mirror of
https://github.com/metabolist/metatext.git
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99 lines
3.7 KiB
Swift
99 lines
3.7 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import UIKit
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final class ConversationView: UIView {
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let avatarsView = ConversationAvatarsView()
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let displayNamesLabel = UILabel()
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let statusBodyView = StatusBodyView()
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private var conversationConfiguration: ConversationContentConfiguration
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init(configuration: ConversationContentConfiguration) {
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conversationConfiguration = configuration
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super.init(frame: .zero)
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initialSetup()
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applyConversationConfiguration()
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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 ConversationView: UIContentView {
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var configuration: UIContentConfiguration {
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get { conversationConfiguration }
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set {
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guard let conversationConfiguration = newValue as? ConversationContentConfiguration else { return }
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self.conversationConfiguration = conversationConfiguration
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applyConversationConfiguration()
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}
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}
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}
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private extension ConversationView {
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func initialSetup() {
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let containerStackView = UIStackView()
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let sideStackView = UIStackView()
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let mainStackView = UIStackView()
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addSubview(containerStackView)
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containerStackView.translatesAutoresizingMaskIntoConstraints = false
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containerStackView.spacing = .defaultSpacing
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sideStackView.axis = .vertical
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sideStackView.alignment = .trailing
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sideStackView.spacing = .compactSpacing
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sideStackView.addArrangedSubview(avatarsView)
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sideStackView.addArrangedSubview(UIView())
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containerStackView.addArrangedSubview(sideStackView)
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mainStackView.axis = .vertical
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mainStackView.spacing = .compactSpacing
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mainStackView.addArrangedSubview(displayNamesLabel)
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mainStackView.addSubview(UIView())
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mainStackView.addArrangedSubview(statusBodyView)
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containerStackView.addArrangedSubview(mainStackView)
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displayNamesLabel.font = .preferredFont(forTextStyle: .headline)
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displayNamesLabel.adjustsFontForContentSizeCategory = true
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statusBodyView.alpha = 0.5
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statusBodyView.isUserInteractionEnabled = false
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let avatarsHeightConstraint = avatarsView.heightAnchor.constraint(equalToConstant: .avatarDimension)
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avatarsHeightConstraint.priority = .justBelowMax
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NSLayoutConstraint.activate([
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containerStackView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
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containerStackView.topAnchor.constraint(equalTo: readableContentGuide.topAnchor),
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containerStackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
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containerStackView.bottomAnchor.constraint(equalTo: readableContentGuide.bottomAnchor),
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avatarsView.widthAnchor.constraint(equalToConstant: .avatarDimension),
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avatarsHeightConstraint,
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sideStackView.widthAnchor.constraint(equalToConstant: .avatarDimension)
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])
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}
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func applyConversationConfiguration() {
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let viewModel = conversationConfiguration.viewModel
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let displayNames = ListFormatter.localizedString(byJoining: viewModel.accountViewModels.map(\.displayName))
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let mutableDisplayNames = NSMutableAttributedString(string: displayNames)
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mutableDisplayNames.insert(
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emojis: viewModel.accountViewModels.map(\.emojis).reduce([], +),
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view: displayNamesLabel)
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mutableDisplayNames.resizeAttachments(toLineHeight: displayNamesLabel.font.lineHeight)
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displayNamesLabel.attributedText = mutableDisplayNames
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statusBodyView.viewModel = viewModel.statusViewModel
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avatarsView.viewModel = viewModel
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}
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}
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