185 lines
7.7 KiB
Swift
185 lines
7.7 KiB
Swift
//
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// ComposeStatusPollOptionCollectionViewCell.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-3-23.
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//
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import os.log
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import UIKit
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import Combine
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import MastodonAsset
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import MastodonLocalization
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import MastodonUI
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protocol ComposeStatusPollOptionCollectionViewCellDelegate: AnyObject {
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func composeStatusPollOptionCollectionViewCell(_ cell: ComposeStatusPollOptionCollectionViewCell, textFieldDidBeginEditing textField: UITextField)
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func composeStatusPollOptionCollectionViewCell(_ cell: ComposeStatusPollOptionCollectionViewCell, textBeforeDeleteBackward text: String?)
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func composeStatusPollOptionCollectionViewCell(_ cell: ComposeStatusPollOptionCollectionViewCell, pollOptionTextFieldDidReturn: UITextField)
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}
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final class ComposeStatusPollOptionCollectionViewCell: UICollectionViewCell {
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static let reorderHandlerImageLeadingMargin: CGFloat = 11
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var disposeBag = Set<AnyCancellable>()
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weak var delegate: ComposeStatusPollOptionCollectionViewCellDelegate?
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let pollOptionView = PollOptionView()
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let reorderBarImageView: UIImageView = {
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let imageView = UIImageView()
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imageView.contentMode = .scaleAspectFit
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imageView.image = UIImage(systemName: "line.horizontal.3")?.withConfiguration(UIImage.SymbolConfiguration(pointSize: 20, weight: .regular)).withRenderingMode(.alwaysTemplate)
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imageView.tintColor = Asset.Colors.Label.secondary.color
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return imageView
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}()
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let singleTagGestureRecognizer = UITapGestureRecognizer.singleTapGestureRecognizer
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private var pollOptionSubscription: AnyCancellable?
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let pollOption = PassthroughSubject<String, Never>()
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override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
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return pollOptionView.frame.contains(point)
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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delegate = nil
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disposeBag.removeAll()
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension ComposeStatusPollOptionCollectionViewCell {
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private func _init() {
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pollOptionView.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(pollOptionView)
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NSLayoutConstraint.activate([
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pollOptionView.topAnchor.constraint(equalTo: contentView.topAnchor),
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pollOptionView.leadingAnchor.constraint(equalTo: contentView.readableContentGuide.leadingAnchor),
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pollOptionView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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])
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reorderBarImageView.translatesAutoresizingMaskIntoConstraints = false
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contentView.addSubview(reorderBarImageView)
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NSLayoutConstraint.activate([
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reorderBarImageView.topAnchor.constraint(equalTo: contentView.topAnchor),
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reorderBarImageView.leadingAnchor.constraint(equalTo: pollOptionView.trailingAnchor, constant: ComposeStatusPollOptionCollectionViewCell.reorderHandlerImageLeadingMargin),
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reorderBarImageView.trailingAnchor.constraint(equalTo: contentView.readableContentGuide.trailingAnchor),
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reorderBarImageView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
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])
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reorderBarImageView.setContentCompressionResistancePriority(.defaultHigh + 10, for: .horizontal)
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pollOptionView.checkmarkImageView.isHidden = true
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pollOptionView.optionPercentageLabel.isHidden = true
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pollOptionView.optionTextField.text = nil
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pollOptionView.roundedBackgroundView.backgroundColor = ThemeService.shared.currentTheme.value.tertiarySystemGroupedBackgroundColor
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pollOptionView.checkmarkBackgroundView.backgroundColor = UIColor(dynamicProvider: { traitCollection in
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return traitCollection.userInterfaceStyle == .light ? .white : ThemeService.shared.currentTheme.value.tableViewCellSelectionBackgroundColor
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})
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setupBorderColor()
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pollOptionView.addGestureRecognizer(singleTagGestureRecognizer)
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singleTagGestureRecognizer.addTarget(self, action: #selector(ComposeStatusPollOptionCollectionViewCell.singleTagGestureRecognizerHandler(_:)))
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pollOptionSubscription = NotificationCenter.default.publisher(for: UITextField.textDidChangeNotification, object: pollOptionView.optionTextField)
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.receive(on: DispatchQueue.main)
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.sink { [weak self] notification in
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guard let self = self else { return }
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guard let textField = notification.object as? UITextField else { return }
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self.pollOption.send(textField.text ?? "")
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}
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pollOptionView.optionTextField.deleteBackwardDelegate = self
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pollOptionView.optionTextField.delegate = self
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}
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private func setupBorderColor() {
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pollOptionView.roundedBackgroundView.layer.borderWidth = 1
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pollOptionView.roundedBackgroundView.layer.borderColor = ThemeService.shared.currentTheme.value.tableViewCellSelectionBackgroundColor.withAlphaComponent(0.3).cgColor
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pollOptionView.checkmarkBackgroundView.layer.borderColor = ThemeService.shared.currentTheme.value.tableViewCellSelectionBackgroundColor.withAlphaComponent(0.3).cgColor
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pollOptionView.checkmarkBackgroundView.layer.borderWidth = 1
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}
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override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
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super.traitCollectionDidChange(previousTraitCollection)
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setupBorderColor()
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}
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}
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extension ComposeStatusPollOptionCollectionViewCell {
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@objc private func singleTagGestureRecognizerHandler(_ sender: UITapGestureRecognizer) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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pollOptionView.optionTextField.becomeFirstResponder()
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}
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}
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// MARK: - DeleteBackwardResponseTextFieldDelegate
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extension ComposeStatusPollOptionCollectionViewCell: DeleteBackwardResponseTextFieldDelegate {
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func deleteBackwardResponseTextField(_ textField: DeleteBackwardResponseTextField, textBeforeDelete: String?) {
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delegate?.composeStatusPollOptionCollectionViewCell(self, textBeforeDeleteBackward: textBeforeDelete)
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}
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}
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// MARK: - UITextFieldDelegate
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extension ComposeStatusPollOptionCollectionViewCell: UITextFieldDelegate {
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func textFieldDidBeginEditing(_ textField: UITextField) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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delegate?.composeStatusPollOptionCollectionViewCell(self, textFieldDidBeginEditing: textField)
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}
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func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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if textField === pollOptionView.optionTextField {
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delegate?.composeStatusPollOptionCollectionViewCell(self, pollOptionTextFieldDidReturn: textField)
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}
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return true
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}
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}
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#if canImport(SwiftUI) && DEBUG
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import SwiftUI
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struct ComposeStatusPollOptionCollectionViewCell_Previews: PreviewProvider {
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static var controls: some View {
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Group {
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UIViewPreview() {
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let cell = ComposeStatusPollOptionCollectionViewCell()
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return cell
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}
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.previewLayout(.fixed(width: 375, height: 44 + 10))
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}
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}
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static var previews: some View {
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Group {
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controls.colorScheme(.light)
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controls.colorScheme(.dark)
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}
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.background(Color.gray)
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}
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}
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#endif
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