ZacharyZhang-NY
b7fca0146d
ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git), ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.
87 lines
3.2 KiB
Rust
87 lines
3.2 KiB
Rust
//! The annotation list in the side panel (PDF-05).
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use ely_gpui_component::{
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feedback::EmptyState,
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lists::{ListItem, SelectableList},
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primitives::IconName,
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};
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use gpui::{
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AnyElement, App, Entity, InteractiveElement as _, IntoElement, ParentElement as _, StatefulInteractiveElement as _,
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Styled as _, div,
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};
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use crate::annotate::Pick;
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use crate::content::Aim;
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use crate::notes::kind_label;
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use crate::view::PdfView;
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use crate::viewer::Viewer;
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fn key(page: usize, id: u64) -> String {
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format!("{page}:{id}")
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}
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fn parse(key: &str) -> Option<(usize, u64)> {
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let (page, id) = key.split_once(':')?;
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Some((page.parse().ok()?, id.parse().ok()?))
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}
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/// Every annotation, page by page; unread pages are asked.
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pub fn list(view: &Entity<PdfView>, cx: &mut App) -> AnyElement {
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let count = view.read(cx).sizes.len();
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view.update(cx, |view, cx| view.ask_notes(0..count, cx));
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let read = view.read(cx);
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let selected = match read.aim {
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Some(Aim::Note(Pick::Annot { page, id })) => Some(key(page, id)),
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_ => None,
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};
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let mut rows = Vec::new();
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for (page, marks) in (0..count).filter_map(|page| Some((page, read.notes.get(&page)?))) {
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for annot in &marks.annots {
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let place = Viewer::text(cx, "pdf.page.label", &[("n", &(page + 1).to_string())]);
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let mut item = ListItem::new(("pdf-note", annot.id as usize), kind_label(cx, &annot.kind)).detail(place);
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if let Some(first) = annot.contents.lines().find(|line| !line.trim().is_empty()) {
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item = item.description(first.to_string());
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}
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rows.push((key(page, annot.id), item));
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}
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}
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let all_read = (0..count).all(|page| read.notes.contains_key(&page));
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if rows.is_empty() && all_read {
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return EmptyState::new("pdf-notes-none", IconName::File, Viewer::text(cx, "pdf.notes.none", &[])).into_any_element();
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}
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let total = rows.len();
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let picked = view.clone();
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let list = (rows.into_iter().enumerate())
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.fold(SelectableList::new("pdf-notes"), |list, (at, (key, item))| list.row(key, item.place(at + 1, total)))
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.selected(selected)
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.label(Viewer::text(cx, "pdf.side.notes", &[]))
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.on_change(move |keys, _, cx| {
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let Some((page, id)) = keys.first().and_then(|key| parse(key)) else {
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return;
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};
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picked.update(cx, |view, cx| view.pick_note(page, id, cx))
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});
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div().id("pdf-notes-scroll").size_full().overflow_y_scroll().child(list).into_any_element()
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}
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impl PdfView {
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/// Picks annotation `id` and shows where it is.
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pub fn pick_note(&mut self, page: usize, id: u64, cx: &mut gpui::Context<Self>) {
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// Gone with an edit since the list was drawn.
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let Some(top) = self.notes.get(&page).and_then(|m| m.annots.iter().find(|a| a.id == id)).map(|a| a.rect[1]) else {
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return;
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};
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self.aim = Some(Aim::Note(Pick::Annot { page, id }));
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self.show(page, top, cx);
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}
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn row_keys_name_page_and_object() {
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assert_eq!(super::parse(&super::key(3, 41)), Some((3, 41)));
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assert_eq!(super::parse("3"), None);
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}
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}
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