79 lines
2.0 KiB
Rust
79 lines
2.0 KiB
Rust
use std::{io, path::Path, sync::Arc};
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use iced::{
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executor,
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widget::{column, text, text_editor},
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Application, Command, Element, Settings, Theme,
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};
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#[derive(Debug, Clone)]
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enum Message {
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Edit(text_editor::Action),
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FileOpened(Result<Arc<String>, io::ErrorKind>),
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}
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struct BookManagerApp {
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book_content: text_editor::Content,
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}
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impl Application for BookManagerApp {
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type Executor = executor::Default;
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type Flags = ();
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type Message = Message;
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type Theme = Theme;
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fn new(_flags: Self::Flags) -> (Self, Command<Self::Message>) {
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(
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Self {
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book_content: text_editor::Content::new(),
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},
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Command::perform(
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load_file(format!("{}/src/main.rs", env!("CARGO_MANIFEST_DIR"))),
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Message::FileOpened,
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),
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)
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}
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fn title(&self) -> String {
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String::from("Thief Book Manager")
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}
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fn update(&mut self, message: Self::Message) -> Command<Self::Message> {
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match message {
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Message::Edit(action) => self.book_content.perform(action),
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Message::FileOpened(result) => {
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if let Ok(content) = result {
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self.book_content = text_editor::Content::with_text(&content);
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}
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}
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}
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Command::none()
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}
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fn view(&self) -> Element<'_, Self::Message> {
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let hello_world = text("Hello, world!");
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let active_editor = text_editor(&self.book_content).on_action(Message::Edit);
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column![hello_world, active_editor]
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.spacing(10)
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.padding(10)
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.into()
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}
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fn theme(&self) -> Theme {
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Theme::Dark
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}
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}
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fn main() -> iced::Result {
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BookManagerApp::run(Settings::default())
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}
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async fn load_file(path: impl AsRef<Path>) -> Result<Arc<String>, io::ErrorKind> {
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tokio::fs::read_to_string(path)
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.await
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.map(Arc::new)
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.map_err(|error| error.kind())
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}
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