/**
* Get the data rows and return a renderer ready to be used
*
* @param string $action The action template string
* @return HTML_Menu_TipRenderer|null The renderer or
* null on errors
* @internal
*/
protected function &_getRenderer($action)
{
if (is_null($this->_model)) {
$this->startDataView() && $this->endView();
}
if (is_null($this->_model)) {
$fake_null = null;
return $fake_null;
}
// Duplicate the model and update the URLs on the copy
$model = $this->_model;
$this->_updateModelUrl($model, $action);
require_once 'HTML/Menu.php';
$menu = new HTML_Menu($model);
empty($action) || $menu->forceCurrentUrl(TIP::getRequestUri());
$renderer =& TIP_Renderer::getMenu();
$menu->render($renderer, 'sitemap');
return $renderer;
}
/**
* Render this chronology in XHTML format
* @return string The rendered html
*/
public function toHtml()
{
if (!$this->_render()) {
return '';
}
require_once 'HTML/Menu.php';
$model =& new HTML_Menu($this->_tree);
$model->forceCurrentUrl(TIP::getRequestUri());
$renderer =& TIP_Renderer::getMenu($this->levels);
$model->render($renderer, 'sitemap');
$html = $renderer->toHtml();
if ($renderer->isCurrentContainer()) {
// If the current row is a container, don't index this page
TIP_Application::setRobots(false, null);
}
return $html;
}
