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|
use std::path::PathBuf;
use iced::theme::{Base, Mode, Theme};
use iced::{Task, window};
use rust_format::{Formatter, PostProcess, PrettyPlease};
use serde::{Deserialize, Serialize};
use smol::fs;
use super::rendered_element::RenderedElement;
use crate::Error;
use crate::appearance::iced_theme_from_str;
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Project {
pub title: Option<String>,
pub theme: Option<String>,
pub element_tree: Option<RenderedElement>,
}
impl Default for Project {
fn default() -> Self {
Self::new()
}
}
impl Project {
pub fn new() -> Self {
Self {
title: None,
theme: None,
element_tree: None,
}
}
pub fn get_theme(&self, mode: Mode) -> Theme {
self.theme
.as_ref()
.and_then(|theme| iced_theme_from_str(theme))
.unwrap_or_else(|| Theme::default(mode))
}
pub async fn from_path(path: PathBuf) -> Result<(PathBuf, Self), Error> {
let contents = fs::read_to_string(&path).await?;
let project: Self = serde_json::from_str(&contents)?;
Ok((path, project))
}
pub fn from_file() -> Task<Result<(PathBuf, Self), Error>> {
window::latest()
.and_then(|id| {
window::run(id, |window| {
rfd::AsyncFileDialog::new()
.set_parent(window)
.set_title("Open a JSON file...")
.add_filter("*.json, *.JSON", &["json", "JSON"])
.pick_file()
})
})
.then(Task::future)
.map(|picked_file| picked_file.ok_or(Error::DialogClosed))
.and_then(|picked_file| {
Task::future(Self::from_path(picked_file.path().to_owned()))
})
}
pub fn write_to_file(
&self,
path: Option<PathBuf>,
) -> Task<Result<PathBuf, Error>> {
let path = if let Some(p) = path {
Task::done(Ok(p))
} else {
window::latest()
.and_then(|id| {
window::run(id, |window| {
rfd::AsyncFileDialog::new()
.set_parent(window)
.set_title("Save to JSON file...")
.add_filter("*.json, *.JSON", &["json", "JSON"])
.save_file()
})
})
.then(Task::future)
.map(|picked_file| picked_file.ok_or(Error::DialogClosed))
.and_then(|picked_file| {
Task::done(Ok(picked_file.path().to_owned()))
})
};
let contents = serde_json::to_string(self).map_err(Error::from);
path.and_then(move |path| {
Task::done(contents.clone().map(|contents| {
let path = path.clone();
async move {
fs::write(path.clone(), contents)
.await
.map(|_| path)
.map_err(Error::from)
}
}))
})
.and_then(Task::future)
.and_then(move |path| Task::done(Ok(path)))
}
pub fn app_code(&mut self, theme_mode: Mode) -> Result<String, Error> {
use iced::debug;
let codegen = debug::time("Code Generation");
let result = match self.element_tree {
Some(ref element_tree) => {
let (imports, view) = element_tree.codegen();
let theme = self.get_theme(theme_mode);
let app_code = format!(
r#"// Automatically generated by iced Builder
use iced::{{widget::{{{imports}}},Element}};
_blank_!();
fn main() -> iced::Result {{
iced::application(State::default, State::update, State::view).title("{title}").theme(State::theme).run()
}}
_blank_!();
#[derive(Default)]
struct State;
_blank_!();
#[derive(Debug, Clone)]
enum Message {{}}
_blank_!();
impl State {{
fn update(&mut self, _message: Message) {{
// Insert your desired update logic here
}}
_blank_!();
fn theme(&self) -> iced::Theme {{
iced::Theme::{theme}
}}
_blank_!();
fn view(&self) -> Element<Message> {{
{view}.into()
}}
}}"#,
title = match self.title {
Some(ref t) => t,
None => "New app",
},
theme = theme.to_string().replace(" ", "")
);
let config = rust_format::Config::new_str()
.post_proc(PostProcess::ReplaceMarkers);
Ok(PrettyPlease::from_config(config).format_str(&app_code)?)
}
None => Err("No element tree present".into()),
};
codegen.finish();
result
}
}
|
