mastodon-ios/Mastodon/Scene/Share/View/TableviewCell/PollOptionTableViewCell.swift

148 lines
5.0 KiB
Swift

//
// PollOptionTableViewCell.swift
// Mastodon
//
// Created by MainasuK Cirno on 2021-2-25.
//
import UIKit
import Combine
final class PollOptionTableViewCell: UITableViewCell {
let pollOptionView = PollOptionView()
var attribute: PollItem.Attribute?
override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: style, reuseIdentifier: reuseIdentifier)
_init()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
_init()
}
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
guard let voteState = attribute?.voteState else { return }
switch voteState {
case .hidden:
let color = Asset.Colors.Background.systemGroupedBackground.color
pollOptionView.roundedBackgroundView.backgroundColor = isHighlighted ? color.withAlphaComponent(0.8) : color
case .reveal:
break
}
}
override func setHighlighted(_ highlighted: Bool, animated: Bool) {
super.setHighlighted(highlighted, animated: animated)
guard let voteState = attribute?.voteState else { return }
switch voteState {
case .hidden:
let color = Asset.Colors.Background.systemGroupedBackground.color
pollOptionView.roundedBackgroundView.backgroundColor = isHighlighted ? color.withAlphaComponent(0.8) : color
case .reveal:
break
}
}
}
extension PollOptionTableViewCell {
private func _init() {
selectionStyle = .none
backgroundColor = .clear
pollOptionView.optionTextField.isUserInteractionEnabled = false
pollOptionView.translatesAutoresizingMaskIntoConstraints = false
contentView.addSubview(pollOptionView)
NSLayoutConstraint.activate([
pollOptionView.topAnchor.constraint(equalTo: contentView.topAnchor),
pollOptionView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
pollOptionView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
pollOptionView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor),
])
}
func updateTextAppearance() {
guard let voteState = attribute?.voteState else {
pollOptionView.optionTextField.textColor = Asset.Colors.Label.primary.color
pollOptionView.optionTextField.layer.removeShadow()
return
}
switch voteState {
case .hidden:
pollOptionView.optionTextField.textColor = Asset.Colors.Label.primary.color
pollOptionView.optionTextField.layer.removeShadow()
case .reveal(_, let percentage, _):
if CGFloat(percentage) * pollOptionView.voteProgressStripView.frame.width > pollOptionView.optionLabelMiddlePaddingView.frame.minX {
pollOptionView.optionTextField.textColor = .white
pollOptionView.optionTextField.layer.setupShadow(x: 0, y: 0, blur: 4, spread: 0)
} else {
pollOptionView.optionTextField.textColor = Asset.Colors.Label.primary.color
pollOptionView.optionTextField.layer.removeShadow()
}
if CGFloat(percentage) * pollOptionView.voteProgressStripView.frame.width > pollOptionView.optionLabelMiddlePaddingView.frame.maxX {
pollOptionView.optionPercentageLabel.textColor = .white
pollOptionView.optionPercentageLabel.layer.setupShadow(x: 0, y: 0, blur: 4, spread: 0)
} else {
pollOptionView.optionPercentageLabel.textColor = Asset.Colors.Label.primary.color
pollOptionView.optionPercentageLabel.layer.removeShadow()
}
}
}
override func layoutSubviews() {
super.layoutSubviews()
updateTextAppearance()
}
}
#if canImport(SwiftUI) && DEBUG
import SwiftUI
struct PollTableViewCell_Previews: PreviewProvider {
static var controls: some View {
Group {
UIViewPreview() {
PollOptionTableViewCell()
}
.previewLayout(.fixed(width: 375, height: 44 + 10))
UIViewPreview() {
let cell = PollOptionTableViewCell()
PollSection.configure(cell: cell, selectState: .off)
return cell
}
.previewLayout(.fixed(width: 375, height: 44 + 10))
UIViewPreview() {
let cell = PollOptionTableViewCell()
PollSection.configure(cell: cell, selectState: .on)
return cell
}
.previewLayout(.fixed(width: 375, height: 44 + 10))
}
.background(Color(.systemBackground))
}
static var previews: some View {
Group {
controls
.colorScheme(.light)
controls
.colorScheme(.dark)
}
}
}
#endif