Add saved split view rows

crates/ely_browser_core/src/state/commands.rs

@@ -125,6 +125,7 @@ impl BrowserCore {
                 self.split_active_tab_right()?;
                 Ok(true)
             }
+            "save-split-view" | "save split view" => Ok(self.save_active_split_view()?.is_some()),
             "downloads" | "open-downloads" | "open downloads" => {
                 self.open_tab(downloads_url()?);
                 Ok(true)

crates/ely_browser_core/src/state/splits.rs

@@ -5,6 +5,21 @@ use crate::CoreError;
 use super::BrowserCore;
 
 impl BrowserCore {
+    pub fn save_active_split_view(&mut self) -> Result<Option<SplitId>, CoreError> {
+        let Some(split_id) = self.active_tab()?.split_id().cloned() else {
+            return Ok(None);
+        };
+        let title = self.active_split_title(&split_id)?;
+        let layout = self
+            .split_layouts
+            .iter_mut()
+            .find(|layout| layout.id() == &split_id)
+            .ok_or_else(|| CoreError::SplitNotFound { id: split_id.clone() })?;
+
+        layout.save(title);
+        Ok(Some(split_id))
+    }
+
     pub fn split_active_tab_right(&mut self) -> Result<SplitId, CoreError> {
         let active_index = self.active_tab_index()?;
         let active_tab_id = self.tabs[active_index].id().clone();
@@ -98,4 +113,28 @@ impl BrowserCore {
             .find(|tab| tab.id() == active_tab_id)
             .and_then(|tab| tab.split_id().cloned())
     }
+
+    fn active_split_title(&self, split_id: &SplitId) -> Result<String, CoreError> {
+        let layout = self
+            .split_layouts
+            .iter()
+            .find(|layout| layout.id() == split_id)
+            .ok_or_else(|| CoreError::SplitNotFound { id: split_id.clone() })?;
+        let pane_titles = layout
+            .panes()
+            .iter()
+            .filter_map(|pane| {
+                self.tabs
+                    .iter()
+                    .find(|tab| tab.id() == pane.tab_id())
+                    .map(|tab| tab.title().to_string())
+            })
+            .collect::<Vec<_>>();
+
+        Ok(match pane_titles.as_slice() {
+            [] => "Split View".to_string(),
+            [title] => format!("Split View: {title}"),
+            [first, second, ..] => format!("Split View: {first} + {second}"),
+        })
+    }
 }

crates/ely_browser_core/tests/splits.rs

@@ -42,6 +42,39 @@ fn split_right_command_focuses_new_pane() -> Result<(), Box<dyn Error>> {
     Ok(())
 }
 
+#[test]
+fn save_split_view_command_marks_active_layout() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    core.split_active_tab_right()?;
+
+    core.set_command_query(">save-split-view");
+    let intent = core.submit_command()?;
+    let snapshot = core.snapshot()?;
+    let layout = snapshot.split_layouts.first().ok_or("missing split layout")?;
+
+    assert_eq!(intent, Some(CommandIntent::Command("save-split-view".to_string())));
+    assert!(layout.saved());
+    assert_eq!(layout.title(), "Split View: New Tab + New Tab");
+    assert_eq!(snapshot.command_query, "");
+    Ok(())
+}
+
+#[test]
+fn save_split_view_command_preserves_query_without_active_split() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let active_tab_id = core.active_tab()?.id().clone();
+
+    core.set_command_query(">save-split-view");
+    let intent = core.submit_command()?;
+    let snapshot = core.snapshot()?;
+
+    assert_eq!(intent, Some(CommandIntent::Command("save-split-view".to_string())));
+    assert!(snapshot.split_layouts.is_empty());
+    assert_eq!(snapshot.active_tab_id, active_tab_id);
+    assert_eq!(snapshot.command_query, ">save-split-view");
+    Ok(())
+}
+
 #[test]
 fn closing_split_pane_dissolves_two_pane_layout() -> Result<(), Box<dyn Error>> {
     let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;