Custom location indicator

1import UIKit
2import NbmapNavigation
3import NbmapCoreNavigation
4import NbmapDirections
5import Nbmap
6
7class CustomLocationViewController: UIViewController ,NGLMapViewDelegate{
8   typealias ActionHandler = (UIAlertAction) -> Void
9  
10   var navigationMapView: NavigationMapView! {
11       didSet {
12           oldValue?.removeFromSuperview()
13           if let mapView = navigationMapView {
14               view.insertSubview(mapView, at: 0)
15           }
16       }
17   }
18  
19   var routes : [Route]? {
20       didSet {
21           guard routes != nil else{
22               startButton.isEnabled = false
23               return
24           }
25           startButton.isEnabled = true
26       }
27   }
28  
29   private let startButton = UIButton()
30  
31   override func viewDidLoad() {
32       super.viewDidLoad()
33      
34       self.navigationMapView = NavigationMapView(frame: view.bounds)
35      
36       navigationMapView.userTrackingMode = .follow
37       let singleTap = UILongPressGestureRecognizer(target: self, action: #selector(didLongPress(tap:)))
38       navigationMapView?.gestureRecognizers?.filter({ $0 is UILongPressGestureRecognizer }).forEach(singleTap.require(toFail:))
39       navigationMapView?.addGestureRecognizer(singleTap)
40       navigationMapView?.delegate = self
41      
42       let navigationViewportDataSource = NavigationViewportDataSource(navigationMapView)
43       navigationViewportDataSource.options.followingCameraOptions.zoomUpdatesAllowed = false
44       navigationViewportDataSource.followingMobileCamera = NavMapCameraOption()
45       navigationMapView.navigationCamera.viewportDataSource = navigationViewportDataSource
46      
47       setupStartButton()
48   }
49  
50   func setupStartButton() {
51       startButton.setTitle("Start", for: .normal)
52       startButton.layer.cornerRadius = 5
53       startButton.contentEdgeInsets = UIEdgeInsets(top: 5, left: 5, bottom: 5, right: 5)
54       startButton.backgroundColor = .blue
55      
56       startButton.addTarget(self, action: #selector(performAction), for: .touchUpInside)
57       view.addSubview(startButton)
58       startButton.translatesAutoresizingMaskIntoConstraints = false
59       startButton.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor, constant: -50).isActive = true
60       startButton.centerXAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerXAnchor).isActive = true
61       startButton.titleLabel?.font = UIFont.systemFont(ofSize: 25)
62   }
63  
64   @objc func didLongPress(tap: UILongPressGestureRecognizer) {
65       guard let mapView = navigationMapView, tap.state == .began else {
66           return
67       }
68       let coordinates = mapView.convert(tap.location(in: mapView), toCoordinateFrom: mapView)
69       // Note: The destination name can be modified. The value is used in the top banner when arriving at a destination.
70       let destination = Waypoint(coordinate: coordinates, name: "\(coordinates.latitude),\(coordinates.longitude)")
71       addNewDestinationcon(coordinates: coordinates)
72      
73       guard let currentLocation =  mapView.userLocation?.coordinate else { return}
74       let currentWayPoint = Waypoint.init(coordinate: currentLocation, name: "My Location")
75      
76       requestRoutes(origin: currentWayPoint, destination: destination)
77   }
78  
79   @objc func performAction(_ sender: Any) {
80       guard routes != nil else {
81           let alertController = UIAlertController(title: "Create route",
82                                                   message: "Long tap on the map to create a route first.",
83                                                   preferredStyle: .alert)
84           alertController.addAction(UIAlertAction(title: "OK", style: .default))
85           return present(alertController, animated: true)
86       }
87       // Set Up the alert controller to switch between different userLocationStyle.
88       let alertController = UIAlertController(title: "Choose UserLocationStyle",
89                                               message: "Select the user location style",
90                                               preferredStyle: .actionSheet)
91      
92       let courseView: ActionHandler = { _ in self.setupCourseView() }
93       let defaultPuck2D: ActionHandler = { _ in self.setupDefaultPuck2D() }
94       let invisiblePuck: ActionHandler = { _ in self.setupInvisiblePuck() }
95       let puck2D: ActionHandler = { _ in self.setupCustomPuck2D() }
96       let cancel: ActionHandler = { _ in }
97      
98       let actionPayloads: [(String, UIAlertAction.Style, ActionHandler?)] = [
99           ("Invisible Puck", .default, invisiblePuck),
100           ("Default Course View", .default, courseView),
101           ("2D Default Puck", .default, defaultPuck2D),
102           ("2D Custom Puck", .default, puck2D),
103           ("Cancel", .cancel, cancel)
104       ]
105      
106       actionPayloads
107           .map { payload in UIAlertAction(title: payload.0, style: payload.1, handler: payload.2) }
108           .forEach(alertController.addAction(_:))
109      
110       if let popoverController = alertController.popoverPresentationController {
111           popoverController.sourceView = self.startButton
112           popoverController.sourceRect = self.startButton.bounds
113       }
114      
115       present(alertController, animated: true, completion: nil)
116   }
117  
118   func setupCourseView() {
119       presentNavigationViewController(.courseView())
120   }
121  
122   func setupDefaultPuck2D() {
123       presentNavigationViewController(.puck2D)
124   }
125  
126   func setupInvisiblePuck() {
127       presentNavigationViewController(.none)
128   }
129  
130   func setupCustomPuck2D() {
131       let courseView = UserPuckCourseView(frame: CGRect(origin: .zero, size: 75.0))
132       courseView.puckView.image = UIImage(named: "airplane")
133       let userLocationStyle = UserLocationStyle.courseView(courseView)
134       presentNavigationViewController(userLocationStyle)
135   }
136  
137   func presentNavigationViewController(_ userLocationStyle: UserLocationStyle? = nil) {
138       guard let routes = self.routes else {
139           return
140       }
141       let navigationService = NBNavigationService(routes: routes, routeIndex: 0)
142       let navigationOptions = NavigationOptions(navigationService: navigationService)
143       let navigationViewController = NavigationViewController(for: routes,navigationOptions: navigationOptions)
144       navigationViewController.modalPresentationStyle = .fullScreen
145       navigationViewController.navigationMapView?.userLocationStyle = userLocationStyle
146       present(navigationViewController, animated: true, completion: nil)
147   }
148  
149   func addNewDestinationcon(coordinates: CLLocationCoordinate2D){
150       guard let mapView = navigationMapView else {
151           return
152       }
153      
154       if let annotation = mapView.annotations?.last {
155           mapView.removeAnnotation(annotation)
156       }
157      
158       let annotation = NGLPointAnnotation()
159       annotation.coordinate = coordinates
160       mapView.addAnnotation(annotation)
161   }
162  
163   func requestRoutes(origin: Waypoint, destination: Waypoint){
164      
165       let options = RouteOptions.init(origin: origin, destination: destination)
166       // Includes alternative routes in the response
167       options.includesAlternativeRoutes = true
168      
169       // Avoid road options , Set an array road class to avoid.
170       options.roadClassesToAvoid = []
171      
172       // Set the measurement format system
173       options.distanceMeasurementSystem = MeasurementSystem.metric
174      
175       Directions.shared.calculate(options) { [weak self] routes, error in
176           guard let weakSelf = self else {
177               return
178           }
179           guard error == nil else {
180               print(error!)
181               return
182           }
183          
184           guard let routes = routes else { return }
185          
186          
187           // Process or display routes information.For example,display the routes,waypoints and duration symbol on the map
188           weakSelf.navigationMapView?.showRoutes(routes)
189           weakSelf.navigationMapView?.showRouteDurationSymbol(routes)
190          
191           guard let current = routes.first else { return }
192           weakSelf.navigationMapView?.showWaypoints(current)
193           weakSelf.routes = routes
194       }
195   }
196}