85 lines
2.8 KiB
Swift
85 lines
2.8 KiB
Swift
// Copyright © 2020 Metabolist. All rights reserved.
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import Combine
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import UIKit
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import ViewModels
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class CompositionInputAccessoryView: UIView {
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private let stackView = UIStackView()
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private let viewModel: CompositionViewModel
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private var cancellables = Set<AnyCancellable>()
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init(viewModel: CompositionViewModel) {
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self.viewModel = viewModel
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super.init(frame: .zero)
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initialSetup()
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}
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@available(*, unavailable)
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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 var intrinsicContentSize: CGSize {
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stackView.systemLayoutSizeFitting(UIView.layoutFittingCompressedSize)
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}
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}
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private extension CompositionInputAccessoryView {
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func initialSetup() {
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autoresizingMask = .flexibleHeight
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backgroundColor = .secondarySystemFill
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addSubview(stackView)
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stackView.translatesAutoresizingMaskIntoConstraints = false
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stackView.spacing = .defaultSpacing
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let mediaButton = UIButton()
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stackView.addArrangedSubview(mediaButton)
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mediaButton.setImage(
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UIImage(
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systemName: "photo",
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withConfiguration: UIImage.SymbolConfiguration(scale: .medium)),
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for: .normal)
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mediaButton.addAction(UIAction { [weak self] _ in self?.viewModel.presentMediaPicker() }, for: .touchUpInside)
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let pollButton = UIButton()
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stackView.addArrangedSubview(pollButton)
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pollButton.setImage(
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UIImage(
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systemName: "chart.bar.xaxis",
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withConfiguration: UIImage.SymbolConfiguration(scale: .medium)),
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for: .normal)
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stackView.addArrangedSubview(UIView())
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let addButton = UIButton()
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stackView.addArrangedSubview(addButton)
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addButton.setImage(
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UIImage(
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systemName: "plus.circle.fill",
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withConfiguration: UIImage.SymbolConfiguration(scale: .medium)),
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for: .normal)
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addButton.addAction(UIAction { [weak self] _ in self?.viewModel.insert() }, for: .touchUpInside)
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for button in [mediaButton, pollButton, addButton] {
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button.heightAnchor.constraint(greaterThanOrEqualToConstant: .minimumButtonDimension).isActive = true
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button.widthAnchor.constraint(greaterThanOrEqualToConstant: .minimumButtonDimension).isActive = true
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}
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NSLayoutConstraint.activate([
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stackView.leadingAnchor.constraint(equalTo: leadingAnchor),
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stackView.topAnchor.constraint(equalTo: topAnchor),
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stackView.trailingAnchor.constraint(equalTo: trailingAnchor),
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stackView.bottomAnchor.constraint(equalTo: bottomAnchor)
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])
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viewModel.$isPostable.sink { addButton.isEnabled = $0 }.store(in: &cancellables)
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}
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}
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