passepartout-apple/Passepartout-iOS/Global/OptionViewController.swift
2018-10-15 00:11:46 +02:00

76 lines
2.7 KiB
Swift

//
// OptionViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 9/5/18.
// Copyright (c) 2018 Davide De Rosa. All rights reserved.
//
// https://github.com/keeshux
//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import UIKit
protocol OptionViewControllerDelegate: class {
func optionController<T: Hashable>(_: OptionViewController<T>, descriptionFor option: T) -> String
func optionController<T: Hashable>(_: OptionViewController<T>, didSelect option: T)
}
class OptionViewController<T: Hashable>: UIViewController, UITableViewDataSource, UITableViewDelegate {
private lazy var tableView = UITableView(frame: .zero, style: .grouped)
var options: [T] = []
var selectedOption: T?
var descriptionBlock: ((T) -> String)?
var selectionBlock: ((T) -> Void)?
weak var delegate: OptionViewControllerDelegate?
override func viewDidLoad() {
super.viewDidLoad()
tableView.register(SettingTableViewCell.self, forCellReuseIdentifier: SettingTableViewCell.Provider.identifier)
tableView.frame = view.bounds
tableView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
view.addSubview(tableView)
tableView.dataSource = self
tableView.delegate = self
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return options.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let opt = options[indexPath.row]
let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
cell.leftText = descriptionBlock?(opt) ?? delegate?.optionController(self, descriptionFor: opt)
cell.applyChecked(opt == selectedOption, Theme.current)
return cell
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let opt = options[indexPath.row]
selectionBlock?(opt) ?? delegate?.optionController(self, didSelect: opt)
}
}