feat: Support copy name and path (#385)

README.md

@@ -104,6 +104,9 @@ highlight NvimTreeFolderIcon guibg=blue
 - type `<C-r>` to rename a file and omit the filename on input
 - type `x` to add/remove file/directory to cut clipboard
 - type `c` to add/remove file/directory to copy clipboard
+- type `y` will copy name to system clipboard
+- type `Y` will copy relative path to system clipboard
+- type `gy` will copy absolute path to system clipboard
 - type `p` to paste from clipboard. Cut clipboard has precedence over copy (will prompt for confirmation)
 - type `d` to delete a file (will prompt for confirmation)
 - type `]c` to go to next git item
@@ -162,6 +165,9 @@ lua <<EOF
       ["x"]              = tree_cb("cut"),
       ["c"]              = tree_cb("copy"),
       ["p"]              = tree_cb("paste"),
+      ["y"]              = tree_cb("copy_name"),
+      ["Y"]              = tree_cb("copy_path"),
+      ["gy"]             = tree_cb("copy_absolute_path"),
       ["[c"]             = tree_cb("prev_git_item"),
       ["]c"]             = tree_cb("next_git_item"),
       ["-"]              = tree_cb("dir_up"),

lua/nvim-tree.lua

@@ -59,6 +59,9 @@ local keypress_funcs = {
   rename = fs.rename(false),
   full_rename = fs.rename(true),
   copy = fs.copy,
+  copy_name = fs.copy_filename,
+  copy_path = fs.copy_path,
+  copy_absolute_path = fs.copy_absolute_path,
   cut = fs.cut,
   paste = fs.paste,
   close_node = lib.close_node,

lua/nvim-tree/fs.lua

@@ -309,4 +309,27 @@ function M.print_clipboard()
   return api.nvim_out_write(table.concat(content, '\n')..'\n')
 end
 
+local function copy_to_clipboard(content)
+  vim.fn.setreg('+', content);
+  vim.fn.setreg('"', content);
+  return api.nvim_out_write(string.format('Copied %s to system clipboard! \n', content))
+end
+
+function M.copy_filename(node)
+  return copy_to_clipboard(node.name)
+end
+
+function M.copy_path(node)
+  local absolute_path = node.absolute_path
+  local relative_path = utils.path_relative(absolute_path, lib.Tree.cwd)
+  local content = node.entries ~= nil and utils.path_add_trailing(relative_path) or relative_path
+  return copy_to_clipboard(content)
+end
+
+function M.copy_absolute_path(node)
+  local absolute_path = node.absolute_path
+  local content = node.entries ~= nil and utils.path_add_trailing(absolute_path) or absolute_path
+  return copy_to_clipboard(content)
+end
+
 return M

lua/nvim-tree/view.lua

@@ -66,6 +66,9 @@ M.View = {
     ["x"]              = M.nvim_tree_callback("cut"),
     ["c"]              = M.nvim_tree_callback("copy"),
     ["p"]              = M.nvim_tree_callback("paste"),
+    ["y"]              = M.nvim_tree_callback("copy_name"),
+    ["Y"]              = M.nvim_tree_callback("copy_path"),
+    ["gy"]             = M.nvim_tree_callback("copy_absolute_path"),
     ["[c"]             = M.nvim_tree_callback("prev_git_item"),
     ["]c"]             = M.nvim_tree_callback("next_git_item"),
     ["-"]              = M.nvim_tree_callback("dir_up"),