function load()
{
$isFirst = TRUE;
// check if the user attende the course
if ($GLOBALS['course_descriptor']->getValue('course_type') == 'classroom') {
require_once _lms_ . '/lib/lib.date.php';
$man_date = new DateManager();
$this->user_presence = $man_date->checkUserPresence(getLogUserId(), $_SESSION['idCourse']);
}
$tree = $this->printState();
$coll = $this->_retrieveData();
$stack = array();
$level = 0;
$count = 0;
$tree .= '<div class="TreeViewContainer">' . "\n";
$folder = $this->tdb->getRootFolder();
$stack[$level] = array();
$stack[$level]['folder'] = $folder;
$stack[$level]['childs'] = $this->posTree[0];
$stack[$level]['isLast'] = TRUE;
$stack[$level]['isLeaf'] = FALSE;
$stack[$level]['isExpanded'] = FALSE;
$stack[$level]['idSeq'] = $folder->id;
$stack[$level]['isFirst'] = $isFirst;
$tree .= '<div class="TreeViewRowOdd" id="row_' . $stack[$level]['idSeq'] . '">';
$tree .= $this->printElement($stack, $level);
$tree .= '</div>';
$level++;
if ($coll !== FALSE) {
while ($folder = $coll->getNext()) {
list($key, $val) = each($stack[$level - 1]['childs']);
$stack[$level] = array();
$stack[$level]['folder'] = $folder;
$stack[$level]['childs'] = $val;
$stack[$level]['isFirst'] = $isFirst;
$isFirst = FALSE;
if (current($stack[$level - 1]['childs'])) {
$stack[$level]['isLast'] = false;
} else {
$stack[$level]['isLast'] = true;
}
if (is_array($val)) {
$stack[$level]['isExpanded'] = TRUE;
} else {
$stack[$level]['isExpanded'] = FALSE;
}
if ($folder->countChildrens() > 0) {
$stack[$level]['isLeaf'] = FALSE;
} else {
$stack[$level]['isLeaf'] = TRUE;
}
$stack[$level]['idSeq'] = $stack[$level - 1]['idSeq'] . '.' . $folder->id;
$row_content = $this->printElement($stack, $level);
if ($row_content !== false) {
$count++;
if ($count % 2 == 0) {
$tree .= '<div class="TreeViewRowOdd" id="row_' . $stack[$level]['idSeq'] . '">';
} else {
$tree .= '<div class="TreeViewRowEven" id="row_' . $stack[$level]['idSeq'] . '">';
}
$tree .= $row_content;
$tree .= '</div>';
if (is_array($val)) {
$level++;
$isFirst = TRUE;
} else {
if ($stack[$level]['isLast']) {
while ($stack[$level]['isLast'] && $level > 1) {
$level--;
}
}
}
}
}
} else {
$tree .= "\n<!-- coll is null -->";
}
/* echo "\n<!-- diag ";
print_r( $this->posTree );
print_r( $this->posFlat );
print_r( $this->expandList );
print_r( $this->compressList );
echo "-->\n"; */
$tree .= '</div>' . "\n";
return $tree;
}