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refactored breadcrumbs to use selfsizing cv

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Signed-off-by: Matt Bruce <matt.bruce@verizon.com>
This commit is contained in:
Matt Bruce 2024-03-21 11:17:44 -05:00
parent e9bd1614ec
commit 7a533944b8
1 changed files with 18 additions and 36 deletions
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54
VDS/Components/Breadcrumbs/Breadcrumbs.swift
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@ -19,7 +19,7 @@ open class Breadcrumbs: View {
// MARK: - Public Properties
//--------------------------------------------------
/// Array of ``BreadcrumbItem`` views for the Breadcrumbs.
open var breadcrumbs: [BreadcrumbItem] = []
open var breadcrumbs: [BreadcrumbItem] = [] { didSet { setNeedsUpdate() } }
/// Array of ``BreadcurmbItemModel`` you are wanting to show.
open var breadcrumbModels: [BreadcrumbItemModel] = [] { didSet { updateBreadcrumbItems() } }
@ -47,12 +47,7 @@ open class Breadcrumbs: View {
//--------------------------------------------------
// MARK: - Private Properties
//--------------------------------------------------
// Sizes are from InVision design specs.
internal var containerSize: CGSize { CGSize(width: 45, height: 44) }
internal var heightConstraint: NSLayoutConstraint?
let layout: UICollectionViewFlowLayout = LeftAlignedCollectionViewFlowLayout().with {
let layout: UICollectionViewFlowLayout = BreadcrumbsFlowLayout().with {
$0.estimatedItemSize = UICollectionViewFlowLayout.automaticSize
$0.minimumInteritemSpacing = VDSLayout.Spacing.space1X.value
$0.minimumLineSpacing = VDSLayout.Spacing.space1X.value
@ -61,8 +56,8 @@ open class Breadcrumbs: View {
}
///Collectionview to render Breadcrumb Items
private lazy var collectionView: UICollectionView = {
let collectionView = UICollectionView(frame: .zero, collectionViewLayout: layout)
private lazy var collectionView: SelfSizingCollectionView = {
let collectionView = SelfSizingCollectionView(frame: .zero, collectionViewLayout: layout)
collectionView.isScrollEnabled = false
collectionView.translatesAutoresizingMaskIntoConstraints = false
collectionView.delegate = self
@ -84,37 +79,26 @@ open class Breadcrumbs: View {
breadcrumbItem.removeFromSuperview()
}
breadcrumbs.removeAll()
// Create new breadcrumb items from the models
for model in breadcrumbModels {
breadcrumbs = breadcrumbModels.compactMap({ model in
let breadcrumbItem = BreadcrumbItem()
breadcrumbItem.text = model.text
breadcrumbItem.link = model.link
breadcrumbItem.isSelected = model.isSelected ?? false
breadcrumbs.append(breadcrumbItem)
breadcrumbItem.isEnabled = model.enabled
breadcrumbItem.isSelected = model.selected
breadcrumbItem.onClick = { [weak self] breadcrumb in
guard let self else { return }
guard let self, breadcrumb.isEnabled else { return }
if self.onBreadcrumbShouldSelect?(breadcrumb) ?? true {
model.onClick?(breadcrumb)
self.onBreadcrumbDidSelect?(breadcrumb)
}
}
}
setNeedsUpdate()
return breadcrumbItem
})
}
//------------------------------------------s--------
// MARK: - Overrides
//--------------------------------------------------
/// Called once when a view is initialized and is used to Setup additional UI or other constants and configurations.
open override func setup() {
super.setup()
//create the wrapping view
heightConstraint = self.heightAnchor.constraint(equalToConstant: containerSize.height)
heightConstraint?.priority = .defaultHigh
heightConstraint?.isActive = true
}
/// Executed on initialization for this View.
open override func initialSetup() {
super.initialSetup()
@ -135,17 +119,17 @@ open class Breadcrumbs: View {
open override func updateView() {
super.updateView()
collectionView.reloadData()
heightConstraint?.constant = collectionView.collectionViewLayout.collectionViewContentSize.height
heightConstraint?.isActive = true
}
open override func layoutSubviews() {
super.layoutSubviews()
//Don't call super since we don't want an infinite loop
//super.layoutSubviews()
// Accounts for any collection size changes
DispatchQueue.main.async { [weak self] in
guard let self else { return }
self.collectionView.collectionViewLayout.invalidateLayout()
}
}
}
}
@ -153,17 +137,15 @@ extension Breadcrumbs: UICollectionViewDelegate, UICollectionViewDataSource {
//--------------------------------------------------
// MARK: - UICollectionView Delegate & Datasource
//--------------------------------------------------
public func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { breadcrumbs.count
public func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
breadcrumbs.count
}
public func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
guard let cell = collectionView.dequeueReusableCell(withReuseIdentifier: BreadcrumbCellItem.identifier, for: indexPath) as? BreadcrumbCellItem else { return UICollectionViewCell() }
let hideSlash = (indexPath.row == breadcrumbs.count - 1 || breadcrumbs.count == 1)
let hideSlash = indexPath.row == 0
cell.update(surface: surface, hideSlash: hideSlash, breadCrumbItem: breadcrumbs[indexPath.row])
return cell
}
public func collectionView(_ collectionView: UICollectionView, sizeForItemAtIndexPath indexPath: IndexPath) -> CGSize {
breadcrumbs[indexPath.row].intrinsicContentSize
}
}