94 lines
3.3 KiB
Swift
94 lines
3.3 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Mastodon
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import UIKit
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final class PollResultView: UIView {
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let titleLabel = UILabel()
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let percentLabel = UILabel()
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private let verticalStackView = UIStackView()
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private let horizontalStackView = UIStackView()
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private let percentView = UIProgressView()
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init(option: Poll.Option, emojis: [Emoji], selected: Bool, multipleSelection: Bool, votersCount: Int) {
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super.init(frame: .zero)
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addSubview(verticalStackView)
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verticalStackView.translatesAutoresizingMaskIntoConstraints = false
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verticalStackView.axis = .vertical
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verticalStackView.spacing = .compactSpacing
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verticalStackView.addArrangedSubview(horizontalStackView)
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horizontalStackView.spacing = .compactSpacing
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verticalStackView.addArrangedSubview(percentView)
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if selected {
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let imageView = UIImageView(
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image: UIImage(
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systemName: multipleSelection ? "checkmark.square" : "checkmark.circle",
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withConfiguration: UIImage.SymbolConfiguration(scale: .medium)))
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imageView.setContentHuggingPriority(.required, for: .horizontal)
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horizontalStackView.addArrangedSubview(imageView)
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}
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horizontalStackView.addArrangedSubview(titleLabel)
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titleLabel.font = .preferredFont(forTextStyle: .callout)
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titleLabel.adjustsFontForContentSizeCategory = true
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titleLabel.numberOfLines = 0
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horizontalStackView.addArrangedSubview(percentLabel)
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percentLabel.font = .preferredFont(forTextStyle: .callout)
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percentLabel.adjustsFontForContentSizeCategory = true
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percentLabel.setContentHuggingPriority(.required, for: .horizontal)
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let attributedTitle = NSMutableAttributedString(string: option.title)
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attributedTitle.insert(emojis: emojis, view: titleLabel)
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attributedTitle.resizeAttachments(toLineHeight: titleLabel.font.lineHeight)
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titleLabel.attributedText = attributedTitle
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let percent: Float
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if votersCount == 0 {
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percent = 0
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} else {
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percent = Float(option.votesCount) / Float(votersCount)
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}
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percentLabel.text = Self.percentFormatter.string(from: NSNumber(value: percent))
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percentView.progress = percent
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NSLayoutConstraint.activate([
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verticalStackView.leadingAnchor.constraint(equalTo: leadingAnchor),
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verticalStackView.topAnchor.constraint(equalTo: topAnchor),
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verticalStackView.trailingAnchor.constraint(equalTo: trailingAnchor),
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verticalStackView.bottomAnchor.constraint(equalTo: bottomAnchor)
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])
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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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}
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extension PollResultView {
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static func estimatedHeight(width: CGFloat, title: String) -> CGFloat {
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title.height(width: width, font: .preferredFont(forTextStyle: .callout))
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+ .compactSpacing
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+ 4 // progress view height
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}
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}
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private extension PollResultView {
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private static var percentFormatter: NumberFormatter = {
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let percentageFormatter = NumberFormatter()
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percentageFormatter.numberStyle = .percent
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return percentageFormatter
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}()
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}
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