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