/**
* Renders the view model.
*
* @param \Es\Mvc\ViewModelInterface $model The view model
*
* @return mixed The result of rendering
*/
public function render(ViewModelInterface $model)
{
foreach ($model as $child) {
$groupId = $child->getGroupId();
if (empty($groupId)) {
continue;
}
$result = $this->render($child);
$oldResult = $model->getVariable($groupId, '');
$model->setVariable($groupId, $oldResult . $result);
}
$events = $this->getEvents();
$event = new ViewEvent($model);
$events->trigger($event);
return $event->getResult();
}
/**
* Sets the View Model.
*
* @param \Es\Mvc\ViewModelInterface $model The View Model
*/
public function setModel(ViewModelInterface $model)
{
$this->model = $model->setTemplate(static::TEMPLATE);
}
/**
* Adds the child model.
*
* @param \Es\Mvc\ViewModelInterface $child The child model
* @param string $groupId Optional; the group identifier
*
* @return self
*/
public function addChild(ViewModelInterface $child, $groupId = null)
{
$this->children[] = $child;
if (!is_null($groupId)) {
$child->setGroupId($groupId);
}
return $this;
}
