100 lines
3.3 KiB
Swift
100 lines
3.3 KiB
Swift
//
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// BreadcrumbCellItem.swift
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// VDS
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//
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// Created by Kanamarlapudi, Vasavi on 11/03/24.
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//
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import UIKit
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import VDSColorTokens
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///This is customised view for Breadcrumb cell item
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final class BreadcrumbCellItem: UICollectionViewCell {
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///Identifier for the BreadcrumbCellItem
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static let identifier: String = String(describing: BreadcrumbCellItem.self)
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//--------------------------------------------------
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// MARK: - Private Properties
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//--------------------------------------------------
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internal var stackView: UIStackView = {
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return UIStackView().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.axis = .horizontal
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$0.distribution = .fill
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$0.alignment = .fill
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$0.spacing = VDSLayout.Spacing.space1X.value
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}
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}()
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internal var breadCrumbItem: BreadcrumbItem?
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///separator label
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private var separator: Label = Label().with {
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$0.translatesAutoresizingMaskIntoConstraints = false
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$0.textAlignment = .left
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$0.numberOfLines = 1
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$0.setContentCompressionResistancePriority(.defaultHigh, for: .horizontal)
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$0.setContentHuggingPriority(.defaultHigh, for: .horizontal)
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$0.text = "/"
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}
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private let textColorConfiguration = SurfaceColorConfiguration(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark)
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//--------------------------------------------------
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// MARK: - Initializers
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//--------------------------------------------------
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override init(frame: CGRect) {
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super.init(frame: frame)
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setUp()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setUp()
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}
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///Configuring the cell with default setup
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private func setUp() {
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separator.textColorConfiguration = textColorConfiguration.eraseToAnyColorable()
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contentView.addSubview(stackView)
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stackView.pinToSuperView()
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separator.backgroundColor = .clear
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}
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///Updating the breadCrumbItem and UI based on the selected flag along with the surface
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func update(surface: Surface, hideSlash: Bool, breadCrumbItem: BreadcrumbItem) {
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separator.surface = surface
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breadCrumbItem.surface = surface
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stackView.addArrangedSubview(separator)
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stackView.addArrangedSubview(breadCrumbItem)
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stackView.setCustomSpacing(VDSLayout.Spacing.space1X.value, after: separator)
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separator.textColor = textColorConfiguration.getColor(surface)
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separator.isHidden = hideSlash
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self.breadCrumbItem = breadCrumbItem
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layoutIfNeeded()
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}
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}
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class LeftAlignedCollectionViewFlowLayout: UICollectionViewFlowLayout {
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override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
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let attributes = super.layoutAttributesForElements(in: rect)
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var leftMargin = sectionInset.left
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var maxY: CGFloat = -1.0
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attributes?.forEach { layoutAttribute in
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if layoutAttribute.frame.origin.y >= maxY {
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leftMargin = sectionInset.left
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}
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layoutAttribute.frame.origin.x = leftMargin
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leftMargin += layoutAttribute.frame.width + minimumInteritemSpacing
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maxY = max(layoutAttribute.frame.maxY , maxY)
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}
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return attributes
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}
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}
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