105 lines
3.6 KiB
Swift
105 lines
3.6 KiB
Swift
//
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// PollOptionTextField.swift
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//
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//
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// Created by MainasuK on 2022-5-27.
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//
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import os.log
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import UIKit
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import SwiftUI
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import Combine
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import MastodonCore
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import MastodonLocalization
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public struct PollOptionTextField: UIViewRepresentable {
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let textField = DeleteBackwardResponseTextField()
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@Binding var text: String
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let index: Int
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let delegate: DeleteBackwardResponseTextFieldRelayDelegate?
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let configurationHandler: (DeleteBackwardResponseTextField) -> Void
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public func makeUIView(context: Context) -> DeleteBackwardResponseTextField {
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textField.setContentHuggingPriority(.defaultHigh, for: .vertical)
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textField.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
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textField.textInset = UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10)
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textField.borderStyle = .none
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textField.backgroundColor = .clear
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textField.returnKeyType = .next
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textField.font = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 16, weight: .regular))
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textField.adjustsFontForContentSizeCategory = true
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return textField
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}
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public func updateUIView(_ textField: DeleteBackwardResponseTextField, context: Context) {
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textField.tag = index
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textField.text = text
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textField.placeholder = {
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if index >= 0 {
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return L10n.Scene.Compose.Poll.optionNumber(index + 1)
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} else {
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assertionFailure()
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return ""
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}
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}()
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textField.delegate = context.coordinator
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textField.deleteBackwardDelegate = context.coordinator
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context.coordinator.delegate = delegate
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configurationHandler(textField)
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}
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public func makeCoordinator() -> Coordinator {
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Coordinator(self)
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}
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}
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protocol DeleteBackwardResponseTextFieldRelayDelegate: AnyObject {
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func deleteBackwardResponseTextFieldDidReturn(_ textField: DeleteBackwardResponseTextField)
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func deleteBackwardResponseTextField(_ textField: DeleteBackwardResponseTextField, textBeforeDelete: String?)
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}
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extension PollOptionTextField {
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public class Coordinator: NSObject {
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let logger = Logger(subsystem: "DeleteBackwardResponseTextFieldRepresentable.Coordinator", category: "Coordinator")
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var disposeBag = Set<AnyCancellable>()
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weak var delegate: DeleteBackwardResponseTextFieldRelayDelegate?
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let view: PollOptionTextField
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init(_ view: PollOptionTextField) {
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self.view = view
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super.init()
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NotificationCenter.default.publisher(for: UITextField.textDidChangeNotification, object: view.textField)
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.sink { [weak self] _ in
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guard let self = self else { return }
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self.view.text = view.textField.text ?? ""
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}
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.store(in: &disposeBag)
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}
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}
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}
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// MARK: - UITextFieldDelegate
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extension PollOptionTextField.Coordinator: UITextFieldDelegate {
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public func textFieldShouldReturn(_ textField: UITextField) -> Bool {
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guard let textField = textField as? DeleteBackwardResponseTextField else {
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return true
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}
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delegate?.deleteBackwardResponseTextFieldDidReturn(textField)
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return true
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}
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}
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extension PollOptionTextField.Coordinator: DeleteBackwardResponseTextFieldDelegate {
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public func deleteBackwardResponseTextField(_ textField: DeleteBackwardResponseTextField, textBeforeDelete: String?) {
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delegate?.deleteBackwardResponseTextField(textField, textBeforeDelete: textBeforeDelete)
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}
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}
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