/** * Style attribute for event bg color */ public function get_category_text_color(Ai1ec_Event $event) { $category_text_color = null; $categories = $this->_taxonomy_model->get_post_categories($event->get('post_id')); if (!empty($categories)) { $category_text_color = $this->get_event_category_text_color($categories[0]->term_id, $event->is_allday() || $event->is_multiday()); } return $category_text_color; }