passepartout-apple/Passepartout-iOS/Scenes/ProviderPoolViewController....

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//
// ProviderPoolViewController.swift
// Passepartout-iOS
//
// Created by Davide De Rosa on 6/12/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
// 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
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import Passepartout_Core
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protocol ProviderPoolViewControllerDelegate: class {
func providerPoolController(_: ProviderPoolViewController, didSelectPool pool: Pool)
}
class ProviderPoolViewController: UIViewController {
@IBOutlet private weak var tableView: UITableView!
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private var poolsByGroup: [PoolGroup: [Pool]] = [:]
private var sortedGroups: [PoolGroup] = []
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private var currentPool: Pool?
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weak var delegate: ProviderPoolViewControllerDelegate?
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func setPools(_ pools: [Pool], currentPoolId: String?) {
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for p in pools {
let group = p.group()
if var existingPools = poolsByGroup[group] {
existingPools.append(p)
poolsByGroup[group] = existingPools
} else {
poolsByGroup[group] = [p]
}
if p.id == currentPoolId {
currentPool = p
}
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}
sortedGroups = poolsByGroup.keys.sorted()
}
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// MARK: UIViewController
override func awakeFromNib() {
super.awakeFromNib()
applyDetailTitle(Theme.current)
}
override func viewDidLoad() {
super.viewDidLoad()
title = L10n.Service.Cells.Provider.Pool.caption
tableView.reloadData()
if let ip = selectedIndexPath {
tableView.selectRowAsync(at: ip)
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}
}
}
// MARK: -
extension ProviderPoolViewController: UITableViewDataSource, UITableViewDelegate {
private var selectedIndexPath: IndexPath? {
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for entries in poolsByGroup.enumerated() {
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guard let _ = entries.element.value.index(where: { $0.id == currentPool?.id }) else {
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continue
}
guard let row = sortedGroups.index(of: entries.element.key) else {
continue
}
return IndexPath(row: row, section: 0)
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}
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return nil
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}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return sortedGroups.count
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}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let group = sortedGroups[indexPath.row]
let groupPools = poolsByGroup[group]!
guard let pool = groupPools.first else {
fatalError("Empty pools in group \(group)")
}
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let cell = Cells.setting.dequeue(from: tableView, for: indexPath)
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cell.imageView?.image = pool.logo
cell.leftText = pool.localizedName
if groupPools.count > 1 {
cell.rightText = pool.area?.uppercased()
cell.accessoryType = .detailDisclosureButton // no checkmark!
} else {
cell.rightText = pool.areaId?.uppercased()
cell.applyChecked(pool.id == currentPool?.id, Theme.current)
}
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cell.isTappable = true
return cell
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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let group = sortedGroups[indexPath.row]
let groupPools = poolsByGroup[group]!
guard let pool = groupPools.first else {
fatalError("Empty pools in group \(group)")
}
currentPool = pool
delegate?.providerPoolController(self, didSelectPool: pool)
}
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func tableView(_ tableView: UITableView, accessoryButtonTappedForRowWith indexPath: IndexPath) {
let group = sortedGroups[indexPath.row]
let groupPools = poolsByGroup[group]!
guard let pool = groupPools.first else {
fatalError("Empty pools in group \(group)")
}
guard groupPools.count > 1 else {
return
}
let vc = OptionViewController<Pool>()
vc.title = pool.localizedCountry
vc.options = groupPools
vc.selectedOption = currentPool
vc.descriptionBlock = { $0.areaId ?? "" } // XXX: fail gracefully
vc.selectionBlock = {
self.currentPool = $0
self.delegate?.providerPoolController(self, didSelectPool: $0)
}
navigationController?.pushViewController(vc, animated: true)
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}
}