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PostTextEditingView.swift
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PostTextEditingView.swift
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import SwiftUI
struct PostTextEditingView: View {
@ObservedObject var post: WFAPost
@Binding var updatingFromServer: Bool
@State private var appearance: PostAppearance = .serif
@State private var combinedText = ""
@State private var hasBeenEdited: Bool = false
let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
var body: some View {
ZStack(alignment: .topLeading) {
if combinedText.count == 0 {
Text("Write…")
.foregroundColor(Color(NSColor.placeholderTextColor))
.padding(.horizontal, 5)
.font(.custom(appearance.rawValue, size: 17, relativeTo: .body))
}
if post.appearance == "sans" {
MacEditorTextView(
text: $combinedText,
isFirstResponder: combinedText.isEmpty,
isEditable: true,
font: NSFont(name: PostAppearance.sans.rawValue, size: 17),
onEditingChanged: onEditingChanged,
onCommit: onCommit,
onTextChange: onTextChange
)
} else if post.appearance == "wrap" || post.appearance == "mono" || post.appearance == "code" {
MacEditorTextView(
text: $combinedText,
isFirstResponder: combinedText.isEmpty,
isEditable: true,
font: NSFont(name: PostAppearance.mono.rawValue, size: 17),
onEditingChanged: onEditingChanged,
onCommit: onCommit,
onTextChange: onTextChange
)
} else {
MacEditorTextView(
text: $combinedText,
isFirstResponder: combinedText.isEmpty,
isEditable: true,
font: NSFont(name: PostAppearance.serif.rawValue, size: 17),
onEditingChanged: onEditingChanged,
onCommit: onCommit,
onTextChange: onTextChange
)
}
}
.background(Color(NSColor.controlBackgroundColor))
.onAppear(perform: {
if post.title.isEmpty {
self.combinedText = post.body
} else {
self.combinedText = "# \(post.title)\n\n\(post.body)"
}
})
.onReceive(timer) { _ in
if !post.body.isEmpty && hasBeenEdited {
DispatchQueue.main.async {
LocalStorageManager.standard.saveContext()
hasBeenEdited = false
}
}
}
}
private func onEditingChanged() {
hasBeenEdited = true
}
private func onTextChange(_ text: String) {
extractTitle(text)
if post.status == PostStatus.published.rawValue && !updatingFromServer {
post.status = PostStatus.edited.rawValue
}
if updatingFromServer {
self.updatingFromServer = false
}
hasBeenEdited = true
}
private func onCommit() {
if !post.body.isEmpty && hasBeenEdited {
DispatchQueue.main.async {
LocalStorageManager.standard.saveContext()
}
}
hasBeenEdited = false
}
private func extractTitle(_ text: String) {
var detectedTitle: String
if text.hasPrefix("# ") {
let endOfTitleIndex = text.firstIndex(of: "\n") ?? text.endIndex
detectedTitle = String(text[..<endOfTitleIndex])
self.post.title = String(detectedTitle.dropFirst("# ".count))
let remainingText = String(text.dropFirst(detectedTitle.count).dropFirst(1))
if remainingText.hasPrefix("\n") {
self.post.body = String(remainingText.dropFirst(1))
} else {
self.post.body = remainingText
}
} else {
self.post.title = ""
self.post.body = text
}
}
}

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