Let the Story Bible Editor rename/move files

Right-clicking a file row now offers "Rename / Move…", mirroring the
manuscript file panel's combined rename-and-move pattern: editing the
name renames, editing the folder part moves it across the tree.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

src/app/mod.rs

@@ -470,6 +470,19 @@ pub struct App {
     /// Set alongside `show_add_story_bible_item` so the name field takes
     /// focus on the frame the dialog opens.
     add_story_bible_focus: bool,
+    /// Whether the "rename/move Story Bible item" dialog is open.
+    show_rename_story_bible: bool,
+    /// The dialog's path field, pre-filled with the current path (no `.md`)
+    /// when opened, as both a rename and a move, same as the manuscript
+    /// panel's `rename_input`.
+    rename_story_bible_input: String,
+    /// The Story Bible item being renamed/moved: its full path (with `.md`),
+    /// set by the tree's right-click menu. There's no `selected` index to
+    /// recover this from the way the manuscript panel does.
+    rename_story_bible_target: Option<String>,
+    /// Set alongside `show_rename_story_bible` so the path field takes focus
+    /// on the frame the dialog opens.
+    rename_story_bible_focus: bool,
     /// List of auto-snapshots for rollback.
     snapshots: Vec<crate::app::auto_snapshot::SnapshotInfo>,
     /// Word count at the last auto-snapshot.
@@ -612,6 +625,10 @@ impl App {
             add_story_bible_type: String::new(),
             add_story_bible_name: String::new(),
             add_story_bible_focus: false,
+            show_rename_story_bible: false,
+            rename_story_bible_input: String::new(),
+            rename_story_bible_target: None,
+            rename_story_bible_focus: false,
             snapshots: Vec::new(),
             last_snapshot_word_count: 0,
             show_snapshots: false,
@@ -771,6 +788,10 @@ impl eframe::App for App {
             self.add_story_bible_item_window(ctx);
         }
 
+        if self.show_rename_story_bible {
+            self.rename_story_bible_item_window(ctx);
+        }
+
         if self.show_snapshots {
             self.snapshots_window(ctx);
         }

src/app/story_bible_editor.rs

@@ -161,14 +161,16 @@ impl App {
 
     /// Render the Story Bible tree recursively. `add_requested` collects the
     /// directory path a right-click menu's "Add … entry…" was clicked for,
-    /// so the caller can open the add dialog once rendering is done rather
-    /// than mutating `self` from inside this `&self` walk.
+    /// and `rename_requested` the file path a "Rename / Move…" was clicked
+    /// for, so the caller can open the relevant dialog once rendering is
+    /// done rather than mutating `self` from inside this `&self` walk.
     fn render_bible_tree(
         &self,
         ui: &mut egui::Ui,
         nodes: &[BibleTreeNode],
         selected_path: &Option<String>,
         add_requested: &mut Option<String>,
+        rename_requested: &mut Option<String>,
     ) -> Option<String> {
         let mut clicked_path: Option<String> = None;
 
@@ -180,9 +182,13 @@ impl App {
                     let header = egui::CollapsingHeader::new(name)
                         .default_open(true)
                         .show(ui, |ui| {
-                            if let Some(child_clicked) =
-                                self.render_bible_tree(ui, children, selected_path, add_requested)
-                            {
+                            if let Some(child_clicked) = self.render_bible_tree(
+                                ui,
+                                children,
+                                selected_path,
+                                add_requested,
+                                rename_requested,
+                            ) {
                                 clicked_path = Some(child_clicked);
                             }
                         });
@@ -198,12 +204,16 @@ impl App {
                 BibleTreeNode::File { name, path } => {
                     let is_selected = selected_path.as_ref().map_or(false, |p| p == path);
 
-                    if ui
-                        .selectable_label(is_selected, name)
-                        .clicked()
-                    {
+                    let response = ui.selectable_label(is_selected, name);
+                    if response.clicked() {
                         clicked_path = Some(path.clone());
                     }
+                    response.context_menu(|ui| {
+                        if ui.button("📝 Rename / Move…").clicked() {
+                            *rename_requested = Some(path.clone());
+                            ui.close_menu();
+                        }
+                    });
                 }
             }
         }
@@ -260,6 +270,9 @@ impl App {
         // Directory a right-click menu's "Add … entry…" was clicked for, if
         // any — applied after the tree finishes rendering, same reason.
         let mut add_requested: Option<String> = None;
+        // File path a right-click menu's "Rename / Move…" was clicked for,
+        // if any — same deferred-handling reason as `add_requested`.
+        let mut rename_requested: Option<String> = None;
         ui.horizontal(|ui| {
             // Left panel: Tree view (1/3 width). The width must be set on
             // this panel's own child `Ui`, not the shared horizontal one —
@@ -293,7 +306,11 @@ impl App {
                         } else {
                             // Render tree
                             if let Some(clicked_path) = self.render_bible_tree(
-                                ui, tree, &self.story_bible_editor_path, &mut add_requested,
+                                ui,
+                                tree,
+                                &self.story_bible_editor_path,
+                                &mut add_requested,
+                                &mut rename_requested,
                             ) {
                                 // Load the clicked file
                                 self.load_story_bible_item(&clicked_path);
@@ -370,6 +387,13 @@ impl App {
             self.show_add_story_bible_item = true;
             self.add_story_bible_focus = true;
         }
+
+        if let Some(path) = rename_requested {
+            self.rename_story_bible_input = strip_md(&path).to_string();
+            self.rename_story_bible_target = Some(path);
+            self.show_rename_story_bible = true;
+            self.rename_story_bible_focus = true;
+        }
     }
 
     /// Load a Story Bible item from the workspace.
@@ -525,6 +549,107 @@ impl App {
         }
     }
 
+    /// The rename/move dialog opened from a file row's context menu. Renaming
+    /// and moving are the same operation here, same as the manuscript file
+    /// panel's `rename_window`: editing the leaf renames, editing the folder
+    /// part moves.
+    pub(super) fn rename_story_bible_item_window(&mut self, ctx: &egui::Context) {
+        if self.rename_story_bible_target.is_none() {
+            // The tree changed underneath us; nothing left to rename.
+            self.show_rename_story_bible = false;
+            return;
+        }
+        let mut open = self.show_rename_story_bible;
+        let mut submit = false;
+        let mut cancel = false;
+        egui::Window::new("Rename / Move Story Bible item")
+            .open(&mut open)
+            .resizable(false)
+            .collapsible(false)
+            .default_width(320.0)
+            .show(ctx, |ui| {
+                if let Some(ref current) = self.rename_story_bible_target {
+                    ui.label(egui::RichText::new(current.as_str()).small().weak());
+                }
+                ui.add_space(4.0);
+                let r = ui.add(
+                    egui::TextEdit::singleline(&mut self.rename_story_bible_input)
+                        .desired_width(f32::INFINITY)
+                        .hint_text("name, or a path to move it"),
+                );
+                if self.rename_story_bible_focus {
+                    r.request_focus();
+                    self.rename_story_bible_focus = false;
+                }
+                submit |= r.lost_focus() && ui.input(|i| i.key_pressed(egui::Key::Enter));
+                ui.label(
+                    egui::RichText::new(
+                        "The path within the Story Bible folder — edit the folder part \
+                         to move it. The .md extension is added for you.",
+                    )
+                    .small()
+                    .weak(),
+                );
+                ui.separator();
+                ui.horizontal(|ui| {
+                    submit |= ui.button("Rename").clicked();
+                    cancel |= ui.button("Cancel").clicked();
+                });
+            });
+        if cancel || !open {
+            self.show_rename_story_bible = false;
+            return;
+        }
+        if submit {
+            if self.rename_selected_story_bible_item() {
+                self.show_rename_story_bible = false;
+            } else {
+                self.rename_story_bible_focus = true;
+            }
+        }
+    }
+
+    /// Move/rename the Story Bible item named by `rename_story_bible_target`
+    /// to `rename_story_bible_input`. Returns `false` (leaving the dialog
+    /// open) when the input isn't usable or the destination is taken.
+    fn rename_selected_story_bible_item(&mut self) -> bool {
+        let Some(old_path) = self.rename_story_bible_target.clone() else {
+            return false;
+        };
+        let Some(new_path) = sanitize_rel_path(&self.rename_story_bible_input) else {
+            self.status = "Enter a new name".to_string();
+            return false;
+        };
+        if new_path == old_path {
+            // Already what was asked for.
+            self.rename_story_bible_target = None;
+            return true;
+        }
+        let Some(base_dir) = self.find_story_bible_directory() else {
+            self.status = "Story Bible directory not found".to_string();
+            return false;
+        };
+        if base_dir.join(&new_path).exists() {
+            self.status = format!("{new_path} already exists");
+            return false;
+        }
+        match workspace::move_manuscript_file(&base_dir, &old_path, &new_path) {
+            Ok(()) => {
+                if self.story_bible_editor_path.as_deref() == Some(old_path.as_str()) {
+                    self.story_bible_editor_path = Some(new_path.clone());
+                }
+                self.build_story_bible_index();
+                self.status = format!("Renamed to {new_path}");
+                self.rename_story_bible_target = None;
+                true
+            }
+            Err(e) => {
+                self.status = format!("Rename failed: {e}");
+                false
+            }
+        }
+    }
+
     /// Open the Story Bible editor.
     pub(super) fn open_story_bible_editor(&mut self) {
         self.show_story_bible_editor = true;