feat: add trashing (#749)

lua/nvim-tree/trash.lua

@@ -0,0 +1,72 @@
+local M = {}
+
+local lib = require'nvim-tree.lib'
+local utils = require'nvim-tree.utils'
+local events = require'nvim-tree.events'
+local api = vim.api
+
+local function clear_buffer(absolute_path)
+  local bufs = vim.fn.getbufinfo({bufloaded = 1, buflisted = 1})
+  for _, buf in pairs(bufs) do
+    if buf.name == absolute_path then
+      if buf.hidden == 0 and #bufs > 1 then
+        local winnr = api.nvim_get_current_win()
+        api.nvim_set_current_win(buf.windows[1])
+        vim.cmd(':bn')
+        api.nvim_set_current_win(winnr)
+      end
+      vim.api.nvim_buf_delete(buf.bufnr, {})
+      return
+    end
+  end
+end
+
+function M.trash_node(node, cfg)
+  if node.name == '..' then return end
+
+  -- configs
+  if cfg.is_unix then
+    if cfg.trash.cmd == nil then cfg.trash.cmd = 'trash' end
+    if cfg.trash.require_confirm  == nil then cfg.trash.require_confirm  = true end
+  else
+    print('trash is currently a UNIX only feature!')
+  end
+
+  -- trashes a path (file or folder)
+  local function trash_path(on_exit)
+    vim.fn.jobstart(cfg.trash.cmd.." "..node.absolute_path, {
+      detach = true,
+      on_exit = on_exit,
+    })
+  end
+
+  local is_confirmed = true
+
+  -- confirmation prompt
+  if cfg.trash.require_confirm then
+    is_confirmed = false
+    print("Trash " ..node.name.. " ? y/n")
+    local ans = utils.get_user_input_char()
+    if ans:match('^y') then is_confirmed = true end
+    utils.clear_prompt()
+  end
+
+  -- trashing
+  if is_confirmed then
+    if node.entries ~= nil and not node.link_to then
+      trash_path(function()
+        events._dispatch_folder_removed(node.absolute_path)
+        lib.refresh_tree()
+      end)
+    else
+      trash_path(function()
+        events._dispatch_file_removed(node.absolute_path)
+        clear_buffer(node.absolute_path)
+        lib.refresh_tree()
+      end)
+    end
+
+  end
+end
+
+return M

lua/nvim-tree/view.lua

@@ -61,6 +61,7 @@ M.View = {
     { key = "R",                            cb = M.nvim_tree_callback("refresh") },
     { key = "a",                            cb = M.nvim_tree_callback("create") },
     { key = "d",                            cb = M.nvim_tree_callback("remove") },
+    { key = "D",                            cb = M.nvim_tree_callback("trash") },
     { key = "r",                            cb = M.nvim_tree_callback("rename") },
     { key = "<C-r>",                        cb = M.nvim_tree_callback("full_rename") },
     { key = "x",                            cb = M.nvim_tree_callback("cut") },