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import SwiftUI
enum FocusedField: Int, Hashable {
case chatInput
}
struct ChatJoinedMessageView: View {
let message: ChatMessage
var body: some View {
HStack(alignment: .center, spacing: 4) {
Image(systemName: "arrow.right")
.resizable()
.scaledToFit()
.fontWeight(.semibold)
.foregroundStyle(.primary)
.frame(width: 12, height: 12)
Text(message.text)
.lineLimit(1)
.truncationMode(.middle)
.fontWeight(.semibold)
.textSelection(.disabled)
Spacer()
}
.opacity(0.3)
}
}
struct ChatLeftMessageView: View {
let message: ChatMessage
var body: some View {
HStack(alignment: .center, spacing: 4) {
Image(systemName: "arrow.left")
.resizable()
.scaledToFit()
.fontWeight(.semibold)
.foregroundStyle(.primary)
.frame(width: 12, height: 12)
Text(message.text)
.lineLimit(1)
.truncationMode(.middle)
.fontWeight(.semibold)
.textSelection(.disabled)
Spacer()
}
.opacity(0.3)
}
}
struct ChatDisconnectedMessageView: View {
let message: ChatMessage
var body: some View {
HStack {
Spacer()
}
.frame(height: 5)
.background(Color.primary)
.clipShape(.capsule)
.opacity(0.1)
}
}
struct ChatMessageView: View {
let message: ChatMessage
var body: some View {
HStack(alignment: .firstTextBaseline) {
if let username = message.username {
Text("\(username): ").fontWeight(.semibold) + Text(message.text.markdownToAttributedString())
}
else {
Text(message.text)
}
Spacer()
}
.lineSpacing(4)
.multilineTextAlignment(.leading)
.textSelection(.enabled)
.tint(Color("Link Color"))
}
}
struct ChatView: View {
@Environment(Hotline.self) private var model: Hotline
@Environment(\.colorScheme) var colorScheme
@Environment(\.dismiss) var dismiss
@State private var scrollPos: Int?
@State private var contentHeight: CGFloat = 0
@State private var searchQuery: String = ""
@State private var searchResults: [ChatMessage] = []
@State private var isSearching: Bool = false
@FocusState private var focusedField: FocusedField?
@Namespace var bottomID
private var bindableModel: Bindable<Hotline> {
Bindable(model)
}
// @State private var showingExporter: Bool = false
//
// @State private var chatDocument: TextFile = TextFile()
var displayedMessages: [ChatMessage] {
searchQuery.isEmpty ? model.chat : searchResults
}
var body: some View {
@Bindable var bindModel = model
NavigationStack {
ScrollViewReader { reader in
VStack(alignment: .leading, spacing: 0) {
// MARK: Scroll View
ScrollView(.vertical) {
LazyVStack(alignment: .leading, spacing: 8) {
ForEach(displayedMessages) { msg in
if msg.type == .agreement {
VStack(alignment: .center, spacing: 16) {
if let bannerImage = self.model.bannerImage {
HStack(spacing: 0) {
Spacer(minLength: 0)
ZStack {
Image(nsImage: bannerImage)
.resizable()
.scaledToFit()
.frame(maxWidth: 468.0)
.clipShape(RoundedRectangle(cornerRadius: 8, style: .continuous))
.offset(y: 1.5)
.blur(radius: 4)
.opacity(0.2)
Image(nsImage: bannerImage)
.resizable()
.scaledToFit()
.frame(maxWidth: 468.0)
.clipShape(RoundedRectangle(cornerRadius: 8, style: .continuous))
}
Spacer(minLength: 0)
}
}
ServerAgreementView(text: msg.text)
}
.padding(.vertical, 24)
}
else if msg.type == .server {
ServerMessageView(message: msg.text)
}
else if msg.type == .joined {
ChatJoinedMessageView(message: msg)
}
else if msg.type == .left {
ChatLeftMessageView(message: msg)
}
else if msg.type == .signOut {
ChatDisconnectedMessageView(message: msg)
.padding(.vertical, 24)
}
else {
ChatMessageView(message: msg)
}
}
}
.padding()
VStack(spacing: 0) {}.id(bottomID)
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
// .defaultScrollAnchor(.bottom, for: .initialOffset)
.defaultScrollAnchor(.bottom, for: .alignment)
.defaultScrollAnchor(.bottom, for: .sizeChanges)
.onChange(of: model.chat.count) {
// Re-run search when new messages arrive to keep filter active
if !searchQuery.isEmpty {
performSearch()
}
reader.scrollTo(bottomID, anchor: .bottom)
model.markPublicChatAsRead()
}
.onAppear {
reader.scrollTo(bottomID, anchor: .bottom)
self.focusedField = .chatInput
}
.onChange(of: self.model.bannerImage) {
reader.scrollTo(bottomID, anchor: .bottom)
}
.onChange(of: searchQuery) {
reader.scrollTo(bottomID, anchor: .bottom)
}
.onChange(of: isSearching) {
reader.scrollTo(bottomID, anchor: .bottom)
}
// MARK: Input Divider
Divider()
// MARK: Input Bar
HStack(alignment: .lastTextBaseline, spacing: 0) {
TextField("", text: $bindModel.chatInput, axis: .vertical)
.focused($focusedField, equals: .chatInput)
.textFieldStyle(.plain)
.lineLimit(1...5)
.multilineTextAlignment(.leading)
.onSubmit {
if !model.chatInput.isEmpty {
model.sendChat(model.chatInput, announce: NSEvent.modifierFlags.contains(.shift))
}
model.chatInput = ""
}
.frame(maxWidth: .infinity)
.padding()
}
.frame(maxWidth: .infinity, minHeight: 28)
.padding(EdgeInsets(top: 4, leading: 16, bottom: 4, trailing: 16))
.overlay(alignment: .leadingLastTextBaseline) {
Image(systemName: "chevron.right").fontWeight(.semibold).opacity(0.4).offset(x: 16)
}
.onContinuousHover { phase in
switch phase {
case .active(_):
NSCursor.iBeam.set()
case .ended:
NSCursor.arrow.set()
break
}
}
.onTapGesture(count: 1) {
focusedField = .chatInput
}
}
}
.searchable(text: $searchQuery, isPresented: $isSearching, placement: .toolbar, prompt: "Search")
.background(Button("", action: { isSearching = true }).keyboardShortcut("f").hidden())
}
.background(Color(nsColor: .textBackgroundColor))
// .navigationTitle(model.serverTitle)
.onChange(of: searchQuery) {
performSearch()
}
// .toolbar {
// ToolbarItem(placement: .primaryAction) {
// Button {
// showingExporter = true
// } label: {
// Image(systemName: "square.and.arrow.up")
// }.help("Save Chat...")
// }
// }
// .fileExporter(isPresented: $showingExporter, document: self.chatDocument, contentType: .utf8PlainText, defaultFilename: "\(self.model.serverTitle) Chat.txt") { result in
// switch result {
// case .success(let url):
// print("Saved to \(url)")
//
// case .failure(let error):
// print(error.localizedDescription)
// }
// self.chatDocument.text = ""
// }
}
private func performSearch() {
guard !searchQuery.isEmpty else {
searchResults = []
return
}
searchResults = model.searchChat(query: searchQuery)
}
// private func prepareChatDocument() -> Bool {
// var text: String = String()
//
// self.chatDocument.text = ""
// for msg in model.chat {
// if msg.type == .agreement {
// text.append(msg.text)
// text.append("\n\n")
// }
// else if msg.type == .message {
// if let username = msg.username {
// text.append("\(username): \(msg.text)")
// }
// else {
// text.append(msg.text)
// }
// text.append("\n")
// }
// else if msg.type == .status {
// text.append(msg.text)
// text.append("\n")
// }
// }
//
// if text.isEmpty {
// return false
// }
//
// self.chatDocument.text = text
//
// return true
// }
}
#Preview {
ChatView()
.environment(Hotline(trackerClient: HotlineTrackerClient(), client: HotlineClient()))
}
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