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Update course info header view layout (#1124)
* Add content stack view * Add title view * Fix dispatch hits to correct views
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107 changes: 107 additions & 0 deletions
107
Stepic/Sources/Modules/CourseInfo/Views/CourseInfoHeaderTitleView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| import SnapKit | ||
| import UIKit | ||
|
|
||
| extension CourseInfoHeaderTitleView { | ||
| struct Appearance { | ||
| let coverImageViewSize = CGSize(width: 32, height: 32) | ||
| let coverImageViewCornerRadius: CGFloat = 6 | ||
|
|
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| let titleLabelFont = Typography.subheadlineFont | ||
| let titleLabelColor = UIColor.white | ||
|
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| let spacing: CGFloat = 8 | ||
| } | ||
| } | ||
|
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| final class CourseInfoHeaderTitleView: UIView { | ||
| let appearance: Appearance | ||
|
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| private lazy var coverImageView: CourseCoverImageView = { | ||
| let view = CourseCoverImageView() | ||
| view.clipsToBounds = true | ||
| view.layer.cornerRadius = self.appearance.coverImageViewCornerRadius | ||
| return view | ||
| }() | ||
|
|
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| private lazy var titleLabel: UILabel = { | ||
| let label = UILabel() | ||
| label.font = self.appearance.titleLabelFont | ||
| label.numberOfLines = 2 | ||
| label.lineBreakMode = .byTruncatingTail | ||
| label.textColor = self.appearance.titleLabelColor | ||
| return label | ||
| }() | ||
|
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| private lazy var containerView = UIView() | ||
|
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| var coverImageURL: URL? { | ||
| didSet { | ||
| self.coverImageView.loadImage(url: self.coverImageURL) | ||
| } | ||
| } | ||
|
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| var title: String? { | ||
| didSet { | ||
| self.titleLabel.text = self.title | ||
| self.invalidateIntrinsicContentSize() | ||
| } | ||
| } | ||
|
|
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| override var intrinsicContentSize: CGSize { | ||
| let height = max(self.appearance.coverImageViewSize.height, self.titleLabel.intrinsicContentSize.height) | ||
| return CGSize(width: UIView.noIntrinsicMetric, height: height) | ||
| } | ||
|
|
||
| init( | ||
| frame: CGRect = .zero, | ||
| appearance: Appearance = Appearance() | ||
| ) { | ||
| self.appearance = appearance | ||
| super.init(frame: frame) | ||
|
|
||
| self.setupView() | ||
| self.addSubviews() | ||
| self.makeConstraints() | ||
| } | ||
|
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| @available(*, unavailable) | ||
| required init?(coder aDecoder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
| } | ||
|
|
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| extension CourseInfoHeaderTitleView: ProgrammaticallyInitializableViewProtocol { | ||
| func setupView() {} | ||
|
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| func addSubviews() { | ||
| self.containerView.addSubview(self.coverImageView) | ||
| self.containerView.addSubview(self.titleLabel) | ||
| self.addSubview(self.containerView) | ||
| } | ||
|
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| func makeConstraints() { | ||
| self.containerView.translatesAutoresizingMaskIntoConstraints = false | ||
| self.containerView.snp.makeConstraints { make in | ||
| make.top.bottom.equalToSuperview() | ||
| make.leading.greaterThanOrEqualToSuperview() | ||
| make.trailing.lessThanOrEqualToSuperview() | ||
| make.centerX.equalToSuperview() | ||
| } | ||
|
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| self.coverImageView.translatesAutoresizingMaskIntoConstraints = false | ||
| self.coverImageView.snp.makeConstraints { make in | ||
| make.leading.greaterThanOrEqualToSuperview() | ||
| make.centerY.equalToSuperview() | ||
| make.size.equalTo(self.appearance.coverImageViewSize) | ||
| } | ||
|
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| self.titleLabel.translatesAutoresizingMaskIntoConstraints = false | ||
| self.titleLabel.setContentCompressionResistancePriority(.required, for: .horizontal) | ||
| self.titleLabel.snp.makeConstraints { make in | ||
| make.top.greaterThanOrEqualToSuperview() | ||
| make.leading.equalTo(self.coverImageView.snp.trailing).offset(self.appearance.spacing) | ||
| make.bottom.trailing.lessThanOrEqualToSuperview() | ||
| make.centerY.equalToSuperview() | ||
| } | ||
| } | ||
| } |
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