/**
* (non-PHPdoc)
* @see WPCW_quiz_base::renderForm_toString()
*/
function renderForm_toString($parentQuiz, $questionNum, $selectedAnswer, $showAsError, $errorToShow = false)
{
// Process all answers to give them an index. Count must be 1 indexed to avoid disappearing
// due to 0 evaluating to false.
if ($this->quizItem->question_data_answers) {
// Extract answers into raw format.
$this->answerListRaw = WPCW_quizzes_decodeAnswers($this->quizItem->question_data_answers);
// If the user has requested the answers to be randomized, then use this. This function
// with automatically check and handle the randomization and update $this->answerListRaw.
$this->processAnswersWithRandomOption();
// Got answers, so break up into a list of answer => value
if ($this->answerListRaw) {
$this->answerList = array();
$this->answerImageList = array();
foreach ($this->answerListRaw as $idx => $answerItem) {
$answerKey = 'ans_' . $idx;
// Reversing the answer value to key here..
$this->answerList[trim($answerItem['answer'])] = $answerKey;
// Store the image if we have one.
if (isset($answerItem['image'])) {
$this->answerImageList[$answerKey] = $answerItem['image'];
}
}
}
}
// end of answer check
// Add the hint if there is one
if ($this->quizItem->question_answer_hint) {
$this->extraQuizHTMLAfter .= sprintf('<div class="wpcw_fe_quiz_q_hint">%s</div>', nl2br(htmlspecialchars($this->quizItem->question_answer_hint)));
}
// Handover to parent. All multiple choice answers are prefixed with 'ans_'.
return parent::renderForm_toString_withClass($parentQuiz, $questionNum, 'ans_' . $selectedAnswer, $showAsError, 'wpcw_fe_quiz_q_multi', $errorToShow);
}
/**
* Get the associated image for a multi-choice question based on the selected answer.
*
* @param Object $question The question object.
* @param Mixed $answerIdx If specified, the index of the raw answer.
*
* @return String The answer for the question.
*/
function fetch_quizzes_getImageForAnswer($question, $answerIdx)
{
// Multi-choice questions have images, no others do.
if ('multi' != $question->question_type) {
return false;
}
// Turn list of answers into array then use 1-indexing to get the image of the result.
$answerListRaw = WPCW_quizzes_decodeAnswers($question->question_data_answers);
$imageURL = false;
// Just double check that the selected answer is valid.
// 2013-12-06 - Added <= rather than < count for the final answer to accept the final answer.
// Because it's 1-indexed, not 0 indexed.
if ($answerIdx >= 0 && $answerIdx <= count($answerListRaw) && isset($answerListRaw[$answerIdx])) {
if (isset($answerListRaw[$answerIdx]['image'])) {
$imageURL = $answerListRaw[$answerIdx]['image'];
}
}
return $imageURL;
}
