/**
* Parse a XMLElement reading menu entries
* @param $xml A SimpleXMLElement Object
* @param $permission_callback check permission callback
*/
public function parse($xml, $permission_callback = NULL)
{
$i = 0;
foreach ($xml as $xmlElement) {
$atts = $xmlElement->attributes();
$label = (string) $atts['label'];
$action = (string) $xmlElement->action;
$icon = (string) $xmlElement->icon;
$menu = NULL;
$menuItem = new TMenuItem($label, $action, $icon);
if ($xmlElement->menu) {
$menu = new TMenu($xmlElement->menu->menuitem, $permission_callback, $this->menu_level + 1, $this->menu_class, $this->item_class);
$menuItem->setMenu($menu);
}
// just child nodes have actions
if ($action) {
if (!empty($action) and $permission_callback) {
// check permission
$parts = explode('#', $action);
$className = $parts[0];
if (call_user_func($permission_callback, $className)) {
$this->addMenuItem($menuItem);
}
} else {
// menus without permission check
$this->addMenuItem($menuItem);
}
} else {
if (isset($menu) and count($menu->getMenuItems()) > 0) {
$this->addMenuItem($menuItem);
}
}
$i++;
}
}
/**
* Build a MenuBar from a XML file
* @param $xml_file path for the file
* @param $permission_callback check permission callback
*/
public static function newFromXML($xml_file, $permission_callback = NULL, $bar_class = 'nav navbar-nav', $menu_class = 'dropdown-menu', $item_class = '')
{
if (file_exists($xml_file)) {
$menu_string = file_get_contents($xml_file);
if (utf8_encode(utf8_decode($menu_string)) == $menu_string) {
$xml = new SimpleXMLElement($menu_string);
} else {
$xml = new SimpleXMLElement(utf8_encode($menu_string));
}
$menubar = new TMenuBar();
$ul = new TElement('ul');
$ul->{'class'} = $bar_class;
$menubar->add($ul);
foreach ($xml as $xmlElement) {
$atts = $xmlElement->attributes();
$label = (string) $atts['label'];
$action = (string) $xmlElement->action;
$icon = (string) $xmlElement->icon;
$item = new TMenuItem($label, $action, $icon);
$menu = new TMenu($xmlElement->menu->menuitem, $permission_callback, 1, $menu_class, $item_class);
// check children count (permissions)
if (count($menu->getMenuItems()) > 0) {
$item->setMenu($menu);
$item->{'class'} = 'active';
$ul->add($item);
} else {
if ($action) {
$ul->add($item);
}
}
}
return $menubar;
}
}
