mastodon-ios/Mastodon/Scene/Compose/CollectionViewCell/ComposeStatusContentCollect...

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6.3 KiB
Swift
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//
// ComposeStatusContentCollectionViewCell.swift
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// Mastodon
//
// Created by MainasuK Cirno on 2021-3-11.
//
import os.log
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import UIKit
import Combine
import TwitterTextEditor
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final class ComposeStatusContentCollectionViewCell: UICollectionViewCell {
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var disposeBag = Set<AnyCancellable>()
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let statusView = StatusView()
let statusContentWarningEditorView = StatusContentWarningEditorView()
let textEditorViewContainerView = UIView()
let textEditorView: TextEditorView = {
let textEditorView = TextEditorView()
textEditorView.font = .preferredFont(forTextStyle: .body)
textEditorView.scrollView.isScrollEnabled = false
textEditorView.isScrollEnabled = false
textEditorView.placeholderText = L10n.Scene.Compose.contentInputPlaceholder
textEditorView.keyboardType = .twitter
return textEditorView
}()
// input
weak var textEditorViewChangeObserver: TextEditorViewChangeObserver?
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// output
let composeContent = PassthroughSubject<String, Never>()
let contentWarningContent = PassthroughSubject<String, Never>()
override init(frame: CGRect) {
super.init(frame: frame)
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_init()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
_init()
}
}
extension ComposeStatusContentCollectionViewCell {
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private func _init() {
// selectionStyle = .none
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layer.zPosition = 999
preservesSuperviewLayoutMargins = true
statusContentWarningEditorView.translatesAutoresizingMaskIntoConstraints = false
contentView.addSubview(statusContentWarningEditorView)
NSLayoutConstraint.activate([
statusContentWarningEditorView.topAnchor.constraint(equalTo: contentView.topAnchor),
statusContentWarningEditorView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
statusContentWarningEditorView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
])
statusContentWarningEditorView.preservesSuperviewLayoutMargins = true
statusContentWarningEditorView.containerBackgroundView.isHidden = false
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statusView.translatesAutoresizingMaskIntoConstraints = false
contentView.addSubview(statusView)
NSLayoutConstraint.activate([
statusView.topAnchor.constraint(equalTo: statusContentWarningEditorView.bottomAnchor, constant: 20),
statusView.leadingAnchor.constraint(equalTo: contentView.readableContentGuide.leadingAnchor),
statusView.trailingAnchor.constraint(equalTo: contentView.readableContentGuide.trailingAnchor),
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])
statusView.statusContainerStackView.isHidden = true
statusView.actionToolbarContainer.isHidden = true
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statusView.nameTrialingDotLabel.isHidden = true
statusView.dateLabel.isHidden = true
statusView.setContentHuggingPriority(.defaultHigh, for: .vertical)
statusView.setContentCompressionResistancePriority(.required - 1, for: .vertical)
textEditorViewContainerView.translatesAutoresizingMaskIntoConstraints = false
contentView.addSubview(textEditorViewContainerView)
NSLayoutConstraint.activate([
textEditorViewContainerView.topAnchor.constraint(equalTo: statusView.bottomAnchor, constant: 10),
textEditorViewContainerView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor),
textEditorViewContainerView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor),
contentView.bottomAnchor.constraint(equalTo: textEditorViewContainerView.bottomAnchor, constant: 10),
])
textEditorViewContainerView.preservesSuperviewLayoutMargins = true
textEditorView.translatesAutoresizingMaskIntoConstraints = false
textEditorViewContainerView.addSubview(textEditorView)
NSLayoutConstraint.activate([
textEditorView.topAnchor.constraint(equalTo: textEditorViewContainerView.topAnchor),
textEditorView.leadingAnchor.constraint(equalTo: textEditorViewContainerView.readableContentGuide.leadingAnchor),
textEditorView.trailingAnchor.constraint(equalTo: textEditorViewContainerView.readableContentGuide.trailingAnchor),
textEditorView.bottomAnchor.constraint(equalTo: textEditorViewContainerView.bottomAnchor),
textEditorView.heightAnchor.constraint(greaterThanOrEqualToConstant: 44).priority(.defaultHigh),
])
textEditorView.setContentCompressionResistancePriority(.required - 2, for: .vertical)
statusContentWarningEditorView.textView.delegate = self
textEditorView.changeObserver = self
statusContentWarningEditorView.containerView.isHidden = true
statusView.revealContentWarningButton.isHidden = true
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}
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}
// MARK: - TextEditorViewChangeObserver
extension ComposeStatusContentCollectionViewCell: TextEditorViewChangeObserver {
func textEditorView(_ textEditorView: TextEditorView, didChangeWithChangeResult changeResult: TextEditorViewChangeResult) {
defer {
textEditorViewChangeObserver?.textEditorView(textEditorView, didChangeWithChangeResult: changeResult)
}
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: text: %s", ((#file as NSString).lastPathComponent), #line, #function, textEditorView.text)
guard changeResult.isTextChanged else { return }
composeContent.send(textEditorView.text)
}
}
// MARK: - UITextViewDelegate
extension ComposeStatusContentCollectionViewCell: UITextViewDelegate {
func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
// disable input line break
guard text != "\n" else { return false }
return true
}
func textViewDidChange(_ textView: UITextView) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: text: %s", ((#file as NSString).lastPathComponent), #line, #function, textView.text)
guard textView === statusContentWarningEditorView.textView else { return }
// replace line break with space
textView.text = textView.text.replacingOccurrences(of: "\n", with: " ")
contentWarningContent.send(textView.text)
}
}