/**
* check the possible node view modes and set with the given one.
*
* @param string $targetViewMode
*/
private function setViewMode($targetViewMode)
{
$view_modes = array_keys($this->entity_manager->getViewModeOptions('node'));
if (in_array($targetViewMode, $view_modes)) {
$this->configuration['block_node_view_mode'] = $targetViewMode;
return;
}
// else update view_modes
$this->view_modes = $this->entity_manager->getViewModeOptions('node');
$this->configuration['block_node_view_mode'] = $this->default_view_mode;
}
