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Infinite Scrolling Setup
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// | |
// ViewController.swift | |
// Example | |
// | |
// Created by John DeLong on 5/11/16. | |
// Copyright © 2016 delong. All rights reserved. | |
// | |
import UIKit | |
extension Date { | |
func dateFromDays(_ days: Int) -> Date { | |
return (Calendar.current as NSCalendar).date(byAdding: .day, value: days, to: self, options: [])! | |
} | |
} | |
class ViewController: UIViewController { | |
@IBOutlet weak var tableView: UITableView! | |
let cellHeight: CGFloat = 44 | |
let dateFormatter = DateFormatter() | |
lazy var days: [Date] = { | |
let beginDate = Date().dateFromDays(-29) | |
let endDate = Date().dateFromDays(30) | |
return self.generateDays(beginDate, endDate: endDate) | |
}() | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
self.tableView.delegate = self | |
self.tableView.dataSource = self | |
self.dateFormatter.dateFormat = "MM-dd-yyyy" | |
} | |
func generateDays(_ beginDate: Date, endDate: Date) -> [Date] { | |
var dates: [Date] = [] | |
var date = beginDate | |
while date.compare(endDate) != .orderedDescending { | |
dates.append(date) | |
date = date.dateFromDays(1) | |
} | |
return dates | |
} | |
} | |
extension ViewController: UITableViewDataSource { | |
func numberOfSections(in tableView: UITableView) -> Int { | |
return 1 | |
} | |
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { | |
return self.days.count | |
} | |
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { | |
let cell = UITableViewCell() | |
cell.textLabel!.text = self.dateFormatter.string(from: self.days[(indexPath as NSIndexPath).row]) | |
return cell | |
} | |
} | |
extension ViewController: UITableViewDelegate { | |
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat { | |
return self.cellHeight; | |
} | |
func scrollViewDidScroll(_ scrollView: UIScrollView) { | |
// TODO: Add infinite scrolling functionality | |
} | |
} |
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