public function display($supress_output = false)
{
if (!array_key_exists('HTTP_HOST', $_SERVER)) {
exit("No command line usage for this page");
}
if (!$this->get_exists('delay_index')) {
I2CE::raiseError("Invalid tree data request: 'request' is missing");
return false;
}
$delay_index = $this->get('delay_index');
if (!array_key_exists('tree_data', $_SESSION) || !is_array($_SESSION['tree_data']) || !array_key_exists($delay_index, $_SESSION['tree_data'])) {
return false;
}
$data = $_SESSION['tree_data'][$delay_index];
unset($_SESSION['tree_data'][$delay_index]);
if (!is_array($data)) {
return false;
}
$template = new I2CE_Template();
$template->loadRootText("<span id='root'>");
$root = $template->getElementById('root');
$doc = $template->getDoc();
I2CE_Module_TreeSelect::createTreeData($template, $root, $data);
$tdoc = new DOMDocument();
$tdoc->appendChild($tdoc->importNode($root, true));
echo $tdoc->saveHTML();
die;
}
/**
* Ensure that a node is really a node. If it is not, hopes that it is an ID
* and then makes it the corresponding node
* @param I2CE_Template $template
* @param mixed &$node. Either a DOMNode or a node id.
* @param bool $make_doc_on_failure defaults to true. If we can't find the node, make it the document element
* If false, we leave $node alone.
*/
protected function _ensureNode($template, &$node, $make_doc_on_failure = true)
{
if (isset($node) && $node instanceof DOMNode) {
//we are good so quit.
return;
}
$new_node = null;
if (is_string($node)) {
$new_node = $template->getElementById($node);
}
if ($new_node == null) {
if ($make_doc_on_failure) {
$node = $template->getDoc()->documentElement;
}
} else {
$node = $new_node;
}
}
