Elena Nazarova
122 lines
4.3 KiB
Swift
122 lines
4.3 KiB
Swift
//
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// CommonControllerAutocomplete.swift
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// Wallet
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//
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// Created by Igor on 10.02.2021.
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//
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import UIKit
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import Combine
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import WalletUIComponents
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class CommonControllerAutocomplete: UIViewController {
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@IBOutlet private weak var tableView: UITableView!
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@IBOutlet private weak var searchTextFieldContainer: UIView!
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@IBOutlet private weak var height: NSLayoutConstraint!
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private let viewModel: TextFieldViewModel
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private var cancellables = Set<AnyCancellable>()
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private let completion: (Common.Model.Menu) -> Void
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private let service: CommonMenuAutocompleteService
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private var collection = [Common.Model.Menu]()
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private var isLoading = false
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private var selected: Common.Model.Menu?
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init(
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image: UIImage? = nil,
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title: String? = nil,
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text: String? = nil,
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placeholder: String? = nil,
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service: CommonMenuAutocompleteService,
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selected: Common.Model.Menu? = nil,
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_ completion: @escaping (Common.Model.Menu) -> Void
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) {
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self.service = service
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self.selected = selected
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self.completion = completion
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self.viewModel = TextFieldViewModel(placeholder: placeholder ?? "")
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super.init(nibName: "CommonControllerAutocomplete", bundle: nil)
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self.title = title
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self.text = text
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self.image = image
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_ = view
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self.height.constant = 2*UIScreen.main.bounds.height/3
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self.view.layoutIfNeeded()
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self.tableView.register(cell: CommonCellAutocomplete.self)
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self.service.didUpdate = {
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Loader.hide(in: self.tableView)
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self.collection = service.collection
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self.isLoading = false
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self.tableView.reloadData()
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}
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self.reload()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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self.setupTextFieldSearch()
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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self.viewModel.objectWillChange
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.receive(on: DispatchQueue.main)
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.sink { [weak self] in
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guard let self else { return }
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self.textFieldDidChange(self.viewModel.text)
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}
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.store(in: &self.cancellables)
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}
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private func reload() {
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self.isLoading = true
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self.tableView.reloadData()
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if !Loader.isLoading(in: self.tableView) {
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Loader.show(in: self.tableView)
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}
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self.service.apply(filter: self.viewModel.text)
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}
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private func setupTextFieldSearch() {
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let textField = CommonTextFieldSearch(viewModel: self.viewModel)
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let hostingTextFieldView = UIHostingView(rootView: textField, autoresizingMask: false)
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self.searchTextFieldContainer.addSubview(hostingTextFieldView)
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NSLayoutConstraint.activate([
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hostingTextFieldView.topAnchor.constraint(equalTo: self.searchTextFieldContainer.topAnchor),
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hostingTextFieldView.leadingAnchor.constraint(equalTo: self.searchTextFieldContainer.leadingAnchor),
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hostingTextFieldView.trailingAnchor.constraint(equalTo: self.searchTextFieldContainer.trailingAnchor),
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hostingTextFieldView.bottomAnchor.constraint(equalTo: self.searchTextFieldContainer.bottomAnchor)
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])
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}
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private func textFieldDidChange(_ text: String?) {
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self.reload()
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}
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}
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extension CommonControllerAutocomplete: UITableViewDataSource, UITableViewDelegate {
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func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { self.isLoading ? 0 : self.collection.count }
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func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell = tableView.dequeueReusableCell(CommonCellAutocomplete.self, indexPath: indexPath)
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cell.adjust(to: self.collection[indexPath.row], isSelected: self.selected == self.collection[indexPath.row])
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return cell
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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self.selected = collection[indexPath.row]
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tableView.reloadData()
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self.dismiss(animated: true) { self.completion(self.collection[indexPath.row]) }
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}
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}
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