metatext-app-ios-iphone-ipad/Views/AccountHeaderView.swift

110 lines
4.0 KiB
Swift

// Copyright © 2020 Metabolist. All rights reserved.
import Kingfisher
import UIKit
import ViewModels
class AccountHeaderView: UIView {
let headerImageView = UIImageView()
let noteTextView = TouchFallthroughTextView()
let segmentedControl = UISegmentedControl()
var viewModel: AccountStatusesViewModel? {
didSet {
if let accountViewModel = viewModel?.accountViewModel {
headerImageView.kf.setImage(with: accountViewModel.headerURL)
let noteFont = UIFont.preferredFont(forTextStyle: .callout)
let mutableNote = NSMutableAttributedString(attributedString: accountViewModel.note)
let noteRange = NSRange(location: 0, length: mutableNote.length)
mutableNote.removeAttribute(.font, range: noteRange)
mutableNote.addAttributes(
[.font: noteFont as Any,
.foregroundColor: UIColor.label],
range: noteRange)
mutableNote.insert(emoji: accountViewModel.emoji, view: noteTextView)
mutableNote.resizeAttachments(toLineHeight: noteFont.lineHeight)
noteTextView.attributedText = mutableNote
noteTextView.isHidden = false
} else {
noteTextView.isHidden = true
}
}
}
override init(frame: CGRect) {
super.init(frame: frame)
initializationActions()
}
@available(*, unavailable)
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
extension AccountHeaderView: UITextViewDelegate {
func textView(
_ textView: UITextView,
shouldInteractWith URL: URL,
in characterRange: NSRange,
interaction: UITextItemInteraction) -> Bool {
switch interaction {
case .invokeDefaultAction:
viewModel?.accountViewModel?.urlSelected(URL)
return false
case .preview: return false
case .presentActions: return false
@unknown default: return false
}
}
}
private extension AccountHeaderView {
func initializationActions() {
let baseStackView = UIStackView()
addSubview(headerImageView)
addSubview(baseStackView)
headerImageView.translatesAutoresizingMaskIntoConstraints = false
baseStackView.translatesAutoresizingMaskIntoConstraints = false
baseStackView.axis = .vertical
noteTextView.isScrollEnabled = false
noteTextView.delegate = self
baseStackView.addArrangedSubview(noteTextView)
for (index, collection) in AccountStatusCollection.allCases.enumerated() {
segmentedControl.insertSegment(
action: UIAction(title: collection.title) { [weak self] _ in
self?.viewModel?.collection = collection
self?.viewModel?.request()
},
at: index,
animated: false)
}
segmentedControl.selectedSegmentIndex = 0
baseStackView.addArrangedSubview(segmentedControl)
let headerImageAspectRatioConstraint = headerImageView.heightAnchor.constraint(
equalTo: headerImageView.widthAnchor,
multiplier: 9 / 16)
headerImageAspectRatioConstraint.priority = .init(999)
NSLayoutConstraint.activate([
headerImageAspectRatioConstraint,
headerImageView.topAnchor.constraint(equalTo: topAnchor),
headerImageView.leadingAnchor.constraint(equalTo: leadingAnchor),
headerImageView.trailingAnchor.constraint(equalTo: trailingAnchor),
baseStackView.topAnchor.constraint(equalTo: headerImageView.bottomAnchor),
baseStackView.leadingAnchor.constraint(equalTo: readableContentGuide.leadingAnchor),
baseStackView.trailingAnchor.constraint(equalTo: readableContentGuide.trailingAnchor),
baseStackView.bottomAnchor.constraint(equalTo: bottomAnchor)
])
}
}