//
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// LanternNumberPageIndicator.swift
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// Lantern
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//
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// Created by JiongXing on 2019/11/25.
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// Copyright © 2021 Shenzhen Hive Box Technology Co.,Ltd All rights reserved.
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//
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import UIKit
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open class LanternNumberPageIndicator: UILabel, LanternPageIndicator {
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/// 页码与顶部的距离
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open lazy var topPadding: CGFloat = {
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if #available(iOS 11.0, *),
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let window = UIApplication.shared.keyWindow {
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return window.safeAreaInsets.top
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}
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return 20
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}()
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public convenience init() {
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self.init(frame: .zero)
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}
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public override init(frame: CGRect) {
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super.init(frame: frame)
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config()
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}
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required public init?(coder: NSCoder) {
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super.init(coder: coder)
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config()
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}
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private func config() {
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font = UIFont.systemFont(ofSize: 17)
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textAlignment = .center
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textColor = UIColor.white
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backgroundColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.4)
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layer.masksToBounds = true
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}
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public func setup(with lantern: Lantern) {
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}
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private var total: Int = 0
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public func reloadData(numberOfItems: Int, pageIndex: Int) {
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total = numberOfItems
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text = "\(pageIndex + 1) / \(total)"
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sizeToFit()
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frame.size.width += frame.height
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layer.cornerRadius = frame.height / 2
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if let view = superview {
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center.x = view.bounds.width / 2
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frame.origin.y = topPadding
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}
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isHidden = numberOfItems <= 1
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}
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public func didChanged(pageIndex: Int) {
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text = "\(pageIndex + 1) / \(total)"
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}
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}
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