110 lines
4.3 KiB
Swift
110 lines
4.3 KiB
Swift
//
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// PollOptionView.swift
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// Tusker
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//
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// Created by Shadowfacts on 4/25/21.
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// Copyright © 2021 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Pachyderm
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class PollOptionView: UIView {
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private let unselectedBackgroundColor = UIColor(white: 0.5, alpha: 0.25)
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let checkbox: PollOptionCheckboxView
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init(poll: Poll, option: Poll.Option, mastodonController: MastodonController) {
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checkbox = PollOptionCheckboxView(multiple: poll.multiple)
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super.init(frame: .zero)
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let minHeight: CGFloat = 35
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layer.cornerRadius = 0.1 * minHeight
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backgroundColor = unselectedBackgroundColor
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checkbox.translatesAutoresizingMaskIntoConstraints = false
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addSubview(checkbox)
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let label = EmojiLabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.numberOfLines = 0
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label.font = .preferredFont(forTextStyle: .callout)
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label.text = option.title
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label.setEmojis(poll.emojis, identifier: poll.id)
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addSubview(label)
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let percentLabel = UILabel()
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percentLabel.translatesAutoresizingMaskIntoConstraints = false
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percentLabel.text = "100%"
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percentLabel.font = label.font
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percentLabel.isHidden = true
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percentLabel.setContentCompressionResistancePriority(.required, for: .horizontal)
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percentLabel.setContentHuggingPriority(.required, for: .horizontal)
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addSubview(percentLabel)
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accessibilityLabel = option.title
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if (poll.voted ?? false) || poll.effectiveExpired,
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let optionVotes = option.votesCount {
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let frac: CGFloat
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if poll.multiple,
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let votersCount = poll.votersCount,
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mastodonController.instanceFeatures.pollVotersCount {
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frac = votersCount == 0 ? 0 : CGFloat(optionVotes) / CGFloat(votersCount)
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} else {
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frac = poll.votesCount == 0 ? 0 : CGFloat(optionVotes) / CGFloat(poll.votesCount)
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}
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let percent = String(format: "%.0f%%", frac * 100)
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percentLabel.isHidden = false
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percentLabel.text = percent
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let fillView = UIView()
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fillView.translatesAutoresizingMaskIntoConstraints = false
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fillView.backgroundColor = .tintColor.withAlphaComponent(0.6)
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fillView.layer.zPosition = -1
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fillView.layer.cornerRadius = layer.cornerRadius
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addSubview(fillView)
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NSLayoutConstraint.activate([
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fillView.leadingAnchor.constraint(equalTo: leadingAnchor),
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fillView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: frac),
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fillView.topAnchor.constraint(equalTo: topAnchor),
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fillView.bottomAnchor.constraint(equalTo: bottomAnchor),
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])
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accessibilityLabel! += ", \(percent)"
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}
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let minHeightConstraint = heightAnchor.constraint(greaterThanOrEqualToConstant: minHeight)
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// on the first layout, something is weird and this becomes ambiguous even though it's fine on subsequent layouts
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// this keeps autolayout from complaining
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minHeightConstraint.priority = .required - 1
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NSLayoutConstraint.activate([
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minHeightConstraint,
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checkbox.centerYAnchor.constraint(equalTo: centerYAnchor),
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checkbox.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 8),
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label.topAnchor.constraint(equalTo: topAnchor, constant: 4),
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label.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -4),
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label.leadingAnchor.constraint(equalTo: checkbox.trailingAnchor, constant: 8),
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label.trailingAnchor.constraint(equalTo: percentLabel.leadingAnchor, constant: -4),
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percentLabel.topAnchor.constraint(equalTo: topAnchor),
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percentLabel.bottomAnchor.constraint(equalTo: bottomAnchor),
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percentLabel.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -8),
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])
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isAccessibilityElement = true
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}
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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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