nvim-tree.lua/lua/tree.lua
2020-06-07 14:51:46 +02:00

154 lines
3.5 KiB
Lua

local luv = vim.loop
local tree = require'lib.tree'
local colors = require'lib.colors'
local renderer = require'lib.renderer'
local fs = require'lib.fs'
local api = vim.api
local M = {}
function M.toggle()
if tree.win_open() then
tree.close()
else
tree.open()
end
end
function M.close()
if tree.win_open() then
tree.close()
end
end
function M.open()
if not tree.win_open() then
tree.open()
end
end
function M.on_keypress(mode)
local node = tree.get_node_at_cursor()
if not node then return end
if mode == 'create' then
return fs.create(node)
elseif mode == 'remove' then
return fs.remove(node)
elseif mode == 'rename' then
return fs.rename(node)
end
if mode == 'preview' then
if node.entries ~= nil or node.name == '..' then return end
return tree.open_file(mode, node.absolute_path)
end
if node.name == ".." then
return tree.change_dir("..")
elseif mode == "cd" and node.entries ~= nil then
return tree.change_dir(node.absolute_path)
elseif mode == "cd" then
return
end
if node.link_to then
local stat = luv.fs_stat(node.link_to)
-- TODO: potentially CD here
if stat.type == 'directory' then return end
tree.open_file(mode, node.link_to)
elseif node.entries ~= nil then
tree.unroll_dir(node)
else
tree.open_file(mode, node.absolute_path)
end
end
function M.refresh()
tree.refresh_tree()
end
function M.on_enter()
local bufnr = api.nvim_get_current_buf()
local bufname = api.nvim_buf_get_name(bufnr)
local stats = luv.fs_stat(bufname)
local is_dir = stats and stats.type == 'directory'
if is_dir then
api.nvim_command('cd '..bufname)
end
local should_open = vim.g.lua_tree_auto_open == 1 and (bufname == '' or is_dir)
colors.setup()
tree.init(should_open, should_open)
end
local function is_file_readable(fname)
local stat = luv.fs_stat(fname)
if not stat or not stat.type == 'file' or not luv.fs_access(fname, 'R') then return false end
return true
end
local function find_file()
local bufname = api.nvim_buf_get_name(api.nvim_get_current_buf())
if not is_file_readable(bufname) then return end
tree.set_index_and_redraw(bufname)
end
function M.on_leave()
vim.defer_fn(function()
if #api.nvim_list_wins() == 1 and tree.win_open() then
api.nvim_command(':qa!')
end
end, 50)
end
local function update_root_dir()
local bufname = api.nvim_buf_get_name(api.nvim_get_current_buf())
if not is_file_readable(bufname) or not tree.Tree.cwd then return end
-- this logic is a hack
-- depending on vim-rooter or autochdir, it would not behave the same way when those two are not enabled
-- until i implement multiple workspaces/project, it should stay like this
if bufname:match(tree.Tree.cwd:gsub('(%-)', '(%%-)'):gsub('(%.)', '(%%.)')) ~= nil then
return
end
local new_cwd = luv.cwd()
if tree.Tree.cwd == new_cwd then return end
tree.change_dir(new_cwd)
end
function M.buf_enter()
update_root_dir()
if vim.g.lua_tree_follow ~= 0 then
find_file()
end
end
function M.reset_highlight()
colors.setup()
renderer.render_hl(tree.Tree.bufnr)
end
function M.xdg_open()
local node = tree.get_node_at_cursor()
-- TODO: this should open symlink targets
if not node or node.entries or node.link_to then return end
local cmd
if vim.fn.has('unix') == 1 then
cmd = 'xdg-open'
else
cmd = 'open'
end
vim.loop.spawn(cmd, {args={node.absolute_path}}, vim.schedule_wrap(function(code)
if code ~= 0 then
api.nvim_err_writeln("Could not open "..node.absolute_path)
end
end))
end
return M