mastodon-ios/Mastodon/Scene/Compose/CollectionViewCell/ComposeStatusPollOptionColl...

186 lines
7.7 KiB
Swift

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