public function addElement(AppLib_Menu_Element $element)
{
if (!$element->isValidForAdd()) {
throw new AppLib_Menu_Exception(implode(', ', $element->getValidNeeds()) . ' should not be empty.');
}
if (empty($this->_elements)) {
$this->_elements = array();
}
$this->_elements[] = $element;
$this->_countElements++;
return $this;
}
public function addChild(AppLib_Menu_Element $elm)
{
if (!$elm->isValidForAdd()) {
throw new AppLib_Menu_Exception(implode(', ', array_keys($elm->getValidNeeds())) . ' should not be empty.');
}
if (empty($this->_children)) {
$this->_children = array();
}
$this->_children[] = $elm;
return $this;
}