yazi: quick-folder plugin

home.nix

@@ -336,6 +336,7 @@ in {
           rev = "2e8079e4a7f6315de99a5b968ed5fda479f1f39c";
           hash = "sha256-wHTR8frrFL3cUD8fvSTO+m/77wQ7auVjTZ1uCTB/UzU=";
         };
+      quick-folder = ./quick-folder.yazi;
     };
     settings = {
       plugin.prepend_previewers = [
@@ -347,6 +348,25 @@ in {
       # larger rename box
       input.rename_offset = [0 1 200 3];
     };
+    keymap = {
+      mgr.prepend_keymap = [
+        {
+          on = ["g" "j"];
+          run = "cd ~/Johnny.Decimal";
+          desc = "Go to Johnny Decimal";
+        }
+        {
+          on = "A";
+          run = "create --dir";
+          desc = "Create directory";
+        }
+        {
+          on = "b";
+          run = ["plugin quick-folder"];
+          desc = "Create directory with name of hovered file and move selected files into it";
+        }
+      ];
+    };
   };
 
   xsession.windowManager.xmonad = {

quick-folder.yazi/LICENSE

@@ -0,0 +1,2 @@
+Copyright 2025 Khaïs COLIN
+All rights reserved

quick-folder.yazi/README.md

@@ -0,0 +1,5 @@
+Create a new folder and quickly move files into it
+
+The name of the new folder is the first selected file, or the hovered file if no files are selected, and can be edited before creation
+
+The files moved into the new folder are all selected files, or the hovered file if no files are selected

quick-folder.yazi/main.lua

@@ -0,0 +1,60 @@
+local get_hovered_url = ya.sync(function(state)
+  if not state.hovered_url then
+    state.hovered_url = cx.active.current.hovered.url
+  end
+  return Url(state.hovered_url)
+end)
+
+local get_selected_files = ya.sync(function(state)
+  local selected = {}
+  for _, url in pairs(cx.active.selected) do
+    selected[#selected + 1] = url
+  end
+  return selected
+end)
+
+local get_wanted_dir_name = function()
+  local url = get_selected_files()[0] or get_hovered_url()
+  local name = url.stem
+  local edited, event = ya.input {
+    title = "Dir name:",
+    value = name,
+    position = {"hovered", x = 0, y = 0, w = 200, h = 3}
+  }
+  ya.dbg("got dir name from user", edited, "with confirm", event)
+  if event == 1 then -- did user confirm?
+    return Url(edited)
+  else
+    return undefined
+  end
+end
+
+local get_files_to_move = function()
+  local files_to_move = get_selected_files()
+  if #files_to_move == 0 then
+    files_to_move[1] = get_hovered_url()
+  end
+  return files_to_move
+end
+
+return {
+  entry = function(state, job)
+    state.hovered_url = undefined
+    local wanted_dir_name = get_wanted_dir_name()
+    if not wanted_dir_name then
+      return
+    end
+    local ok, err = fs.create("dir", wanted_dir_name)
+    if not ok then
+      ya.notify { title = "Failed to create directory", content = err }
+      return
+    end
+    local files_to_move = get_files_to_move()
+    ya.dbg("files to move", files_to_move)
+    for i, file in pairs(files_to_move) do
+      local dest = wanted_dir_name:join(file.name)
+      ya.dbg("moving file", i, "of", #files_to_move, file, "to", dest)
+      os.rename(tostring(file), tostring(dest))
+    end
+  end
+}