Andrea Busi
83 lines
2.8 KiB
Swift
83 lines
2.8 KiB
Swift
//
|
|
// EQNMapAnnotationSeismic.swift
|
|
// Earthquake Network
|
|
//
|
|
// Created by Andrea Busi on 07/03/21.
|
|
// Copyright © 2021 Earthquake Network. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
import MapKit
|
|
|
|
|
|
class EQNMapAnnotationSeismic: NSObject, MKAnnotation {
|
|
|
|
let coordinate: CLLocationCoordinate2D
|
|
let title: String?
|
|
let subtitle: String?
|
|
let textColor: UIColor
|
|
|
|
let seismic: EQNSisma
|
|
|
|
// MARK: - Init
|
|
|
|
init(seismic: EQNSisma) {
|
|
self.seismic = seismic
|
|
self.coordinate = CLLocationCoordinate2D(latitude: seismic.coordinate.coordinate.latitude,
|
|
longitude: seismic.coordinate.coordinate.longitude)
|
|
self.title = seismic.provider
|
|
if let date = seismic.date {
|
|
self.subtitle = EQNUtility.formattedTimeDifference(from: date)
|
|
} else {
|
|
self.subtitle = nil
|
|
}
|
|
self.textColor = Self.textColor(for: seismic)
|
|
|
|
super.init()
|
|
}
|
|
|
|
// MARK: - Helpers
|
|
|
|
func image(
|
|
height: CGFloat,
|
|
isUserSelection: Bool
|
|
) -> UIImage? {
|
|
let color = Self.imageColor(for: seismic)
|
|
let borderColor = isUserSelection ? AppTheme.Colors.red : AppTheme.Colors.darkGray
|
|
return UIImage.circle(diameter: height, color: color, borderWidth: 2.0, borderColor: borderColor)
|
|
}
|
|
|
|
|
|
// MARK: - Private
|
|
|
|
private class func textColor(for seismic: EQNSisma) -> UIColor {
|
|
let magnitude = seismic.magnitude.doubleValue
|
|
if magnitude < 2.0 {
|
|
return UIColor(red: 0.0, green: 200.0/255.0, blue: 200.0/255.0, alpha: 1.0)
|
|
} else if magnitude < 3.5 {
|
|
return UIColor(red: 0.0, green: 200.0/255.0, blue: 0.0, alpha: 1.0)
|
|
} else if magnitude < 4.5 {
|
|
return UIColor(red: 240.0/255.0, green: 190.0/255.0, blue: 0.0, alpha: 1.0)
|
|
} else if magnitude < 5.5 {
|
|
return UIColor(red: 200.0/255.0, green: 0.0, blue: 0.0, alpha: 1.0)
|
|
} else {
|
|
return UIColor(red: 200.0/255.0, green: 0.0, blue: 200.0/255.0, alpha: 1.0)
|
|
}
|
|
}
|
|
|
|
private class func imageColor(for seismic: EQNSisma) -> UIColor {
|
|
let magnitude = seismic.magnitude.doubleValue
|
|
if magnitude < 2.0 {
|
|
return UIColor(red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0) // white
|
|
} else if magnitude < 3.5 {
|
|
return UIColor(red: 0.0, green: 1.0, blue: 0.0, alpha: 1.0) // green
|
|
} else if magnitude < 4.5 {
|
|
return UIColor(red: 1.0, green: 1.0, blue: 0.0, alpha: 1.0) // yellow
|
|
} else if magnitude < 5.5 {
|
|
return UIColor(red: 1.0, green: 0.0, blue: 0.0, alpha: 1.0) // red
|
|
} else {
|
|
return UIColor(red: 1.0, green: 0.0, blue: 1.0, alpha: 1.0) // magenta
|
|
}
|
|
}
|
|
}
|