//
// CardCollectionViewCell.swift
// MatchApp2
//
// Created by Nina Klee on 24.11.20.
//
import UIKit
class CardCollectionViewCell: UICollectionViewCell {
@IBOutlet weak var frontImageView: UIImageView!
@IBOutlet weak var backImageView: UIImageView!
var card:Card?
func configureCell(card:Card) {
// Keep track of the card this cell represents
self.card = card
// Set the front image view to the view that represents the card
frontImageView.image = UIImage(named: card.imageName)
// Reset the state of the cell by checking the flipped status of the card and then showing the front or the back imageView accordingly
if card.isMatched == true {
backImageView.alpha = 0
frontImageView.alpha = 0
return
}
else {
backImageView.alpha = 1
frontImageView.alpha = 1
}
if card.isFlipped == true {
// Show the front image view
flipUp(speed: 0)
}
else {
// Show the back image view
flipDown(speed: 0, delay: 0)
}
}
func flipUp(speed:TimeInterval = 0.3) {
// Flip up animation
UIView.transition(from: backImageView, to: frontImageView, duration: speed, options: [.showHideTransitionViews, .transitionFlipFromLeft] , completion: nil)
// Set the status of the card
card?.isFlipped = true
}
func flipDown(speed:TimeInterval = 0.3, delay:TimeInterval = 0.5) {
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + delay) {
// Flip down animation
UIView.transition(from: self.frontImageView, to: self.backImageView, duration: speed, options: [.showHideTransitionViews, .transitionFlipFromLeft] , completion: nil)
}
// Set the status of the card
card?.isFlipped = false
}
func remove() {
// Make the image views invisible
backImageView.alpha = 0
// TODO: Does NOT function properly - ...card stays open
UIView.animate(withDuration: 0.3, delay: 0.5, options: .curveEaseOut, animations: {
self.frontImageView.alpha = 0}, completion: nil)
}
}
)
