typeterm editor: outfactor TreeNav-impl into separate file

nested/src/editors/typeterm/mod.rs

@@ -1,4 +1,5 @@
 mod ctx;
+mod nav;
 
 pub use ctx::init_ctx;
 
@@ -466,36 +467,6 @@ impl TypeTermEditor {
     }
 }
 
-impl TreeNav for TypeTermEditor {
-    fn get_cursor(&self) -> TreeCursor {
-        self.cur_node.get().get_cursor()
-    }
-
-    fn get_addr_view(&self) -> OuterViewPort<dyn SequenceView<Item = isize>> {
-        self.cur_node.get_port().map(|x| x.get_addr_view()).to_sequence().flatten()   
-    }
-
-    fn get_mode_view(&self) -> OuterViewPort<dyn SingletonView<Item = ListCursorMode>> {
-        self.cur_node.get_port().map(|x| x.get_mode_view()).flatten()
-    }
-
-    fn get_cursor_warp(&self) -> TreeCursor {
-        self.cur_node.get().get_cursor_warp()
-    }
-
-    fn get_height(&self) -> usize {
-        self.cur_node.get().get_height()
-    }
-
-    fn goby(&mut self, dir: Vector2<isize>) -> TreeNavResult {
-        self.cur_node.get_mut().goby(dir)
-    }
-
-    fn goto(&mut self, new_cur: TreeCursor) -> TreeNavResult {
-        self.cur_node.get_mut().goto(new_cur)
-    }
-}
-
 impl ObjCommander for TypeTermEditor {
     fn send_cmd_obj(&mut self, co: Arc<RwLock<ReprTree>>) -> TreeNavResult {
         let cur = self.get_cursor();

nested/src/editors/typeterm/nav.rs

@@ -0,0 +1,45 @@
+use {
+    r3vi::{
+        view::{
+            OuterViewPort,
+            singleton::*,
+            sequence::*
+        }
+    },
+    crate::{
+        tree::{TreeNav, TreeCursor, TreeNavResult},
+        editors::{typeterm::TypeTermEditor, list::ListCursorMode}
+    },
+    cgmath::Vector2
+};
+
+impl TreeNav for TypeTermEditor {
+    fn get_cursor(&self) -> TreeCursor {
+        self.cur_node.get().get_cursor()
+    }
+
+    fn get_addr_view(&self) -> OuterViewPort<dyn SequenceView<Item = isize>> {
+        self.cur_node.get_port().map(|x| x.get_addr_view()).to_sequence().flatten()   
+    }
+
+    fn get_mode_view(&self) -> OuterViewPort<dyn SingletonView<Item = ListCursorMode>> {
+        self.cur_node.get_port().map(|x| x.get_mode_view()).flatten()
+    }
+
+    fn get_cursor_warp(&self) -> TreeCursor {
+        self.cur_node.get().get_cursor_warp()
+    }
+
+    fn get_height(&self) -> usize {
+        self.cur_node.get().get_height()
+    }
+
+    fn goby(&mut self, dir: Vector2<isize>) -> TreeNavResult {
+        self.cur_node.get_mut().goby(dir)
+    }
+
+    fn goto(&mut self, new_cur: TreeCursor) -> TreeNavResult {
+        self.cur_node.get_mut().goto(new_cur)
+    }
+}
+