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2017-03-30 16:16:12 +03:00

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//
// ViewController.swift
// GlidingCollectionDemo
//
// Created by Abdurahim Jauzee on 04/03/2017.
// Copyright © 2017 Ramotion Inc. All rights reserved.
//
import UIKit
import GlidingCollection
class ViewController: UIViewController {
@IBOutlet var glidingView: GlidingCollection!
fileprivate var collectionView: UICollectionView!
fileprivate var items = ["gloves", "boots", "bindings", "hoodie"]
fileprivate var images: [[UIImage?]] = []
override func viewDidLoad() {
super.viewDidLoad()
setup()
}
}
// MARK: - Setup
extension ViewController {
func setup() {
setupGlidingCollectionView()
loadImages()
}
private func setupGlidingCollectionView() {
var config = GlidingConfig.shared
config.buttonsFont = UIFont.boldSystemFont(ofSize: 22)
config.inactiveButtonsColor = config.activeButtonColor
GlidingConfig.shared = config
glidingView.dataSource = self
let nib = UINib(nibName: "CollectionCell", bundle: nil)
collectionView = glidingView.collectionView
collectionView.register(nib, forCellWithReuseIdentifier: "Cell")
collectionView.delegate = self
collectionView.dataSource = self
collectionView.backgroundColor = glidingView.backgroundColor
}
private func loadImages() {
for item in items {
let imageURLs = FileManager.default.fileUrls(for: "jpeg", fileName: item)
var images: [UIImage?] = []
for url in imageURLs {
guard let data = try? Data(contentsOf: url) else { continue }
let image = UIImage(data: data)
images.append(image)
}
self.images.append(images)
}
}
}
// MARK: - CollectionView 🎛
extension ViewController: UICollectionViewDataSource, UICollectionViewDelegate {
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
let section = glidingView.expandedItemIndex
return images[section].count
}
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
guard let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath) as? CollectionCell else { return UICollectionViewCell() }
let section = glidingView.expandedItemIndex
let image = images[section][indexPath.row]
cell.imageView.image = image
cell.contentView.clipsToBounds = true
let layer = cell.layer
let config = GlidingConfig.shared
layer.shadowOffset = config.cardShadowOffset
layer.shadowColor = config.cardShadowColor.cgColor
layer.shadowOpacity = config.cardShadowOpacity
layer.shadowRadius = config.cardShadowRadius
layer.shouldRasterize = true
layer.rasterizationScale = UIScreen.main.scale
return cell
}
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
let section = glidingView.expandedItemIndex
let item = indexPath.item
print("Selected item #\(item) in section #\(section)")
}
}
// MARK: - Gliding Collection 🎢
extension ViewController: GlidingCollectionDatasource {
func numberOfItems(in collection: GlidingCollection) -> Int {
return items.count
}
func glidingCollection(_ collection: GlidingCollection, itemAtIndex index: Int) -> String {
return "– " + items[index]
}
}