FSPagerView/FSPageViewExample-Swift/FSPagerViewExample/TransformerExampleViewContr...

113 lines
4.6 KiB
Swift

//
// TransformerExampleViewController.swift
// FSPagerViewExample
//
// Created by Wenchao Ding on 09/01/2017.
// Copyright © 2017 Wenchao Ding. All rights reserved.
//
import UIKit
class TransformerExampleViewController: UIViewController,FSPagerViewDataSource,FSPagerViewDelegate, UITableViewDataSource,UITableViewDelegate {
fileprivate let imageNames = ["1.jpg","2.jpg","3.jpg","4.jpg","5.jpg","6.jpg","7.jpg"]
fileprivate let transformerNames = ["cross fading", "zoom out", "depth", "linear", "overlap", "ferris wheel", "inverted ferris wheel", "coverflow", "cubic"]
fileprivate let transformerTypes: [FSPagerViewTransformerType] = [.crossFading,
.zoomOut,
.depth,
.linear,
.overlap,
.ferrisWheel,
.invertedFerrisWheel,
.coverFlow,
.cubic]
fileprivate var typeIndex = 0 {
didSet {
let type = self.transformerTypes[typeIndex]
self.pagerView.transformer = FSPagerViewTransformer(type:type)
switch type {
case .crossFading, .zoomOut, .depth:
self.pagerView.itemSize = .zero // 'Zero' means fill the size of parent
case .linear, .overlap:
let transform = CGAffineTransform(scaleX: 0.6, y: 0.75)
self.pagerView.itemSize = self.pagerView.frame.size.applying(transform)
case .ferrisWheel, .invertedFerrisWheel:
self.pagerView.itemSize = CGSize(width: 180, height: 140)
case .coverFlow:
self.pagerView.itemSize = CGSize(width: 220, height: 170)
case .cubic:
let transform = CGAffineTransform(scaleX: 0.9, y: 0.9)
self.pagerView.itemSize = self.pagerView.frame.size.applying(transform)
}
}
}
@IBOutlet weak var tableView: UITableView!
@IBOutlet weak var pagerView: FSPagerView! {
didSet {
self.pagerView.register(FSPagerViewCell.self, forCellWithReuseIdentifier: "cell")
self.typeIndex = 0
}
}
override func viewDidLayoutSubviews() {
super.viewDidLayoutSubviews()
let index = self.typeIndex
self.typeIndex = index // Manually trigger didSet
}
// MARK:- UITableViewDataSource
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
@available(iOS 2.0, *)
public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return self.transformerNames.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "cell")!
cell.textLabel?.text = self.transformerNames[indexPath.row]
cell.accessoryType = indexPath.row == self.typeIndex ? .checkmark : .none
return cell
}
// MARK:- UITableViewDelegate
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
self.typeIndex = indexPath.row
if let visibleRows = tableView.indexPathsForVisibleRows {
tableView.reloadRows(at: visibleRows, with: .automatic)
}
}
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
return "Transformers"
}
// MARK:- FSPagerViewDataSource
public func numberOfItems(in pagerView: FSPagerView) -> Int {
return imageNames.count
}
public func pagerView(_ pagerView: FSPagerView, cellForItemAt index: Int) -> FSPagerViewCell {
let cell = pagerView.dequeueReusableCell(withReuseIdentifier: "cell", at: index)
cell.imageView?.image = UIImage(named: self.imageNames[index])
cell.imageView?.contentMode = .scaleAspectFill
cell.imageView?.clipsToBounds = true
return cell
}
func pagerView(_ pagerView: FSPagerView, didSelectItemAt index: Int) {
pagerView.deselectItem(at: index, animated: true)
pagerView.scrollToItem(at: index, animated: true)
}
}