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Hide breadcrumbs when project search has no results

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This commit is contained in:
Antonio Scandurra 2022-04-01 10:00:21 +02:00
parent 9f939bd007
commit 7f9ff47089
4 changed files with 61 additions and 14 deletions
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50
crates/breadcrumbs/src/breadcrumbs.rs
View file

@ -8,16 +8,22 @@ use std::borrow::Cow;
use theme::SyntaxTheme;
use workspace::{ItemHandle, Settings, ToolbarItemLocation, ToolbarItemView};
pub enum Event {
UpdateLocation,
}
pub struct Breadcrumbs {
editor: Option<ViewHandle<Editor>>,
editor_subscription: Option<Subscription>,
project_search: Option<ViewHandle<ProjectSearchView>>,
subscriptions: Vec<Subscription>,
}
impl Breadcrumbs {
pub fn new() -> Self {
Self {
editor: Default::default(),
editor_subscription: Default::default(),
subscriptions: Default::default(),
project_search: Default::default(),
}
}
@ -42,7 +48,7 @@ impl Breadcrumbs {
}
impl Entity for Breadcrumbs {
type Event = ();
type Event = Event;
}
impl View for Breadcrumbs {
@ -90,19 +96,30 @@ impl ToolbarItemView for Breadcrumbs {
cx: &mut ViewContext<Self>,
) -> ToolbarItemLocation {
cx.notify();
self.editor_subscription = None;
self.subscriptions.clear();
self.editor = None;
self.project_search = None;
if let Some(item) = active_pane_item {
if let Some(editor) = item.act_as::<Editor>(cx) {
self.editor_subscription =
Some(cx.subscribe(&editor, |_, _, event, cx| match event {
self.subscriptions
.push(cx.subscribe(&editor, |_, _, event, cx| match event {
editor::Event::BufferEdited => cx.notify(),
editor::Event::SelectionsChanged { local } if *local => cx.notify(),
_ => {}
}));
self.editor = Some(editor);
if item.downcast::<ProjectSearchView>().is_some() {
ToolbarItemLocation::Secondary
if let Some(project_search) = item.downcast::<ProjectSearchView>() {
self.subscriptions
.push(cx.subscribe(&project_search, |_, _, _, cx| {
cx.emit(Event::UpdateLocation);
}));
self.project_search = Some(project_search.clone());
if project_search.read(cx).has_matches() {
ToolbarItemLocation::Secondary
} else {
ToolbarItemLocation::Hidden
}
} else {
ToolbarItemLocation::PrimaryLeft
}
@ -113,4 +130,21 @@ impl ToolbarItemView for Breadcrumbs {
ToolbarItemLocation::Hidden
}
}
fn location_for_event(
&self,
_: &Event,
current_location: ToolbarItemLocation,
cx: &AppContext,
) -> ToolbarItemLocation {
if let Some(project_search) = self.project_search.as_ref() {
if project_search.read(cx).has_matches() {
ToolbarItemLocation::Secondary
} else {
ToolbarItemLocation::Hidden
}
} else {
current_location
}
}
}