Products/FastWave2.0
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file picker + show_open_file_picker

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This commit is contained in:
Martin Kavík 2024-06-03 19:11:22 +02:00
parent 6cdccb72b2
commit ce36cd914f
13 changed files with 702 additions and 110 deletions
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41
frontend/src/platform/browser.rs
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@ -1,7 +1,7 @@
use shared::wellen_helpers;
use std::sync::Mutex;
use wellen::simple::Waveform;
use zoon::*;
use zoon::{println, *};
#[derive(Default)]
struct Store {
@ -12,19 +12,40 @@ static STORE: Lazy<Store> = lazy::default();
pub(super) async fn show_window() {}
pub(super) async fn load_waveform(test_file_name: &'static str) {
static SIMPLE_VCD: &'static [u8; 311] = include_bytes!("../../../test_files/simple.vcd");
// static WAVE_27_FST: &'static [u8; 28860652] = include_bytes!("../../../test_files/wave_27.fst");
let chosen_file = match test_file_name {
"simple.vcd" => SIMPLE_VCD.to_vec(),
// "wave_27.fst" => WAVE_27_FST.to_vec(),
test_file_name => todo!("add {test_file_name} to the `test_files` folder"),
pub(super) async fn pick_and_load_waveform() -> Option<super::Filename> {
let file_handles_promise = window().show_open_file_picker().expect_throw(
"failed to open file picker (browser has to support `showOpenFilePicker` and use HTTPS",
);
let file_handles = JsFuture::from(file_handles_promise).await;
let file_handles = match file_handles {
Ok(file_handles) => file_handles.dyn_into::<js_sys::Array>().unwrap_throw(),
Err(error) => {
println!("file picker error: {error:?}");
return None;
}
};
let waveform = wellen_helpers::read_from_bytes(chosen_file);
let file_handle = file_handles
.at(0)
.dyn_into::<web_sys::FileSystemFileHandle>()
.unwrap_throw();
let file = JsFuture::from(file_handle.get_file())
.await
.unwrap_throw()
.dyn_into::<web_sys::File>()
.unwrap_throw();
let file = gloo_file::File::from(file);
let content = gloo_file::futures::read_as_bytes(&file)
.await
.unwrap_throw();
let waveform = wellen_helpers::read_from_bytes(content);
let Ok(waveform) = waveform else {
panic!("VCD file reading failed")
panic!("Waveform file reading failed")
};
*STORE.waveform.lock().unwrap_throw() = Some(waveform);
Some(file.name())
}
pub(super) async fn get_hierarchy() -> wellen::Hierarchy {