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PostTextEditingView.swift
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PostTextEditingView.swift
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import SwiftUI
struct PostTextEditingView: View {
@Environment(\.horizontalSizeClass) var horizontalSizeClass
@ObservedObject var post: WFAPost
@Binding var updatingTitleFromServer: Bool
@Binding var updatingBodyFromServer: Bool
@State private var appearance: PostAppearance = .serif
private let bodyLineSpacingMultiplier: CGFloat = 0.5
init(
post: ObservedObject<WFAPost>,
updatingTitleFromServer: Binding<Bool>,
updatingBodyFromServer: Binding<Bool>
) {
self._post = post
self._updatingTitleFromServer = updatingTitleFromServer
self._updatingBodyFromServer = updatingBodyFromServer
UITextView.appearance().backgroundColor = .clear
}
var body: some View {
VStack {
TextField("Title (optional)", text: $post.title)
.font(.custom(appearance.rawValue, size: 26, relativeTo: .largeTitle))
.padding(.horizontal, 4)
.onChange(of: post.title) { _ in
if post.status == PostStatus.published.rawValue && !updatingTitleFromServer {
post.status = PostStatus.edited.rawValue
}
}
ZStack(alignment: .topLeading) {
if post.body.count == 0 {
Text("Write…")
.font(.custom(appearance.rawValue, size: 17, relativeTo: .body))
.foregroundColor(Color(UIColor.placeholderText))
.padding(.horizontal, 4)
.padding(.vertical, 8)
}
TextEditor(text: $post.body)
.font(.custom(appearance.rawValue, size: 17, relativeTo: .body))
.lineSpacing(
17 * (
horizontalSizeClass == .compact ? bodyLineSpacingMultiplier / 2 : bodyLineSpacingMultiplier
)
)
.onChange(of: post.body) { _ in
if post.status == PostStatus.published.rawValue && !updatingBodyFromServer {
post.status = PostStatus.edited.rawValue
}
if updatingBodyFromServer {
updatingBodyFromServer = false
}
}
}
}
.onAppear(perform: {
switch post.appearance {
case "sans":
self.appearance = .sans
case "wrap", "mono", "code":
self.appearance = .mono
default:
self.appearance = .serif
}
})
}
}

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