element-ios/Riot/Modules/CreateRoom/EnterNewRoomDetails/EnterNewRoomDetailsViewCont...

670 lines
26 KiB
Swift

// File created from ScreenTemplate
// $ createScreen.sh CreateRoom/EnterNewRoomDetails EnterNewRoomDetails
/*
Copyright 2020 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import UIKit
import CommonKit
final class EnterNewRoomDetailsViewController: UIViewController {
// MARK: - Constants
private enum Constants {
static let defaultStyleCellReuseIdentifier = "default"
static let roomNameTextFieldTag: Int = 100
static let roomTopicTextViewTag: Int = 101
static let roomAddressTextFieldTag: Int = 102
static let roomNameMinimumNumberOfChars = 3
static let roomNameMaximumNumberOfChars = 50
static let roomAddressMaximumNumberOfChars = 50
static let roomTopicMaximumNumberOfChars = 250
static let chooseAvatarTableViewCellHeight: CGFloat = 140
static let textViewTableViewCellHeight: CGFloat = 150
}
// MARK: - Properties
// MARK: Outlets
@IBOutlet private weak var mainTableView: UITableView!
// MARK: Private
private var viewModel: EnterNewRoomDetailsViewModelType!
private var theme: Theme!
private var keyboardAvoider: KeyboardAvoider?
private var errorPresenter: MXKErrorPresentation!
private var userIndicatorPresenter: UserIndicatorTypePresenterProtocol!
private var loadingIndicator: UserIndicator?
private lazy var createBarButtonItem: MXKBarButtonItem = {
let title: String
switch viewModel.actionType {
case .createAndAddToSpace:
title = VectorL10n.add
case .createOnly:
title = VectorL10n.create
}
let item = MXKBarButtonItem(title: title, style: .plain) { [weak self] in
self?.createButtonAction()
}!
item.isEnabled = false
return item
}()
private var screenTracker = AnalyticsScreenTracker(screen: .createRoom)
private enum RowType {
case `default`
case avatar(image: UIImage?)
case textField(tag: Int, placeholder: String?, delegate: UITextFieldDelegate?)
case textView(tag: Int, placeholder: String?, delegate: UITextViewDelegate?)
case withSwitch(isOn: Bool, onValueChanged: ((UISwitch) -> Void)?)
}
private struct Row {
var type: RowType
var text: String?
var accessoryType: UITableViewCell.AccessoryType = .none
var action: (() -> Void)?
}
private struct Section {
var header: String?
var rows: [Row]
var footer: String?
}
private var sections: [Section] = [] {
didSet {
mainTableView.reloadData()
}
}
private func updateSections() {
let row_0_0 = Row(type: .avatar(image: viewModel.roomCreationParameters.avatarImage), text: nil, accessoryType: .none) {
// open image picker
}
let section0 = Section(header: nil,
rows: [row_0_0],
footer: nil)
let row_1_0 = Row(type: .textField(tag: Constants.roomNameTextFieldTag, placeholder: VectorL10n.createRoomPlaceholderName, delegate: self), text: viewModel.roomCreationParameters.name, accessoryType: .none) {
}
let section1 = Section(header: VectorL10n.createRoomSectionHeaderName,
rows: [row_1_0],
footer: nil)
let row_2_0 = Row(type: .textView(tag: Constants.roomTopicTextViewTag, placeholder: VectorL10n.createRoomPlaceholderTopic, delegate: self), text: viewModel.roomCreationParameters.topic, accessoryType: .none) {
}
let section2 = Section(header: VectorL10n.createRoomSectionHeaderTopic,
rows: [row_2_0],
footer: nil)
var section3: Section?
if RiotSettings.shared.roomCreationScreenAllowEncryptionConfiguration {
let row_3_0 = Row(type: .withSwitch(isOn: viewModel.roomCreationParameters.isEncrypted, onValueChanged: { [weak self] (theSwitch) in
self?.viewModel.roomCreationParameters.isEncrypted = theSwitch.isOn
}), text: VectorL10n.createRoomEnableEncryption, accessoryType: .none) {
// no-op
}
section3 = Section(header: VectorL10n.createRoomSectionHeaderEncryption,
rows: [row_3_0],
footer: VectorL10n.createRoomSectionFooterEncryption)
}
var section4: Section?
if RiotSettings.shared.roomCreationScreenAllowRoomTypeConfiguration {
let row_4_0 = Row(type: .default, text: VectorL10n.createRoomTypePrivate, accessoryType: viewModel.roomCreationParameters.joinRule == .private ? .checkmark : .none) { [weak self] in
guard let self = self else {
return
}
self.viewModel.roomCreationParameters.joinRule = .private
self.updateSections()
}
let row_4_1 = Row(type: .default, text: VectorL10n.createRoomTypeRestricted, accessoryType: viewModel.roomCreationParameters.joinRule == .restricted ? .checkmark : .none) { [weak self] in
guard let self = self else {
return
}
self.viewModel.roomCreationParameters.joinRule = .restricted
self.updateSections()
// scroll bottom to show user new fields
DispatchQueue.main.async {
self.mainTableView.vc_scrollToBottom()
}
}
let row_4_2 = Row(type: .default, text: VectorL10n.createRoomTypePublic, accessoryType: viewModel.roomCreationParameters.joinRule == .public ? .checkmark : .none) { [weak self] in
guard let self = self else {
return
}
self.viewModel.roomCreationParameters.joinRule = .public
self.updateSections()
// scroll bottom to show user new fields
DispatchQueue.main.async {
self.mainTableView.vc_scrollToBottom()
}
}
let rows: [Row]
switch viewModel.actionType {
case .createAndAddToSpace:
rows = [row_4_0, row_4_1, row_4_2]
case .createOnly:
rows = [row_4_0, row_4_2]
}
let footer: String
switch viewModel.roomCreationParameters.joinRule {
case .private:
footer = VectorL10n.createRoomSectionFooterTypePrivate
case .restricted:
footer = VectorL10n.createRoomSectionFooterTypeRestricted
default:
footer = VectorL10n.createRoomSectionFooterTypePublic
}
section4 = Section(header: VectorL10n.createRoomSectionHeaderType,
rows: rows,
footer: footer)
}
var tmpSections: [Section] = [
section0,
section1,
section2
]
if let section3 = section3 {
tmpSections.append(section3)
}
if let section4 = section4 {
tmpSections.append(section4)
}
if viewModel.roomCreationParameters.joinRule == .public {
let row_5_0 = Row(type: .withSwitch(isOn: viewModel.roomCreationParameters.showInDirectory, onValueChanged: { [weak self] (theSwitch) in
self?.viewModel.roomCreationParameters.showInDirectory = theSwitch.isOn
}), text: VectorL10n.createRoomShowInDirectory, accessoryType: .none) {
// no-op
}
let rows: [Row]
if viewModel.actionType == .createAndAddToSpace {
let row_5_1 = Row(type: .withSwitch(isOn: viewModel.roomCreationParameters.isRoomSuggested, onValueChanged: { [weak self] (theSwitch) in
self?.viewModel.roomCreationParameters.isRoomSuggested = theSwitch.isOn
}), text: VectorL10n.createRoomSuggestRoom, accessoryType: .none) {
// no-op
}
rows = [row_5_0, row_5_1]
} else {
rows = [row_5_0]
}
let section5 = Section(header: VectorL10n.createRoomPromotionHeader,
rows: rows,
footer: VectorL10n.createRoomShowInDirectoryFooter)
let row_6_0 = Row(type: .textField(tag: Constants.roomAddressTextFieldTag, placeholder: VectorL10n.createRoomPlaceholderAddress, delegate: self), text: viewModel.roomCreationParameters.address, accessoryType: .none) {
}
let section6 = Section(header: VectorL10n.createRoomSectionHeaderAddress,
rows: [row_6_0],
footer: nil)
tmpSections.append(contentsOf: [section5, section6])
}
if viewModel.roomCreationParameters.joinRule == .restricted {
let row_5_0 = Row(type: .withSwitch(isOn: viewModel.roomCreationParameters.isRoomSuggested, onValueChanged: { [weak self] (theSwitch) in
self?.viewModel.roomCreationParameters.isRoomSuggested = theSwitch.isOn
}), text: VectorL10n.createRoomSuggestRoom, accessoryType: .none) {
// no-op
}
let section5 = Section(header: VectorL10n.createRoomPromotionHeader,
rows: [row_5_0],
footer: VectorL10n.createRoomSuggestRoomFooter)
tmpSections.append(section5)
}
sections = tmpSections
}
// MARK: - Setup
class func instantiate(with viewModel: EnterNewRoomDetailsViewModelType) -> EnterNewRoomDetailsViewController {
let viewController = StoryboardScene.EnterNewRoomDetailsViewController.initialScene.instantiate()
viewController.viewModel = viewModel
viewController.theme = ThemeService.shared().theme
return viewController
}
// MARK: - Life cycle
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
self.setupViews()
self.keyboardAvoider = KeyboardAvoider(scrollViewContainerView: self.view, scrollView: self.mainTableView)
self.userIndicatorPresenter = UserIndicatorTypePresenter(presentingViewController: self)
self.errorPresenter = MXKErrorAlertPresentation()
self.registerThemeServiceDidChangeThemeNotification()
self.update(theme: self.theme)
self.viewModel.viewDelegate = self
self.viewModel.process(viewAction: .loadData)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
self.keyboardAvoider?.startAvoiding()
screenTracker.trackScreen()
}
override func viewDidDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
self.keyboardAvoider?.stopAvoiding()
}
override var preferredStatusBarStyle: UIStatusBarStyle {
return self.theme.statusBarStyle
}
// MARK: - Private
private func update(theme: Theme) {
self.theme = theme
self.view.backgroundColor = theme.headerBackgroundColor
self.mainTableView.backgroundColor = theme.headerBackgroundColor
if let navigationBar = self.navigationController?.navigationBar {
theme.applyStyle(onNavigationBar: navigationBar)
}
mainTableView.reloadData()
}
private func registerThemeServiceDidChangeThemeNotification() {
NotificationCenter.default.addObserver(self, selector: #selector(themeDidChange), name: .themeServiceDidChangeTheme, object: nil)
}
@objc private func themeDidChange() {
self.update(theme: ThemeService.shared().theme)
}
private func setupViews() {
let cancelBarButtonItem = MXKBarButtonItem(title: VectorL10n.cancel, style: .plain) { [weak self] in
self?.cancelButtonAction()
}
self.navigationItem.leftBarButtonItem = cancelBarButtonItem
self.navigationItem.rightBarButtonItem = createBarButtonItem
self.title = VectorL10n.createRoomTitle
mainTableView.keyboardDismissMode = .interactive
mainTableView.register(cellType: ChooseAvatarTableViewCell.self)
mainTableView.register(cellType: MXKTableViewCellWithLabelAndSwitch.self)
mainTableView.register(cellType: MXKTableViewCellWithTextView.self)
mainTableView.register(cellType: TextFieldTableViewCell.self)
mainTableView.register(cellType: TextViewTableViewCell.self)
mainTableView.register(headerFooterViewType: TextViewTableViewHeaderFooterView.self)
mainTableView.sectionHeaderHeight = UITableView.automaticDimension
mainTableView.estimatedSectionHeaderHeight = 50
mainTableView.sectionFooterHeight = UITableView.automaticDimension
mainTableView.estimatedSectionFooterHeight = 50
}
private func render(viewState: EnterNewRoomDetailsViewState) {
switch viewState {
case .loading:
renderLoading()
case .loaded:
updateSections()
case .error(let error):
render(error: error)
}
updateCreateButtonState()
}
private func renderLoading() {
loadingIndicator = userIndicatorPresenter.present(.loading(label: VectorL10n.createRoomProcessing, isInteractionBlocking: true))
}
private func render(error: Error) {
loadingIndicator = nil
self.errorPresenter.presentError(from: self, forError: error, animated: true, handler: nil)
}
// MARK: - Actions
private func cancelButtonAction() {
self.viewModel.process(viewAction: .cancel)
}
private func createButtonAction() {
self.viewModel.process(viewAction: .create)
}
private func updateCreateButtonState() {
switch viewModel.viewState {
case .loading:
createBarButtonItem.isEnabled = false
default:
createBarButtonItem.isEnabled = (viewModel.roomCreationParameters.name?.count ?? 0 > Constants.roomNameMinimumNumberOfChars)
}
}
}
// MARK: - UITableViewDataSource
extension EnterNewRoomDetailsViewController: UITableViewDataSource {
func numberOfSections(in tableView: UITableView) -> Int {
return sections.count
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return sections[section].rows.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let row = sections[indexPath.section].rows[indexPath.row]
switch row.type {
case .default:
var cell: UITableViewCell! = tableView.dequeueReusableCell(withIdentifier: Constants.defaultStyleCellReuseIdentifier)
if cell == nil {
cell = UITableViewCell(style: .default, reuseIdentifier: Constants.defaultStyleCellReuseIdentifier)
}
cell.textLabel?.font = .systemFont(ofSize: 17)
cell.detailTextLabel?.font = .systemFont(ofSize: 16)
cell.textLabel?.text = row.text
if row.accessoryType == .checkmark {
cell.accessoryView = UIImageView(image: Asset.Images.checkmark.image)
} else {
cell.accessoryView = nil
cell.accessoryType = row.accessoryType
}
cell.textLabel?.textColor = theme.textPrimaryColor
cell.detailTextLabel?.textColor = theme.textSecondaryColor
cell.backgroundColor = theme.backgroundColor
cell.contentView.backgroundColor = .clear
cell.tintColor = theme.tintColor
return cell
case .avatar(let image):
let cell: ChooseAvatarTableViewCell = tableView.dequeueReusableCell(for: indexPath)
cell.configure(withViewModel: ChooseAvatarTableViewCellVM(avatarImage: image))
cell.delegate = self
cell.update(theme: theme)
return cell
case .textField(let tag, let placeholder, let delegate):
let cell: TextFieldTableViewCell = tableView.dequeueReusableCell(for: indexPath)
cell.textField.font = .systemFont(ofSize: 17)
cell.textField.insets = UIEdgeInsets(top: 8, left: 16, bottom: 8, right: 16)
cell.textField.autocapitalizationType = .words
cell.textField.tag = tag
cell.textField.placeholder = placeholder
cell.textField.text = row.text
cell.textField.delegate = delegate
switch tag {
case Constants.roomAddressTextFieldTag:
cell.textField.autocapitalizationType = .none
default: break
}
cell.update(theme: theme)
return cell
case .textView(let tag, let placeholder, let delegate):
let cell: TextViewTableViewCell = tableView.dequeueReusableCell(for: indexPath)
cell.textView.tag = tag
cell.textView.textContainer.lineFragmentPadding = 0
cell.textView.contentInset = .zero
cell.textView.textContainerInset = UIEdgeInsets(top: 8, left: 16, bottom: 8, right: 16)
cell.textView.placeholder = placeholder
cell.textView.font = .systemFont(ofSize: 17)
cell.textView.text = row.text
cell.textView.isEditable = true
cell.textView.isScrollEnabled = false
cell.textView.delegate = delegate
cell.textView.backgroundColor = .clear
cell.update(theme: theme)
return cell
case .withSwitch(let isOn, let onValueChanged):
let cell: MXKTableViewCellWithLabelAndSwitch = tableView.dequeueReusableCell(for: indexPath)
cell.mxkLabel.font = .systemFont(ofSize: 17)
cell.mxkLabel.text = row.text
cell.mxkSwitch.isOn = isOn
cell.mxkSwitch.removeTarget(nil, action: nil, for: .valueChanged)
cell.mxkSwitch.vc_addAction(for: .valueChanged) { [weak cell] in
guard let cell = cell else {
return
}
onValueChanged?(cell.mxkSwitch)
}
cell.mxkLabelLeadingConstraint.constant = tableView.vc_separatorInset.left
cell.mxkSwitchTrailingConstraint.constant = 15
cell.update(theme: theme)
return cell
}
}
}
// MARK: - UITableViewDelegate
extension EnterNewRoomDetailsViewController: UITableViewDelegate {
func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
cell.backgroundColor = theme.backgroundColor
cell.selectedBackgroundView = UIView()
cell.selectedBackgroundView?.backgroundColor = theme.selectedBackgroundColor
}
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
return sections[section].header
}
func tableView(_ tableView: UITableView, titleForFooterInSection section: Int) -> String? {
return sections[section].footer
}
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
guard let header = sections[section].header else {
return nil
}
let view: TextViewTableViewHeaderFooterView? = tableView.dequeueReusableHeaderFooterView()
view?.textView.text = header
view?.textView.font = .systemFont(ofSize: 13)
view?.textViewInsets = UIEdgeInsets(top: 16, left: 16, bottom: 8, right: 16)
view?.update(theme: theme)
return view
}
func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
guard let footer = sections[section].footer else {
return nil
}
let view: TextViewTableViewHeaderFooterView? = tableView.dequeueReusableHeaderFooterView()
view?.textView.text = footer
view?.textView.font = .systemFont(ofSize: 13)
view?.update(theme: theme)
return view
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
let row = sections[indexPath.section].rows[indexPath.row]
row.action?()
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
let row = sections[indexPath.section].rows[indexPath.row]
switch row.type {
case .avatar:
return Constants.chooseAvatarTableViewCellHeight
case .textView:
return Constants.textViewTableViewCellHeight
default:
return UITableView.automaticDimension
}
}
func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
if sections[section].header == nil {
return 18
}
return UITableView.automaticDimension
}
func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
if sections[section].footer == nil {
return 18
}
return UITableView.automaticDimension
}
}
// MARK: - ChooseAvatarTableViewCellDelegate
extension EnterNewRoomDetailsViewController: ChooseAvatarTableViewCellDelegate {
func chooseAvatarTableViewCellDidTapChooseAvatar(_ cell: ChooseAvatarTableViewCell, sourceView: UIView) {
viewModel.process(viewAction: .chooseAvatar(sourceView: sourceView))
}
func chooseAvatarTableViewCellDidTapRemoveAvatar(_ cell: ChooseAvatarTableViewCell) {
viewModel.process(viewAction: .removeAvatar)
}
}
// MARK: - EnterNewRoomDetailsViewModelViewDelegate
extension EnterNewRoomDetailsViewController: EnterNewRoomDetailsViewModelViewDelegate {
func enterNewRoomDetailsViewModel(_ viewModel: EnterNewRoomDetailsViewModelType, didUpdateViewState viewSate: EnterNewRoomDetailsViewState) {
self.render(viewState: viewSate)
}
}
// MARK: - UITextFieldDelegate
extension EnterNewRoomDetailsViewController: UITextFieldDelegate {
func textFieldDidEndEditing(_ textField: UITextField) {
switch textField.tag {
case Constants.roomNameTextFieldTag:
viewModel.roomCreationParameters.name = textField.text
case Constants.roomAddressTextFieldTag:
viewModel.roomCreationParameters.address = textField.text
default:
break
}
updateSections()
}
func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
let text: NSString = (textField.text ?? "") as NSString
let resultString = text.replacingCharacters(in: range, with: string)
let resultCount = resultString.count
switch textField.tag {
case Constants.roomNameTextFieldTag:
createBarButtonItem.isEnabled = resultCount >= Constants.roomNameMinimumNumberOfChars
let result = resultCount <= Constants.roomNameMaximumNumberOfChars
if result {
viewModel.roomCreationParameters.name = resultString
updateCreateButtonState()
}
return result
case Constants.roomAddressTextFieldTag:
let result = resultCount <= Constants.roomAddressMaximumNumberOfChars
if result {
viewModel.roomCreationParameters.address = resultString
}
return result
default:
return true
}
}
}
// MARK: - UITextViewDelegate
extension EnterNewRoomDetailsViewController: UITextViewDelegate {
func textViewDidChange(_ textView: UITextView) {
switch textView.tag {
case Constants.roomTopicTextViewTag:
viewModel.roomCreationParameters.topic = textView.text
default:
break
}
}
func textViewDidEndEditing(_ textView: UITextView) {
switch textView.tag {
case Constants.roomTopicTextViewTag:
viewModel.roomCreationParameters.topic = textView.text
default:
break
}
updateSections()
}
func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
switch textView.tag {
case Constants.roomTopicTextViewTag:
return textView.text.count + (text.count - range.length) <= Constants.roomTopicMaximumNumberOfChars
default:
return true
}
}
}