autocommit 2022-04-23 00:55:20 CEST

src/tree/containing.rs

@@ -0,0 +1,17 @@
+use {
+    crate::tree::{Node, ToplevelNode},
+    std::rc::Rc,
+};
+
+pub trait ContainingNode: Node {
+    fn cnode_as_node(&self) -> &dyn Node;
+    fn cnode_into_node(self: Rc<Self>) -> Rc<dyn Node>;
+    fn cnode_into_dyn(self: Rc<Self>) -> Rc<dyn ContainingNode>;
+
+    fn cnode_replace_child(self: Rc<Self>, old: &dyn Node, new: Rc<dyn ToplevelNode>);
+    fn cnode_remove_child(self: Rc<Self>, child: &dyn Node) {
+        self.cnode_remove_child2(child, false);
+    }
+    fn cnode_remove_child2(self: Rc<Self>, child: &dyn Node, preserve_focus: bool);
+    fn cnode_accepts_child(&self, node: &dyn Node) -> bool;
+}