context_picker.rs

  1mod directory_context_picker;
  2mod fetch_context_picker;
  3mod file_context_picker;
  4mod thread_context_picker;
  5
  6use std::path::PathBuf;
  7use std::sync::Arc;
  8
  9use editor::Editor;
 10use file_context_picker::render_file_context_entry;
 11use gpui::{
 12    AppContext, DismissEvent, EventEmitter, FocusHandle, FocusableView, View, WeakModel, WeakView,
 13};
 14use project::ProjectPath;
 15use thread_context_picker::{render_thread_context_entry, ThreadContextEntry};
 16use ui::{prelude::*, ContextMenu, ContextMenuEntry, ContextMenuItem};
 17use workspace::{notifications::NotifyResultExt, Workspace};
 18
 19use crate::context::ContextKind;
 20use crate::context_picker::directory_context_picker::DirectoryContextPicker;
 21use crate::context_picker::fetch_context_picker::FetchContextPicker;
 22use crate::context_picker::file_context_picker::FileContextPicker;
 23use crate::context_picker::thread_context_picker::ThreadContextPicker;
 24use crate::context_store::ContextStore;
 25use crate::thread_store::ThreadStore;
 26use crate::AssistantPanel;
 27
 28#[derive(Debug, Clone, Copy)]
 29pub enum ConfirmBehavior {
 30    KeepOpen,
 31    Close,
 32}
 33
 34#[derive(Debug, Clone)]
 35enum ContextPickerMode {
 36    Default(View<ContextMenu>),
 37    File(View<FileContextPicker>),
 38    Directory(View<DirectoryContextPicker>),
 39    Fetch(View<FetchContextPicker>),
 40    Thread(View<ThreadContextPicker>),
 41}
 42
 43pub(super) struct ContextPicker {
 44    mode: ContextPickerMode,
 45    workspace: WeakView<Workspace>,
 46    context_store: WeakModel<ContextStore>,
 47    thread_store: Option<WeakModel<ThreadStore>>,
 48    confirm_behavior: ConfirmBehavior,
 49}
 50
 51impl ContextPicker {
 52    pub fn new(
 53        workspace: WeakView<Workspace>,
 54        thread_store: Option<WeakModel<ThreadStore>>,
 55        context_store: WeakModel<ContextStore>,
 56        confirm_behavior: ConfirmBehavior,
 57        cx: &mut ViewContext<Self>,
 58    ) -> Self {
 59        ContextPicker {
 60            mode: ContextPickerMode::Default(ContextMenu::build(cx, |menu, _cx| menu)),
 61            workspace,
 62            context_store,
 63            thread_store,
 64            confirm_behavior,
 65        }
 66    }
 67
 68    pub fn init(&mut self, cx: &mut ViewContext<Self>) {
 69        self.mode = ContextPickerMode::Default(self.build_menu(cx));
 70        cx.notify();
 71    }
 72
 73    fn build_menu(&mut self, cx: &mut ViewContext<Self>) -> View<ContextMenu> {
 74        let context_picker = cx.view().clone();
 75
 76        let menu = ContextMenu::build(cx, move |menu, cx| {
 77            let kind_entry = |kind: &'static ContextKind| {
 78                let context_picker = context_picker.clone();
 79
 80                ContextMenuEntry::new(kind.label())
 81                    .icon(kind.icon())
 82                    .handler(move |cx| {
 83                        context_picker.update(cx, |this, cx| this.select_kind(*kind, cx))
 84                    })
 85            };
 86
 87            let recent = self.recent_entries(cx);
 88            let has_recent = !recent.is_empty();
 89            let recent_entries = recent
 90                .into_iter()
 91                .enumerate()
 92                .map(|(ix, entry)| self.recent_menu_item(context_picker.clone(), ix, entry));
 93
 94            let menu = menu
 95                .when(has_recent, |menu| {
 96                    menu.custom_row(|_| {
 97                        div()
 98                            .mb_1()
 99                            .child(
100                                Label::new("Recent")
101                                    .color(Color::Muted)
102                                    .size(LabelSize::Small),
103                            )
104                            .into_any_element()
105                    })
106                })
107                .extend(recent_entries)
108                .when(has_recent, |menu| menu.separator())
109                .extend(ContextKind::all().into_iter().map(kind_entry));
110
111            match self.confirm_behavior {
112                ConfirmBehavior::KeepOpen => menu.keep_open_on_confirm(),
113                ConfirmBehavior::Close => menu,
114            }
115        });
116
117        cx.subscribe(&menu, move |_, _, _: &DismissEvent, cx| {
118            cx.emit(DismissEvent);
119        })
120        .detach();
121
122        menu
123    }
124
125    fn select_kind(&mut self, kind: ContextKind, cx: &mut ViewContext<Self>) {
126        let context_picker = cx.view().downgrade();
127
128        match kind {
129            ContextKind::File => {
130                self.mode = ContextPickerMode::File(cx.new_view(|cx| {
131                    FileContextPicker::new(
132                        context_picker.clone(),
133                        self.workspace.clone(),
134                        self.context_store.clone(),
135                        self.confirm_behavior,
136                        cx,
137                    )
138                }));
139            }
140            ContextKind::Directory => {
141                self.mode = ContextPickerMode::Directory(cx.new_view(|cx| {
142                    DirectoryContextPicker::new(
143                        context_picker.clone(),
144                        self.workspace.clone(),
145                        self.context_store.clone(),
146                        self.confirm_behavior,
147                        cx,
148                    )
149                }));
150            }
151            ContextKind::FetchedUrl => {
152                self.mode = ContextPickerMode::Fetch(cx.new_view(|cx| {
153                    FetchContextPicker::new(
154                        context_picker.clone(),
155                        self.workspace.clone(),
156                        self.context_store.clone(),
157                        self.confirm_behavior,
158                        cx,
159                    )
160                }));
161            }
162            ContextKind::Thread => {
163                if let Some(thread_store) = self.thread_store.as_ref() {
164                    self.mode = ContextPickerMode::Thread(cx.new_view(|cx| {
165                        ThreadContextPicker::new(
166                            thread_store.clone(),
167                            context_picker.clone(),
168                            self.context_store.clone(),
169                            self.confirm_behavior,
170                            cx,
171                        )
172                    }));
173                }
174            }
175        }
176
177        cx.notify();
178        cx.focus_self();
179    }
180
181    fn recent_menu_item(
182        &self,
183        context_picker: View<ContextPicker>,
184        ix: usize,
185        entry: RecentEntry,
186    ) -> ContextMenuItem {
187        match entry {
188            RecentEntry::File {
189                project_path,
190                path_prefix,
191            } => {
192                let context_store = self.context_store.clone();
193                let path = project_path.path.clone();
194
195                ContextMenuItem::custom_entry(
196                    move |cx| {
197                        render_file_context_entry(
198                            ElementId::NamedInteger("ctx-recent".into(), ix),
199                            &path,
200                            &path_prefix,
201                            context_store.clone(),
202                            cx,
203                        )
204                        .into_any()
205                    },
206                    move |cx| {
207                        context_picker.update(cx, |this, cx| {
208                            this.add_recent_file(project_path.clone(), cx);
209                        })
210                    },
211                )
212            }
213            RecentEntry::Thread(thread) => {
214                let context_store = self.context_store.clone();
215                let view_thread = thread.clone();
216
217                ContextMenuItem::custom_entry(
218                    move |cx| {
219                        render_thread_context_entry(&view_thread, context_store.clone(), cx)
220                            .into_any()
221                    },
222                    move |cx| {
223                        context_picker.update(cx, |this, cx| {
224                            this.add_recent_thread(thread.clone(), cx);
225                        })
226                    },
227                )
228            }
229        }
230    }
231
232    fn add_recent_file(&self, project_path: ProjectPath, cx: &mut ViewContext<Self>) {
233        let Some(context_store) = self.context_store.upgrade() else {
234            return;
235        };
236
237        let task = context_store.update(cx, |context_store, cx| {
238            context_store.add_file_from_path(project_path.clone(), cx)
239        });
240
241        cx.spawn(|_, mut cx| async move { task.await.notify_async_err(&mut cx) })
242            .detach();
243
244        cx.notify();
245    }
246
247    fn add_recent_thread(&self, thread: ThreadContextEntry, cx: &mut ViewContext<Self>) {
248        let Some(context_store) = self.context_store.upgrade() else {
249            return;
250        };
251
252        let Some(thread) = self
253            .thread_store
254            .clone()
255            .and_then(|this| this.upgrade())
256            .and_then(|this| this.update(cx, |this, cx| this.open_thread(&thread.id, cx)))
257        else {
258            return;
259        };
260
261        context_store.update(cx, |context_store, cx| {
262            context_store.add_thread(thread, cx);
263        });
264
265        cx.notify();
266    }
267
268    fn recent_entries(&self, cx: &mut WindowContext) -> Vec<RecentEntry> {
269        let Some(workspace) = self.workspace.upgrade().map(|w| w.read(cx)) else {
270            return vec![];
271        };
272
273        let Some(context_store) = self.context_store.upgrade().map(|cs| cs.read(cx)) else {
274            return vec![];
275        };
276
277        let mut recent = Vec::with_capacity(6);
278
279        let mut current_files = context_store.file_paths(cx);
280
281        if let Some(active_path) = Self::active_singleton_buffer_path(&workspace, cx) {
282            current_files.insert(active_path);
283        }
284
285        let project = workspace.project().read(cx);
286
287        recent.extend(
288            workspace
289                .recent_navigation_history_iter(cx)
290                .filter(|(path, _)| !current_files.contains(&path.path.to_path_buf()))
291                .take(4)
292                .filter_map(|(project_path, _)| {
293                    project
294                        .worktree_for_id(project_path.worktree_id, cx)
295                        .map(|worktree| RecentEntry::File {
296                            project_path,
297                            path_prefix: worktree.read(cx).root_name().into(),
298                        })
299                }),
300        );
301
302        let mut current_threads = context_store.thread_ids();
303
304        if let Some(active_thread) = workspace
305            .panel::<AssistantPanel>(cx)
306            .map(|panel| panel.read(cx).active_thread(cx))
307        {
308            current_threads.insert(active_thread.read(cx).id().clone());
309        }
310
311        let Some(thread_store) = self
312            .thread_store
313            .as_ref()
314            .and_then(|thread_store| thread_store.upgrade())
315        else {
316            return recent;
317        };
318
319        thread_store.update(cx, |thread_store, cx| {
320            recent.extend(
321                thread_store
322                    .threads(cx)
323                    .into_iter()
324                    .filter(|thread| !current_threads.contains(thread.read(cx).id()))
325                    .take(2)
326                    .map(|thread| {
327                        let thread = thread.read(cx);
328
329                        RecentEntry::Thread(ThreadContextEntry {
330                            id: thread.id().clone(),
331                            summary: thread.summary_or_default(),
332                        })
333                    }),
334            )
335        });
336
337        recent
338    }
339
340    fn active_singleton_buffer_path(workspace: &Workspace, cx: &AppContext) -> Option<PathBuf> {
341        let active_item = workspace.active_item(cx)?;
342
343        let editor = active_item.to_any().downcast::<Editor>().ok()?.read(cx);
344        let buffer = editor.buffer().read(cx).as_singleton()?;
345
346        let path = buffer.read(cx).file()?.path().to_path_buf();
347        Some(path)
348    }
349}
350
351impl EventEmitter<DismissEvent> for ContextPicker {}
352
353impl FocusableView for ContextPicker {
354    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
355        match &self.mode {
356            ContextPickerMode::Default(menu) => menu.focus_handle(cx),
357            ContextPickerMode::File(file_picker) => file_picker.focus_handle(cx),
358            ContextPickerMode::Directory(directory_picker) => directory_picker.focus_handle(cx),
359            ContextPickerMode::Fetch(fetch_picker) => fetch_picker.focus_handle(cx),
360            ContextPickerMode::Thread(thread_picker) => thread_picker.focus_handle(cx),
361        }
362    }
363}
364
365impl Render for ContextPicker {
366    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
367        v_flex()
368            .w(px(400.))
369            .min_w(px(400.))
370            .map(|parent| match &self.mode {
371                ContextPickerMode::Default(menu) => parent.child(menu.clone()),
372                ContextPickerMode::File(file_picker) => parent.child(file_picker.clone()),
373                ContextPickerMode::Directory(directory_picker) => {
374                    parent.child(directory_picker.clone())
375                }
376                ContextPickerMode::Fetch(fetch_picker) => parent.child(fetch_picker.clone()),
377                ContextPickerMode::Thread(thread_picker) => parent.child(thread_picker.clone()),
378            })
379    }
380}
381enum RecentEntry {
382    File {
383        project_path: ProjectPath,
384        path_prefix: Arc<str>,
385    },
386    Thread(ThreadContextEntry),
387}