fipamo/src/com/controllers/NavIndex.js

import FipamoAdminAPI, { TASK_SYNC_NAV } from '../../libraries/FipamoAdminAPI';
import NavActions from '../actions/NavActions';
import * as DataEvent from '../events/DataEvent';
import Notifications from '../ui/Notifications';
import Sortable from 'sortablejs';
const notify = new Notifications();

export default class NavIndex {
	//--------------------------
	// constructor
	//--------------------------
	constructor() {
		this.processing = false;
		this.admin = new FipamoAdminAPI(null);
		this.start();
	}
	//--------------------------
	// methods
	//--------------------------
	start() {
		//grabs elements and makes them sortables
		let self = this;
		Sortable.create(document.getElementById('nav-items'), {
			onUpdate: () => {
				new NavActions().syncMenu().then(data => {
					notify.alert('Updating Menu', null);
					self.admin.sync(TASK_SYNC_NAV, data).then(r => {
						if (r.type == DataEvent.MENU_UPDATED) {
							notify.alert(r.message, true);
						} else {
							notify.alert(r.message, true);
						}
					});
				});
			}
		});
		var nav = document.querySelectorAll('.nav-btn');
		for (var i = 0, length = nav.length; i < length; i++) {
			nav[i].addEventListener('click', e => this.handleNavButton(e), false);
		}
	}
	//--------------------------
	// event handlers
	//--------------------------
	handleNavButton(e) {
		if (this.processing) return;
		let id = '';
		let self = this;
		switch (e.target.id) {
			case 'remove-item':
				id = e.target.getAttribute('data-id');
				new NavActions().removeItem(id);
				new NavActions().syncMenu().then(data => {
					data.remove = e.target.getAttribute('data-uuid');
					notify.alert('Editing Menu', null);
					self.processing = true;
					self.admin.sync(TASK_SYNC_NAV, data).then(r => {
						self.processing = false;
						if (r.type == DataEvent.MENU_UPDATED) {
							notify.alert(r.message, true);
						} else {
							notify.alert(r.message, true);
						}
					});
				});
				break;
			case 'edit-item':
				self.processing = false;
				window.location =
					'/dashboard/page/edit/' + e.target.getAttribute('data-id');
				break;
		}
	}
}