/**
* Callback function for preg_replace_callback.
* Returns replacement code by MIME type.
* @param $matches (string) array containing matches: $matches[0] is the complete match, $matches[1] the match for the first subpattern enclosed in '(...)' and so on
* @return string replacement string by file extension
*/
function F_objects_callback($matches)
{
$width = 0;
$height = 0;
$alt = '';
if (isset($matches[3]) and $matches[3] > 0) {
$width = $matches[3];
}
if (isset($matches[4]) and $matches[4] > 0) {
$height = $matches[4];
}
if (isset($matches[5]) and !empty($matches[5])) {
$alt = F_tcecodeToTitle($matches[5]);
}
return F_objects_replacement($matches[1], $matches[2], $width, $height, $alt);
}
/**
* Returns a questions menu and navigator buttons.
* @param $testdata (array) test data
* @param $testuser_id (int) user's test ID
* @param $testlog_id (int) test log ID
* @param $disable (boolean) if TRUE disable the questions list.
* @return string XHTML code
*/
function F_questionsMenu($testdata, $testuser_id, $testlog_id = 0, $disable = false)
{
require_once '../config/tce_config.php';
require_once '../../shared/code/tce_functions_tcecode.php';
global $db, $l;
$testuser_id = intval($testuser_id);
$testlog_id = intval($testlog_id);
$str = '';
$testlog_id_prev = 0;
// previous question ID
$testlog_id_next = 0;
// next question ID
$testlog_id_last = 0;
// temp variable
$sql = 'SELECT question_description, question_difficulty, question_timer, testlog_id, testlog_answer_text, testlog_display_time, testlog_change_time
FROM ' . K_TABLE_QUESTIONS . ', ' . K_TABLE_TESTS_LOGS . '
WHERE question_id=testlog_question_id
AND testlog_testuser_id=' . $testuser_id . '
ORDER BY testlog_id';
if ($r = F_db_query($sql, $db)) {
while ($m = F_db_fetch_array($r)) {
if ($m['testlog_id'] != $testlog_id) {
$str .= '<li>';
$str .= '<input type="submit" name="jumpquestion_' . $m['testlog_id'] . '" id="jumpquestion_' . $m['testlog_id'] . '" value=">" title="' . F_tcecodeToTitle($m['question_description']) . '" /> ';
if ($testlog_id_last == $testlog_id) {
$testlog_id_next = $m['testlog_id'];
}
} else {
$str .= '<li class="selected">';
$str .= '<input type="button" name="jumpquestion_' . $m['testlog_id'] . '" id="jumpquestion_' . $m['testlog_id'] . '" value=">" title="' . F_tcecodeToTitle($m['question_description']) . '" disabled="disabled"/> ';
$testlog_id_prev = $testlog_id_last;
$question_timer = F_getBoolean($m['question_timer']);
}
// display mark when the current question has been displayed
$str .= '<acronym';
if (!empty($m['testlog_display_time'])) {
$str .= ' class="onbox"';
$str .= ' title="' . $l['h_question_displayed'] . '">+';
} else {
$str .= ' class="offbox"';
$str .= ' title="' . $l['h_question_not_displayed'] . '">-';
}
$str .= '</acronym>';
$str .= ' ';
// show mark when the current question has been answered
$str .= '<acronym';
if (!empty($m['testlog_change_time'])) {
$str .= ' class="onbox"';
$str .= ' title="' . $l['h_question_answered'] . '">+';
} else {
$str .= ' class="offbox"';
$str .= ' title="' . $l['h_question_not_answered'] . '">-';
}
$str .= '</acronym>';
$str .= ' ';
// show question score
$n_question_score = $testdata['test_score_right'] * $m['question_difficulty'];
$str .= '<acronym class="offbox" title="' . $l['w_max_score'] . ': ' . $n_question_score . '">';
$str .= sprintf('% 5.1f', $n_question_score);
$str .= '</acronym>';
$str .= ' ';
if ($testlog_id == 0) {
$testlog_id = $m['testlog_id'];
$testlog_id_last = $testlog_id;
}
$testlog_id_last = $m['testlog_id'];
$str .= F_tcecodeToLine($m['question_description']);
$str .= '</li>' . K_NEWLINE;
}
} else {
F_display_db_error();
}
// build quick navigator links (previous - next)
$navlink = '';
// button for previous question
if (!$question_timer) {
$navlink .= '<input type="submit" name="prevquestion" id="prevquestion" value="< ' . $l['w_previous'] . '" title="' . $l['w_previous'] . '"';
if ($testlog_id_prev <= 0 or $testlog_id_prev > $testlog_id) {
$navlink .= ' disabled="disabled"';
}
$navlink .= ' />';
// button for confirm current question
$navlink .= '<input type="submit" name="confirmanswer" id="confirmanswer" value="' . $l['w_confirm'] . '" />';
}
// button for next question
$navlink .= '<input type="submit" name="nextquestion" id="nextquestion" value="' . $l['w_next'] . ' >" title="' . $l['w_next'] . '"';
if ($testlog_id_next <= 0) {
$navlink .= ' disabled="disabled"';
}
$navlink .= ' />' . K_NEWLINE;
if (($question_timer or $disable) and $testlog_id_next <= 0) {
// force test termination
$navlink .= '<input type="hidden" name="forceterminate" id="forceterminate" value="lasttimedquestion" />' . K_NEWLINE;
}
$navlink .= '<input type="hidden" name="prevquestionid" id="prevquestionid" value="' . $testlog_id_prev . '" />' . K_NEWLINE;
$navlink .= '<input type="hidden" name="nextquestionid" id="nextquestionid" value="' . $testlog_id_next . '" />' . K_NEWLINE;
$navlink .= '<input type="hidden" name="autonext" id="autonext" value="" />' . K_NEWLINE;
$navlink = '<div class="navlink">' . $navlink . '</div>' . K_NEWLINE;
$rstr = '';
$rstr .= '<br />' . K_NEWLINE;
$rstr .= $navlink;
$rstr .= '<br />' . K_NEWLINE;
if (F_getBoolean($testdata['test_menu_enabled']) and !$disable) {
// display questions menu
$rstr .= '<a name="questionssection" id="questionssection"></a>' . K_NEWLINE;
$rstr .= '<div class="tcecontentbox">' . K_NEWLINE;
//fieldset
//$rstr .= '<legend>';
$rstr .= $l['w_questions'];
//$rstr .= '</legend>'.K_NEWLINE;
$rstr .= '<ol class="qlist">' . K_NEWLINE . $str . '</ol>' . K_NEWLINE;
$rstr .= '</div>' . K_NEWLINE;
//fieldset
$rstr .= '<br />' . K_NEWLINE;
}
return $rstr;
}