Web files: designs live in the browser (OPFS), files come in by picker or drop and go out as downloads
- solvecraft_io::vfs: the engine's file access (disk natively; in the browser an in-memory set of files the host loads and stores). File commands and write_atomic go through it. - Web host (apps/solvecraft-web/src/files.rs): stored designs are read from OPFS at start (storage.persist() asked for) and written back when a command writes one; Save/Save As keep designs in the browser, exports (STEP, STL, 3MF, OBJ, ...) download as files. - File > Open shows "Files in this browser": open, insert, rename, download, delete, plus open or insert from the computer (showOpenFilePicker where there is one, an <input type=file> otherwise). Files dropped on the page are inserted or opened. - Unsaved work is autosaved to OPFS and offered again after a reload or crash. - Start page recents come from the stored designs, with thumbnails. In the browser the samples are built when opened (a picture blocks the page there, and a kernel panic can't be caught). - Pages without OPFS (http on a network address, old browsers) keep designs in local storage. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
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bherbruckandClaude Opus 5.5 committed
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@@ -6,30 +6,304 @@
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//! sample part.
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#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]
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#[cfg(target_arch = "wasm32")]
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mod files;
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#[cfg(target_arch = "wasm32")]
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mod web {
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use std::rc::Rc;
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use solvecraft_engine::Session;
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use solvecraft_engine::io::vfs;
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use solvecraft_ui_egui::{Services, SolveApp};
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use wasm_bindgen::JsCast as _;
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use crate::files::{self, Files, Intent};
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const CANVAS_ID: &str = "solvecraft_canvas";
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const LOADING_ID: &str = "solvecraft_loading";
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const DEPTH_BITS: u8 = 24;
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struct Shell(SolveApp);
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/// Seconds between autosaves of unsaved work.
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const AUTOSAVE_S: f64 = 30.0;
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struct Shell {
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app: SolveApp,
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files: Rc<Files>,
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/// When the last autosave was (seconds), and the revision it holds (none stored: `None`).
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autosaved_at: f64,
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autosaved: Option<u64>,
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/// A stored design being renamed: (its name, the new name).
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renaming: Option<(String, String)>,
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/// The rename field takes the keyboard when it appears.
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rename_focus: bool,
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/// The start page's recent designs were filled from the stored ones.
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recents_synced: bool,
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}
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impl Shell {
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/// Files from the computer, writes to store, messages and the autosave.
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fn files_tick(&mut self, ctx: &egui::Context) {
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if self.files.ctx.borrow().is_none() {
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*self.files.ctx.borrow_mut() = Some(ctx.clone());
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}
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files::flush(&self.files);
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for (text, error) in self.files.messages.borrow_mut().drain(..) {
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self.app.set_status(text, error);
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}
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let incoming: Vec<_> = self.files.incoming.borrow_mut().drain(..).collect();
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for (name, bytes, intent) in incoming {
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let design = name.ends_with(&format!(".{}", solvecraft_engine::io::DESIGN_EXT));
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let path = if design && intent == Intent::Open {
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// A design from the computer is kept in the browser (a copy), so Save works.
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let path = files::free_name(&name);
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if let Err(e) = vfs::write(&path, &bytes) {
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self.app.set_status(e.to_string(), true);
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}
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files::flush(&self.files);
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path
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} else {
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let path = format!("{}{name}", files::UPLOAD);
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vfs::insert(&path, bytes);
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path
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};
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match intent {
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Intent::Open => self.app.open_path(&path),
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Intent::Insert => self.app.drop_path(&path),
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}
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self.files.panel.set(false);
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}
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if self.files.ready.get() && !self.recents_synced {
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self.recents_synced = true;
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self.sync_recents();
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}
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let now = ctx.input(|i| i.time);
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// Unsaved work is kept (at most every AUTOSAVE_S); saved work needs no autosave.
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if self.files.ready.get() && self.files.recovery.borrow().is_none() {
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let s = &self.app.session;
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let changed = s.is_dirty() && self.autosaved != Some(s.revision);
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let wait = AUTOSAVE_S - (now - self.autosaved_at);
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if changed && wait <= 0.0 {
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files::autosave(&self.files, Some((&s.doc, s.path.as_deref())));
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self.autosaved = Some(s.revision);
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self.autosaved_at = now;
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} else if changed {
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// Come back for it even when nothing else happens.
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ctx.request_repaint_after(std::time::Duration::from_secs_f64(wait));
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} else if !s.is_dirty() && self.autosaved.is_some() {
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files::autosave(&self.files, None);
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self.autosaved = None;
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}
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}
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if !self.files.ready.get() || !self.files.incoming.borrow().is_empty() {
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ctx.request_repaint_after(std::time::Duration::from_millis(100));
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}
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}
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/// The start page's recent designs are the stored ones: the remembered order first (those
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/// still stored), then the others, newest first.
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fn sync_recents(&mut self) {
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let mut entries = self.files.entries.borrow().clone();
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entries.sort_by(|a, b| b.modified.total_cmp(&a.modified));
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let recent = &mut self.app.home.recent;
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recent.retain(|p| vfs::exists(p));
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for e in entries.iter().filter(|e| e.name.ends_with(&format!(".{}", solvecraft_engine::io::DESIGN_EXT))) {
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let p = format!("{}{}", files::OPFS, e.name);
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if !recent.contains(&p) {
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recent.push(p);
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}
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}
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recent.truncate(solvecraft_ui_egui::home::MAX_RECENT);
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}
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/// The stored designs: open, insert, rename, delete, download; open from the computer.
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fn file_panel(&mut self, ctx: &egui::Context) {
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if !self.files.panel.get() {
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return;
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}
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let mut open = true;
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let mut act: Option<(&'static str, String)> = None;
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egui::Window::new("Files in this browser")
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.open(&mut open)
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.collapsible(false)
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.resizable(true)
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.default_width(520.0)
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.pivot(egui::Align2::CENTER_CENTER)
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.default_pos(ctx.content_rect().center())
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.show(ctx, |ui| {
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ui.horizontal(|ui| {
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if ui.button("Open from computer…").clicked() {
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files::pick_from_disk(&self.files, Intent::Open);
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}
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if ui.button("Insert from computer…").on_hover_text("STEP, 3MF or STL into the open design").clicked() {
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files::pick_from_disk(&self.files, Intent::Insert);
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}
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if ui.button("Download open design").clicked() {
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act = Some(("download_open", String::new()));
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}
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});
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ui.separator();
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if !self.files.ready.get() {
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ui.horizontal(|ui| {
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ui.spinner();
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ui.label("Reading the browser's storage…");
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});
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return;
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}
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let entries = self.files.entries.borrow().clone();
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if entries.is_empty() {
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ui.label("Designs you save appear here. They stay in this browser.");
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}
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egui::ScrollArea::vertical().max_height(360.0).show(ui, |ui| {
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egui::Grid::new("opfs_files").num_columns(3).spacing([12.0, 6.0]).show(ui, |ui| {
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for e in &entries {
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match &mut self.renaming {
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Some((from, to)) if *from == e.name => {
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let r = ui.add(egui::TextEdit::singleline(to).desired_width(200.0));
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if std::mem::take(&mut self.rename_focus) {
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r.request_focus();
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}
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if r.lost_focus() {
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act = Some(if ui.input(|i| i.key_pressed(egui::Key::Enter)) {
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("rename", to.clone())
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} else {
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("rename_cancel", String::new())
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});
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}
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}
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_ => {
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ui.label(&e.name);
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}
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}
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ui.label(format!("{:.1} KB", e.size as f64 / 1024.0));
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ui.horizontal(|ui| {
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if ui.small_button("Open").clicked() {
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act = Some(("open", e.name.clone()));
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}
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let design = e.name.ends_with(&format!(".{}", solvecraft_engine::io::DESIGN_EXT));
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if !design && ui.small_button("Insert").on_hover_text("Into the open design (STEP, 3MF, STL)").clicked() {
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act = Some(("insert", e.name.clone()));
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}
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if ui.small_button("Rename").clicked() {
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self.renaming = Some((e.name.clone(), e.name.clone()));
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self.rename_focus = true;
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}
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if ui.small_button("Download").clicked() {
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act = Some(("download", e.name.clone()));
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}
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if ui.small_button("Delete").clicked() {
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act = Some(("delete", e.name.clone()));
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}
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});
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ui.end_row();
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}
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});
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});
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});
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if !open {
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self.files.panel.set(false);
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self.renaming = None;
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}
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let Some((what, name)) = act else { return };
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let path = format!("{}{name}", files::OPFS);
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match what {
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"open" => {
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self.app.open_path(&path);
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self.files.panel.set(false);
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}
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"insert" => {
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self.app.insert_path(&path);
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self.files.panel.set(false);
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}
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"download" => match vfs::read(&path) {
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Ok(b) => {
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if let Err(e) = files::download(&name, &b) {
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self.app.set_status(e, true);
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}
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}
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Err(e) => self.app.set_status(e.to_string(), true),
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},
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"download_open" => {
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let d = &self.app.session.doc;
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let bytes = solvecraft_engine::io::write_design(d);
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if let Err(e) = files::download(&format!("{}.{}", d.name, solvecraft_engine::io::DESIGN_EXT), &bytes) {
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self.app.set_status(e, true);
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}
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}
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"delete" => {
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files::delete(&self.files, &name);
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self.app.home.recent.retain(|r| *r != path);
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}
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"rename_cancel" => self.renaming = None,
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"rename" => {
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if let Some((from, _)) = self.renaming.take() {
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match files::rename(&self.files, &from, &name) {
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Ok(()) => {
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// Recent designs follow the new name.
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let (old, new) = (format!("{}{from}", files::OPFS), format!("{}{name}", files::OPFS));
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for r in &mut self.app.home.recent {
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if *r == old {
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*r = new.clone();
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}
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}
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}
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Err(e) => self.app.set_status(e, true),
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}
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}
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}
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_ => {}
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}
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}
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/// Offer the autosave an earlier session left.
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fn recovery_prompt(&mut self, ctx: &egui::Context) {
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let Some((name, path)) = self.files.recovery.borrow().clone() else { return };
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let mut answer = None;
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egui::Window::new("Recover unsaved work?").collapsible(false).resizable(false).anchor(egui::Align2::CENTER_CENTER, [0.0, 0.0]).show(
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ctx,
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|ui| {
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ui.label(format!("“{name}” had unsaved changes when this page last closed."));
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ui.horizontal(|ui| {
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if ui.button("Recover").clicked() {
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answer = Some(true);
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}
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if ui.button("Discard").clicked() {
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answer = Some(false);
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}
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});
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},
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);
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let Some(recover) = answer else { return };
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*self.files.recovery.borrow_mut() = None;
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if recover {
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self.app.open_path(&files::recovery_path());
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// It belongs to its own file again (saving goes there); it is unsaved.
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self.app.session.path = path;
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self.app.session.doc_mut().name = name;
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self.app.session.mark_unsaved();
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self.app.home.open = false;
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}
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files::autosave(&self.files, None);
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}
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}
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impl eframe::App for Shell {
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fn logic(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
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self.0.logic(ctx);
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self.app.logic(ctx);
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self.files_tick(ctx);
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}
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fn raw_input_hook(&mut self, _ctx: &egui::Context, raw: &mut egui::RawInput) {
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self.0.raw_input_hook(raw);
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files::take_drops(&self.files, raw);
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self.app.raw_input_hook(raw);
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}
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fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
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self.0.ui(ui);
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self.app.ui(ui);
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let ctx = ui.ctx().clone();
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self.file_panel(&ctx);
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self.recovery_prompt(&ctx);
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}
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fn save(&mut self, storage: &mut dyn eframe::Storage) {
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storage.set_string(PREFS_KEY, self.0.prefs());
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storage.set_string(PREFS_KEY, self.app.prefs());
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}
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}
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@@ -59,7 +333,23 @@ mod web {
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canvas,
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options,
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Box::new(move |cc| {
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let mut app = SolveApp::new(Session::default(), Services::default());
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let files = Rc::new(Files::default());
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files::start(&files);
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let panel = files.clone();
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let services = Services {
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// Open shows the browser's files (and the computer's, from there).
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pick_open: Some(Box::new(move || {
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panel.panel.set(true);
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None
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})),
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// Designs are kept in the browser; everything else is downloaded.
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pick_save: Some(Box::new(|name: &str, exts: &[&str]| {
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let design = exts.contains(&solvecraft_engine::io::DESIGN_EXT);
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Some(format!("{}{name}", if design { files::OPFS } else { files::DOWNLOADS }))
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})),
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..Default::default()
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};
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let mut app = SolveApp::new(Session::default(), services);
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if let Some(p) = cc.storage.and_then(|s| s.get_string(PREFS_KEY)) {
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app.load_prefs(&p);
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}
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@@ -73,7 +363,19 @@ mod web {
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app.session.doc_mut().name = "Sample Plate".into();
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app.session.mark_saved();
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}
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Ok(Box::new(Shell(app)))
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if !query().contains("sample") {
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let rev = app.session.revision;
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app.home.show(rev);
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}
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Ok(Box::new(Shell {
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app,
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files,
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autosaved_at: f64::NEG_INFINITY,
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autosaved: None,
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renaming: None,
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rename_focus: false,
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recents_synced: false,
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}))
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}),
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)
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.await;
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