 'grades', $scale->name), $confirmurl, "index.php?id={$courseid}");
  96              echo $OUTPUT->footer();
  97              die;
  98          } else {
  99              $scale->delete();
 100          }
 101          break;
 102  }
 103  
 104  if (!$courseid) {
 105      echo $OUTPUT->header();
 106  }
 107  
 108  $table = new html_table();
 109  $table2 = new html_table();
 110  $heading = '';
 111  
 112  if ($courseid and $scales = grade_scale::fetch_all_local($courseid)) {
 113      $heading = $strcustomscales;
 114  
 115      $data = array();
 116      foreach($scales as $scale) {
 117          $line = array();
 118          $line[] = format_string($scale->name).'<div class="scale_options">'.str_replace(",",", ",$scale->scale).'</div>';
 119  
 120          $used = $scale->is_used();
 121          $line[] = $used ? get_string('yes') : get_string('no');
 122  
 123          $buttons = "";
 124          $buttons .= grade_button('edit', $courseid, $scale);
 125          if (!$used) {
 126              $buttons .= grade_button('delete', $courseid, $scale);
 127          }
 128          $line[] = $buttons;
 129          $data[] = $line;
 130      }
 131      $table->head  = array($strscale, $strused, $stredit);
 132      $table->size  = array('70%', '20%', '10%');
 133      $table->align = array('left', 'center', 'center');
 134      $table->attributes['class'] = 'scaletable localscales generaltable';
 135      $table->data  = $data;
 136  }
 137  
 138  if ($scales = grade_scale::fetch_all_global()) {
 139      $heading = $strstandardscale;
 140  
 141      $data = array();
 142      foreach($scales as $scale) {
 143          $line = array();
 144          $line[] = format_string($scale->name).'<div class="scale_options">'.str_replace(",",", ",$scale->scale).'</div>';
 145  
 146          $used = $scale->is_used();
 147          $line[] = $used ? get_string('yes') : get_string('no');
 148  
 149          $buttons = "";
 150          if (has_capability('moodle/course:managescales', context_system::instance())) {
 151              $buttons .= grade_button('edit', $courseid, $scale);
 152          }
 153          if (!$used and has_capability('moodle/course:managescales', context_system::instance())) {
 154              $buttons .= grade_button('delete', $courseid, $scale);
 155          }
 156          $line[] = $buttons;
 157          $data[] = $line;
 158      }
 159      $table2->head  = array($strscale, $strused, $stredit);
 160      $table->attributes['class'] = 'scaletable globalscales generaltable';
 161      $table2->size  = array('70%', '20%', '10%');
 162      $table2->align = array('left', 'center', 'center');
 163      $table2->data  = $data;
 164  }
 165  
 166  
 167  if ($courseid) {
 168      print_grade_page_head($courseid, 'scale', 'scale', get_string('coursescales', 'grades'));
 169  }
 170  
 171  echo $OUTPUT->heading($strcustomscales, 3, 'main');
 172  echo html_writer::table($table);
 173  echo $OUTPUT->heading($strstandardscale, 3, 'main');
 174  echo html_writer::table($table2);
 175  echo $OUTPUT->container_start('buttons');
 176  echo $OUTPUT->single_button(new moodle_url('edit.php', array('courseid'=>$courseid)), $srtcreatenewscale);
 177  echo $OUTPUT->container_end();
 178  echo $OUTPUT->footer();