c8173bf034
主要变更： 1. 从 AppDelegate 中移除 Core Data 相关的属性和方法，简化应用结构。 2. 新增 EPBaseListViewController 作为消息列表的基础类，提供通用的表视图功能。 3. 添加 EPMessageListVC、EPFriendListVC、EPFollowingListVC 和 EPFansListVC，分别用于展示消息、朋友、关注和粉丝列表。 4. 引入 EPMessageSegmentView 以支持消息主界面的分段控制。 此更新旨在提升代码的可维护性，简化数据管理，并增强用户界面的功能性和交互性。
127 lines
4.7 KiB
Swift
127 lines
4.7 KiB
Swift
import UIKit
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final class EPFriendListVC: EPBaseListViewController<EPUserBriefCell> {
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override func viewDidLoad() { super.viewDidLoad(); simulateItems(6) }
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}
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final class EPFollowingListVC: EPBaseListViewController<EPUserBriefCell> {
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override func viewDidLoad() { super.viewDidLoad(); simulateItems(10) }
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}
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final class EPFansListVC: EPBaseListViewController<EPUserBriefCell> {
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override func viewDidLoad() { super.viewDidLoad(); simulateItems(12) }
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}
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final class EPUserBriefCell: UITableViewCell {
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private let avatar = UIImageView()
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private let nameLabel = UILabel()
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private let subtitleLabel = UILabel()
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private let followButton = EPFollowButton()
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override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
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super.init(style: style, reuseIdentifier: reuseIdentifier)
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setup()
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}
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required init?(coder: NSCoder) { super.init(coder: coder); setup() }
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private func setup() {
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selectionStyle = .none
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backgroundColor = .clear
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avatar.contentMode = .scaleAspectFill
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avatar.layer.cornerRadius = 24
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avatar.layer.masksToBounds = true
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avatar.image = UIImage(named: "pi_login_new_logo")
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nameLabel.font = .systemFont(ofSize: 20, weight: .semibold)
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nameLabel.textColor = .white
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nameLabel.text = "Momoyy"
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subtitleLabel.font = .systemFont(ofSize: 16)
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subtitleLabel.textColor = UIColor.white.withAlphaComponent(0.6)
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subtitleLabel.text = "Welcome to play"
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contentView.addSubview(avatar)
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contentView.addSubview(nameLabel)
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contentView.addSubview(subtitleLabel)
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contentView.addSubview(followButton)
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avatar.translatesAutoresizingMaskIntoConstraints = false
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nameLabel.translatesAutoresizingMaskIntoConstraints = false
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subtitleLabel.translatesAutoresizingMaskIntoConstraints = false
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followButton.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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avatar.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 16),
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avatar.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
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avatar.widthAnchor.constraint(equalToConstant: 48),
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avatar.heightAnchor.constraint(equalToConstant: 48),
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nameLabel.leadingAnchor.constraint(equalTo: avatar.trailingAnchor, constant: 12),
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nameLabel.topAnchor.constraint(equalTo: avatar.topAnchor, constant: -2),
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subtitleLabel.leadingAnchor.constraint(equalTo: nameLabel.leadingAnchor),
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subtitleLabel.topAnchor.constraint(equalTo: nameLabel.bottomAnchor, constant: 6),
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followButton.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -16),
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followButton.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
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followButton.widthAnchor.constraint(equalToConstant: 120),
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followButton.heightAnchor.constraint(equalToConstant: 40)
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])
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followButton.setFollowed(false)
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}
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}
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final class EPFollowButton: UIButton {
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private var isFollowedState: Bool = false
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override init(frame: CGRect) { super.init(frame: frame); setup() }
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required init?(coder: NSCoder) { super.init(coder: coder); setup() }
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private func setup() {
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titleLabel?.font = .systemFont(ofSize: 18, weight: .semibold)
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layer.cornerRadius = 20
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layer.masksToBounds = true
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addTarget(self, action: #selector(onTap), for: .touchUpInside)
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}
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func setFollowed(_ followed: Bool) {
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isFollowedState = followed
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if followed {
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setTitle("Followed", for: .normal)
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backgroundColor = .clear
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layer.borderWidth = 1
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layer.borderColor = UIColor.systemPurple.withAlphaComponent(0.6).cgColor
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setTitleColor(UIColor.systemPurple.withAlphaComponent(0.9), for: .normal)
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} else {
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setTitle("Follow", for: .normal)
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layer.borderWidth = 0
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setTitleColor(.white, for: .normal)
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setGradientBackground()
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}
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}
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@objc private func onTap() { setFollowed(!isFollowedState) }
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private func setGradientBackground() {
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let gradient = CAGradientLayer()
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gradient.colors = [UIColor.systemPink.cgColor, UIColor.systemPurple.cgColor]
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gradient.startPoint = CGPoint(x: 0, y: 0.5)
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gradient.endPoint = CGPoint(x: 1, y: 0.5)
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gradient.frame = bounds
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gradient.cornerRadius = layer.cornerRadius
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layer.sublayers?.removeAll(where: { $0 is CAGradientLayer })
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layer.insertSublayer(gradient, at: 0)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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if !isFollowedState { setGradientBackground() }
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}
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}
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