function latexAppendQuestion($name, $desc, $type, $answer)
{
$typeArray = getTypeArray($type);
$question_string = "";
if ($typeArray['type'] == "text") {
if ($name != "") {
$question_string .= '\\textbf{' . latexSpecialChars($name) . '}';
//add main in bold
}
if ($desc != "") {
if ($name != "") {
$question_string .= '\\newline';
}
$question_string .= '\\emph{' . latexSpecialChars($desc) . '}';
//add description in italics
}
$question_string .= '\\newline\\newline';
return $question_string;
} else {
if ($typeArray['type'] == "latex") {
$question_string .= $desc;
return $question_string;
} else {
if ($typeArray['type'] == "code") {
$question_string .= '\\text{' . get_html_to_latex(page_convert($desc)) . '}';
return $question_string;
} else {
if ($typeArray['type'] == "repeat") {
$num = $typeArray['num'];
$subtype_array = explode("|", $typeArray['subtype']);
$desc_array = explode("|", $desc);
$name_array = explode("|", $name);
if ($answer != '') {
$answer_array = toArray($answer, "|", "=");
} else {
$answer_array = array_fill(0, count($name_array) * $num, '');
}
//find minimum length, which will be the number to repeat for
$min_length = min(count($subtype_array), count($desc_array), count($name_array));
for ($i = 0; $i < $min_length * $num; $i++) {
$index = $i % $min_length;
$n = intval($i / $min_length);
$thisName = getRepeatThisValue($name_array, $index, $n);
$thisDesc = getRepeatThisValue($desc_array, $index, $n);
$thisType = str_replace(",", ";", getRepeatThisValue($subtype_array, $index, $n));
$question_string .= latexAppendQuestion($thisName, $thisDesc, $thisType, $answer_array[$i]);
}
} else {
if ($name != "") {
$question_string .= '\\textbf{' . latexSpecialChars($name) . '}';
//add question in bold
}
//add description (in bold) for essays and short answer
if (($typeArray['type'] == "essay" || $typeArray['type'] == "short") && $desc != "") {
if ($name != "") {
$question_string .= '\\newline';
}
$question_string .= '\\emph{' . latexSpecialChars($desc) . '}';
//add description in italics
}
//add a separator depending on main type of the question
if ($typeArray['type'] == "essay") {
$question_string .= "\n\n";
}
if ($typeArray['type'] == "select" && $typeArray['method'] != "dropdown") {
//in this case, we add tick marks and check the correct ones
$choices = explode(";", $desc);
//get answer as array in case we're using multiple selection
$config = $GLOBALS['config'];
$answerArray = explode($config['form_array_delimiter'], $answer);
//this is used to indent the answer choices
$question_string .= "\n\\begin{quote}\n";
//output each choice with check box before it on a separate line in the quote
for ($i = 0; $i < count($choices); $i++) {
$choice = $choices[$i];
if ($i != 0) {
$question_string .= "\\\\\n ";
}
if (in_array($choice, $answerArray)) {
$question_string .= '\\xbox';
} else {
$question_string .= '\\tickbox';
}
$question_string .= " \\hspace{4pt} " . latexSpecialChars($choice);
}
$question_string .= "\\end{quote}";
} else {
//append the response
if ($typeArray['type'] == "essay") {
if ($answer != "") {
$question_string .= '\\begin{quote} ' . latexSpecialChars($answer) . '\\end{quote}';
} else {
$question_string .= '\\vspace{5ex}';
}
} else {
if ($answer != "") {
$question_string .= '\\begin{quote} ' . latexSpecialChars($answer) . ' \\end{quote}';
} else {
$question_string .= '\\vspace{1ex}';
}
}
}
$question_string .= "\n\n";
}
}
}
}
return $question_string;
}
function html_to_latex($html)
{
echo get_html_to_latex($html);
}
