$loadScripts[] = 'includes/content';
$loadScripts[] = 'includes/comments';
if (!isset($currentContent)) {
if (!$currentLesson) {
if ($_GET['view_unit']) {
$unit = new EfrontUnit($_GET['view_unit']);
$currentLesson = new EfrontLesson($unit['lessons_ID']);
} elseif ($_GET['package_ID']) {
$unit = new EfrontUnit($_GET['package_ID']);
$currentLesson = new EfrontLesson($unit['lessons_ID']);
}
$_SESSION['s_lessons_ID'] = $currentLesson->lesson['id'];
}
$currentContent = new EfrontContentTree($currentLesson);
if ($_student_) {
$currentContent->markSeenNodes($currentUser);
}
}
//Legal values are the array of entities that the current user may actually edit or change.
foreach (new EfrontNodeFilterIterator(new RecursiveIteratorIterator(new RecursiveArrayIterator($currentContent->tree), RecursiveIteratorIterator::SELF_FIRST)) as $key => $value) {
$legalValues[] = $key;
}
if (isset($_GET['add']) || isset($_GET['edit']) && in_array($_GET['edit'], $legalValues) && eF_checkParameter($_GET['edit'], 'id') && $_change_) {
try {
if ($_GET['edit']) {
$currentUnit = $currentContent->seekNode($_GET['edit']);
//The content tree does not hold data, so assign this unit its data
$unitData = new EfrontUnit($_GET['edit']);
$currentUnit['data'] = $unitData['data'];
$currentUnitName = $unitData['name'];
} else {
