Andrea Busi
78 lines
2.1 KiB
Swift
78 lines
2.1 KiB
Swift
//
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// EQNCustomAnnotationView.swift
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// Earthquake Network
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//
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// Created by Andrea Busi on 06/03/21.
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// Copyright © 2021 Earthquake Network. All rights reserved.
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//
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import Foundation
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import MapKit
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@objc
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public class EQNCustomAnnotationView: MKAnnotationView {
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@objc static let Identifier = "EQNCustomAnnotationView"
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private static let AnnotationFrame = CGRect(x: 0, y: 0, width: 40, height: 40)
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private static let HeightLabel: CGFloat = 15.0
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// MARK: - Public
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@objc public override var image: UIImage? {
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set { imageView.image = newValue }
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get { imageView.image }
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}
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@objc public var title: String? {
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set { label.text = newValue }
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get { label.text }
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}
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// MARK: - UI
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private lazy var imageView: UIImageView = {
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let imageView = UIImageView()
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imageView.contentMode = .scaleAspectFit
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return imageView
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}()
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private lazy var label: UILabel = {
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let label = UILabel()
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label.font = UIFont.systemFont(ofSize: 12, weight: .medium)
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label.textAlignment = .center
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return label
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}()
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// MARK: - Init
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@objc
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override init(annotation: MKAnnotation?, reuseIdentifier: String?) {
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super.init(annotation: annotation, reuseIdentifier: reuseIdentifier)
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frame = Self.AnnotationFrame
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setupUI()
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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private func setupUI() {
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backgroundColor = .clear
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let labelFrame = CGRect(x: 0, y: 0, width: Self.AnnotationFrame.width, height: Self.HeightLabel)
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label.frame = labelFrame
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addSubview(label)
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let imageViewHeight = Self.AnnotationFrame.height - labelFrame.height
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imageView.frame = CGRect(x: 0, y: labelFrame.height, width: Self.AnnotationFrame.width, height: imageViewHeight)
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addSubview(imageView)
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let yOffeset = Self.AnnotationFrame.height / 2.0 - (Self.HeightLabel + imageViewHeight / 2.0)
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centerOffset = CGPoint(x: 0, y: yOffeset)
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}
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}
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