Dive deeper into Writing Tools

// Attach a coordinator to the view
// UIKit

func configureWritingTools() {
    guard UIWritingToolsCoordinator.isWritingToolsAvailable else { return }

    let coordinator = UIWritingToolsCoordinator(delegate: self)
    addInteraction(coordinator)
}

// Attach a coordinator to the view
// AppKit

func configureWritingTools() {
    guard NSWritingToolsCoordinator.isWritingToolsAvailable else { return }
       
    let coordinator = NSWritingToolsCoordinator(delegate: self)

    coordinator.preferredBehavior = .complete
    coordinator.preferredResultOptions = [.richText, .list]
    writingToolsCoordinator = coordinator
}

// Prepare the context

func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        requestsContextsFor scope: NSWritingToolsCoordinator.ContextScope,
        completion: @escaping ([NSWritingToolsCoordinator.Context]) -> Void) {

    var contexts = [NSWritingToolsCoordinator.Context]()
                
    switch scope {
    case .userSelection:
        let context = getContextObjectForSelection()
        contexts.append(context)
        break
        // other cases…
    }
        
    // Save references to the contexts for later delegate calls.
    storeContexts(contexts)
    completion(contexts)
}

// Respond to text changes from Writing Tools

func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        replace range: NSRange,
        in context: NSWritingToolsCoordinator.Context,
        proposedText replacementText: NSAttributedString,
        reason: NSWritingToolsCoordinator.TextReplacementReason,
        animationParameters: NSWritingToolsCoordinator.AnimationParameters?,
        completion: @escaping (NSAttributedString?) -> Void) {
}

// Update selected range

func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        select ranges: [NSValue],
        in context: NSWritingToolsCoordinator.Context,
        completion: @escaping () -> Void) {
}

// Generate preview for animation (macOS)

func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        requestsPreviewFor textAnimation: NSWritingToolsCoordinator.TextAnimation,
        of range: NSRange,
        in context: NSWritingToolsCoordinator.Context,
        completion: @escaping ([NSTextPreview]?) -> Void) {
}
    
func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        requestsPreviewFor rect: NSRect,
        in context: NSWritingToolsCoordinator.Context,
        completion: @escaping (NSTextPreview?) -> Void) {
}

// Generate preview for animation (iOS)

func writingToolsCoordinator(_ writingToolsCoordinator: UIWritingToolsCoordinator,
        requestsPreviewFor textAnimation: UIWritingToolsCoordinator.TextAnimation,
        of range: NSRange,
        in context: UIWritingToolsCoordinator.Context,
        completion: @escaping (UITargetedPreview?) -> Void) {
}

// Generate preview for animation

func writingToolsCoordinator(
    _ writingToolsCoordinator: NSWritingToolsCoordinator,
    prepareFor textAnimation: NSWritingToolsCoordinator.TextAnimation,
    for range: NSRange,
    in context: NSWritingToolsCoordinator.Context,
    completion: @escaping () -> Void) {

    // Hide the specific range of text from the text view
}

func writingToolsCoordinator(
    _ writingToolsCoordinator: NSWritingToolsCoordinator,
    finish textAnimation: NSWritingToolsCoordinator.TextAnimation,
    for range: NSRange,
    in context: NSWritingToolsCoordinator.Context,
    completion: @escaping () -> Void) {

    // Show the specific range of text again
}

// Create proofreading marks

func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        requestsUnderlinePathsFor range: NSRange,
        in context: NSWritingToolsCoordinator.Context,
        completion: @escaping ([NSBezierPath]) -> Void) {
}

func writingToolsCoordinator(_ writingToolsCoordinator: NSWritingToolsCoordinator,
        requestsBoundingBezierPathsFor range: NSRange,
        in context: NSWritingToolsCoordinator.Context,
        completion: @escaping ([NSBezierPath]) -> Void) {
}