Files
nvim-tree.lua/lua/nvim-tree/renderer/help.lua
2021-10-10 11:48:02 +02:00

53 lines
1.5 KiB
Lua

local view = require'nvim-tree.view'
local M = {}
function M.compute_lines()
local help_lines = {'HELP'}
local help_hl = {{'NvimTreeRootFolder', 0, 0, #help_lines[1]}}
local mappings = vim.tbl_filter(function(v)
return v.cb ~= nil and v.cb ~= ""
end, view.View.mappings)
local processed = {}
for _, b in pairs(mappings) do
local cb = b.cb
local key = b.key
local name
if cb:sub(1,35) == view.nvim_tree_callback('test'):sub(1,35) then
name = cb:match("'[^']+'[^']*$")
name = name:match("'[^']+'")
table.insert(processed, {key, name, true})
else
name = (b.name ~= nil) and b.name or cb
name = '"' .. name .. '"'
table.insert(processed, {key, name, false})
end
end
table.sort(processed, function(a,b)
return (a[3] == b[3]
and (a[2] < b[2] or (a[2] == b[2] and #a[1] < #b[1])))
or (a[3] and not b[3])
end)
local num = 0
for _, val in pairs(processed) do
local keys = type(val[1]) == "string" and {val[1]} or val[1]
local map_name = val[2]
local builtin = val[3]
for _, key in pairs(keys) do
num = num + 1
local bind_string = string.format("%6s : %s", key, map_name)
table.insert(help_lines, bind_string)
local hl_len = math.max(6, string.len(key)) + 2
table.insert(help_hl, {'NvimTreeFolderName', num, 0, hl_len})
if not builtin then
table.insert(help_hl, {'NvimTreeFileRenamed', num, hl_len, -1})
end
end
end
return help_lines, help_hl
end
return M