forked from zelo72/mastodon-ios
202 lines
9.1 KiB
Swift
202 lines
9.1 KiB
Swift
//
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// PollOptionView.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 UIKit
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import Combine
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final class PollOptionView: UIView {
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static let height: CGFloat = optionHeight + 2 * verticalMargin
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static let optionHeight: CGFloat = 44
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static let verticalMargin: CGFloat = 5
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static let checkmarkImageSize = CGSize(width: 26, height: 26)
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static let checkmarkBackgroundLeadingMargin: CGFloat = 9
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private var viewStateDisposeBag = Set<AnyCancellable>()
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let roundedBackgroundView = UIView()
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let voteProgressStripView: StripProgressView = {
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let view = StripProgressView()
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view.tintColor = Asset.Colors.Background.Poll.highlight.color
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return view
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}()
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let checkmarkBackgroundView: UIView = {
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let view = UIView()
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view.backgroundColor = .systemBackground
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return view
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}()
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let checkmarkImageView: UIImageView = {
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let imageView = UIImageView()
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let image = UIImage(systemName: "checkmark", withConfiguration: UIImage.SymbolConfiguration(pointSize: 14, weight: .bold))!
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imageView.image = image.withRenderingMode(.alwaysTemplate)
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imageView.tintColor = Asset.Colors.Button.normal.color
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return imageView
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}()
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let plusCircleImageView: UIImageView = {
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let imageView = UIImageView()
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let image = Asset.Circles.plusCircle.image
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imageView.image = image.withRenderingMode(.alwaysTemplate)
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imageView.tintColor = Asset.Colors.Button.normal.color
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return imageView
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}()
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let optionTextField: DeleteBackwardResponseTextField = {
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let textField = DeleteBackwardResponseTextField()
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textField.font = .systemFont(ofSize: 15, weight: .medium)
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textField.textColor = Asset.Colors.Label.primary.color
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textField.text = "Option"
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textField.textAlignment = UIApplication.shared.userInterfaceLayoutDirection == .leftToRight ? .left : .right
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return textField
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}()
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let optionLabelMiddlePaddingView = UIView()
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let optionPercentageLabel: UILabel = {
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let label = UILabel()
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label.font = .systemFont(ofSize: 13, weight: .regular)
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label.textColor = Asset.Colors.Label.primary.color
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label.text = "50%"
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label.textAlignment = UIApplication.shared.userInterfaceLayoutDirection == .leftToRight ? .right : .left
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return label
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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 PollOptionView {
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private func _init() {
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roundedBackgroundView.backgroundColor = Asset.Colors.Background.systemGroupedBackground.color
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roundedBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(roundedBackgroundView)
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NSLayoutConstraint.activate([
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roundedBackgroundView.topAnchor.constraint(equalTo: topAnchor, constant: 5),
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roundedBackgroundView.leadingAnchor.constraint(equalTo: leadingAnchor),
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roundedBackgroundView.trailingAnchor.constraint(equalTo: trailingAnchor),
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bottomAnchor.constraint(equalTo: roundedBackgroundView.bottomAnchor, constant: 5),
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roundedBackgroundView.heightAnchor.constraint(equalToConstant: PollOptionView.optionHeight).priority(.defaultHigh),
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])
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voteProgressStripView.translatesAutoresizingMaskIntoConstraints = false
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roundedBackgroundView.addSubview(voteProgressStripView)
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NSLayoutConstraint.activate([
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voteProgressStripView.topAnchor.constraint(equalTo: roundedBackgroundView.topAnchor),
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voteProgressStripView.leadingAnchor.constraint(equalTo: roundedBackgroundView.leadingAnchor),
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voteProgressStripView.trailingAnchor.constraint(equalTo: roundedBackgroundView.trailingAnchor),
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voteProgressStripView.bottomAnchor.constraint(equalTo: roundedBackgroundView.bottomAnchor),
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])
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checkmarkBackgroundView.translatesAutoresizingMaskIntoConstraints = false
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roundedBackgroundView.addSubview(checkmarkBackgroundView)
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NSLayoutConstraint.activate([
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checkmarkBackgroundView.topAnchor.constraint(equalTo: roundedBackgroundView.topAnchor, constant: 9),
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checkmarkBackgroundView.leadingAnchor.constraint(equalTo: roundedBackgroundView.leadingAnchor, constant: PollOptionView.checkmarkBackgroundLeadingMargin),
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roundedBackgroundView.bottomAnchor.constraint(equalTo: checkmarkBackgroundView.bottomAnchor, constant: 9),
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checkmarkBackgroundView.widthAnchor.constraint(equalToConstant: PollOptionView.checkmarkImageSize.width).priority(.required - 1),
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checkmarkBackgroundView.heightAnchor.constraint(equalToConstant: PollOptionView.checkmarkImageSize.height).priority(.required - 1),
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])
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checkmarkImageView.translatesAutoresizingMaskIntoConstraints = false
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checkmarkBackgroundView.addSubview(checkmarkImageView)
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NSLayoutConstraint.activate([
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checkmarkImageView.topAnchor.constraint(equalTo: checkmarkBackgroundView.topAnchor, constant: 5),
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checkmarkImageView.leadingAnchor.constraint(equalTo: checkmarkBackgroundView.leadingAnchor, constant: 5),
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checkmarkBackgroundView.trailingAnchor.constraint(equalTo: checkmarkImageView.trailingAnchor, constant: 5),
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checkmarkBackgroundView.bottomAnchor.constraint(equalTo: checkmarkImageView.bottomAnchor, constant: 5),
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])
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plusCircleImageView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(plusCircleImageView)
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NSLayoutConstraint.activate([
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plusCircleImageView.topAnchor.constraint(equalTo: checkmarkBackgroundView.topAnchor),
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plusCircleImageView.leadingAnchor.constraint(equalTo: checkmarkBackgroundView.leadingAnchor),
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plusCircleImageView.trailingAnchor.constraint(equalTo: checkmarkBackgroundView.trailingAnchor),
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plusCircleImageView.bottomAnchor.constraint(equalTo: checkmarkBackgroundView.bottomAnchor),
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])
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optionTextField.translatesAutoresizingMaskIntoConstraints = false
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roundedBackgroundView.addSubview(optionTextField)
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NSLayoutConstraint.activate([
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optionTextField.leadingAnchor.constraint(equalTo: checkmarkBackgroundView.trailingAnchor, constant: 14),
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optionTextField.centerYAnchor.constraint(equalTo: roundedBackgroundView.centerYAnchor),
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optionTextField.widthAnchor.constraint(greaterThanOrEqualToConstant: 44).priority(.defaultHigh),
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])
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optionLabelMiddlePaddingView.translatesAutoresizingMaskIntoConstraints = false
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roundedBackgroundView.addSubview(optionLabelMiddlePaddingView)
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NSLayoutConstraint.activate([
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optionLabelMiddlePaddingView.leadingAnchor.constraint(equalTo: optionTextField.trailingAnchor),
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optionLabelMiddlePaddingView.centerYAnchor.constraint(equalTo: roundedBackgroundView.centerYAnchor),
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optionLabelMiddlePaddingView.heightAnchor.constraint(equalToConstant: 4).priority(.defaultHigh),
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optionLabelMiddlePaddingView.widthAnchor.constraint(greaterThanOrEqualToConstant: 8).priority(.defaultLow),
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])
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optionLabelMiddlePaddingView.setContentHuggingPriority(.required - 1, for: .horizontal)
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optionLabelMiddlePaddingView.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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optionPercentageLabel.translatesAutoresizingMaskIntoConstraints = false
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roundedBackgroundView.addSubview(optionPercentageLabel)
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NSLayoutConstraint.activate([
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optionPercentageLabel.leadingAnchor.constraint(equalTo: optionLabelMiddlePaddingView.trailingAnchor),
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roundedBackgroundView.trailingAnchor.constraint(equalTo: optionPercentageLabel.trailingAnchor, constant: 18),
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optionPercentageLabel.centerYAnchor.constraint(equalTo: roundedBackgroundView.centerYAnchor),
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])
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optionPercentageLabel.setContentHuggingPriority(.defaultHigh, for: .horizontal)
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optionPercentageLabel.setContentCompressionResistancePriority(.required - 1, for: .horizontal)
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plusCircleImageView.isHidden = true
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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updateCornerRadius()
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}
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}
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extension PollOptionView {
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private func updateCornerRadius() {
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roundedBackgroundView.layer.masksToBounds = true
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roundedBackgroundView.layer.cornerRadius = PollOptionView.optionHeight * 0.5
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roundedBackgroundView.layer.cornerCurve = .circular
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checkmarkBackgroundView.layer.masksToBounds = true
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checkmarkBackgroundView.layer.cornerRadius = PollOptionView.checkmarkImageSize.width * 0.5
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checkmarkBackgroundView.layer.cornerCurve = .circular
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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 PollOptionView_Previews: PreviewProvider {
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static var previews: some View {
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Group {
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UIViewPreview(width: 375) {
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PollOptionView()
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}
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.previewLayout(.fixed(width: 375, height: 100))
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}
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}
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}
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#endif
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