Meshtastic-Apple/Meshtastic/Views/Map/Custom/MapViewSwiftUI.swift
2023-04-23 07:39:19 -07:00

539 lines
20 KiB
Swift

//
// MapViewSwitUI.swift
// Meshtastic
//
// Copyright(c) Josh Pirihi & Garth Vander Houwen 1/16/22.
import SwiftUI
import MapKit
func degreesToRadians(_ number: Double) -> Double {
return number * .pi / 180
}
struct MapViewSwiftUI: UIViewRepresentable {
var onLongPress: (_ waypointCoordinate: CLLocationCoordinate2D) -> Void
var onWaypointEdit: (_ waypointId: Int ) -> Void
let mapView = MKMapView()
// Parameters
let positions: [PositionEntity]
let waypoints: [WaypointEntity]
let mapViewType: MKMapType
let userTrackingMode: MKUserTrackingMode
let showNodeHistory: Bool
let showRouteLines: Bool
@AppStorage("meshMapRecentering") private var recenter: Bool = false
// Offline Map Tiles
@AppStorage("lastUpdatedLocalMapFile") private var lastUpdatedLocalMapFile = 0
@State private var loadedLastUpdatedLocalMapFile = 0
var customMapOverlay: CustomMapOverlay?
@State private var presentCustomMapOverlayHash: CustomMapOverlay?
// Custom Tile Server
@AppStorage("meshMapCustomTileServer") private var tileServerUrl = ""
var tileRenderer: MKTileOverlayRenderer?
let tileServer: MapTileServerLinks = .openStreetMaps
func makeUIView(context: Context) -> MKMapView {
// Map View Parameters
mapView.mapType = mapViewType
mapView.addAnnotations(waypoints)
// Do the initial map centering
let latest = positions
.filter { $0.latest == true }
.sorted { $0.nodePosition?.num ?? 0 > $1.nodePosition?.num ?? -1 }
let span = MKCoordinateSpan(latitudeDelta: 0.003, longitudeDelta: 0.003)
let center = (latest.count > 0 && userTrackingMode == MKUserTrackingMode.none) ? latest[0].coordinate : LocationHelper.currentLocation
let region = MKCoordinateRegion(center: center, span: span)
mapView.addAnnotations(showNodeHistory ? positions : latest)
mapView.setRegion(region, animated: true)
// Set user (phone gps) tracking options
mapView.setUserTrackingMode(userTrackingMode, animated: true)
if userTrackingMode == MKUserTrackingMode.none {
if latest.count == 1 {
mapView.fit(annotations:showNodeHistory ? positions : latest, andShow: false)
} else {
mapView.fitAllAnnotations()
}
mapView.showsUserLocation = false
} else {
mapView.showsUserLocation = true
}
// Other MKMapView Settings
mapView.preferredConfiguration.elevationStyle = .realistic// .flat
mapView.isPitchEnabled = true
mapView.isRotateEnabled = true
mapView.isScrollEnabled = true
mapView.isZoomEnabled = true
mapView.showsBuildings = true
mapView.showsScale = true
mapView.showsTraffic = true
let overlay = TileServerOverlay() // Offline-Map-Tiles
overlay.canReplaceMapContent = true
mapView.addOverlay(overlay, level: .aboveLabels)
#if targetEnvironment(macCatalyst)
// Show the default always visible compass and the mac only controls
mapView.showsCompass = true
mapView.showsZoomControls = true
mapView.showsPitchControl = true
#else
#if os(iOS)
// Hide the default compass that only appears when you are not going north and instead always show the compass in the bottom right corner of the map
mapView.showsCompass = false
let compassButton = MKCompassButton(mapView: mapView) // Make a new compass
compassButton.compassVisibility = .visible // Make it visible
mapView.addSubview(compassButton) // Add it to the view
compassButton.translatesAutoresizingMaskIntoConstraints = false
compassButton.trailingAnchor.constraint(equalTo: mapView.trailingAnchor, constant: -5).isActive = true
compassButton.bottomAnchor.constraint(equalTo: mapView.bottomAnchor, constant: -25).isActive = true
#endif
#endif
mapView.delegate = context.coordinator
return mapView
}
func updateUIView(_ mapView: MKMapView, context: Context) {
mapView.mapType = mapViewType
if self.customMapOverlay != self.presentCustomMapOverlayHash || self.loadedLastUpdatedLocalMapFile != self.lastUpdatedLocalMapFile {
mapView.removeOverlays(mapView.overlays)
if self.customMapOverlay != nil {
let fileManager = FileManager.default
let documentsDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first!
let tilePath = documentsDirectory.appendingPathComponent("offline_map.mbtiles", isDirectory: false).path
if fileManager.fileExists(atPath: tilePath) {
print("Loading local map file")
if let overlay = LocalMBTileOverlay(mbTilePath: tilePath) {
overlay.canReplaceMapContent = false// customMapOverlay.canReplaceMapContent
mapView.addOverlay(overlay)
}
} else {
print("Couldn't find a local map file to load")
}
}
DispatchQueue.main.async {
self.presentCustomMapOverlayHash = self.customMapOverlay
self.loadedLastUpdatedLocalMapFile = self.lastUpdatedLocalMapFile
}
}
DispatchQueue.main.async {
let latest = positions
.filter { $0.latest == true }
.sorted { $0.nodePosition?.num ?? 0 > $1.nodePosition?.num ?? -1 }
let annotationCount = waypoints.count + (showNodeHistory ? positions.count : latest.count)
if annotationCount != mapView.annotations.count {
print("Annotation Count: \(annotationCount) Map Annotations: \(mapView.annotations.count)")
mapView.removeAnnotations(mapView.annotations)
mapView.addAnnotations(waypoints)
if showRouteLines {
// Remove all existing PolyLine Overlays
for overlay in mapView.overlays {
if overlay is MKPolyline {
mapView.removeOverlay(overlay)
}
}
var lineIndex = 0
for position in latest {
let nodePositions = positions.filter { $0.nodePosition?.num ?? 0 == position.nodePosition?.num ?? -1 }
let lineCoords = nodePositions.map ({
(position) -> CLLocationCoordinate2D in
return position.nodeCoordinate!
})
let polyline = MKPolyline(coordinates: lineCoords, count: nodePositions.count)
polyline.title = "\(String(position.nodePosition?.num ?? 0))"
mapView.addOverlay(polyline)
lineIndex += 1
// There are 18 colors for lines, start over if we are at index 17
if lineIndex > 17 {
lineIndex = 0
}
}
}
if userTrackingMode == MKUserTrackingMode.none {
mapView.showsUserLocation = false
mapView.addAnnotations(showNodeHistory ? positions : latest)
if recenter {
if latest.count > 1 {
mapView.fitAllAnnotations()
} else {
mapView.fit(annotations:showNodeHistory ? positions : latest, andShow: false)
}
}
} else {
// Centering Done by tracking mode
mapView.addAnnotations(showNodeHistory ? positions : latest)
mapView.showsUserLocation = true
}
mapView.setUserTrackingMode(userTrackingMode, animated: true)
if tileServerUrl.count > 0 {
tileRenderer?.alpha = 0.0
let overlays = mapView.overlays
if mapView.mapType == .standard {
let overlay = MKTileOverlay(urlTemplate: tileServerUrl)
if overlays.contains(where: {$0 is MKPolyline}) {
mapView.addOverlay(overlay, level: .aboveLabels)
if let poly_overlay = overlays.filter({$0 is MKPolyline}).first {
mapView.addOverlay(poly_overlay, level: .aboveRoads)
}
} else {
mapView.addOverlay(overlay, level: .aboveRoads)
}
} else {
for overlay in overlays {
if let ove = overlay as? MKTileOverlay {
mapView.removeOverlay(ove)
}
}
}
}
}
}
}
func makeCoordinator() -> MapCoordinator {
return Coordinator(self)
}
final class MapCoordinator: NSObject, MKMapViewDelegate, UIGestureRecognizerDelegate {
var parent: MapViewSwiftUI
var longPressRecognizer = UILongPressGestureRecognizer()
init(_ parent: MapViewSwiftUI) {
self.parent = parent
super.init()
self.longPressRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(longPressHandler))
self.longPressRecognizer.minimumPressDuration = 0.5
self.longPressRecognizer.cancelsTouchesInView = true
self.longPressRecognizer.delegate = self
self.parent.mapView.addGestureRecognizer(longPressRecognizer)
}
func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
switch annotation {
case let positionAnnotation as PositionEntity:
let reuseID = String(positionAnnotation.nodePosition?.num ?? 0) + "-" + String(positionAnnotation.time?.timeIntervalSince1970 ?? 0)
let annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: "node") as? MKMarkerAnnotationView ?? MKMarkerAnnotationView(annotation: annotation, reuseIdentifier: reuseID )
annotationView.tag = -1
annotationView.canShowCallout = true
if positionAnnotation.latest {
annotationView.markerTintColor = .systemRed
annotationView.displayPriority = .required
annotationView.titleVisibility = .visible
} else {
annotationView.markerTintColor = UIColor(hex: UInt32(positionAnnotation.nodePosition?.num ?? 0))
annotationView.displayPriority = .defaultHigh
annotationView.titleVisibility = .adaptive
}
annotationView.tag = -1
annotationView.canShowCallout = true
annotationView.titleVisibility = .adaptive
let leftIcon = UIImageView(image: annotationView.glyphText?.image())
leftIcon.backgroundColor = UIColor(.indigo)
annotationView.leftCalloutAccessoryView = leftIcon
let subtitle = UILabel()
subtitle.text = "Long Name: \(positionAnnotation.nodePosition?.user?.longName ?? "Unknown") \n"
subtitle.text? += "Latitude: \(String(format: "%.5f", positionAnnotation.coordinate.latitude)) \n"
subtitle.text! += "Longitude: \(String(format: "%.5f", positionAnnotation.coordinate.longitude)) \n"
let distanceFormatter = MKDistanceFormatter()
subtitle.text! += "Altitude: \(distanceFormatter.string(fromDistance: Double(positionAnnotation.altitude))) \n"
if positionAnnotation.nodePosition?.metadata != nil {
if DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.client ||
DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.clientMute ||
DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.routerClient {
annotationView.glyphImage = UIImage(systemName: "flipphone")
} else if DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.repeater {
annotationView.glyphImage = UIImage(systemName: "repeat")
} else if DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.router {
annotationView.glyphImage = UIImage(systemName: "wifi.router.fill")
} else if DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.tracker {
annotationView.glyphImage = UIImage(systemName: "location.viewfinder")
} else if DeviceRoles(rawValue: Int(positionAnnotation.nodePosition!.metadata?.role ?? 0)) == DeviceRoles.sensor {
annotationView.glyphImage = UIImage(systemName: "sensor")
}
let pf = PositionFlags(rawValue: Int(positionAnnotation.nodePosition?.metadata?.positionFlags ?? 3))
if pf.contains(.Satsinview) {
subtitle.text! += "Sats in view: \(String(positionAnnotation.satsInView)) \n"
}
if pf.contains(.SeqNo) {
subtitle.text! += "Sequence: \(String(positionAnnotation.seqNo)) \n"
}
if pf.contains(.Heading) {
if parent.userTrackingMode != MKUserTrackingMode.followWithHeading {
annotationView.glyphImage = UIImage(systemName: "location.north.fill")?.rotate(radians: Float(degreesToRadians(Double(positionAnnotation.heading))))
subtitle.text! += "Heading: \(String(positionAnnotation.heading)) \n"
} else {
annotationView.glyphImage = UIImage(systemName: "flipphone")
}
}
if pf.contains(.Speed) {
let formatter = MeasurementFormatter()
formatter.locale = Locale.current
if positionAnnotation.speed <= 1 {
annotationView.glyphImage = UIImage(systemName: "hexagon")
}
subtitle.text! += "Speed: \(formatter.string(from: Measurement(value: Double(positionAnnotation.speed), unit: UnitSpeed.kilometersPerHour))) \n"
}
} else {
// node metadata is nil
annotationView.glyphImage = UIImage(systemName: "flipphone")
}
if LocationHelper.currentLocation.distance(from: LocationHelper.DefaultLocation) > 0.0 {
let metersAway = positionAnnotation.coordinate.distance(from: LocationHelper.currentLocation)
subtitle.text! += NSLocalizedString("distance", comment: "") + ": \(distanceFormatter.string(fromDistance: Double(metersAway))) \n"
}
subtitle.text! += positionAnnotation.time?.formatted() ?? "Unknown \n"
subtitle.numberOfLines = 0
annotationView.detailCalloutAccessoryView = subtitle
let detailsIcon = UIButton(type: .detailDisclosure)
detailsIcon.setImage(UIImage(systemName: "info.square"), for: .normal)
annotationView.rightCalloutAccessoryView = detailsIcon
return annotationView
case let waypointAnnotation as WaypointEntity:
let annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: "waypoint") as? MKMarkerAnnotationView ?? MKMarkerAnnotationView(annotation: annotation, reuseIdentifier: String(waypointAnnotation.id))
annotationView.tag = Int(waypointAnnotation.id)
annotationView.isEnabled = true
annotationView.canShowCallout = true
if waypointAnnotation.icon == 0 {
annotationView.glyphText = "📍"
} else {
annotationView.glyphText = String(UnicodeScalar(Int(waypointAnnotation.icon)) ?? "📍")
}
annotationView.markerTintColor = UIColor(.accentColor)
annotationView.displayPriority = .required
annotationView.titleVisibility = .adaptive
let leftIcon = UIImageView(image: annotationView.glyphText?.image())
leftIcon.backgroundColor = UIColor(.accentColor)
annotationView.leftCalloutAccessoryView = leftIcon
let subtitle = UILabel()
if waypointAnnotation.longDescription?.count ?? 0 > 0 {
subtitle.text = (waypointAnnotation.longDescription ?? "") + "\n"
} else {
subtitle.text = ""
}
if LocationHelper.currentLocation.distance(from: LocationHelper.DefaultLocation) > 0.0 {
let metersAway = waypointAnnotation.coordinate.distance(from: LocationHelper.currentLocation)
let distanceFormatter = MKDistanceFormatter()
subtitle.text! += NSLocalizedString("distance", comment: "") + ": \(distanceFormatter.string(fromDistance: Double(metersAway))) \n"
}
if waypointAnnotation.created != nil {
subtitle.text! += "Created: \(waypointAnnotation.created?.formatted() ?? "Unknown") \n"
}
if waypointAnnotation.lastUpdated != nil {
subtitle.text! += "Updated: \(waypointAnnotation.lastUpdated?.formatted() ?? "Unknown") \n"
}
if waypointAnnotation.expire != nil {
subtitle.text! += "Expires: \(waypointAnnotation.expire?.formatted() ?? "Unknown") \n"
}
subtitle.numberOfLines = 0
annotationView.detailCalloutAccessoryView = subtitle
let editIcon = UIButton(type: .detailDisclosure)
editIcon.setImage(UIImage(systemName: "square.and.pencil"), for: .normal)
annotationView.rightCalloutAccessoryView = editIcon
return annotationView
default: return nil
}
}
func mapView(_ mapView: MKMapView, annotationView view: MKAnnotationView, calloutAccessoryControlTapped control: UIControl) {
// Only Allow Edit for waypoint annotations with a id
if view.tag > 0 {
parent.onWaypointEdit(view.tag)
}
}
@objc func longPressHandler(_ gesture: UILongPressGestureRecognizer) {
if gesture.state != UIGestureRecognizer.State.ended {
return
} else if gesture.state != UIGestureRecognizer.State.began {
// Screen Position - CGPoint
let location = longPressRecognizer.location(in: self.parent.mapView)
// Map Coordinate - CLLocationCoordinate2D
let coordinate = self.parent.mapView.convert(location, toCoordinateFrom: self.parent.mapView)
let annotation = MKPointAnnotation()
annotation.title = "Dropped Pin"
annotation.coordinate = coordinate
parent.mapView.addAnnotation(annotation)
UINotificationFeedbackGenerator().notificationOccurred(.success)
parent.onLongPress(coordinate)
}
}
public func mapView(_ mapView: MKMapView, rendererFor overlay: MKOverlay) -> MKOverlayRenderer {
if let tileOverlay = overlay as? MKTileOverlay {
return MKTileOverlayRenderer(tileOverlay: tileOverlay)
} else {
if let routePolyline = overlay as? MKPolyline {
let titleString = routePolyline.title ?? "0"
let renderer = MKPolylineRenderer(polyline: routePolyline)
renderer.strokeColor = UIColor(hex: UInt32(titleString) ?? 0)
renderer.lineWidth = 8
return renderer
}
return MKOverlayRenderer()
}
}
}
/// is supposed to be located in the folder with the map name
public struct DefaultTile: Hashable {
let tileName: String
let tileType: String
public init(tileName: String, tileType: String) {
self.tileName = tileName
self.tileType = tileType
}
}
public struct CustomMapOverlay: Equatable, Hashable {
let mapName: String
let tileType: String
var canReplaceMapContent: Bool
var minimumZoomLevel: Int?
var maximumZoomLevel: Int?
let defaultTile: DefaultTile?
public init(
mapName: String,
tileType: String,
canReplaceMapContent: Bool = true, // false for transparent tiles
minimumZoomLevel: Int? = nil,
maximumZoomLevel: Int? = nil,
defaultTile: DefaultTile? = nil
) {
self.mapName = mapName
self.tileType = tileType
self.canReplaceMapContent = canReplaceMapContent
self.minimumZoomLevel = minimumZoomLevel
self.maximumZoomLevel = maximumZoomLevel
self.defaultTile = defaultTile
}
public init?(
mapName: String?,
tileType: String,
canReplaceMapContent: Bool = true, // false for transparent tiles
minimumZoomLevel: Int? = nil,
maximumZoomLevel: Int? = nil,
defaultTile: DefaultTile? = nil
) {
if mapName == nil || mapName! == "" {
return nil
}
self.mapName = mapName!
self.tileType = tileType
self.canReplaceMapContent = canReplaceMapContent
self.minimumZoomLevel = minimumZoomLevel
self.maximumZoomLevel = maximumZoomLevel
self.defaultTile = defaultTile
}
}
public class CustomMapOverlaySource: MKTileOverlay {
// requires folder: tiles/{mapName}/z/y/y,{tileType}
private var parent: MapViewSwiftUI
private let mapName: String
private let tileType: String
private let defaultTile: DefaultTile?
public init(
parent: MapViewSwiftUI,
mapName: String,
tileType: String,
defaultTile: DefaultTile?
) {
self.parent = parent
self.mapName = mapName
self.tileType = tileType
self.defaultTile = defaultTile
super.init(urlTemplate: "")
}
public override func url(forTilePath path: MKTileOverlayPath) -> URL {
if let tileUrl = Bundle.main.url(
forResource: "\(path.y)",
withExtension: self.tileType,
subdirectory: "tiles/\(self.mapName)/\(path.z)/\(path.x)",
localization: nil
) {
return tileUrl
} else if let defaultTile = self.defaultTile, let defaultTileUrl = Bundle.main.url(
forResource: defaultTile.tileName,
withExtension: defaultTile.tileType,
subdirectory: "tiles/\(self.mapName)",
localization: nil
) {
return defaultTileUrl
} else {
let urlstring = self.mapName+"\(path.z)/\(path.x)/\(path.y).png"
return URL(string: urlstring)!
}
}
}
}
class TileServerOverlay: MKTileOverlay {
override func url(forTilePath path: MKTileOverlayPath) -> URL { // lädt die Map-Tiles
if path.z <= 5 { // Es wurden nur Map-Tiles für z <= 5 geladen.
let fileManager = FileManager.default // Objekt zum Verwalten des Dateisystems
if var url = fileManager.urls(for: .cachesDirectory, in: .userDomainMask).first { // Url vom Cache-Verzeichnis
// Pfad wird erstellt
url.appendPathComponent("map")
url.appendPathComponent("\(path.z)")
url.appendPathComponent("\(path.x)")
url.appendPathComponent("\(path.y).png")
if fileManager.fileExists(atPath: url.path) { // Wenn das Map-Tile existiert...
return url
}
else {
//logger.info("OSMTileOverlay: MapTiles have not been downloaded yet.")
return Bundle.main.url(forResource: "default", withExtension: "png")!
}
}
else {
//logger.error("OSMTileOverlay: Could not find cache url.")
return Bundle.main.url(forResource: "default", withExtension: "png")!
}
}
else {
return Bundle.main.url(forResource: "default", withExtension: "png")!
}
}
}