krz/libre-edit
A free and private text editor for iOS.
clone: git clone https://gitbay.org/krz/libre-edit.git
b5a5dc8963dbd73d30c188eb9f3018add76a2c06
verified · cmc
author: Christian Cleberg <hello@cleberg.net> · 2024-01-14T17:09:32Z
LibreEdit/ContentView.swift | 136 +++++++++++++++++-------------------------- LibreEdit/LibreEditApp.swift | 4 +- 2 files changed, 56 insertions(+), 84 deletions(-) @@ -6,104 +6,81 @@ // import SwiftUI +import UniformTypeIdentifiers -func getDatetime() -> String { - let dateFormatter = DateFormatter() - let enUSPosixLocale = Locale(identifier: "en_US_POSIX") - dateFormatter.locale = enUSPosixLocale - dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ssZZZZZ" - dateFormatter.calendar = Calendar(identifier: .gregorian) +struct TextFile: FileDocument { + // tell the system we support only plain text + static var readableContentTypes = [UTType.plainText] - let iso8601String = dateFormatter.string(from: Date()) + // by default our document is empty + var text = "" - return iso8601String + // a simple initializer that creates new, empty documents + init(initialText: String = "") { + text = initialText + } + + // this initializer loads data that has been saved previously + init(configuration: ReadConfiguration) throws { + if let data = configuration.file.regularFileContents { + text = String(decoding: data, as: UTF8.self) + } else { + throw CocoaError(.fileReadCorruptFile) + } + } + + // this will be called when the system wants to write our data to disk + func fileWrapper(configuration: WriteConfiguration) throws -> FileWrapper { + let data = Data(text.utf8) + return FileWrapper(regularFileWithContents: data) + } } -// Ensure that `Supports Document Browser` = YES in the `ios-edit.xcodeproj` file, -// so that users can browse saved files in the Files app -func getDocumentsDirectory() -> URL { - let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask) - let documentsDirectory = paths[0] - return documentsDirectory +func countWords(text: String) -> Int { + let words = text.split { $0 == " " || $0.isNewline } + return words.count } struct ContentView: View { - enum FocusedField { - case content - } - - @State private var content = "" - @State private var wordCount: Int = 0 + @Binding var document: TextFile @State private var showingPopover = false - @FocusState private var focusedField: FocusedField? - + @State private var wordCount: Int = 0 + var body: some View { - NavigationView { - VStack(alignment: .leading) { - Text("\(wordCount) words") - .font(.headline) - .foregroundColor(.secondary) - .padding(.trailing) - TextEditor(text: $content) - .onChange(of: content) { - let words = content.split { $0 == " " || $0.isNewline } - self.wordCount = words.count - } - .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity) - .focused($focusedField, equals: .content) - } + Text("\(wordCount) words") + .foregroundColor(Color.white) + .font(.headline) + .padding(.trailing) + .frame(maxWidth: .infinity, maxHeight: 50) + .background(Color.gray.opacity(0.3)) + .padding(.top, 20) + TextEditor(text: $document.text) .onAppear { - focusedField = .content + self.wordCount = countWords(text: document.text) + } + .onChange(of: document.text) { + self.wordCount = countWords(text: document.text) } - .padding() - .navigationTitle("Libre Edit") .toolbar { - ToolbarItemGroup(placement: .primaryAction) { - Button(action: { - do { - let data = Data(self.content.utf8) - let url = URL.documentsDirectory.appending(path: (getDatetime() + ".txt")) - try data.write(to: url, options: [.atomic, .completeFileProtection]) - - // TODO: Alerts currently aren't working/aren't visible - Text("File saved successfully!") - .foregroundColor(.white) - .bold() - .font(.footnote) - .frame(width: 140, height: 30) - .background(Color.indigo.cornerRadius(7)) - print("Saved content to file: \(url)") - } catch { - // TODO: Alerts currently aren't working/aren't visible - Text("Failed to save file.") - .foregroundColor(.white) - .bold() - .font(.footnote) - .frame(width: 140, height: 30) - .background(Color.red.cornerRadius(7)) - print("Error saving content to file: \(error)") - } - }) { - Text("Save") - } - // TODO: Confirm (possibly save) & then clear TextEditor - Button(action: { - print("TODO: This will create a new note.") - }) { - Text("New") - } - } ToolbarItemGroup(placement: .secondaryAction) { Button { showingPopover = true } label: { - Text("App Info") + Text("More Info") }.popover(isPresented: $showingPopover) { VStack(alignment: .leading) { - Text("App Info") + Text("More Info") .font(.largeTitle) Text("") - Text("Libre Edit is a free and open source text editor for iOS built by [Christian Cleberg](https://cleberg.net).") + Text("Instructions") + .font(.title) + Text("") + Text("LibreEdit provides a direct interface with the Apple Files app on your iPhone. Simply navigate to your preferred directory, edit existing files, or create new files!") + Text("") + Text("Developer") + .font(.title) + Text("") + Text("LibreEdit is a free and open source text editor for iOS built by [Christian Cleberg](https://cleberg.net).") Text("") Text("Visit the [GitHub Repository](https://github.com/ccleberg/ios-edit) to view the source code.") Text("") @@ -114,10 +91,5 @@ struct ContentView: View { } } } - } } } - -#Preview { - ContentView() -} @@ -10,8 +10,8 @@ import SwiftUI @main struct LibreEditApp: App { var body: some Scene { - WindowGroup { - ContentView() + DocumentGroup(newDocument: TextFile()) { file in + ContentView(document: file.$document) } } }