Use openDirInEditor when editing a single dir

pkg/gui/controllers/files_controller.go

@@ -90,8 +90,8 @@ func (self *FilesController) GetKeybindings(opts types.KeybindingsOpts) []*types
 		},
 		{
 			Key:               opts.GetKey(opts.Config.Universal.Edit),
-			Handler:           self.withItems(self.edit),
-			GetDisabledReason: self.require(self.itemsSelected(self.canEditFiles)),
+			Handler:           self.withItems(self.editOrOpenDir),
+			GetDisabledReason: self.any(self.singleItemSelected(), self.itemsSelected(self.canEditFiles)),
 			Description:       self.c.Tr.Edit,
 			Tooltip:           self.c.Tr.EditFileTooltip,
 			DisplayOnScreen:   true,
@@ -913,6 +913,14 @@ func (self *FilesController) edit(nodes []*filetree.FileNode) error {
 		}))
 }
 
+func (self *FilesController) editOrOpenDir(nodes []*filetree.FileNode) error {
+	if len(nodes) == 1 && !nodes[0].IsFile() {
+		return self.c.Helpers().Files.OpenDirInEditor(nodes[0].GetPath())
+	} else {
+		return self.edit(nodes)
+	}
+}
+
 func (self *FilesController) canEditFiles(nodes []*filetree.FileNode) *types.DisabledReason {
 	if lo.NoneBy(nodes, func(node *filetree.FileNode) bool { return node.IsFile() }) {
 		return &types.DisabledReason{

pkg/gui/controllers/list_controller_trait.go

@@ -44,6 +44,21 @@ func (self *ListControllerTrait[T]) require(callbacks ...func() *types.DisabledR
 	}
 }
 
+// Complement to require - returns nil if any of the provided callbacks return nil.
+// If all callbacks return a non-nil DisabledReason, it returns the last one encountered.
+func (self *ListControllerTrait[T]) any(callbacks ...func() *types.DisabledReason) func() *types.DisabledReason {
+	return func() *types.DisabledReason {
+		var disabledReason *types.DisabledReason
+		for _, callback := range callbacks {
+			if disabledReason := callback(); disabledReason == nil {
+				return disabledReason
+			}
+		}
+
+		return disabledReason
+	}
+}
+
 // Convenience function for enforcing that a single item is selected.
 // Also takes callbacks for additional disabled reasons, and passes the selected
 // item into each one.