function qformat_blackboard::process_mc in Quiz 6.5

Same name and namespace in other branches

1. 6.6 includes/moodle/question/format/blackboard/format.php \qformat_blackboard::process_mc()

1 call to qformat_blackboard::process_mc()

qformat_blackboard::readquestions in includes/moodle/question/format/blackboard/format.php

Parses an array of lines into an array of questions, where each item is a question object as defined by readquestion(). Questions are defined as anything between blank lines.

File

includes/moodle/question/format/blackboard/format.php, line 173

Class

qformat_blackboard

Code

function process_mc($xml, &$questions) {
  if (isset($xml["POOL"]["#"]["QUESTION_MULTIPLECHOICE"])) {
    $mcquestions = $xml["POOL"]["#"]["QUESTION_MULTIPLECHOICE"];
  }
  else {
    return;
  }
  for ($i = 0; $i < sizeof($mcquestions); $i++) {
    $question = $this
      ->defaultquestion();
    $question->qtype = MULTICHOICE;
    $question->single = 1;

    // Only one answer is allowed
    $thisquestion = $mcquestions[$i];

    // determine if the question is already escaped html
    $ishtml = $thisquestion["#"]["BODY"][0]["#"]["FLAGS"][0]["#"]["ISHTML"][0]["@"]["value"];

    // put questiontext in question object
    if ($ishtml) {
      $question->questiontext = html_entity_decode_php4(trim($thisquestion["#"]["BODY"][0]["#"]["TEXT"][0]["#"]));
    }
    $question->questiontext = addslashes($question->questiontext);

    // put name of question in question object, careful of length
    $question->name = substr($question->questiontext, 0, 254);
    $choices = $thisquestion["#"]["ANSWER"];
    for ($j = 0; $j < sizeof($choices); $j++) {
      $choice = trim($choices[$j]["#"]["TEXT"][0]["#"]);

      // put this choice in the question object.
      if ($ishtml) {
        $question->answer[$j] = html_entity_decode_php4($choice);
      }
      $question->answer[$j] = addslashes($question->answer[$j]);
      $id = $choices[$j]["@"]["id"];
      $correct_answer_id = $thisquestion["#"]["GRADABLE"][0]["#"]["CORRECTANSWER"][0]["@"]["answer_id"];

      // if choice is the answer, give 100%, otherwise give 0%
      if (strcmp($id, $correct_answer_id) == 0) {
        $question->fraction[$j] = 1;
        if ($ishtml) {
          $question->feedback[$j] = html_entity_decode_php4(trim(@$thisquestion["#"]["GRADABLE"][0]["#"]["FEEDBACK_WHEN_CORRECT"][0]["#"]));
        }
        $question->feedback[$j] = addslashes($question->feedback[$j]);
      }
      else {
        $question->fraction[$j] = 0;
        if ($ishtml) {
          $question->feedback[$j] = html_entity_decode_php4(trim(@$thisquestion["#"]["GRADABLE"][0]["#"]["FEEDBACK_WHEN_INCORRECT"][0]["#"]));
        }
        $question->feedback[$j] = addslashes($question->feedback[$j]);
      }
    }
    $questions[] = $question;
  }
}