function class_explode_nodes_iterativeFN($depth, $id_parent, $id_profile, $order, $expand = 1)
{
// this version is intended for tutor or author use only
// returns an array
$sess_id_course_instance = $_SESSION['sess_id_course_instance'];
$sess_id_user = $_SESSION['sess_id_user'];
$sess_id_course = $_SESSION['sess_id_course'];
$sess_id_course_instance = $_SESSION['sess_id_course_instance'];
$sess_id_node = $_SESSION['sess_id_node'];
$id_course = $GLOBALS['id_course'];
$dh = $GLOBALS['dh'];
$debug = $GLOBALS['debug'];
$hide_visits = $GLOBALS['hide_visits'];
$tot_notes = 0;
$childnumber = 0;
$indexAr = array();
$out_fields_ar = array('nome', 'tipo');
$clause = "";
$childrenAr = $dh->find_course_nodes_list($out_fields_ar, $clause, $sess_id_course);
$childrenAr = masort($childrenAr, 1);
// il campo 1 �il nome del nodo
foreach ($childrenAr as $nodeHa) {
$index_item = "";
$id_child = $nodeHa[0];
if (!empty($id_child)) {
$childnumber++;
$child_dataHa = $dh->get_node_info($id_child);
$node_instance = $child_dataHa['instance'];
$id_node_parent = $child_dataHa['parent_id'];
$node_keywords = $child_dataHa['title'];
$parent_dataHa = $dh->get_node_info($id_node_parent);
if (!AMA_datahandler::isError($parent_dataHa) && $parent_dataHa['type'] >= ADA_STANDARD_EXERCISE_TYPE) {
$node_type = 'answer';
} else {
$node_type = $child_dataHa['type'];
}
switch ($node_type) {
// exercises?
case 'answer':
break;
case ADA_LEAF_TYPE:
//node
$alt = translateFN("Nodo inferiore");
$icon = "_nodo.png";
if (!isset($hide_visits) or $hide_visits == 0) {
$visit_count = User::is_visited_by_userFN($id_child, $sess_id_course_instance, $sess_id_user);
}
if (empty($visit_count)) {
$index_item = "<img name=\"nodo\" alt=\"{$alt}\" src=\"img/{$icon}\"> <b><a href=view.php?id_node=" . $id_child . ">" . $child_dataHa['name'] . "</a></b>\n";
} else {
$index_item = "<img name=\"nodo\" alt=\"{$alt}\" src=\"img/{$icon}\"> <a href=view.php?id_node=" . $id_child . ">" . $child_dataHa['name'] . "</a> ({$visit_count})\n";
}
// has user bookmarked this node?
$id_bk = Bookmark::is_node_bookmarkedFN($sess_id_user, $id_child);
if ($id_bk) {
$index_item .= " <a href=\"bookmarks.php?op=zoom&id_bk={$id_bk}\"><img name=\"bookmark\" alt=\"bookmark\" src=\"img/check.png\" border=\"0\"></a>";
}
break;
case ADA_GROUP_TYPE:
//group
$alt = translateFN("Approfondimento");
$icon = "_gruppo.png";
if (!isset($hide_visits) or $hide_visits == 0) {
$visit_count = User::is_visited_by_userFN($id_child, $sess_id_course_instance, $sess_id_user);
}
if (empty($visit_count)) {
$index_item .= "<img name=\"nodo\" alt={$alt} src=\"img/{$icon}\"> <b><a href=view.php?id_node=" . $id_child . ">" . $child_dataHa['name'] . "</a></b>\n";
} else {
$index_item .= "<img name=\"nodo\" alt={$alt} src=\"img/{$icon}\"> <a href=view.php?id_node=" . $id_child . ">" . $child_dataHa['name'] . "</a>({$visit_count})";
}
// is user visiting this node?
if ($id_child == $sess_id_node) {
$index_item .= " <img name=\"attuale\" alt=\"attuale\" src=\"img/_anchor.png\"> ";
}
// has user bookmarked this node?
$id_bk = Bookmark::is_node_bookmarkedFN($sess_id_user, $id_child);
if ($id_bk) {
$index_item .= "<a href=\"bookmarks.php?op=zoom&id_bk={$id_bk}\"><img name=\"bookmark\" alt=\"bookmark\" src=\"img/check.png\" border=\"0\"></a> ";
}
break;
case ADA_NOTE_TYPE:
// note added by users
// note added by users
case ADA_PRIVATE_NOTE_TYPE:
// private note added by users
$index_item = "";
break;
default:
// ?
$index_item = "";
break;
}
// end case
}
// end if
if (!empty($index_item)) {
$indexAr[] = $index_item;
}
}
// end foreach
return $indexAr;
}
/**
* function studentCallback, used to generete an html string for a node
*
* @param array $params - an array of parameters passed to this function from function struct()
* @param array $external_params - an array of parameters passed to this function from struct()'s caller
* @return string
*/
public static function studentCallback($params = array(), $external_params = array())
{
$http_root_dir = $GLOBALS['http_root_dir'];
$show_visits = !$GLOBALS['hide_visits'];
$css_classname = self::getClassNameForNodeType($params['node']['tipo']);
// /*
// * If current node can be viewed by the student, create a link to the node,
// * else display only node name.
// */
// /*
// * Display student visits to this node if required.
// */
$list_item = CDOMElement::create('span', "class:{$css_classname}");
$list_item->addChild(self::getDisclosureElement($params, $external_params));
//vito 12 gennaio 2009
//$icon = CDOMElement::create('img', "src:img/{$params['node']['icona']}");
//$list_item->addChild($icon);
if (isset($params['node']['livello']) && $external_params['user_level'] >= $params['node']['livello']) {
preg_match("/^([0-9]+)_/", $params['node']['id_nodo'], $match);
$id_course = $match[1];
$node_type_family = $params['node']['tipo'][0];
if ($node_type_family >= ADA_STANDARD_EXERCISE_TYPE and $node_type_family <= ADA_OPEN_UPLOAD_EXERCISE_TYPE) {
$node_element = CDOMElement::create('a', "href:{$http_root_dir}/browsing/exercise.php?id_node={$params['node']['id_nodo']}");
} elseif ($node_type_family == ADA_PERSONAL_EXERCISE_TYPE) {
$node_element = CDOMElement::create('a', "href:{$http_root_dir}/browsing/exercise_player.php?id_node={$params['node']['id_nodo']}");
} else {
$node_element = CDOMElement::create('a', "href:{$http_root_dir}/browsing/view.php?id_node={$params['node']['id_nodo']}&id_course={$id_course}");
}
// $node_element = CDOMElement::create('a', "href:$http_root_dir/browsing/view.php?id_node={$params['node']['id_nodo']}");
$node_element->addChild(new CText($params['node']['nome']));
$list_item->addChild($node_element);
} else {
$list_item->addChild(new CText($params['node']['nome']));
}
if (isset($show_visits) && $show_visits == TRUE) {
$visits = 0;
if (isset($params['node']['numero_visite']) && $params['node']['numero_visite'] > 0) {
$visits = $params['node']['numero_visite'];
}
$list_item->addChild(new CText(translateFN("Visite") . " {$visits}"));
}
$id_bk = Bookmark::is_node_bookmarkedFN($external_params['user_id'], $params['node']['id_nodo']);
if ($id_bk) {
// vito 13 gennaio 2009
// $link = CDOMElement::create('a', "href: bookmarks.php?op=zoom&id_bk=$id_bk");
$link = CDOMElement::create('a', "href: tags.php?op=zoom&id_bk={$id_bk}");
$icon = CDOMElement::create('img', 'name:bookmark, alt:bookmark, src:img/check.png, border:0');
$link->addChild($icon);
$list_item->addChild($link);
}
if (isset($params['node']['is_someone_there']) && $params['node']['is_someone_there'] >= 1) {
$icon = CDOMElement::create('img', 'src:img/_student.png');
$icon->setAttribute('name', translateFN('altri'));
$icon->setAttribute('alt', translateFN('altri'));
$list_item->addChild($icon);
}
return $list_item;
}
