Sources/NotesView.swift - master - KellerDmitry/KellerNotch

Sources/NotesView.swift
116 строк3 KB
Keller Dmitry
feat: Implement Clipboard Management System with Notch Panel UI
06 авг 2026, 15:57
06 авг 2026, 15:57bcecb15
import SwiftUI

struct Note: Identifiable, Codable, Hashable {
    var id = UUID()
    var text = ""
    var date = Date.now

    var title: String {
        let first = text.split(separator: "\n", maxSplits: 1).first.map(String.init) ?? ""
        return first.isEmpty ? "Без названия" : first
    }
}

@MainActor
@Observable
final class NotesStore {
    var notes: [Note] = JSONStore.load([Note].self, from: "notes.json") ?? []

    private var saveTask: Task<Void, Never>?

    func add() -> Note {
        let note = Note()
        notes.insert(note, at: 0)
        flush()
        return note
    }

    func delete(_ note: Note) {
        notes.removeAll { $0.id == note.id }
        flush()
    }

    /// Печатаем — не пишем файл на каждую букву.
    func scheduleSave() {
        saveTask?.cancel()
        saveTask = Task {
            try? await Task.sleep(for: .seconds(1))
            guard !Task.isCancelled else { return }
            flush()
        }
    }

    func flush() {
        saveTask?.cancel()
        saveTask = nil
        JSONStore.save(notes, to: "notes.json")
    }
}

struct NotesView: View {
    @Bindable var store: NotesStore
    @State private var selection: Note.ID?

    private var selectedIndex: Int? {
        store.notes.firstIndex { $0.id == selection }
    }

    var body: some View {
        HSplitView {
            list
                .frame(minWidth: 170, idealWidth: 190, maxWidth: 240)
            editor
                .frame(maxWidth: .infinity, maxHeight: .infinity)
        }
    }

    private var list: some View {
        VStack(spacing: 0) {
            HStack {
                Text("Заметки").font(.headline)
                Spacer()
                Button {
                    selection = store.add().id
                } label: {
                    Image(systemName: "square.and.pencil")
                }
                .buttonStyle(.plain)
            }
            .padding(.horizontal, 10)
            .padding(.vertical, 6)

            List(store.notes, selection: $selection) { note in
                VStack(alignment: .leading, spacing: 2) {
                    Text(note.title).lineLimit(1)
                    Text(note.date, format: .dateTime.day().month().hour().minute())
                        .font(.caption2)
                        .foregroundStyle(.secondary)
                }
                .tag(note.id)
                .contextMenu {
                    Button("Удалить", role: .destructive) { store.delete(note) }
                }
            }
            .scrollContentBackground(.hidden)
        }
    }

    @ViewBuilder
    private var editor: some View {
        if let index = selectedIndex {
            TextEditor(text: Binding(
                get: { store.notes[index].text },
                set: {
                    store.notes[index].text = $0
                    store.notes[index].date = .now
                    store.scheduleSave()
                }
            ))
            .font(.body)
            .scrollContentBackground(.hidden)
            .padding(8)
        } else {
            ContentUnavailableView("Выбери заметку", systemImage: "note.text")
        }
    }
}