/**
* {@inheritdoc}
*/
public function __toString()
{
if (is_string($this->renderedResult)) {
return $this->renderedResult;
}
$dispatcher = $this->context->getDispatcher();
$previousContext = $dispatcher->switchCurrentContext($this->context);
try {
$result = $this->context->getComponent()->getViewRenderer()->render($this->templateName, $this->variables);
if ($previousContext) {
$dispatcher->switchCurrentContext($previousContext);
}
return $result;
} catch (\Exception $e) {
$exception = new ViewRenderException(sprintf('Cannot render template "%s".', $this->templateName), 0, $e);
try {
$result = $dispatcher->reportViewRenderError($exception, $this->context, $this->viewOwner);
if ($previousContext) {
$dispatcher->switchCurrentContext($previousContext);
}
} catch (\Exception $e) {
$result = $e->getMessage();
}
return $result;
}
}
/**
* Возвращает информацию о контексте вызова виджета.
* @param string $widgetUri путь виджета
* @throws RuntimeException если контекст не существует
* @return array
*/
protected function resolveWidgetContext(&$widgetUri)
{
if (strpos($widgetUri, self::WIDGET_URI_SEPARATOR) !== 0) {
if (!$this->currentContext) {
throw new RuntimeException($this->translate('Context for executing widget "{widget}" is unknown.', ['widget' => $widgetUri]));
}
$widgetUri = self::WIDGET_URI_SEPARATOR . $widgetUri;
return [$this->currentContext->getComponent(), clone $this->currentContext->getCallStack(), $this->currentContext->getBaseUrl()];
}
return [$this->getInitialComponent(), $this->createCallStack(), ''];
}