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Support RTL? #45

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nuomi1 opened this issue Apr 19, 2024 · 0 comments
Open

Support RTL? #45

nuomi1 opened this issue Apr 19, 2024 · 0 comments

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@nuomi1
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nuomi1 commented Apr 19, 2024

I switched the language to ar and adjusted the card demo, and found that the rtl layout is not supported. Is there any plan to support it?


// CardViewController.swift

private class CardView: UIView {
    let titleLabel: UILabel = {
        let label = UILabel()
        label.font = UIFont.boldSystemFont(ofSize: 22)
        label.backgroundColor = .red
        return label
    }()
    let subtitleLabel: UILabel = {
        let label = UILabel()
        label.font = UIFont.systemFont(ofSize: 16)
        label.backgroundColor = .green
        return label
    }()
    let leadingLabel: UILabel = {
        let label = UILabel()
        label.text = "Leading"
        label.font = UIFont.systemFont(ofSize: 16)
        label.backgroundColor = .gray
        return label
    }()
    let trailingLabel: UILabel = {
        let label = UILabel()
        label.text = "Trailing"
        label.font = UIFont.systemFont(ofSize: 16)
        label.backgroundColor = .orange
        return label
    }()
    var onTap: (() -> Void)?
    var data: CardData? {
        didSet {
            titleLabel.text = data?.title
            subtitleLabel.text = data?.subtitle
        }
    }
    override init(frame: CGRect) {
        super.init(frame: frame)
        backgroundColor = .blue
        layer.cornerRadius = 8
        layer.shadowColor = UIColor.black.cgColor
        layer.shadowRadius = 4
        layer.shadowOpacity = 0.2
        layer.shadowOffset = CGSize(width: 0, height: 2)
        addSubview(titleLabel)
        addSubview(subtitleLabel)
        addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(didTap)))
        addSubview(leadingLabel)
        addSubview(trailingLabel)
        leadingLabel.translatesAutoresizingMaskIntoConstraints = false
        trailingLabel.translatesAutoresizingMaskIntoConstraints = false
        NSLayoutConstraint.activate([
            leadingLabel.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 20),
            leadingLabel.topAnchor.constraint(equalTo: subtitleLabel.bottomAnchor, constant: 8),
            trailingLabel.leadingAnchor.constraint(equalTo: leadingLabel.trailingAnchor, constant: 8),
            trailingLabel.topAnchor.constraint(equalTo: subtitleLabel.bottomAnchor, constant: 8),
        ])
    }
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    @objc func didTap() {
        onTap?()
    }
    override func layoutSubviews() {
        super.layoutSubviews()
        titleLabel.frame = CGRect(x: 20, y: 12, width: bounds.width - 40, height: 30)
        subtitleLabel.frame = CGRect(x: 20, y: 40, width: bounds.width - 40, height: 30)
    }
}

private struct CardComponent: Component {
    let data: CardData
    let onTap: () -> Void
    func layout(_ constraint: Constraint) -> CardRenderNode {
        CardRenderNode(data: data, onTap: onTap, size: CGSize(width: constraint.maxSize.width, height: 80 + 30))
    }
}

CardViewController


// CardViewController3.swift

private struct Card: ComponentBuilder {
    let card: CardData
    let onTap: () -> Void
    func build() -> some Component {
        VStack(spacing: 8) {
            Text(card.title).font(UIFont.boldSystemFont(ofSize: 22))
                .size(width: .fill)
                .backgroundColor(.red)
            Text(card.subtitle)
                .backgroundColor(.green)
            HStack(spacing: 8) {
                Text("Leading")
                    .backgroundColor(.gray)
                Text("Trailing")
                    .backgroundColor(.orange)
            }
        }
        .inset(top: 16, left: 20, bottom: 16, right: 50).size(width: .fill).tappableView(onTap).id(card.id)
        .backgroundColor(.blue)
        .with(\.layer.shadowColor, UIColor.black.cgColor)
        .with(\.layer.shadowRadius, 4)
        .with(\.layer.shadowOffset, CGSize(width: 0, height: 2))
        .with(\.layer.shadowOpacity, 0.2)
        .with(\.layer.cornerRadius, 8)
    }
}

CardViewController3

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