Skip to content

Instantly share code, notes, and snippets.

Embed
What would you like to do?
import UIKit
struct DataModel {
var bgColor: UIColor
//Add your text or image properties
init(bgColor: UIColor) {
self.bgColor = bgColor
}
}
class StackContainerView: UIView, SwipeCardsDelegate {
//MARK: - Properties
var numberOfCardsToShow: Int = 0
var cardsToBeVisible: Int = 3
var cardViews : [TinderCardView] = []
var remainingcards: Int = 0
let horizontalInset: CGFloat = 10.0
let verticalInset: CGFloat = 10.0
var visibleCards: [TinderCardView] {
return subviews as? [TinderCardView] ?? []
}
var dataSource: SwipeCardsDataSource? {
didSet {
reloadData()
}
}
//MARK: - Init
override init(frame: CGRect) {
super.init(frame: .zero)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func reloadData() {
removeAllCardViews()
guard let datasource = dataSource else { return }
setNeedsLayout()
layoutIfNeeded()
numberOfCardsToShow = datasource.numberOfCardsToShow()
remainingcards = numberOfCardsToShow
for i in 0..<min(numberOfCardsToShow,cardsToBeVisible) {
addCardView(cardView: datasource.card(at: i), atIndex: i )
}
}
//MARK: - Configurations
private func addCardView(cardView: TinderCardView, atIndex index: Int) {
cardView.delegate = self
addCardFrame(index: index, cardView: cardView)
cardViews.append(cardView)
insertSubview(cardView, at: 0)
remainingcards -= 1
}
func addCardFrame(index: Int, cardView: TinderCardView) {
var cardViewFrame = bounds
let horizontalInset = (CGFloat(index) * self.horizontalInset)
let verticalInset = CGFloat(index) * self.verticalInset
cardViewFrame.size.width -= 2 * horizontalInset
cardViewFrame.origin.x += horizontalInset
cardViewFrame.origin.y += verticalInset
cardView.frame = cardViewFrame
}
private func removeAllCardViews() {
for cardView in visibleCards {
cardView.removeFromSuperview()
}
cardViews = []
}
func swipeDidEnd(on view: TinderCardView) {
guard let datasource = dataSource else { return }
view.removeFromSuperview()
if remainingcards > 0 {
let newIndex = datasource.numberOfCardsToShow() - remainingcards
addCardView(cardView: datasource.card(at: newIndex), atIndex: 2)
for (cardIndex, cardView) in visibleCards.reversed().enumerated() {
UIView.animate(withDuration: 0.2, animations: {
cardView.center = self.center
self.addCardFrame(index: cardIndex, cardView: cardView)
self.layoutIfNeeded()
})
}
}else {
for (cardIndex, cardView) in visibleCards.reversed().enumerated() {
UIView.animate(withDuration: 0.2, animations: {
cardView.center = self.center
self.addCardFrame(index: cardIndex, cardView: cardView)
self.layoutIfNeeded()
})
}
}
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment