/**
* Recursively processes all ViewModels and returns output.
*
* @param string|Model $model A ViewModel instance.
* @param null|array|Traversable $values Values to use when rendering. If none
* provided, uses those in the composed
* variables container.
* @return string Console output.
*/
public function render($model, $values = null)
{
if (!$model instanceof Model) {
return '';
}
$result = '';
$options = $model->getOptions();
foreach ($options as $setting => $value) {
$method = 'set' . $setting;
if (method_exists($this, $method)) {
$this->{$method}($value);
}
unset($method, $setting, $value);
}
unset($options);
$values = $model->getVariables();
if (isset($values['result'])) {
// filter and append the result
$result .= $this->getFilterChain()->filter($values['result']);
}
if ($model->hasChildren()) {
// recursively render all children
foreach ($model->getChildren() as $child) {
$result .= $this->render($child, $values);
}
}
return $result;
}