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PHP Cross Reference of Moodle 1.9.3 [Build 15-Oct-2008]

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/mod/quiz/ -> mod_form.php (source)

   1  <?php // $Id: mod_form.php,v 1.28.2.5 2008/08/13 03:17:59 tjhunt Exp $
   2  require_once ($CFG->dirroot.'/course/moodleform_mod.php');
   3  
   4  require_once("$CFG->dirroot/mod/quiz/locallib.php");
   5  
   6  class mod_quiz_mod_form extends moodleform_mod {
   7      var $_feedbacks;
   8  
   9      function definition() {
  10  
  11          global $COURSE, $CFG;
  12          $mform    =& $this->_form;
  13  
  14  //-------------------------------------------------------------------------------
  15          $mform->addElement('header', 'general', get_string('general', 'form'));
  16  
  17          $mform->addElement('text', 'name', get_string('name'), array('size'=>'64'));
  18          if (!empty($CFG->formatstringstriptags)) {
  19              $mform->setType('name', PARAM_TEXT);
  20          } else {
  21              $mform->setType('name', PARAM_CLEAN);
  22          }
  23          $mform->addRule('name', null, 'required', null, 'client');
  24  
  25          $mform->addElement('htmleditor', 'intro', get_string("introduction", "quiz"));
  26          $mform->setType('intro', PARAM_RAW);
  27          $mform->setHelpButton('intro', array('richtext', get_string('helprichtext')));
  28  
  29  //-------------------------------------------------------------------------------
  30          $mform->addElement('header', 'timinghdr', get_string('timing', 'form'));
  31          $mform->addElement('date_time_selector', 'timeopen', get_string('quizopen', 'quiz'), array('optional'=>true));
  32          $mform->setHelpButton('timeopen', array('timeopen', get_string('quizopen', 'quiz'), 'quiz'));
  33  
  34          $mform->addElement('date_time_selector', 'timeclose', get_string('quizclose', 'quiz'), array('optional'=>true));
  35          $mform->setHelpButton('timeclose', array('timeopen', get_string('quizclose', 'quiz'), 'quiz'));
  36  
  37  
  38          $timelimitgrp=array();
  39          $timelimitgrp[] = &$mform->createElement('text', 'timelimit');
  40          $timelimitgrp[] = &$mform->createElement('checkbox', 'timelimitenable', '', get_string('enable'));
  41          $mform->addGroup($timelimitgrp, 'timelimitgrp', get_string('timelimitmin', 'quiz'), array(' '), false);
  42          $mform->setType('timelimit', PARAM_TEXT);
  43          $timelimitgrprules = array();
  44          $timelimitgrprules['timelimit'][] = array(null, 'numeric', null, 'client');
  45          $mform->addGroupRule('timelimitgrp', $timelimitgrprules);
  46          $mform->disabledIf('timelimitgrp', 'timelimitenable');
  47          $mform->setAdvanced('timelimitgrp', $CFG->quiz_fix_timelimit);
  48          $mform->setHelpButton('timelimitgrp', array("timelimit", get_string("quiztimer","quiz"), "quiz"));
  49          $mform->setDefault('timelimit', $CFG->quiz_timelimit);
  50          $mform->setDefault('timelimitenable', !empty($CFG->quiz_timelimit));
  51  
  52  
  53          //enforced time delay between quiz attempts add-on
  54          $timedelayoptions = array();
  55          $timedelayoptions[0] = get_string('none');
  56          $timedelayoptions[1800] = get_string('numminutes', '', 30);
  57          $timedelayoptions[3600] = get_string('numminutes', '', 60);
  58          for($i=2; $i<=23; $i++) {
  59               $seconds  = $i*3600;
  60               $timedelayoptions[$seconds] = get_string('numhours', '', $i);
  61          }
  62          $timedelayoptions[86400] = get_string('numhours', '', 24);
  63          for($i=2; $i<=7; $i++) {
  64               $seconds = $i*86400;
  65               $timedelayoptions[$seconds] = get_string('numdays', '', $i);
  66          }
  67          $mform->addElement('select', 'delay1', get_string("delay1", "quiz"), $timedelayoptions);
  68          $mform->setHelpButton('delay1', array("timedelay1", get_string("delay1", "quiz"), "quiz"));
  69          $mform->setAdvanced('delay1', $CFG->quiz_fix_delay1);
  70          $mform->setDefault('delay1', $CFG->quiz_delay1);
  71  
  72          $mform->addElement('select', 'delay2', get_string("delay2", "quiz"), $timedelayoptions);
  73          $mform->setHelpButton('delay2', array("timedelay2", get_string("delay2", "quiz"), "quiz"));
  74          $mform->setAdvanced('delay2', $CFG->quiz_fix_delay2);
  75          $mform->setDefault('delay2', $CFG->quiz_delay2);
  76  
  77  //-------------------------------------------------------------------------------
  78          $mform->addElement('header', 'displayhdr', get_string('display', 'form'));
  79          $perpage = array();
  80          for ($i = 0; $i <= 50; ++$i) {
  81              $perpage[$i] = $i;
  82          }
  83          $perpage[0] = get_string('allinone', 'quiz');
  84          $mform->addElement('select', 'questionsperpage', get_string('questionsperpage', 'quiz'), $perpage);
  85          $mform->setHelpButton('questionsperpage', array('questionsperpage', get_string('questionsperpage', 'quiz'), 'quiz'));
  86          $mform->setAdvanced('questionsperpage', $CFG->quiz_fix_questionsperpage);
  87          $mform->setDefault('questionsperpage', $CFG->quiz_questionsperpage);
  88  
  89          $mform->addElement('selectyesno', 'shufflequestions', get_string("shufflequestions", "quiz"));
  90          $mform->setHelpButton('shufflequestions', array("shufflequestions", get_string("shufflequestions","quiz"), "quiz"));
  91          $mform->setAdvanced('shufflequestions', $CFG->quiz_fix_shufflequestions);
  92          $mform->setDefault('shufflequestions', $CFG->quiz_shufflequestions);
  93  
  94          $mform->addElement('selectyesno', 'shuffleanswers', get_string("shufflewithin", "quiz"));
  95          $mform->setHelpButton('shuffleanswers', array("shufflewithin", get_string("shufflewithin","quiz"), "quiz"));
  96          $mform->setAdvanced('shuffleanswers', $CFG->quiz_fix_shuffleanswers);
  97          $mform->setDefault('shuffleanswers', $CFG->quiz_shuffleanswers);
  98  
  99  //-------------------------------------------------------------------------------
 100          $mform->addElement('header', 'attemptshdr', get_string('attempts', 'quiz'));
 101          $attemptoptions = array();
 102          $attemptoptions[0] = get_string("attemptsunlimited", "quiz");
 103          $attemptoptions[1] = "1 ".moodle_strtolower(get_string("attempt", "quiz"));
 104          for ($i=2;$i<=6;$i++) {
 105              $attemptoptions[$i] = "$i ".moodle_strtolower(get_string("attempts", "quiz"));
 106          }
 107          $mform->addElement('select', 'attempts', get_string("attemptsallowed", "quiz"), $attemptoptions);
 108          $mform->setHelpButton('attempts', array("attempts", get_string("attemptsallowed","quiz"), "quiz"));
 109          $mform->setAdvanced('attempts', $CFG->quiz_fix_attempts);
 110          $mform->setDefault('attempts', $CFG->quiz_attempts);
 111  
 112          $mform->addElement('selectyesno', 'attemptonlast', get_string("eachattemptbuildsonthelast", "quiz"));
 113          $mform->setHelpButton('attemptonlast', array("repeatattempts", get_string("eachattemptbuildsonthelast", "quiz"), "quiz"));
 114          $mform->setAdvanced('attemptonlast', $CFG->quiz_fix_attemptonlast);
 115          $mform->setDefault('attemptonlast', $CFG->quiz_attemptonlast);
 116  
 117          $mform->addElement('selectyesno', 'adaptive', get_string("adaptive", "quiz"));
 118          $mform->setHelpButton('adaptive', array("adaptive", get_string("adaptive","quiz"), "quiz"));
 119          $mform->setAdvanced('adaptive', $CFG->quiz_fix_adaptive);
 120          $mform->setDefault('adaptive', $CFG->quiz_optionflags & QUESTION_ADAPTIVE);
 121  
 122  
 123  //-------------------------------------------------------------------------------
 124          $mform->addElement('header', 'gradeshdr', get_string('grades', 'grades'));
 125          $mform->addElement('select', 'grademethod', get_string("grademethod", "quiz"), quiz_get_grading_options());
 126          $mform->setHelpButton('grademethod', array("grademethod", get_string("grademethod","quiz"), "quiz"));
 127          $mform->setAdvanced('grademethod', $CFG->quiz_fix_grademethod);
 128          $mform->setDefault('grademethod', $CFG->quiz_grademethod);
 129  
 130          $mform->addElement('selectyesno', 'penaltyscheme', get_string("penaltyscheme", "quiz"));
 131          $mform->setHelpButton('penaltyscheme', array("penaltyscheme", get_string("penaltyscheme","quiz"), "quiz"));
 132          $mform->setAdvanced('penaltyscheme', $CFG->quiz_fix_penaltyscheme);
 133          $mform->setDefault('penaltyscheme', $CFG->quiz_penaltyscheme);
 134  
 135          $options = array(
 136                      0 => '0',
 137                      1 => '1',
 138                      2 => '2',
 139                      3 => '3');
 140          $mform->addElement('select', 'decimalpoints', get_string("decimaldigits", "quiz"), $options);
 141          $mform->setHelpButton('decimalpoints', array("decimalpoints", get_string("decimaldigits","quiz"), "quiz"));
 142          $mform->setAdvanced('decimalpoints', $CFG->quiz_fix_decimalpoints);
 143          $mform->setDefault('decimalpoints', $CFG->quiz_decimalpoints);
 144  
 145          $mform->addElement('hidden', 'grade', $CFG->quiz_maximumgrade);
 146  
 147  //-------------------------------------------------------------------------------
 148          $mform->addElement('header', 'reviewoptionshdr', get_string('reviewoptionsheading', 'quiz'));
 149          $mform->setHelpButton('reviewoptionshdr', array('reviewoptions', get_string('reviewoptionsheading','quiz'), 'quiz'));
 150          $mform->setAdvanced('reviewoptionshdr', $CFG->quiz_fix_review);
 151  
 152          $immediatelyoptionsgrp=array();
 153          $immediatelyoptionsgrp[] = &$mform->createElement('checkbox', 'responsesimmediately', '', get_string('responses', 'quiz'));
 154          $immediatelyoptionsgrp[] = &$mform->createElement('checkbox', 'answersimmediately', '', get_string('answers', 'quiz'));
 155          $immediatelyoptionsgrp[] = &$mform->createElement('checkbox', 'feedbackimmediately', '', get_string('feedback', 'quiz'));
 156          $immediatelyoptionsgrp[] = &$mform->createElement('checkbox', 'generalfeedbackimmediately', '', get_string('generalfeedback', 'quiz'));
 157          $immediatelyoptionsgrp[] = &$mform->createElement('checkbox', 'scoreimmediately', '', get_string('scores', 'quiz'));
 158          $immediatelyoptionsgrp[] = &$mform->createElement('checkbox', 'overallfeedbackimmediately', '', get_string('overallfeedback', 'quiz'));
 159          $mform->addGroup($immediatelyoptionsgrp, 'immediatelyoptionsgrp', get_string("reviewimmediately", "quiz"), null, false);
 160          $mform->setDefault('responsesimmediately', $CFG->quiz_review & QUIZ_REVIEW_RESPONSES & QUIZ_REVIEW_IMMEDIATELY);
 161          $mform->setDefault('answersimmediately', $CFG->quiz_review & QUIZ_REVIEW_ANSWERS & QUIZ_REVIEW_IMMEDIATELY);
 162          $mform->setDefault('feedbackimmediately', $CFG->quiz_review & QUIZ_REVIEW_FEEDBACK & QUIZ_REVIEW_IMMEDIATELY);
 163          $mform->setDefault('generalfeedbackimmediately', $CFG->quiz_review & QUIZ_REVIEW_GENERALFEEDBACK & QUIZ_REVIEW_IMMEDIATELY);
 164          $mform->setDefault('scoreimmediately', $CFG->quiz_review & QUIZ_REVIEW_SCORES & QUIZ_REVIEW_IMMEDIATELY);
 165          $mform->setDefault('overallfeedbackimmediately', $CFG->quiz_review & QUIZ_REVIEW_OVERALLFEEDBACK & QUIZ_REVIEW_IMMEDIATELY);
 166  
 167          $openoptionsgrp=array();
 168          $openoptionsgrp[] = &$mform->createElement('checkbox', 'responsesopen', '', get_string('responses', 'quiz'));
 169          $openoptionsgrp[] = &$mform->createElement('checkbox', 'answersopen', '', get_string('answers', 'quiz'));
 170          $openoptionsgrp[] = &$mform->createElement('checkbox', 'feedbackopen', '', get_string('feedback', 'quiz'));
 171          $openoptionsgrp[] = &$mform->createElement('checkbox', 'generalfeedbackopen', '', get_string('generalfeedback', 'quiz'));
 172          $openoptionsgrp[] = &$mform->createElement('checkbox', 'scoreopen', '', get_string('scores', 'quiz'));
 173          $openoptionsgrp[] = &$mform->createElement('checkbox', 'overallfeedbackopen', '', get_string('overallfeedback', 'quiz'));
 174          $mform->addGroup($openoptionsgrp, 'openoptionsgrp', get_string("reviewopen", "quiz"), array(' '), false);
 175          $mform->setDefault('responsesopen', $CFG->quiz_review & QUIZ_REVIEW_RESPONSES & QUIZ_REVIEW_OPEN);
 176          $mform->setDefault('answersopen', $CFG->quiz_review & QUIZ_REVIEW_ANSWERS & QUIZ_REVIEW_OPEN);
 177          $mform->setDefault('feedbackopen', $CFG->quiz_review & QUIZ_REVIEW_FEEDBACK & QUIZ_REVIEW_OPEN);
 178          $mform->setDefault('generalfeedbackopen', $CFG->quiz_review & QUIZ_REVIEW_GENERALFEEDBACK & QUIZ_REVIEW_OPEN);
 179          $mform->setDefault('scoreopen', $CFG->quiz_review & QUIZ_REVIEW_SCORES & QUIZ_REVIEW_OPEN);
 180          $mform->setDefault('overallfeedbackopen', $CFG->quiz_review & QUIZ_REVIEW_OVERALLFEEDBACK & QUIZ_REVIEW_OPEN);
 181  
 182  
 183          $closedoptionsgrp=array();
 184          $closedoptionsgrp[] = &$mform->createElement('checkbox', 'responsesclosed', '', get_string('responses', 'quiz'));
 185          $closedoptionsgrp[] = &$mform->createElement('checkbox', 'answersclosed', '', get_string('answers', 'quiz'));
 186          $closedoptionsgrp[] = &$mform->createElement('checkbox', 'feedbackclosed', '', get_string('feedback', 'quiz'));
 187          $closedoptionsgrp[] = &$mform->createElement('checkbox', 'generalfeedbackclosed', '', get_string('generalfeedback', 'quiz'));
 188          $closedoptionsgrp[] = &$mform->createElement('checkbox', 'scoreclosed', '', get_string('scores', 'quiz'));
 189          $closedoptionsgrp[] = &$mform->createElement('checkbox', 'overallfeedbackclosed', '', get_string('overallfeedback', 'quiz'));
 190          $mform->addGroup($closedoptionsgrp, 'closedoptionsgrp', get_string("reviewclosed", "quiz"), array(' '), false);
 191          $mform->setDefault('responsesclosed', $CFG->quiz_review & QUIZ_REVIEW_RESPONSES & QUIZ_REVIEW_CLOSED);
 192          $mform->setDefault('answersclosed', $CFG->quiz_review & QUIZ_REVIEW_ANSWERS & QUIZ_REVIEW_CLOSED);
 193          $mform->setDefault('feedbackclosed', $CFG->quiz_review & QUIZ_REVIEW_FEEDBACK & QUIZ_REVIEW_CLOSED);
 194          $mform->setDefault('generalfeedbackclosed', $CFG->quiz_review & QUIZ_REVIEW_GENERALFEEDBACK & QUIZ_REVIEW_CLOSED);
 195          $mform->setDefault('scoreclosed', $CFG->quiz_review & QUIZ_REVIEW_SCORES & QUIZ_REVIEW_CLOSED);
 196          $mform->setDefault('overallfeedbackclosed', $CFG->quiz_review & QUIZ_REVIEW_OVERALLFEEDBACK & QUIZ_REVIEW_CLOSED);
 197  
 198  //-------------------------------------------------------------------------------
 199          $mform->addElement('header', 'security', get_string('security', 'form'));
 200  
 201          $mform->addElement('selectyesno', 'popup', get_string("popup", "quiz"));
 202          $mform->setHelpButton('popup', array("popup", get_string("popup", "quiz"), "quiz"));
 203          $mform->setAdvanced('popup', $CFG->quiz_fix_popup);
 204          $mform->setDefault('popup', $CFG->quiz_popup);
 205  
 206          $mform->addElement('passwordunmask', 'quizpassword', get_string("requirepassword", "quiz"));
 207          $mform->setType('quizpassword', PARAM_TEXT);
 208          $mform->setHelpButton('quizpassword', array("requirepassword", get_string("requirepassword", "quiz"), "quiz"));
 209          $mform->setAdvanced('quizpassword', $CFG->quiz_fix_password);
 210          $mform->setDefault('quizpassword', $CFG->quiz_password);
 211  
 212          $mform->addElement('text', 'subnet', get_string("requiresubnet", "quiz"));
 213          $mform->setType('subnet', PARAM_TEXT);
 214          $mform->setHelpButton('subnet', array("requiresubnet", get_string("requiresubnet", "quiz"), "quiz"));
 215          $mform->setAdvanced('subnet', $CFG->quiz_fix_subnet);
 216          $mform->setDefault('subnet', $CFG->quiz_subnet);
 217  
 218  //-------------------------------------------------------------------------------
 219          $features = new stdClass;
 220          $features->groups = true;
 221          $features->groupings = true;
 222          $features->groupmembersonly = true;
 223          $this->standard_coursemodule_elements($features);
 224  //-------------------------------------------------------------------------------
 225          $mform->addElement('header', 'overallfeedbackhdr', get_string('overallfeedback', 'quiz'));
 226          $mform->setHelpButton('overallfeedbackhdr', array('overallfeedback', get_string('overallfeedback', 'quiz'), 'quiz'));
 227  
 228          $mform->addElement('static', 'gradeboundarystatic1', get_string('gradeboundary', 'quiz'), '100%');
 229  
 230          $repeatarray=array();
 231          $repeatarray[] = &MoodleQuickForm::createElement('text', 'feedbacktext', get_string('feedback', 'quiz'), array('size' => 50));
 232          $repeatarray[] = &MoodleQuickForm::createElement('text', 'feedbackboundaries', get_string('gradeboundary', 'quiz'), array('size' => 10));
 233  
 234          if (!empty($this->_instance)) {
 235              $this->_feedbacks = get_records('quiz_feedback', 'quizid', $this->_instance, 'mingrade DESC');
 236          } else {
 237              $this->_feedbacks = array();
 238          }
 239          $numfeedbacks = max(count($this->_feedbacks) * 1.5, 5);
 240  
 241          $mform->setType('feedbacktext', PARAM_RAW);
 242          $mform->setType('feedbackboundaries', PARAM_NOTAGS);
 243  
 244          $nextel=$this->repeat_elements($repeatarray, $numfeedbacks-1,
 245                  array(), 'boundary_repeats', 'boundary_add_fields', 3,
 246                  get_string('addmoreoverallfeedbacks', 'quiz'), true);
 247  
 248          //put some extra elements in before the button
 249          $insertEl = &MoodleQuickForm::createElement('text', "feedbacktext[$nextel]", get_string('feedback', 'quiz'), array('size' => 50));
 250          $mform->insertElementBefore($insertEl, 'boundary_add_fields');
 251  
 252          $insertEl = &MoodleQuickForm::createElement('static', 'gradeboundarystatic2', get_string('gradeboundary', 'quiz'), '0%');
 253          $mform->insertElementBefore($insertEl, 'boundary_add_fields');
 254  
 255  //-------------------------------------------------------------------------------
 256          // buttons
 257          $this->add_action_buttons();
 258      }
 259  
 260      function data_preprocessing(&$default_values){
 261          if (count($this->_feedbacks)) {
 262              $key = 0;
 263              foreach ($this->_feedbacks as $feedback){
 264                  $default_values['feedbacktext['.$key.']'] = $feedback->feedbacktext;
 265                  if ($feedback->mingrade > 0) {
 266                      $default_values['feedbackboundaries['.$key.']'] = (100.0 * $feedback->mingrade / $default_values['grade']) . '%';
 267                  }
 268                  $key++;
 269              }
 270          }
 271  
 272          if (isset($default_values['timelimit'])) {
 273              $default_values['timelimitenable'] = $default_values['timelimit'] > 0;
 274          }
 275  
 276          if (isset($default_values['review'])){
 277              $review = (int)$default_values['review'];
 278              unset($default_values['review']);
 279  
 280              $default_values['responsesimmediately'] = $review & QUIZ_REVIEW_RESPONSES & QUIZ_REVIEW_IMMEDIATELY;
 281              $default_values['answersimmediately'] = $review & QUIZ_REVIEW_ANSWERS & QUIZ_REVIEW_IMMEDIATELY;
 282              $default_values['feedbackimmediately'] = $review & QUIZ_REVIEW_FEEDBACK & QUIZ_REVIEW_IMMEDIATELY;
 283              $default_values['generalfeedbackimmediately'] = $review & QUIZ_REVIEW_GENERALFEEDBACK & QUIZ_REVIEW_IMMEDIATELY;
 284              $default_values['scoreimmediately'] = $review & QUIZ_REVIEW_SCORES & QUIZ_REVIEW_IMMEDIATELY;
 285              $default_values['overallfeedbackimmediately'] = $review & QUIZ_REVIEW_OVERALLFEEDBACK & QUIZ_REVIEW_IMMEDIATELY;
 286  
 287              $default_values['responsesopen'] = $review & QUIZ_REVIEW_RESPONSES & QUIZ_REVIEW_OPEN;
 288              $default_values['answersopen'] = $review & QUIZ_REVIEW_ANSWERS & QUIZ_REVIEW_OPEN;
 289              $default_values['feedbackopen'] = $review & QUIZ_REVIEW_FEEDBACK & QUIZ_REVIEW_OPEN;
 290              $default_values['generalfeedbackopen'] = $review & QUIZ_REVIEW_GENERALFEEDBACK & QUIZ_REVIEW_OPEN;
 291              $default_values['scoreopen'] = $review & QUIZ_REVIEW_SCORES & QUIZ_REVIEW_OPEN;
 292              $default_values['overallfeedbackopen'] = $review & QUIZ_REVIEW_OVERALLFEEDBACK & QUIZ_REVIEW_OPEN;
 293  
 294              $default_values['responsesclosed'] = $review & QUIZ_REVIEW_RESPONSES & QUIZ_REVIEW_CLOSED;
 295              $default_values['answersclosed'] = $review & QUIZ_REVIEW_ANSWERS & QUIZ_REVIEW_CLOSED;
 296              $default_values['feedbackclosed'] = $review & QUIZ_REVIEW_FEEDBACK & QUIZ_REVIEW_CLOSED;
 297              $default_values['generalfeedbackclosed'] = $review & QUIZ_REVIEW_GENERALFEEDBACK & QUIZ_REVIEW_CLOSED;
 298              $default_values['scoreclosed'] = $review & QUIZ_REVIEW_SCORES & QUIZ_REVIEW_CLOSED;
 299              $default_values['overallfeedbackclosed'] = $review & QUIZ_REVIEW_OVERALLFEEDBACK & QUIZ_REVIEW_CLOSED;
 300          }
 301  
 302          if (isset($default_values['optionflags'])){
 303              $default_values['adaptive'] = $default_values['optionflags'] & QUESTION_ADAPTIVE;
 304              unset($default_values['optionflags']);
 305          }
 306  
 307          // Password field - different in form to stop browsers that remember passwords
 308          // getting confused.
 309          if (isset($default_values['password'])) {
 310              $default_values['quizpassword'] = $default_values['password'];
 311              unset($default_values['password']);
 312          }
 313      }
 314  
 315      function validation($data, $files) {
 316          $errors = parent::validation($data, $files);
 317  
 318          // Check open and close times are consistent.
 319          if ($data['timeopen'] != 0 && $data['timeclose'] != 0 && $data['timeclose'] < $data['timeopen']) {
 320              $errors['timeclose'] = get_string('closebeforeopen', 'quiz');
 321          }
 322  
 323          // Check the boundary value is a number or a percentage, and in range.
 324          $i = 0;
 325          while (!empty($data['feedbackboundaries'][$i] )) {
 326              $boundary = trim($data['feedbackboundaries'][$i]);
 327              if (strlen($boundary) > 0 && $boundary[strlen($boundary) - 1] == '%') {
 328                  $boundary = trim(substr($boundary, 0, -1));
 329                  if (is_numeric($boundary)) {
 330                      $boundary = $boundary * $data['grade'] / 100.0;
 331                  } else {
 332                      $errors["feedbackboundaries[$i]"] = get_string('feedbackerrorboundaryformat', 'quiz', $i + 1);
 333                  }
 334              }
 335              if (is_numeric($boundary) && $boundary <= 0 || $boundary >= $data['grade'] ) {
 336                  $errors["feedbackboundaries[$i]"] = get_string('feedbackerrorboundaryoutofrange', 'quiz', $i + 1);
 337              }
 338              if (is_numeric($boundary) && $i > 0 && $boundary >= $data['feedbackboundaries'][$i - 1]) {
 339                  $errors["feedbackboundaries[$i]"] = get_string('feedbackerrororder', 'quiz', $i + 1);
 340              }
 341              $data['feedbackboundaries'][$i] = $boundary;
 342              $i += 1;
 343          }
 344          $numboundaries = $i;
 345  
 346          // Check there is nothing in the remaining unused fields.
 347          for ($i = $numboundaries; $i < count($data['feedbackboundaries'] ); $i += 1) {
 348              if (!empty($data['feedbackboundaries'][$i] ) && trim($data['feedbackboundaries'][$i] ) != '') {
 349                  $errors["feedbackboundaries[$i]"] = get_string('feedbackerrorjunkinboundary', 'quiz', $i + 1);
 350              }
 351          }
 352          for ($i = $numboundaries + 1; $i < count($data['feedbacktext'] ); $i += 1) {
 353              if (!empty($data['feedbacktext'][$i] ) && trim($data['feedbacktext'][$i] ) != '') {
 354                  $errors["feedbacktext[$i]"] = get_string('feedbackerrorjunkinfeedback', 'quiz', $i + 1);
 355              }
 356          }
 357  
 358          if (count($errors) == 0) {
 359              return true;
 360          } else {
 361              return $errors;
 362          }
 363      }
 364  
 365  }
 366  ?>


Generated: Wed Jan 14 11:33:29 2009 Cross-referenced by PHPXref 0.7