142 lines
4.4 KiB
Rust
142 lines
4.4 KiB
Rust
use std::marker::PhantomData;
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use std::path::PathBuf;
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use gpui3::Div;
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use crate::prelude::*;
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use crate::{h_stack, HighlightedText};
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#[derive(Clone)]
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pub struct Symbol(pub Vec<HighlightedText>);
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#[derive(Element)]
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pub struct Breadcrumb<S: 'static + Send + Sync + Clone> {
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state_type: PhantomData<S>,
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path: PathBuf,
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symbols: Vec<Symbol>,
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}
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impl<S: 'static + Send + Sync + Clone> Breadcrumb<S> {
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pub fn new(path: PathBuf, symbols: Vec<Symbol>) -> Self {
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Self {
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state_type: PhantomData,
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path,
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symbols,
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}
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}
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fn render_separator(&self, theme: &Theme) -> Div<S> {
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div()
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.child(" › ")
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.text_color(HighlightColor::Default.hsla(theme))
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}
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fn render(
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&mut self,
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view_state: &mut S,
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cx: &mut ViewContext<S>,
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) -> impl Element<ViewState = S> {
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let theme = theme(cx);
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let symbols_len = self.symbols.len();
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h_stack()
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.px_1()
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// TODO: Read font from theme (or settings?).
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.font("Zed Mono Extended")
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.text_sm()
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.text_color(theme.middle.base.default.foreground)
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.rounded_md()
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.hover(|style| style.bg(theme.highest.base.hovered.background))
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.child(self.path.clone().to_str().unwrap().to_string())
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.child(if !self.symbols.is_empty() {
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self.render_separator(&theme)
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} else {
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div()
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})
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.child(
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div().flex().children(
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self.symbols
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.iter()
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.enumerate()
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// TODO: Could use something like `intersperse` here instead.
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.flat_map(|(ix, symbol)| {
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let mut items =
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vec![div().flex().children(symbol.0.iter().map(|segment| {
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div().child(segment.text.clone()).text_color(segment.color)
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}))];
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let is_last_segment = ix == symbols_len - 1;
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if !is_last_segment {
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items.push(self.render_separator(&theme));
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}
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items
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})
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.collect::<Vec<_>>(),
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),
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)
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}
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}
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#[cfg(feature = "stories")]
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pub use stories::*;
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#[cfg(feature = "stories")]
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mod stories {
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use std::str::FromStr;
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use crate::Story;
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use super::*;
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#[derive(Element)]
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pub struct BreadcrumbStory<S: 'static + Send + Sync + Clone> {
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state_type: PhantomData<S>,
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}
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impl<S: 'static + Send + Sync + Clone> BreadcrumbStory<S> {
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pub fn new() -> Self {
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Self {
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state_type: PhantomData,
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}
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}
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fn render(
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&mut self,
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view_state: &mut S,
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cx: &mut ViewContext<S>,
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) -> impl Element<ViewState = S> {
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let theme = theme(cx);
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Story::container(cx)
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.child(Story::title_for::<_, Breadcrumb<S>>(cx))
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.child(Story::label(cx, "Default"))
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.child(Breadcrumb::new(
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PathBuf::from_str("crates/ui/src/components/toolbar.rs").unwrap(),
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vec![
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Symbol(vec![
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HighlightedText {
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text: "impl ".to_string(),
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color: HighlightColor::Keyword.hsla(&theme),
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},
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HighlightedText {
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text: "BreadcrumbStory".to_string(),
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color: HighlightColor::Function.hsla(&theme),
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},
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]),
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Symbol(vec![
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HighlightedText {
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text: "fn ".to_string(),
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color: HighlightColor::Keyword.hsla(&theme),
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},
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HighlightedText {
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text: "render".to_string(),
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color: HighlightColor::Function.hsla(&theme),
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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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}
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