314 lines
12 KiB
Swift
314 lines
12 KiB
Swift
//
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// FormatNoteViewController.swift
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// Note
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//
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// Created by fish on 2026/7/12.
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//
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import UIKit
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class FormatNoteViewController: UIViewController {
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private var textView: UITextView!
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private var iCloudButton: UIButton!
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private var noteButton: UIButton!
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private var floatingDoneButton: UIButton!
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private var floatingDoneButtonBottomConstraint: NSLayoutConstraint!
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private var doneButton: UIBarButtonItem!
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private var pasteButton: UIBarButtonItem!
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private var resetButton: UIBarButtonItem!
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private var rightBarButtonMode: RightBarButtonMode = .paste
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private var isCloudFormatted = false
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private var isNoteFormatted = false
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var initialText: String?
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private enum RightBarButtonMode {
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case paste
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case reset
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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title = "格式化笔记"
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navigationItem.largeTitleDisplayMode = .never
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view.backgroundColor = .systemGroupedBackground
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setupUI()
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if let initialText = initialText {
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textView.text = initialText
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}
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setupKeyboardObservers()
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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private func setupUI() {
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textView = UITextView()
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textView.translatesAutoresizingMaskIntoConstraints = false
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textView.backgroundColor = UIColor { traitCollection in
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traitCollection.userInterfaceStyle == .dark ? .secondarySystemBackground : .white
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}
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textView.layer.cornerRadius = 12
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textView.layer.borderWidth = 0.5
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textView.layer.borderColor = UIColor.separator.cgColor
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textView.layer.masksToBounds = true
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textView.font = UIFont.preferredFont(forTextStyle: .body)
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textView.textContainerInset = UIEdgeInsets(top: 12, left: 12, bottom: 12, right: 12)
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textView.isEditable = true
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textView.delegate = self
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view.addSubview(textView)
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doneButton = UIBarButtonItem(title: "完成", style: .plain, target: self, action: #selector(didTapDoneButton))
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pasteButton = UIBarButtonItem(title: "粘贴文案", style: .plain, target: self, action: #selector(didTapPasteButton))
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resetButton = UIBarButtonItem(title: "重置", style: .plain, target: self, action: #selector(didTapResetButton))
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updateRightBarButtonItem()
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iCloudButton = createBottomButton(title: "iCloud 格式化", color: .systemBlue)
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iCloudButton.addTarget(self, action: #selector(didTapiCloudButton), for: .touchUpInside)
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view.addSubview(iCloudButton)
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noteButton = createBottomButton(title: "Note 格式化", color: .systemGreen)
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noteButton.addTarget(self, action: #selector(didTapNoteButton), for: .touchUpInside)
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view.addSubview(noteButton)
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var doneConfig = UIButton.Configuration.glass()
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doneConfig.title = "完成"
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doneConfig.titleTextAttributesTransformer = UIConfigurationTextAttributesTransformer { incoming in
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var outgoing = incoming
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outgoing.font = UIFont.systemFont(ofSize: 17, weight: .semibold)
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return outgoing
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}
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doneConfig.baseForegroundColor = .label
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doneConfig.cornerStyle = .capsule
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doneConfig.contentInsets = NSDirectionalEdgeInsets(top: 15, leading: 22, bottom: 15, trailing: 22)
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floatingDoneButton = UIButton(configuration: doneConfig)
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floatingDoneButton.translatesAutoresizingMaskIntoConstraints = false
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floatingDoneButton.alpha = 0
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floatingDoneButton.addTarget(self, action: #selector(didTapFloatingDoneButton), for: .touchUpInside)
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view.addSubview(floatingDoneButton)
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let safeArea = view.safeAreaLayoutGuide
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let buttonHeight: CGFloat = 52
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let spacing: CGFloat = 16
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floatingDoneButtonBottomConstraint = floatingDoneButton.bottomAnchor.constraint(equalTo: view.bottomAnchor, constant: -spacing)
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NSLayoutConstraint.activate([
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textView.topAnchor.constraint(equalTo: safeArea.topAnchor, constant: spacing),
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textView.leadingAnchor.constraint(equalTo: safeArea.leadingAnchor, constant: spacing),
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textView.trailingAnchor.constraint(equalTo: safeArea.trailingAnchor, constant: -spacing),
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iCloudButton.topAnchor.constraint(equalTo: textView.bottomAnchor, constant: spacing),
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iCloudButton.leadingAnchor.constraint(equalTo: safeArea.leadingAnchor, constant: spacing),
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iCloudButton.trailingAnchor.constraint(equalTo: safeArea.centerXAnchor, constant: -spacing / 2),
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iCloudButton.heightAnchor.constraint(equalToConstant: buttonHeight),
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iCloudButton.bottomAnchor.constraint(equalTo: safeArea.bottomAnchor, constant: -spacing),
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noteButton.topAnchor.constraint(equalTo: textView.bottomAnchor, constant: spacing),
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noteButton.leadingAnchor.constraint(equalTo: safeArea.centerXAnchor, constant: spacing / 2),
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noteButton.trailingAnchor.constraint(equalTo: safeArea.trailingAnchor, constant: -spacing),
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noteButton.heightAnchor.constraint(equalToConstant: buttonHeight),
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noteButton.bottomAnchor.constraint(equalTo: safeArea.bottomAnchor, constant: -spacing),
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floatingDoneButton.trailingAnchor.constraint(equalTo: safeArea.trailingAnchor, constant: -spacing),
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floatingDoneButtonBottomConstraint
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])
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}
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private func createBottomButton(title: String, color: UIColor) -> UIButton {
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var config = UIButton.Configuration.filled()
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config.title = title
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config.baseBackgroundColor = color
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config.baseForegroundColor = .white
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config.cornerStyle = .medium
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config.contentInsets = NSDirectionalEdgeInsets(top: 0, leading: 16, bottom: 0, trailing: 16)
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let button = UIButton(configuration: config)
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button.translatesAutoresizingMaskIntoConstraints = false
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return button
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}
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@objc private func didTapDoneButton() {
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textView.resignFirstResponder()
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}
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@objc private func didTapFloatingDoneButton() {
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textView.resignFirstResponder()
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}
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private func setupKeyboardObservers() {
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NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow(_:)), name: UIResponder.keyboardWillShowNotification, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide(_:)), name: UIResponder.keyboardWillHideNotification, object: nil)
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}
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@objc private func keyboardWillShow(_ notification: Notification) {
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guard let keyboardFrame = notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? CGRect else { return }
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let keyboardFrameInView = view.convert(keyboardFrame, from: nil)
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let intersection = keyboardFrameInView.intersection(view.bounds)
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let keyboardHeight = intersection.height
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let duration = notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval ?? 0.25
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UIView.animate(withDuration: duration, delay: 0, options: .beginFromCurrentState) {
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self.textView.contentInset.bottom = keyboardHeight
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self.textView.verticalScrollIndicatorInsets.bottom = keyboardHeight
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self.floatingDoneButtonBottomConstraint.constant = -(keyboardHeight + 8)
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self.floatingDoneButton.alpha = 1
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self.view.layoutIfNeeded()
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}
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}
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@objc private func keyboardWillHide(_ notification: Notification) {
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let duration = notification.userInfo?[UIResponder.keyboardAnimationDurationUserInfoKey] as? TimeInterval ?? 0.25
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UIView.animate(withDuration: duration, delay: 0, options: .beginFromCurrentState) {
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self.textView.contentInset.bottom = 0
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self.textView.verticalScrollIndicatorInsets.bottom = 0
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self.floatingDoneButtonBottomConstraint.constant = -16
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self.floatingDoneButton.alpha = 0
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self.view.layoutIfNeeded()
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}
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}
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@objc private func didTapPasteButton() {
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if let string = UIPasteboard.general.string {
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textView.text = string
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}
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}
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private func trimmedText() -> String {
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return textView.text?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
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}
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private func showEmptyAlert() {
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let alert = UIAlertController(title: "提示", message: "请输入内容后再进行格式化", preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: "确定", style: .default))
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present(alert, animated: true)
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}
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@objc private func didTapResetButton() {
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let alert = UIAlertController(
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title: "确认重置",
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message: "确定要清空当前内容吗？",
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preferredStyle: .alert
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)
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alert.addAction(UIAlertAction(title: "取消", style: .cancel))
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alert.addAction(UIAlertAction(title: "重置", style: .destructive) { [weak self] _ in
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self?.performReset()
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})
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present(alert, animated: true)
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}
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private func performReset() {
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textView.text = ""
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rightBarButtonMode = .paste
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isCloudFormatted = false
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isNoteFormatted = false
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iCloudButton.setTitle("iCloud 格式化", for: .normal)
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noteButton.setTitle("Note 格式化", for: .normal)
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updateRightBarButtonItem()
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}
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private func updateRightBarButtonItem() {
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if textView.isFirstResponder {
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navigationItem.rightBarButtonItem = doneButton
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} else {
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switch rightBarButtonMode {
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case .paste:
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navigationItem.rightBarButtonItem = pasteButton
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case .reset:
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navigationItem.rightBarButtonItem = resetButton
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}
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}
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}
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@objc private func didTapiCloudButton() {
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guard !trimmedText().isEmpty else {
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showEmptyAlert()
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return
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}
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if isCloudFormatted {
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saveToFiles()
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} else {
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textView.text = TextFormatter.formatForCloud(textView.text)
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isCloudFormatted = true
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iCloudButton.setTitle("保存到 iCloud", for: .normal)
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rightBarButtonMode = .reset
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updateRightBarButtonItem()
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}
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}
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@objc private func didTapNoteButton() {
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guard !trimmedText().isEmpty else {
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showEmptyAlert()
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return
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}
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if isNoteFormatted {
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copyAndOpenNotes()
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} else {
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textView.text = TextFormatter.formatForNote(textView.text)
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isNoteFormatted = true
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noteButton.setTitle("复制并打开备忘录", for: .normal)
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rightBarButtonMode = .reset
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updateRightBarButtonItem()
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}
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}
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private func copyAndOpenNotes() {
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UIPasteboard.general.string = textView.text
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guard let url = URL(string: "mobilenotes://") else { return }
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guard UIApplication.shared.canOpenURL(url) else { return }
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UIApplication.shared.open(url, options: [:], completionHandler: nil)
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}
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private func saveToFiles() {
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let fileName = generateFileName()
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let fileURL = FileManager.default.temporaryDirectory.appendingPathComponent(fileName)
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do {
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try textView.text.write(to: fileURL, atomically: true, encoding: .utf8)
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let documentPicker = UIDocumentPickerViewController(forExporting: [fileURL], asCopy: true)
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documentPicker.delegate = self
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present(documentPicker, animated: true)
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} catch {
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print("Failed to write file: \(error)")
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}
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}
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private func generateFileName() -> String {
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let text = textView.text ?? ""
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let firstLine = text.components(separatedBy: .newlines).first ?? ""
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let trimmed = firstLine.trimmingCharacters(in: .whitespaces)
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let withoutHash = trimmed.replacingOccurrences(of: "^#\\s*", with: "", options: .regularExpression)
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let cleanName = withoutHash.trimmingCharacters(in: .whitespaces)
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if cleanName.isEmpty {
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return "formatted_note_\(Int(Date().timeIntervalSince1970)).md"
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}
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return cleanName + ".md"
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}
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}
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extension FormatNoteViewController: UIDocumentPickerDelegate {
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func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
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// File saved to selected location
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}
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func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
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// User cancelled
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}
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}
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extension FormatNoteViewController: UITextViewDelegate {
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func textViewDidBeginEditing(_ textView: UITextView) {
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updateRightBarButtonItem()
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}
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func textViewDidEndEditing(_ textView: UITextView) {
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updateRightBarButtonItem()
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}
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}
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