115 lines
3.4 KiB
Swift
115 lines
3.4 KiB
Swift
//
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// AgreementRowView.swift
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// suixinkan
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//
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import SnapKit
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import UIKit
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/// 协议勾选行，对应 Android `AgreementRow`。
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final class AgreementRowView: UIView, UITextViewDelegate {
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private let checkButton = UIButton(type: .custom)
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private let textView = UITextView()
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var isChecked = false {
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didSet { updateCheckboxImage() }
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}
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var onCheckedChange: (() -> Void)?
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var onUserAgreementTap: (() -> Void)?
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var onPrivacyPolicyTap: (() -> Void)?
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override init(frame: CGRect) {
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super.init(frame: frame)
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setupUI()
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setupConstraints()
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}
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@available(*, unavailable)
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required init?(coder: 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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checkButton.addTarget(self, action: #selector(checkButtonTapped), for: .touchUpInside)
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updateCheckboxImage()
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textView.backgroundColor = .clear
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textView.isEditable = false
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textView.isScrollEnabled = false
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textView.textContainerInset = .zero
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textView.textContainer.lineFragmentPadding = 0
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textView.delegate = self
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textView.linkTextAttributes = [
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.foregroundColor: AppColor.agreementLink,
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.font: UIFont.systemFont(ofSize: 12, weight: .semibold),
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]
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textView.attributedText = makeAgreementText()
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addSubview(checkButton)
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addSubview(textView)
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}
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private func setupConstraints() {
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checkButton.snp.makeConstraints { make in
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make.leading.top.equalToSuperview()
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make.size.equalTo(18)
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}
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textView.snp.makeConstraints { make in
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make.leading.equalTo(checkButton.snp.trailing).offset(8)
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make.trailing.top.bottom.equalToSuperview()
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}
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}
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private func updateCheckboxImage() {
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let imageName = isChecked ? "icon_cb_privacy_selected" : "icon_cb_privacy_unselect"
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checkButton.setImage(UIImage(named: imageName), for: .normal)
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}
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private func makeAgreementText() -> NSAttributedString {
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let result = NSMutableAttributedString()
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let normalAttributes: [NSAttributedString.Key: Any] = [
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.font: UIFont.systemFont(ofSize: 12),
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.foregroundColor: AppColor.text666,
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]
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let linkFont = UIFont.systemFont(ofSize: 12, weight: .semibold)
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result.append(NSAttributedString(string: "已阅读并同意", attributes: normalAttributes))
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result.append(NSAttributedString(string: "《用户协议》", attributes: [
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.font: linkFont,
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.foregroundColor: AppColor.agreementLink,
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.link: "tos",
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]))
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result.append(NSAttributedString(string: "与", attributes: normalAttributes))
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result.append(NSAttributedString(string: "《隐私政策》", attributes: [
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.font: linkFont,
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.foregroundColor: AppColor.agreementLink,
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.link: "privacy",
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]))
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return result
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}
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@objc private func checkButtonTapped() {
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onCheckedChange?()
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}
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func textView(
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_ textView: UITextView,
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shouldInteractWith URL: URL,
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in characterRange: NSRange,
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interaction: UITextItemInteraction
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) -> Bool {
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switch URL.absoluteString {
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case "tos":
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onUserAgreementTap?()
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case "privacy":
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onPrivacyPolicyTap?()
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default:
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break
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}
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return false
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}
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}
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