6b59a6cf62
* feat: add support for column text alignment * refactor(util): replace rpad with pad_align * refactor(columns): whitespace handling in parse_col * refactor: small changes * doc: add align option to doc generation * refactor: replace lpad with pad_align --------- Co-authored-by: Steven Arcangeli <stevearc@stevearc.com>
89 lines
2 KiB
Lua
89 lines
2 KiB
Lua
local util = require("oil.util")
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local M = {}
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local timers = {}
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local FPS = 20
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---@param bufnr integer
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---@return boolean
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M.is_loading = function(bufnr)
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return timers[bufnr] ~= nil
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end
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local spinners = {
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dots = { "⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏" },
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}
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---@param name_or_frames string|string[]
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---@return fun(): string
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M.get_iter = function(name_or_frames)
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local frames
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if type(name_or_frames) == "string" then
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frames = spinners[name_or_frames]
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if not frames then
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error(string.format("Unrecognized spinner: '%s'", name_or_frames))
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end
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else
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frames = name_or_frames
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end
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local i = 0
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return function()
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i = (i % #frames) + 1
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return frames[i]
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end
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end
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M.get_bar_iter = function(opts)
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opts = vim.tbl_deep_extend("keep", opts or {}, {
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bar_size = 3,
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width = 20,
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})
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local i = 0
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return function()
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local chars = { "[" }
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for _ = 1, opts.width - 2 do
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table.insert(chars, " ")
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end
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table.insert(chars, "]")
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for j = i - opts.bar_size, i do
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if j > 1 and j < opts.width then
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chars[j] = "="
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end
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end
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i = (i + 1) % (opts.width + opts.bar_size)
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return table.concat(chars, "")
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end
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end
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---@param bufnr integer
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---@param is_loading boolean
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M.set_loading = function(bufnr, is_loading)
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if is_loading then
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if timers[bufnr] == nil then
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local width = 20
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timers[bufnr] = vim.loop.new_timer()
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local bar_iter = M.get_bar_iter({ width = width })
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timers[bufnr]:start(
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200, -- Delay the loading screen just a bit to avoid flicker
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math.floor(1000 / FPS),
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vim.schedule_wrap(function()
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if not vim.api.nvim_buf_is_valid(bufnr) or not timers[bufnr] then
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M.set_loading(bufnr, false)
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return
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end
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local lines =
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{ util.pad_align("Loading", math.floor(width / 2) - 3, "right"), bar_iter() }
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util.render_text(bufnr, lines)
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end)
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)
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end
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elseif timers[bufnr] then
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timers[bufnr]:close()
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timers[bufnr] = nil
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end
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end
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return M
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