Custom destination marker

1import UIKit
2import NbmapNavigation
3import NbmapCoreNavigation
4import NbmapDirections
5import Nbmap
6
7class CustomDestinationMarkerController: UIViewController {
8  
9   var mapView: NavigationMapView? {
10       didSet {
11           oldValue?.removeFromSuperview()
12           if let mapView = mapView {
13               view.insertSubview(mapView, at: 0)
14           }
15       }
16   }
17  
18   var routes : [Route]?
19  
20   override func viewDidLoad() {
21       super.viewDidLoad()
22      
23       self.mapView = NavigationMapView(frame: view.bounds)
24      
25       mapView?.userTrackingMode = .followWithHeading
26      
27       let singleTap = UILongPressGestureRecognizer(target: self, action: #selector(didLongPress(tap:)))
28       mapView?.gestureRecognizers?.filter({ $0 is UILongPressGestureRecognizer }).forEach(singleTap.require(toFail:))
29       mapView?.addGestureRecognizer(singleTap)
30       mapView?.delegate = self
31      
32   }
33  
34   @objc func didLongPress(tap: UILongPressGestureRecognizer) {
35       guard let mapView = mapView, tap.state == .began else {
36           return
37       }
38       let coordinates = mapView.convert(tap.location(in: mapView), toCoordinateFrom: mapView)
39       // Note: The destination name can be modified. The value is used in the top banner when arriving at a destination.
40       let destination = Waypoint(coordinate: coordinates, name: "\(coordinates.latitude),\(coordinates.longitude)")
41       addNewDestinationcon(coordinates: coordinates)
42      
43       guard let currentLocation =  mapView.userLocation?.coordinate else { return}
44       let currentWayPoint = Waypoint.init(coordinate: currentLocation, name: "My Location")
45      
46       requestRoutes(origin: currentWayPoint, destination: destination)
47   }
48  
49   @IBAction func startNavigation(_ sender: Any) {
50       guard let routes = self.routes else {
51           return
52       }
53       let navigationService = NBNavigationService(routes: routes, routeIndex: 0)
54      
55       let navigationOptions = NavigationOptions(navigationService: navigationService)
56      
57       let navigationViewController = NavigationViewController(for: routes,navigationOptions: navigationOptions)
58       navigationViewController.modalPresentationStyle = .fullScreen
59      
60       navigationViewController.delegate = self
61      
62       present(navigationViewController, animated: true, completion: nil)
63      
64   }
65  
66   func addNewDestinationcon(coordinates: CLLocationCoordinate2D){
67       guard let mapView = mapView else {
68           return
69       }
70      
71       if let annotation = mapView.annotations?.last {
72           mapView.removeAnnotation(annotation)
73       }
74      
75       let annotation = NGLPointAnnotation()
76       annotation.coordinate = coordinates
77       mapView.addAnnotation(annotation)
78   }
79  
80   func requestRoutes(origin: Waypoint, destination: Waypoint){
81      
82       let options = RouteOptions.init(origin: origin, destination: destination)
83       // Includes alternative routes in the response
84       options.includesAlternativeRoutes = true
85      
86       // Set the measurement format system
87       options.distanceMeasurementSystem = MeasurementSystem.metric
88      
89       Directions.shared.calculate(options) { [weak self] routes, error in
90           guard let weakSelf = self else {
91               return
92           }
93           guard error == nil else {
94               print(error!)
95               return
96           }
97          
98           guard let routes = routes else { return }
99          
100          
101           // Process or display routes information.For example,display the routes,waypoints and duration symbol on the map
102           weakSelf.mapView?.showRoutes(routes)
103           weakSelf.mapView?.showRouteDurationSymbol(routes)
104          
105           guard let current = routes.first else { return }
106           weakSelf.mapView?.showWaypoints(current)
107           weakSelf.routes = routes
108       }
109   }
110  
111}
112
113extension CustomDestinationMarkerController : NGLMapViewDelegate {
114  
115   func mapView(_ mapView: NGLMapView, imageFor annotation: NGLAnnotation) -> NGLAnnotationImage? {
116       let image = UIImage(named: "marker", in: .main, compatibleWith: nil)!.withRenderingMode(.alwaysOriginal)
117       return NGLAnnotationImage(image: image, reuseIdentifier: "destination_icon_identifier")
118   }
119}
120
121extension CustomDestinationMarkerController : NavigationViewControllerDelegate {
122  
123   func navigationViewController(_ navigationViewController: NavigationViewController, imageFor annotation: NGLAnnotation) -> NGLAnnotationImage? {
124       let image = UIImage(named: "marker", in: .main, compatibleWith: nil)!.withRenderingMode(.alwaysOriginal)
125       return NGLAnnotationImage(image: image, reuseIdentifier: "destination_icon_identifier")
126   }
127}
128