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    editor: WeakView<Editor>,
 47    context_store: WeakModel<ContextStore>,
 48    thread_store: Option<WeakModel<ThreadStore>>,
 49    confirm_behavior: ConfirmBehavior,
 50}
 51
 52impl ContextPicker {
 53    pub fn new(
 54        workspace: WeakView<Workspace>,
 55        thread_store: Option<WeakModel<ThreadStore>>,
 56        context_store: WeakModel<ContextStore>,
 57        editor: WeakView<Editor>,
 58        confirm_behavior: ConfirmBehavior,
 59        cx: &mut ViewContext<Self>,
 60    ) -> Self {
 61        ContextPicker {
 62            mode: ContextPickerMode::Default(ContextMenu::build(cx, |menu, _cx| menu)),
 63            workspace,
 64            context_store,
 65            thread_store,
 66            editor,
 67            confirm_behavior,
 68        }
 69    }
 70
 71    pub fn init(&mut self, cx: &mut ViewContext<Self>) {
 72        self.mode = ContextPickerMode::Default(self.build_menu(cx));
 73        cx.notify();
 74    }
 75
 76    fn build_menu(&mut self, cx: &mut ViewContext<Self>) -> View<ContextMenu> {
 77        let context_picker = cx.view().clone();
 78
 79        let menu = ContextMenu::build(cx, move |menu, cx| {
 80            let recent = self.recent_entries(cx);
 81            let has_recent = !recent.is_empty();
 82            let recent_entries = recent
 83                .into_iter()
 84                .enumerate()
 85                .map(|(ix, entry)| self.recent_menu_item(context_picker.clone(), ix, entry));
 86
 87            let mut context_kinds = vec![
 88                ContextKind::File,
 89                ContextKind::Directory,
 90                ContextKind::FetchedUrl,
 91            ];
 92            if self.thread_store.is_some() {
 93                context_kinds.push(ContextKind::Thread);
 94            }
 95
 96            let menu = menu
 97                .when(has_recent, |menu| {
 98                    menu.custom_row(|_| {
 99                        div()
100                            .mb_1()
101                            .child(
102                                Label::new("Recent")
103                                    .color(Color::Muted)
104                                    .size(LabelSize::Small),
105                            )
106                            .into_any_element()
107                    })
108                })
109                .extend(recent_entries)
110                .when(has_recent, |menu| menu.separator())
111                .extend(context_kinds.into_iter().map(|kind| {
112                    let context_picker = context_picker.clone();
113
114                    ContextMenuEntry::new(kind.label())
115                        .icon(kind.icon())
116                        .handler(move |cx| {
117                            context_picker.update(cx, |this, cx| this.select_kind(kind, cx))
118                        })
119                }));
120
121            match self.confirm_behavior {
122                ConfirmBehavior::KeepOpen => menu.keep_open_on_confirm(),
123                ConfirmBehavior::Close => menu,
124            }
125        });
126
127        cx.subscribe(&menu, move |_, _, _: &DismissEvent, cx| {
128            cx.emit(DismissEvent);
129        })
130        .detach();
131
132        menu
133    }
134
135    fn select_kind(&mut self, kind: ContextKind, cx: &mut ViewContext<Self>) {
136        let context_picker = cx.view().downgrade();
137
138        match kind {
139            ContextKind::File => {
140                self.mode = ContextPickerMode::File(cx.new_view(|cx| {
141                    FileContextPicker::new(
142                        context_picker.clone(),
143                        self.workspace.clone(),
144                        self.editor.clone(),
145                        self.context_store.clone(),
146                        self.confirm_behavior,
147                        cx,
148                    )
149                }));
150            }
151            ContextKind::Directory => {
152                self.mode = ContextPickerMode::Directory(cx.new_view(|cx| {
153                    DirectoryContextPicker::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::FetchedUrl => {
163                self.mode = ContextPickerMode::Fetch(cx.new_view(|cx| {
164                    FetchContextPicker::new(
165                        context_picker.clone(),
166                        self.workspace.clone(),
167                        self.context_store.clone(),
168                        self.confirm_behavior,
169                        cx,
170                    )
171                }));
172            }
173            ContextKind::Thread => {
174                if let Some(thread_store) = self.thread_store.as_ref() {
175                    self.mode = ContextPickerMode::Thread(cx.new_view(|cx| {
176                        ThreadContextPicker::new(
177                            thread_store.clone(),
178                            context_picker.clone(),
179                            self.context_store.clone(),
180                            self.confirm_behavior,
181                            cx,
182                        )
183                    }));
184                }
185            }
186        }
187
188        cx.notify();
189        cx.focus_self();
190    }
191
192    fn recent_menu_item(
193        &self,
194        context_picker: View<ContextPicker>,
195        ix: usize,
196        entry: RecentEntry,
197    ) -> ContextMenuItem {
198        match entry {
199            RecentEntry::File {
200                project_path,
201                path_prefix,
202            } => {
203                let context_store = self.context_store.clone();
204                let path = project_path.path.clone();
205
206                ContextMenuItem::custom_entry(
207                    move |cx| {
208                        render_file_context_entry(
209                            ElementId::NamedInteger("ctx-recent".into(), ix),
210                            &path,
211                            &path_prefix,
212                            context_store.clone(),
213                            cx,
214                        )
215                        .into_any()
216                    },
217                    move |cx| {
218                        context_picker.update(cx, |this, cx| {
219                            this.add_recent_file(project_path.clone(), cx);
220                        })
221                    },
222                )
223            }
224            RecentEntry::Thread(thread) => {
225                let context_store = self.context_store.clone();
226                let view_thread = thread.clone();
227
228                ContextMenuItem::custom_entry(
229                    move |cx| {
230                        render_thread_context_entry(&view_thread, context_store.clone(), cx)
231                            .into_any()
232                    },
233                    move |cx| {
234                        context_picker.update(cx, |this, cx| {
235                            this.add_recent_thread(thread.clone(), cx);
236                        })
237                    },
238                )
239            }
240        }
241    }
242
243    fn add_recent_file(&self, project_path: ProjectPath, cx: &mut ViewContext<Self>) {
244        let Some(context_store) = self.context_store.upgrade() else {
245            return;
246        };
247
248        let task = context_store.update(cx, |context_store, cx| {
249            context_store.add_file_from_path(project_path.clone(), cx)
250        });
251
252        cx.spawn(|_, mut cx| async move { task.await.notify_async_err(&mut cx) })
253            .detach();
254
255        cx.notify();
256    }
257
258    fn add_recent_thread(&self, thread: ThreadContextEntry, cx: &mut ViewContext<Self>) {
259        let Some(context_store) = self.context_store.upgrade() else {
260            return;
261        };
262
263        let Some(thread) = self
264            .thread_store
265            .clone()
266            .and_then(|this| this.upgrade())
267            .and_then(|this| this.update(cx, |this, cx| this.open_thread(&thread.id, cx)))
268        else {
269            return;
270        };
271
272        context_store.update(cx, |context_store, cx| {
273            context_store.add_thread(thread, cx);
274        });
275
276        cx.notify();
277    }
278
279    fn recent_entries(&self, cx: &mut WindowContext) -> Vec<RecentEntry> {
280        let Some(workspace) = self.workspace.upgrade().map(|w| w.read(cx)) else {
281            return vec![];
282        };
283
284        let Some(context_store) = self.context_store.upgrade().map(|cs| cs.read(cx)) else {
285            return vec![];
286        };
287
288        let mut recent = Vec::with_capacity(6);
289
290        let mut current_files = context_store.file_paths(cx);
291
292        if let Some(active_path) = Self::active_singleton_buffer_path(&workspace, cx) {
293            current_files.insert(active_path);
294        }
295
296        let project = workspace.project().read(cx);
297
298        recent.extend(
299            workspace
300                .recent_navigation_history_iter(cx)
301                .filter(|(path, _)| !current_files.contains(&path.path.to_path_buf()))
302                .take(4)
303                .filter_map(|(project_path, _)| {
304                    project
305                        .worktree_for_id(project_path.worktree_id, cx)
306                        .map(|worktree| RecentEntry::File {
307                            project_path,
308                            path_prefix: worktree.read(cx).root_name().into(),
309                        })
310                }),
311        );
312
313        let mut current_threads = context_store.thread_ids();
314
315        if let Some(active_thread) = workspace
316            .panel::<AssistantPanel>(cx)
317            .map(|panel| panel.read(cx).active_thread(cx))
318        {
319            current_threads.insert(active_thread.read(cx).id().clone());
320        }
321
322        let Some(thread_store) = self
323            .thread_store
324            .as_ref()
325            .and_then(|thread_store| thread_store.upgrade())
326        else {
327            return recent;
328        };
329
330        thread_store.update(cx, |thread_store, cx| {
331            recent.extend(
332                thread_store
333                    .threads(cx)
334                    .into_iter()
335                    .filter(|thread| !current_threads.contains(thread.read(cx).id()))
336                    .take(2)
337                    .map(|thread| {
338                        let thread = thread.read(cx);
339
340                        RecentEntry::Thread(ThreadContextEntry {
341                            id: thread.id().clone(),
342                            summary: thread.summary_or_default(),
343                        })
344                    }),
345            )
346        });
347
348        recent
349    }
350
351    fn active_singleton_buffer_path(workspace: &Workspace, cx: &AppContext) -> Option<PathBuf> {
352        let active_item = workspace.active_item(cx)?;
353
354        let editor = active_item.to_any().downcast::<Editor>().ok()?.read(cx);
355        let buffer = editor.buffer().read(cx).as_singleton()?;
356
357        let path = buffer.read(cx).file()?.path().to_path_buf();
358        Some(path)
359    }
360}
361
362impl EventEmitter<DismissEvent> for ContextPicker {}
363
364impl FocusableView for ContextPicker {
365    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
366        match &self.mode {
367            ContextPickerMode::Default(menu) => menu.focus_handle(cx),
368            ContextPickerMode::File(file_picker) => file_picker.focus_handle(cx),
369            ContextPickerMode::Directory(directory_picker) => directory_picker.focus_handle(cx),
370            ContextPickerMode::Fetch(fetch_picker) => fetch_picker.focus_handle(cx),
371            ContextPickerMode::Thread(thread_picker) => thread_picker.focus_handle(cx),
372        }
373    }
374}
375
376impl Render for ContextPicker {
377    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
378        v_flex()
379            .w(px(400.))
380            .min_w(px(400.))
381            .map(|parent| match &self.mode {
382                ContextPickerMode::Default(menu) => parent.child(menu.clone()),
383                ContextPickerMode::File(file_picker) => parent.child(file_picker.clone()),
384                ContextPickerMode::Directory(directory_picker) => {
385                    parent.child(directory_picker.clone())
386                }
387                ContextPickerMode::Fetch(fetch_picker) => parent.child(fetch_picker.clone()),
388                ContextPickerMode::Thread(thread_picker) => parent.child(thread_picker.clone()),
389            })
390    }
391}
392enum RecentEntry {
393    File {
394        project_path: ProjectPath,
395        path_prefix: Arc<str>,
396    },
397    Thread(ThreadContextEntry),
398}