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feat: [WIP] add mention and hashtag input highlight. Add emoji token replacing logic

This commit is contained in:
CMK 2021-03-12 19:25:28 +08:00
parent 36604d150f
commit 92a26b2f73
6 changed files with 180 additions and 9 deletions
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4
Mastodon.xcodeproj/project.pbxproj
View File

@ -145,6 +145,7 @@
DB5086AB25CC0BBB00C2C187 /* AvatarConfigurableView.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB5086AA25CC0BBB00C2C187 /* AvatarConfigurableView.swift */; };
DB5086B825CC0D6400C2C187 /* Kingfisher in Frameworks */ = {isa = PBXBuildFile; productRef = DB5086B725CC0D6400C2C187 /* Kingfisher */; };
DB5086BE25CC0D9900C2C187 /* SplashPreference.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB5086BD25CC0D9900C2C187 /* SplashPreference.swift */; };
DB55D33025FB630A0002F825 /* TwitterTextEditor+String.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB55D32F25FB630A0002F825 /* TwitterTextEditor+String.swift */; };
DB59F0FE25EF5D96001F1DAB /* StatusProvider+UITableViewDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB59F0FD25EF5D96001F1DAB /* StatusProvider+UITableViewDelegate.swift */; };
DB59F10425EF5EBC001F1DAB /* TableViewCellHeightCacheableContainer.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB59F10325EF5EBC001F1DAB /* TableViewCellHeightCacheableContainer.swift */; };
DB59F10E25EF724F001F1DAB /* APIService+Poll.swift in Sources */ = {isa = PBXBuildFile; fileRef = DB59F10D25EF724F001F1DAB /* APIService+Poll.swift */; };
@ -409,6 +410,7 @@
DB5086A425CC0B7000C2C187 /* AvatarBarButtonItem.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AvatarBarButtonItem.swift; sourceTree = "<group>"; };
DB5086AA25CC0BBB00C2C187 /* AvatarConfigurableView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AvatarConfigurableView.swift; sourceTree = "<group>"; };
DB5086BD25CC0D9900C2C187 /* SplashPreference.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SplashPreference.swift; sourceTree = "<group>"; };
DB55D32F25FB630A0002F825 /* TwitterTextEditor+String.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "TwitterTextEditor+String.swift"; sourceTree = "<group>"; };
DB59F0FD25EF5D96001F1DAB /* StatusProvider+UITableViewDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "StatusProvider+UITableViewDelegate.swift"; sourceTree = "<group>"; };
DB59F10325EF5EBC001F1DAB /* TableViewCellHeightCacheableContainer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TableViewCellHeightCacheableContainer.swift; sourceTree = "<group>"; };
DB59F10D25EF724F001F1DAB /* APIService+Poll.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "APIService+Poll.swift"; sourceTree = "<group>"; };
@ -672,6 +674,7 @@
children = (
2D5A3D0225CF8742002347D6 /* ControlContainableScrollViews.swift */,
DB2B3AE825E38850007045F9 /* UIViewPreview.swift */,
DB55D32F25FB630A0002F825 /* TwitterTextEditor+String.swift */,
);
path = Vender;
sourceTree = "<group>";
@ -1671,6 +1674,7 @@
2D206B7225F5D27F00143C56 /* AudioContainerView.swift in Sources */,
DB9D6C2425E502C60051B173 /* MosaicImageViewModel.swift in Sources */,
2D82BA0525E7897700E36F0F /* MastodonResendEmailViewModelNavigationDelegateShim.swift in Sources */,
DB55D33025FB630A0002F825 /* TwitterTextEditor+String.swift in Sources */,
2D38F1EB25CD477000561493 /* HomeTimelineViewModel+LoadLatestState.swift in Sources */,
DBD9149025DF6D8D00903DFD /* APIService+Onboarding.swift in Sources */,
DB98337F25C9452D00AD9700 /* APIService+APIError.swift in Sources */,

7
Mastodon/Diffiable/Section/ComposeStatusSection.swift
View File

@ -9,6 +9,7 @@ import UIKit
import Combine
import CoreData
import CoreDataStack
import TwitterTextEditor
enum ComposeStatusSection: Equatable, Hashable {
case repliedTo
@ -27,9 +28,10 @@ extension ComposeStatusSection {
for tableView: UITableView,
dependency: NeedsDependency,
managedObjectContext: NSManagedObjectContext,
composeKind: ComposeKind
composeKind: ComposeKind,
textEditorViewTextAttributesDelegate: TextEditorViewTextAttributesDelegate
) -> UITableViewDiffableDataSource<ComposeStatusSection, ComposeStatusItem> {
UITableViewDiffableDataSource<ComposeStatusSection, ComposeStatusItem>(tableView: tableView) { tableView, indexPath, item -> UITableViewCell? in
UITableViewDiffableDataSource<ComposeStatusSection, ComposeStatusItem>(tableView: tableView) { [weak textEditorViewTextAttributesDelegate] tableView, indexPath, item -> UITableViewCell? in
switch item {
case .replyTo(let tootObjectID):
let cell = tableView.dequeueReusableCell(withIdentifier: String(describing: ComposeRepliedToTootContentTableViewCell.self), for: indexPath) as! ComposeRepliedToTootContentTableViewCell
@ -47,6 +49,7 @@ extension ComposeStatusSection {
cell.statusView.headerInfoLabel.text = "[TODO] \(replyTo.author.displayName)"
}
ComposeStatusSection.configure(cell: cell, attribute: attribute)
cell.textEditorView.textAttributesDelegate = textEditorViewTextAttributesDelegate
// self size input cell
cell.composeContent
.receive(on: DispatchQueue.main)

2
Mastodon/Diffiable/Section/StatusSection.swift
View File

@ -322,7 +322,7 @@ extension StatusSection {
cell.statusView.pollCountdownLabel.text = L10n.Common.Controls.Status.Poll.timeLeft(expiresAt.shortTimeAgoSinceNow)
}
} else {
assertionFailure()
// assertionFailure()
cell.pollCountdownSubscription = nil
cell.statusView.pollCountdownLabel.text = "-"
}

115
Mastodon/Scene/Compose/ComposeViewController.swift
View File

@ -9,7 +9,6 @@ import os.log
import UIKit
import Combine
import TwitterTextEditor
import KeyboardGuide
final class ComposeViewController: UIViewController, NeedsDependency {
@ -44,11 +43,13 @@ final class ComposeViewController: UIViewController, NeedsDependency {
let composeToolbarView: ComposeToolbarView = {
let composeToolbarView = ComposeToolbarView()
composeToolbarView.backgroundColor = .secondarySystemBackground
return composeToolbarView
}()
var composeToolbarViewBottomLayoutConstraint: NSLayoutConstraint!
let composeToolbarBackgroundView: UIView = {
let backgroundView = UIView()
backgroundView.backgroundColor = .secondarySystemBackground
return backgroundView
}()
@ -91,8 +92,21 @@ extension ComposeViewController {
composeToolbarView.preservesSuperviewLayoutMargins = true
composeToolbarView.delegate = self
composeToolbarBackgroundView.translatesAutoresizingMaskIntoConstraints = false
view.insertSubview(composeToolbarBackgroundView, belowSubview: composeToolbarView)
NSLayoutConstraint.activate([
composeToolbarBackgroundView.topAnchor.constraint(equalTo: composeToolbarView.topAnchor),
composeToolbarBackgroundView.leadingAnchor.constraint(equalTo: composeToolbarView.leadingAnchor),
composeToolbarBackgroundView.trailingAnchor.constraint(equalTo: composeToolbarView.trailingAnchor),
view.bottomAnchor.constraint(equalTo: composeToolbarBackgroundView.bottomAnchor),
])
tableView.delegate = self
viewModel.setupDiffableDataSource(for: tableView, dependency: self)
viewModel.setupDiffableDataSource(
for: tableView,
dependency: self,
textEditorViewTextAttributesDelegate: self
)
// respond scrollView overlap change
view.layoutIfNeeded()
@ -208,12 +222,105 @@ extension ComposeViewController {
// MARK: - TextEditorViewTextAttributesDelegate
extension ComposeViewController: TextEditorViewTextAttributesDelegate {
func textEditorView(_ textEditorView: TextEditorView, updateAttributedString attributedString: NSAttributedString, completion: @escaping (NSAttributedString?) -> Void) {
// TODO:
func textEditorView(
_ textEditorView: TextEditorView,
updateAttributedString attributedString: NSAttributedString,
completion: @escaping (NSAttributedString?) -> Void
) {
DispatchQueue.global().async {
let string = attributedString.string
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: update: %s", ((#file as NSString).lastPathComponent), #line, #function, string)
let stringRange = NSRange(location: 0, length: string.length)
let highlightMatches = string.matches(pattern: "(?:@([a-zA-Z0-9_]+)|#([^\\s]+))")
// not accept :$ to force user input space to make emoji take effect
let emojiMatches = string.matches(pattern: "(?:(^:|\\s:)([a-zA-Z0-9_]+):\\s)")
DispatchQueue.main.async { [weak self] in
guard let self = self else {
completion(nil)
return
}
// set normal apperance
let attributedString = NSMutableAttributedString(attributedString: attributedString)
attributedString.removeAttribute(.suffixedAttachment, range: stringRange)
attributedString.removeAttribute(.underlineStyle, range: stringRange)
attributedString.addAttribute(.foregroundColor, value: Asset.Colors.Label.primary.color, range: stringRange)
attributedString.addAttribute(.font, value: UIFont.preferredFont(forTextStyle: .body), range: stringRange)
for match in highlightMatches {
// hashtag
if let name = string.substring(with: match, at: 2) {
let attachment: TextAttributes.SuffixedAttachment?
switch name {
// FIXME:
case "person":
attachment = .init(size: CGSize(width: 20.0, height: 20.0),
attachment: .image(UIImage(systemName: "person")!))
default:
attachment = nil
}
if let attachment = attachment {
let index = match.range.upperBound - 1
attributedString.addAttribute(
.suffixedAttachment,
value: attachment,
range: NSRange(location: index, length: 1)
)
}
}
// set highlight
var attributes = [NSAttributedString.Key: Any]()
attributes[.foregroundColor] = Asset.Colors.Label.highlight.color
// See `traitCollectionDidChange(_:)`
// set accessibility
if #available(iOS 13.0, *) {
switch self.traitCollection.accessibilityContrast {
case .high:
attributes[.underlineStyle] = NSUnderlineStyle.single.rawValue
default:
break
}
}
attributedString.addAttributes(attributes, range: match.range)
}
for match in emojiMatches {
if let name = string.substring(with: match, at: 2) {
os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s: handle emoji: %s", ((#file as NSString).lastPathComponent), #line, #function, name)
// set emoji token invisiable (without upper bounce space)
var attributes = [NSAttributedString.Key: Any]()
attributes[.font] = UIFont.systemFont(ofSize: 0.01)
let rangeWithoutUpperBounceSpace = NSRange(location: match.range.location, length: match.range.length - 1)
attributedString.addAttributes(attributes, range: rangeWithoutUpperBounceSpace)
// append emoji attachment
let attachment = TextAttributes.SuffixedAttachment(
size: CGSize(width: 20, height: 20),
attachment: .image(UIImage(systemName: "circle")!)
)
let index = match.range.upperBound - 1
attributedString.addAttribute(
.suffixedAttachment,
value: attachment,
range: NSRange(location: index, length: 1)
)
}
}
completion(attributedString)
}
}
}
}
// MARK: - ComposeToolbarViewDelegate
extension ComposeViewController: ComposeToolbarViewDelegate {

7
Mastodon/Scene/Compose/ComposeViewModel+Diffable.swift
View File

@ -6,18 +6,21 @@
//
import UIKit
import TwitterTextEditor
extension ComposeViewModel {
func setupDiffableDataSource(
for tableView: UITableView,
dependency: NeedsDependency
dependency: NeedsDependency,
textEditorViewTextAttributesDelegate: TextEditorViewTextAttributesDelegate
) {
diffableDataSource = ComposeStatusSection.tableViewDiffableDataSource(
for: tableView,
dependency: dependency,
managedObjectContext: context.managedObjectContext,
composeKind: composeKind
composeKind: composeKind,
textEditorViewTextAttributesDelegate: textEditorViewTextAttributesDelegate
)
var snapshot = NSDiffableDataSourceSnapshot<ComposeStatusSection, ComposeStatusItem>()

54
Mastodon/Vender/TwitterTextEditor+String.swift Normal file
View File

@ -0,0 +1,54 @@
//
// String.swift
// Example
//
// Copyright 2021 Twitter, Inc.
// SPDX-License-Identifier: Apache-2.0
//
import Foundation
extension String {
@inlinable
var length: Int {
(self as NSString).length
}
@inlinable
func substring(with range: NSRange) -> String {
(self as NSString).substring(with: range)
}
func substring(with result: NSTextCheckingResult, at index: Int) -> String? {
guard index < result.numberOfRanges else {
return nil
}
let range = result.range(at: index)
guard range.location != NSNotFound else {
return nil
}
return substring(with: result.range(at: index))
}
func firstMatch(pattern: String,
options: NSRegularExpression.Options = [],
range: NSRange? = nil) -> NSTextCheckingResult?
{
guard let regularExpression = try? NSRegularExpression(pattern: pattern, options: options) else {
return nil
}
let range = range ?? NSRange(location: 0, length: length)
return regularExpression.firstMatch(in: self, options: [], range: range)
}
func matches(pattern: String,
options: NSRegularExpression.Options = [],
range: NSRange? = nil) -> [NSTextCheckingResult]
{
guard let regularExpression = try? NSRegularExpression(pattern: pattern, options: options) else {
return []
}
let range = range ?? NSRange(location: 0, length: length)
return regularExpression.matches(in: self, options: [], range: range)
}
}