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Merge pull request #56 from loki-project/mentions
Mentions V1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
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| // MARK: - User Selection View | ||
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| @objc(LKUserSelectionView) | ||
| final class UserSelectionView : UIView, UITableViewDataSource, UITableViewDelegate { | ||
| @objc var users: [String] = [] { didSet { tableView.reloadData() } } | ||
| @objc var hasGroupContext = false | ||
| @objc var delegate: UserSelectionViewDelegate? | ||
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| // MARK: Components | ||
| private lazy var tableView: UITableView = { | ||
| let result = UITableView() | ||
| result.dataSource = self | ||
| result.delegate = self | ||
| result.register(Cell.self, forCellReuseIdentifier: "Cell") | ||
| result.separatorStyle = .none | ||
| result.backgroundColor = .clear | ||
| result.contentInset = UIEdgeInsets(top: 10, leading: 0, bottom: 0, trailing: 0) | ||
| return result | ||
| }() | ||
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| // MARK: Initialization | ||
| override init(frame: CGRect) { | ||
| super.init(frame: frame) | ||
| setUpViewHierarchy() | ||
| } | ||
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| required init?(coder: NSCoder) { | ||
| super.init(coder: coder) | ||
| setUpViewHierarchy() | ||
| } | ||
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| private func setUpViewHierarchy() { | ||
| addSubview(tableView) | ||
| tableView.pin(to: self) | ||
| } | ||
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| // MARK: Data | ||
| func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { | ||
| return users.count | ||
| } | ||
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| func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { | ||
| let cell = tableView.dequeueReusableCell(withIdentifier: "Cell") as! Cell | ||
| let user = users[indexPath.row] | ||
| cell.user = user | ||
| cell.hasGroupContext = hasGroupContext | ||
| return cell | ||
| } | ||
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| // MARK: Interaction | ||
| func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { | ||
| let user = users[indexPath.row] | ||
| delegate?.handleUserSelected(user, from: self) | ||
| } | ||
| } | ||
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| // MARK: - Cell | ||
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| private extension UserSelectionView { | ||
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| final class Cell : UITableViewCell { | ||
| var user = "" { didSet { update() } } | ||
| var hasGroupContext = false | ||
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| // MARK: Components | ||
| private lazy var profilePictureImageView = AvatarImageView() | ||
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| private lazy var moderatorIconImageView: UIImageView = { | ||
| let result = UIImageView(image: #imageLiteral(resourceName: "Crown")) | ||
| return result | ||
| }() | ||
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| private lazy var displayNameLabel: UILabel = { | ||
| let result = UILabel() | ||
| result.textColor = Theme.primaryColor | ||
| result.font = UIFont.ows_dynamicTypeSubheadlineClamped | ||
| result.lineBreakMode = .byTruncatingTail | ||
| return result | ||
| }() | ||
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| // MARK: Initialization | ||
| override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) { | ||
| super.init(style: style, reuseIdentifier: reuseIdentifier) | ||
| setUpViewHierarchy() | ||
| } | ||
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| required init?(coder: NSCoder) { | ||
| super.init(coder: coder) | ||
| setUpViewHierarchy() | ||
| } | ||
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| private func setUpViewHierarchy() { | ||
| // Make the cell transparent | ||
| backgroundColor = .clear | ||
| // Set up the profile picture image view | ||
| profilePictureImageView.set(.width, to: 36) | ||
| profilePictureImageView.set(.height, to: 36) | ||
| // Set up the main stack view | ||
| let stackView = UIStackView(arrangedSubviews: [ profilePictureImageView, displayNameLabel ]) | ||
| stackView.axis = .horizontal | ||
| stackView.alignment = .center | ||
| stackView.spacing = 16 | ||
| stackView.set(.height, to: 44) | ||
| contentView.addSubview(stackView) | ||
| stackView.pin(.leading, to: .leading, of: contentView, withInset: 16) | ||
| stackView.pin(.top, to: .top, of: contentView, withInset: 4) | ||
| contentView.pin(.trailing, to: .trailing, of: stackView, withInset: 16) | ||
| contentView.pin(.bottom, to: .bottom, of: stackView, withInset: 4) | ||
| stackView.set(.width, to: UIScreen.main.bounds.width - 2 * 16) | ||
| // Set up the moderator icon image view | ||
| moderatorIconImageView.set(.width, to: 20) | ||
| moderatorIconImageView.set(.height, to: 20) | ||
| contentView.addSubview(moderatorIconImageView) | ||
| moderatorIconImageView.pin(.trailing, to: .trailing, of: profilePictureImageView) | ||
| moderatorIconImageView.pin(.bottom, to: .bottom, of: profilePictureImageView, withInset: 3.5) | ||
| } | ||
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| // MARK: Updating | ||
| private func update() { | ||
| var displayName: String = "" | ||
| OWSPrimaryStorage.shared().dbReadConnection.read { transaction in | ||
| let collection = "\(LokiGroupChatAPI.publicChatServer).\(LokiGroupChatAPI.publicChatServerID)" | ||
| displayName = transaction.object(forKey: self.user, inCollection: collection) as! String | ||
| } | ||
| displayNameLabel.text = displayName | ||
| let profilePicture = OWSContactAvatarBuilder(signalId: user, colorName: .blue, diameter: 36).build() | ||
| profilePictureImageView.image = profilePicture | ||
| let isUserModerator = LokiGroupChatAPI.isUserModerator(user, for: LokiGroupChatAPI.publicChatServerID, on: LokiGroupChatAPI.publicChatServer) | ||
| moderatorIconImageView.isHidden = !isUserModerator || !hasGroupContext | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
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| @objc(LKUserSelectionViewDelegate) | ||
| protocol UserSelectionViewDelegate { | ||
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| func handleUserSelected(_ user: String, from userSelectionView: UserSelectionView) | ||
| } |
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