1use std::path::Path;
2use std::sync::atomic::AtomicBool;
3use std::sync::Arc;
4
5use fuzzy::PathMatch;
6use gpui::{AppContext, DismissEvent, FocusHandle, FocusableView, Task, View, WeakModel, WeakView};
7use picker::{Picker, PickerDelegate};
8use project::{PathMatchCandidateSet, ProjectPath, WorktreeId};
9use ui::{prelude::*, ListItem, Tooltip};
10use util::ResultExt as _;
11use workspace::Workspace;
12
13use crate::context_picker::{ConfirmBehavior, ContextPicker};
14use crate::context_store::{ContextStore, FileInclusion};
15
16pub struct FileContextPicker {
17 picker: View<Picker<FileContextPickerDelegate>>,
18}
19
20impl FileContextPicker {
21 pub fn new(
22 context_picker: WeakView<ContextPicker>,
23 workspace: WeakView<Workspace>,
24 context_store: WeakModel<ContextStore>,
25 confirm_behavior: ConfirmBehavior,
26 cx: &mut ViewContext<Self>,
27 ) -> Self {
28 let delegate = FileContextPickerDelegate::new(
29 context_picker,
30 workspace,
31 context_store,
32 confirm_behavior,
33 );
34 let picker = cx.new_view(|cx| Picker::uniform_list(delegate, cx));
35
36 Self { picker }
37 }
38}
39
40impl FocusableView for FileContextPicker {
41 fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
42 self.picker.focus_handle(cx)
43 }
44}
45
46impl Render for FileContextPicker {
47 fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
48 self.picker.clone()
49 }
50}
51
52pub struct FileContextPickerDelegate {
53 context_picker: WeakView<ContextPicker>,
54 workspace: WeakView<Workspace>,
55 context_store: WeakModel<ContextStore>,
56 confirm_behavior: ConfirmBehavior,
57 matches: Vec<PathMatch>,
58 selected_index: usize,
59}
60
61impl FileContextPickerDelegate {
62 pub fn new(
63 context_picker: WeakView<ContextPicker>,
64 workspace: WeakView<Workspace>,
65 context_store: WeakModel<ContextStore>,
66 confirm_behavior: ConfirmBehavior,
67 ) -> Self {
68 Self {
69 context_picker,
70 workspace,
71 context_store,
72 confirm_behavior,
73 matches: Vec::new(),
74 selected_index: 0,
75 }
76 }
77
78 fn search(
79 &mut self,
80 query: String,
81 cancellation_flag: Arc<AtomicBool>,
82 workspace: &View<Workspace>,
83 cx: &mut ViewContext<Picker<Self>>,
84 ) -> Task<Vec<PathMatch>> {
85 if query.is_empty() {
86 let workspace = workspace.read(cx);
87 let project = workspace.project().read(cx);
88 let recent_matches = workspace
89 .recent_navigation_history(Some(10), cx)
90 .into_iter()
91 .filter_map(|(project_path, _)| {
92 let worktree = project.worktree_for_id(project_path.worktree_id, cx)?;
93 Some(PathMatch {
94 score: 0.,
95 positions: Vec::new(),
96 worktree_id: project_path.worktree_id.to_usize(),
97 path: project_path.path,
98 path_prefix: worktree.read(cx).root_name().into(),
99 distance_to_relative_ancestor: 0,
100 is_dir: false,
101 })
102 });
103
104 let file_matches = project.worktrees(cx).flat_map(|worktree| {
105 let worktree = worktree.read(cx);
106 let path_prefix: Arc<str> = worktree.root_name().into();
107 worktree.files(true, 0).map(move |entry| PathMatch {
108 score: 0.,
109 positions: Vec::new(),
110 worktree_id: worktree.id().to_usize(),
111 path: entry.path.clone(),
112 path_prefix: path_prefix.clone(),
113 distance_to_relative_ancestor: 0,
114 is_dir: false,
115 })
116 });
117
118 Task::ready(recent_matches.chain(file_matches).collect())
119 } else {
120 let worktrees = workspace.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
121 let candidate_sets = worktrees
122 .into_iter()
123 .map(|worktree| {
124 let worktree = worktree.read(cx);
125
126 PathMatchCandidateSet {
127 snapshot: worktree.snapshot(),
128 include_ignored: worktree
129 .root_entry()
130 .map_or(false, |entry| entry.is_ignored),
131 include_root_name: true,
132 candidates: project::Candidates::Files,
133 }
134 })
135 .collect::<Vec<_>>();
136
137 let executor = cx.background_executor().clone();
138 cx.foreground_executor().spawn(async move {
139 fuzzy::match_path_sets(
140 candidate_sets.as_slice(),
141 query.as_str(),
142 None,
143 false,
144 100,
145 &cancellation_flag,
146 executor,
147 )
148 .await
149 })
150 }
151 }
152}
153
154impl PickerDelegate for FileContextPickerDelegate {
155 type ListItem = ListItem;
156
157 fn match_count(&self) -> usize {
158 self.matches.len()
159 }
160
161 fn selected_index(&self) -> usize {
162 self.selected_index
163 }
164
165 fn set_selected_index(&mut self, ix: usize, _cx: &mut ViewContext<Picker<Self>>) {
166 self.selected_index = ix;
167 }
168
169 fn placeholder_text(&self, _cx: &mut WindowContext) -> Arc<str> {
170 "Search files…".into()
171 }
172
173 fn update_matches(&mut self, query: String, cx: &mut ViewContext<Picker<Self>>) -> Task<()> {
174 let Some(workspace) = self.workspace.upgrade() else {
175 return Task::ready(());
176 };
177
178 let search_task = self.search(query, Arc::<AtomicBool>::default(), &workspace, cx);
179
180 cx.spawn(|this, mut cx| async move {
181 // TODO: This should be probably be run in the background.
182 let paths = search_task.await;
183
184 this.update(&mut cx, |this, _cx| {
185 this.delegate.matches = paths;
186 })
187 .log_err();
188 })
189 }
190
191 fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
192 let Some(mat) = self.matches.get(self.selected_index) else {
193 return;
194 };
195
196 let project_path = ProjectPath {
197 worktree_id: WorktreeId::from_usize(mat.worktree_id),
198 path: mat.path.clone(),
199 };
200
201 let Some(task) = self
202 .context_store
203 .update(cx, |context_store, cx| {
204 context_store.add_file(project_path, cx)
205 })
206 .ok()
207 else {
208 return;
209 };
210
211 let workspace = self.workspace.clone();
212 let confirm_behavior = self.confirm_behavior;
213 cx.spawn(|this, mut cx| async move {
214 match task.await {
215 Ok(()) => {
216 this.update(&mut cx, |this, cx| match confirm_behavior {
217 ConfirmBehavior::KeepOpen => {}
218 ConfirmBehavior::Close => this.delegate.dismissed(cx),
219 })?;
220 }
221 Err(err) => {
222 let Some(workspace) = workspace.upgrade() else {
223 return anyhow::Ok(());
224 };
225
226 workspace.update(&mut cx, |workspace, cx| {
227 workspace.show_error(&err, cx);
228 })?;
229 }
230 }
231
232 anyhow::Ok(())
233 })
234 .detach_and_log_err(cx);
235 }
236
237 fn dismissed(&mut self, cx: &mut ViewContext<Picker<Self>>) {
238 self.context_picker
239 .update(cx, |this, cx| {
240 this.reset_mode();
241 cx.emit(DismissEvent);
242 })
243 .ok();
244 }
245
246 fn render_match(
247 &self,
248 ix: usize,
249 selected: bool,
250 cx: &mut ViewContext<Picker<Self>>,
251 ) -> Option<Self::ListItem> {
252 let path_match = &self.matches[ix];
253
254 let (file_name, directory) = if path_match.path.as_ref() == Path::new("") {
255 (SharedString::from(path_match.path_prefix.clone()), None)
256 } else {
257 let file_name = path_match
258 .path
259 .file_name()
260 .unwrap_or_default()
261 .to_string_lossy()
262 .to_string()
263 .into();
264
265 let mut directory = format!("{}/", path_match.path_prefix);
266 if let Some(parent) = path_match
267 .path
268 .parent()
269 .filter(|parent| parent != &Path::new(""))
270 {
271 directory.push_str(&parent.to_string_lossy());
272 directory.push('/');
273 }
274
275 (file_name, Some(directory))
276 };
277
278 let added = self.context_store.upgrade().and_then(|context_store| {
279 context_store
280 .read(cx)
281 .will_include_file_path(&path_match.path, cx)
282 });
283
284 Some(
285 ListItem::new(ix)
286 .inset(true)
287 .toggle_state(selected)
288 .child(
289 h_flex()
290 .gap_2()
291 .child(Label::new(file_name))
292 .children(directory.map(|directory| {
293 Label::new(directory)
294 .size(LabelSize::Small)
295 .color(Color::Muted)
296 })),
297 )
298 .when_some(added, |el, added| match added {
299 FileInclusion::Direct(_) => el.end_slot(
300 h_flex()
301 .gap_1()
302 .child(
303 Icon::new(IconName::Check)
304 .size(IconSize::Small)
305 .color(Color::Success),
306 )
307 .child(Label::new("Added").size(LabelSize::Small)),
308 ),
309 FileInclusion::InDirectory(dir_name) => {
310 let dir_name = dir_name.to_string_lossy().into_owned();
311
312 el.end_slot(
313 h_flex()
314 .gap_1()
315 .child(
316 Icon::new(IconName::Check)
317 .size(IconSize::Small)
318 .color(Color::Success),
319 )
320 .child(Label::new("Included").size(LabelSize::Small)),
321 )
322 .tooltip(move |cx| Tooltip::text(format!("in {dir_name}"), cx))
323 }
324 }),
325 )
326 }
327}