core/src/js/components/secondary-nav/buttons/events/SubNavToggleArrowUp.js
import EventAbstract from '../../common/events/EventAbstract';
/**
* SubNavToggleArrowUp
*
* Event action handler class.
*/
export default class SubNavToggleArrowUp extends EventAbstract {
/**
* Execute the action to the event.
*/
exec() {
this.event.preventDefault();
// If the current focus is on the toggle and the menu is expanded, close
// this nav menu and go to the parent list item.
if (this.parentNav.isExpanded()) {
event.stopPropagation();
event.preventDefault();
this.parentNav.closeSubNav();
this.getElement('parentItem').focus();
}
// If the focus is on the toggle and the menu is not expanded, go to the
// previous sibling item by calling the super method.
else {
var node =
this.getElement('prev') ||
this.getElement('parentNavPrev') ||
this.getElement('first');
if (node) {
node.focus();
}
}
}
}