snacks.nvim/lua/snacks/picker/select.lua

74 lines
2.2 KiB
Lua

local M = {}
---@alias snacks.picker.ui_select fun(items: any[], opts?: {prompt?: string, format_item?: (fun(item: any): string), kind?: string}, on_choice: fun(item?: any, idx?: number))
---@class snacks.picker.ui_select.Opts: vim.ui.select.Opts
---@field format_item? fun(item: any, is_snacks: boolean):(string|snacks.picker.Highlight[])
---@field picker? snacks.picker.Config
---@generic T
---@param items T[] Arbitrary items
---@param opts? snacks.picker.ui_select.Opts
---@param on_choice fun(item?: T, idx?: number)
function M.select(items, opts, on_choice)
assert(type(on_choice) == "function", "on_choice must be a function")
opts = opts or {}
local title = opts.prompt or "Select"
title = title:gsub("^%s*", ""):gsub("[%s:]*$", "")
local completed = false
opts.kind = opts.kind or (opts.picker and "snacks") or opts.kind
---@type snacks.picker.Config
local picker_opts = {
source = "select",
finder = function()
---@type snacks.picker.finder.Item[]
local ret = {}
for idx, item in ipairs(items) do
local text = (opts.format_item or tostring)(item)
---@type snacks.picker.finder.Item
local it = type(item) == "table" and setmetatable({}, { __index = item }) or {}
it.formatted = text
it.text = idx .. " " .. text
it.item = item
it.idx = idx
ret[#ret + 1] = it
end
return ret
end,
format = Snacks.picker.format.ui_select(opts),
title = title,
layout = opts.picker and opts.picker.layout or {
preview = false,
layout = {
height = math.floor(math.min(vim.o.lines * 0.8 - 10, #items + 2) + 0.5),
},
},
actions = {
confirm = function(picker, item)
if completed then
return
end
completed = true
picker:close()
vim.schedule(function()
on_choice(item and item.item, item and item.idx)
end)
end,
},
on_close = function()
if completed then
return
end
completed = true
vim.schedule(on_choice)
end,
}
if opts.picker then
picker_opts = Snacks.config.merge({}, vim.deepcopy(picker_opts), opts.picker)
end
return Snacks.picker.pick(picker_opts)
end
return M