1use futures::channel::oneshot;
2use fuzzy::PathMatch;
3use gpui::{Entity, HighlightStyle, StyledText};
4use picker::{Picker, PickerDelegate};
5use project::{Entry, PathMatchCandidateSet, Project, ProjectPath, WorktreeId};
6use std::{
7 path::{Path, PathBuf},
8 sync::{
9 Arc,
10 atomic::{self, AtomicBool},
11 },
12};
13use ui::{Context, ListItem, Window};
14use ui::{LabelLike, ListItemSpacing, highlight_ranges, prelude::*};
15use util::ResultExt;
16use workspace::Workspace;
17
18pub(crate) struct NewPathPrompt;
19
20#[derive(Debug, Clone)]
21struct Match {
22 path_match: Option<PathMatch>,
23 suffix: Option<String>,
24}
25
26impl Match {
27 fn entry<'a>(&'a self, project: &'a Project, cx: &'a App) -> Option<&'a Entry> {
28 if let Some(suffix) = &self.suffix {
29 let (worktree, path) = if let Some(path_match) = &self.path_match {
30 (
31 project.worktree_for_id(WorktreeId::from_usize(path_match.worktree_id), cx),
32 path_match.path.join(suffix),
33 )
34 } else {
35 (project.worktrees(cx).next(), PathBuf::from(suffix))
36 };
37
38 worktree.and_then(|worktree| worktree.read(cx).entry_for_path(path))
39 } else if let Some(path_match) = &self.path_match {
40 let worktree =
41 project.worktree_for_id(WorktreeId::from_usize(path_match.worktree_id), cx)?;
42 worktree.read(cx).entry_for_path(path_match.path.as_ref())
43 } else {
44 None
45 }
46 }
47
48 fn is_dir(&self, project: &Project, cx: &App) -> bool {
49 self.entry(project, cx).is_some_and(|e| e.is_dir())
50 || self.suffix.as_ref().is_some_and(|s| s.ends_with('/'))
51 }
52
53 fn relative_path(&self) -> String {
54 if let Some(path_match) = &self.path_match {
55 if let Some(suffix) = &self.suffix {
56 format!(
57 "{}/{}",
58 path_match.path.to_string_lossy(),
59 suffix.trim_end_matches('/')
60 )
61 } else {
62 path_match.path.to_string_lossy().to_string()
63 }
64 } else if let Some(suffix) = &self.suffix {
65 suffix.trim_end_matches('/').to_string()
66 } else {
67 "".to_string()
68 }
69 }
70
71 fn project_path(&self, project: &Project, cx: &App) -> Option<ProjectPath> {
72 let worktree_id = if let Some(path_match) = &self.path_match {
73 WorktreeId::from_usize(path_match.worktree_id)
74 } else if let Some(worktree) = project.visible_worktrees(cx).find(|worktree| {
75 worktree
76 .read(cx)
77 .root_entry()
78 .is_some_and(|entry| entry.is_dir())
79 }) {
80 worktree.read(cx).id()
81 } else {
82 // todo(): we should find_or_create a workspace.
83 return None;
84 };
85
86 let path = PathBuf::from(self.relative_path());
87
88 Some(ProjectPath {
89 worktree_id,
90 path: Arc::from(path),
91 })
92 }
93
94 fn existing_prefix(&self, project: &Project, cx: &App) -> Option<PathBuf> {
95 let worktree = project.worktrees(cx).next()?.read(cx);
96 let mut prefix = PathBuf::new();
97 let parts = self.suffix.as_ref()?.split('/');
98 for part in parts {
99 if worktree.entry_for_path(prefix.join(&part)).is_none() {
100 return Some(prefix);
101 }
102 prefix = prefix.join(part);
103 }
104
105 None
106 }
107
108 fn styled_text(&self, project: &Project, window: &Window, cx: &App) -> StyledText {
109 let mut text = "./".to_string();
110 let mut highlights = Vec::new();
111 let mut offset = text.len();
112
113 let separator = '/';
114 let dir_indicator = "[…]";
115
116 if let Some(path_match) = &self.path_match {
117 text.push_str(&path_match.path.to_string_lossy());
118 let mut whole_path = PathBuf::from(path_match.path_prefix.to_string());
119 whole_path = whole_path.join(path_match.path.clone());
120 for (range, style) in highlight_ranges(
121 &whole_path.to_string_lossy(),
122 &path_match.positions,
123 gpui::HighlightStyle::color(Color::Accent.color(cx)),
124 ) {
125 highlights.push((range.start + offset..range.end + offset, style))
126 }
127 text.push(separator);
128 offset = text.len();
129
130 if let Some(suffix) = &self.suffix {
131 text.push_str(suffix);
132 let entry = self.entry(project, cx);
133 let color = if let Some(entry) = entry {
134 if entry.is_dir() {
135 Color::Accent
136 } else {
137 Color::Conflict
138 }
139 } else {
140 Color::Created
141 };
142 highlights.push((
143 offset..offset + suffix.len(),
144 HighlightStyle::color(color.color(cx)),
145 ));
146 offset += suffix.len();
147 if entry.is_some_and(|e| e.is_dir()) {
148 text.push(separator);
149 offset += separator.len_utf8();
150
151 text.push_str(dir_indicator);
152 highlights.push((
153 offset..offset + dir_indicator.len(),
154 HighlightStyle::color(Color::Muted.color(cx)),
155 ));
156 }
157 } else {
158 text.push_str(dir_indicator);
159 highlights.push((
160 offset..offset + dir_indicator.len(),
161 HighlightStyle::color(Color::Muted.color(cx)),
162 ))
163 }
164 } else if let Some(suffix) = &self.suffix {
165 text.push_str(suffix);
166 let existing_prefix_len = self
167 .existing_prefix(project, cx)
168 .map(|prefix| prefix.to_string_lossy().len())
169 .unwrap_or(0);
170
171 if existing_prefix_len > 0 {
172 highlights.push((
173 offset..offset + existing_prefix_len,
174 HighlightStyle::color(Color::Accent.color(cx)),
175 ));
176 }
177 highlights.push((
178 offset + existing_prefix_len..offset + suffix.len(),
179 HighlightStyle::color(if self.entry(project, cx).is_some() {
180 Color::Conflict.color(cx)
181 } else {
182 Color::Created.color(cx)
183 }),
184 ));
185 offset += suffix.len();
186 if suffix.ends_with('/') {
187 text.push_str(dir_indicator);
188 highlights.push((
189 offset..offset + dir_indicator.len(),
190 HighlightStyle::color(Color::Muted.color(cx)),
191 ));
192 }
193 }
194
195 StyledText::new(text).with_default_highlights(&window.text_style().clone(), highlights)
196 }
197}
198
199pub struct NewPathDelegate {
200 project: Entity<Project>,
201 tx: Option<oneshot::Sender<Option<ProjectPath>>>,
202 selected_index: usize,
203 matches: Vec<Match>,
204 last_selected_dir: Option<String>,
205 cancel_flag: Arc<AtomicBool>,
206 should_dismiss: bool,
207}
208
209impl NewPathPrompt {
210 pub(crate) fn register(
211 workspace: &mut Workspace,
212 _window: Option<&mut Window>,
213 _cx: &mut Context<Workspace>,
214 ) {
215 workspace.set_prompt_for_new_path(Box::new(|workspace, window, cx| {
216 let (tx, rx) = futures::channel::oneshot::channel();
217 Self::prompt_for_new_path(workspace, tx, window, cx);
218 rx
219 }));
220 }
221
222 fn prompt_for_new_path(
223 workspace: &mut Workspace,
224 tx: oneshot::Sender<Option<ProjectPath>>,
225 window: &mut Window,
226 cx: &mut Context<Workspace>,
227 ) {
228 let project = workspace.project().clone();
229 workspace.toggle_modal(window, cx, |window, cx| {
230 let delegate = NewPathDelegate {
231 project,
232 tx: Some(tx),
233 selected_index: 0,
234 matches: vec![],
235 cancel_flag: Arc::new(AtomicBool::new(false)),
236 last_selected_dir: None,
237 should_dismiss: true,
238 };
239
240 Picker::uniform_list(delegate, window, cx).width(rems(34.))
241 });
242 }
243}
244
245impl PickerDelegate for NewPathDelegate {
246 type ListItem = ui::ListItem;
247
248 fn match_count(&self) -> usize {
249 self.matches.len()
250 }
251
252 fn selected_index(&self) -> usize {
253 self.selected_index
254 }
255
256 fn set_selected_index(
257 &mut self,
258 ix: usize,
259 _: &mut Window,
260 cx: &mut Context<picker::Picker<Self>>,
261 ) {
262 self.selected_index = ix;
263 cx.notify();
264 }
265
266 fn update_matches(
267 &mut self,
268 query: String,
269 window: &mut Window,
270 cx: &mut Context<picker::Picker<Self>>,
271 ) -> gpui::Task<()> {
272 let query = query
273 .trim()
274 .trim_start_matches("./")
275 .trim_start_matches('/');
276
277 let (dir, suffix) = if let Some(index) = query.rfind('/') {
278 let suffix = if index + 1 < query.len() {
279 Some(query[index + 1..].to_string())
280 } else {
281 None
282 };
283 (query[0..index].to_string(), suffix)
284 } else {
285 (query.to_string(), None)
286 };
287
288 let worktrees = self
289 .project
290 .read(cx)
291 .visible_worktrees(cx)
292 .collect::<Vec<_>>();
293 let include_root_name = worktrees.len() > 1;
294 let candidate_sets = worktrees
295 .into_iter()
296 .map(|worktree| {
297 let worktree = worktree.read(cx);
298 PathMatchCandidateSet {
299 snapshot: worktree.snapshot(),
300 include_ignored: worktree
301 .root_entry()
302 .map_or(false, |entry| entry.is_ignored),
303 include_root_name,
304 candidates: project::Candidates::Directories,
305 }
306 })
307 .collect::<Vec<_>>();
308
309 self.cancel_flag.store(true, atomic::Ordering::Relaxed);
310 self.cancel_flag = Arc::new(AtomicBool::new(false));
311
312 let cancel_flag = self.cancel_flag.clone();
313 let query = query.to_string();
314 let prefix = dir.clone();
315 cx.spawn_in(window, async move |picker, cx| {
316 let matches = fuzzy::match_path_sets(
317 candidate_sets.as_slice(),
318 &dir,
319 None,
320 false,
321 100,
322 &cancel_flag,
323 cx.background_executor().clone(),
324 )
325 .await;
326 let did_cancel = cancel_flag.load(atomic::Ordering::Relaxed);
327 if did_cancel {
328 return;
329 }
330 picker
331 .update(cx, |picker, cx| {
332 picker
333 .delegate
334 .set_search_matches(query, prefix, suffix, matches, cx)
335 })
336 .log_err();
337 })
338 }
339
340 fn confirm_completion(
341 &mut self,
342 _: String,
343 window: &mut Window,
344 cx: &mut Context<Picker<Self>>,
345 ) -> Option<String> {
346 self.confirm_update_query(window, cx)
347 }
348
349 fn confirm_update_query(
350 &mut self,
351 _: &mut Window,
352 cx: &mut Context<Picker<Self>>,
353 ) -> Option<String> {
354 let m = self.matches.get(self.selected_index)?;
355 if m.is_dir(self.project.read(cx), cx) {
356 let path = m.relative_path();
357 self.last_selected_dir = Some(path.clone());
358 Some(format!("{}/", path))
359 } else {
360 None
361 }
362 }
363
364 fn confirm(&mut self, _: bool, window: &mut Window, cx: &mut Context<picker::Picker<Self>>) {
365 let Some(m) = self.matches.get(self.selected_index) else {
366 return;
367 };
368
369 let exists = m.entry(self.project.read(cx), cx).is_some();
370 if exists {
371 self.should_dismiss = false;
372 let answer = window.prompt(
373 gpui::PromptLevel::Critical,
374 &format!("{} already exists. Do you want to replace it?", m.relative_path()),
375 Some(
376 "A file or folder with the same name already exists. Replacing it will overwrite its current contents.",
377 ),
378 &["Replace", "Cancel"],
379 cx);
380 let m = m.clone();
381 cx.spawn_in(window, async move |picker, cx| {
382 let answer = answer.await.ok();
383 picker
384 .update(cx, |picker, cx| {
385 picker.delegate.should_dismiss = true;
386 if answer != Some(0) {
387 return;
388 }
389 if let Some(path) = m.project_path(picker.delegate.project.read(cx), cx) {
390 if let Some(tx) = picker.delegate.tx.take() {
391 tx.send(Some(path)).ok();
392 }
393 }
394 cx.emit(gpui::DismissEvent);
395 })
396 .ok();
397 })
398 .detach();
399 return;
400 }
401
402 if let Some(path) = m.project_path(self.project.read(cx), cx) {
403 if let Some(tx) = self.tx.take() {
404 tx.send(Some(path)).ok();
405 }
406 }
407 cx.emit(gpui::DismissEvent);
408 }
409
410 fn should_dismiss(&self) -> bool {
411 self.should_dismiss
412 }
413
414 fn dismissed(&mut self, _: &mut Window, cx: &mut Context<picker::Picker<Self>>) {
415 if let Some(tx) = self.tx.take() {
416 tx.send(None).ok();
417 }
418 cx.emit(gpui::DismissEvent)
419 }
420
421 fn render_match(
422 &self,
423 ix: usize,
424 selected: bool,
425 window: &mut Window,
426 cx: &mut Context<picker::Picker<Self>>,
427 ) -> Option<Self::ListItem> {
428 let m = self.matches.get(ix)?;
429
430 Some(
431 ListItem::new(ix)
432 .spacing(ListItemSpacing::Sparse)
433 .inset(true)
434 .toggle_state(selected)
435 .child(LabelLike::new().child(m.styled_text(self.project.read(cx), window, cx))),
436 )
437 }
438
439 fn no_matches_text(&self, _window: &mut Window, _cx: &mut App) -> Option<SharedString> {
440 Some("Type a path...".into())
441 }
442
443 fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
444 Arc::from("[directory/]filename.ext")
445 }
446}
447
448impl NewPathDelegate {
449 fn set_search_matches(
450 &mut self,
451 query: String,
452 prefix: String,
453 suffix: Option<String>,
454 matches: Vec<PathMatch>,
455 cx: &mut Context<Picker<Self>>,
456 ) {
457 cx.notify();
458 if query.is_empty() {
459 self.matches = self
460 .project
461 .read(cx)
462 .worktrees(cx)
463 .flat_map(|worktree| {
464 let worktree_id = worktree.read(cx).id();
465 worktree
466 .read(cx)
467 .child_entries(Path::new(""))
468 .filter_map(move |entry| {
469 entry.is_dir().then(|| Match {
470 path_match: Some(PathMatch {
471 score: 1.0,
472 positions: Default::default(),
473 worktree_id: worktree_id.to_usize(),
474 path: entry.path.clone(),
475 path_prefix: "".into(),
476 is_dir: entry.is_dir(),
477 distance_to_relative_ancestor: 0,
478 }),
479 suffix: None,
480 })
481 })
482 })
483 .collect();
484
485 return;
486 }
487
488 let mut directory_exists = false;
489
490 self.matches = matches
491 .into_iter()
492 .map(|m| {
493 if m.path.as_ref().to_string_lossy() == prefix {
494 directory_exists = true
495 }
496 Match {
497 path_match: Some(m),
498 suffix: suffix.clone(),
499 }
500 })
501 .collect();
502
503 if !directory_exists {
504 if suffix.is_none()
505 || self
506 .last_selected_dir
507 .as_ref()
508 .is_some_and(|d| query.starts_with(d))
509 {
510 self.matches.insert(
511 0,
512 Match {
513 path_match: None,
514 suffix: Some(query.clone()),
515 },
516 )
517 } else {
518 self.matches.push(Match {
519 path_match: None,
520 suffix: Some(query.clone()),
521 })
522 }
523 }
524 }
525}