489 lines
12 KiB
Lua
489 lines
12 KiB
Lua
local M = {}
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local function permission(file)
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local h = file
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if not h then
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return ""
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end
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local perm = h.cha:perm()
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if not perm then
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return ""
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end
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local spans = ""
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for i = 1, #perm do
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local c = perm:sub(i, i)
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spans = spans .. c
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end
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return spans
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end
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local function link_count(file)
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local h = file
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if h == nil or ya.target_family() ~= "unix" then
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return ""
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end
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return h.cha.nlink
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end
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local function owner_group(file)
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local h = file
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if h == nil or ya.target_family() ~= "unix" then
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return ""
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end
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return (ya.user_name(h.cha.uid) or tostring(h.cha.uid)) .. "/" .. (ya.group_name(h.cha.gid) or tostring(h.cha.gid))
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end
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local file_size_and_folder_childs = function(file)
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local h = file
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if not h or h.cha.is_link then
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return ""
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end
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return h.cha.len and ya.readable_size(h.cha.len) or ""
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end
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--- get file timestamp
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---@param file any
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---@param type "mtime" | "atime" | "btime"
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---@return any
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local function fileTimestamp(file, type)
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local h = file
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if not h or h.cha.is_link then
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return ""
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end
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local time = math.floor(h.cha[type] or 0)
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if time == 0 then
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return ""
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else
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return os.date("%Y-%m-%d %H:%M", time)
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end
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end
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-- Function to split a string by spaces (considering multiple spaces as one delimiter)
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local function split_by_whitespace(input)
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local result = {}
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for word in string.gmatch(input, "%S+") do
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table.insert(result, word)
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end
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return result
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end
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local function get_filesystem_extra(file)
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local result = {
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filesystem = "",
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device = "",
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type = "",
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used_space = "",
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avail_space = "",
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total_space = "",
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used_space_percent = "",
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avail_space_percent = "",
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error = nil,
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}
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local h = file
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local file_url = tostring(h.url)
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if not h or ya.target_family() ~= "unix" then
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return result
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end
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local output, _ = Command("tail")
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:args({ "-n", "-1" })
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:stdin(Command("df"):args({ "-P", "-T", "-h", file_url }):stdout(Command.PIPED):spawn():take_stdout())
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:stdout(Command.PIPED)
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:output()
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if output then
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-- Splitting the data
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local parts = split_by_whitespace(output.stdout)
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-- Display the result
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for i, part in ipairs(parts) do
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if i == 1 then
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result.filesystem = part
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elseif i == 2 then
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result.device = part
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elseif i == 3 then
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result.total_space = part
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elseif i == 4 then
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result.used_space = part
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elseif i == 5 then
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result.avail_space = part
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elseif i == 6 then
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result.used_space_percent = part
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result.avail_space_percent = 100 - tonumber((string.match(part, "%d+") or "0"))
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elseif i == 7 then
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result.type = part
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end
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end
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else
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result.error = "tail, df are installed?"
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end
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return result
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end
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local function attributes(file)
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local h = file
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local file_url = tostring(h.url)
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if not h or ya.target_family() ~= "unix" then
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return ""
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end
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local output, _ = Command("lsattr"):args({ "-d", file_url }):stdout(Command.PIPED):output()
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if output then
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-- Splitting the data
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local parts = split_by_whitespace(output.stdout)
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-- Display the result
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for i, part in ipairs(parts) do
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if i == 1 then
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return part
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end
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end
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return ""
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else
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return "lsattr is installed?"
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end
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end
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---shorten string
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---@param _s string string
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---@param _t string tail
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---@param _w number max characters
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---@return string
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local shorten = function(_s, _t, _w)
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local s = _s or utf8.len(_s)
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local t = _t or ""
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local ellipsis = "…" .. t
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local w = _w < utf8.len(ellipsis) and utf8.len(ellipsis) or _w
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local n_ellipsis = utf8.len(ellipsis) or 0
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if utf8.len(s) > w then
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return s:sub(1, (utf8.offset(s, w - n_ellipsis + 1) or 2) - 1) .. ellipsis
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end
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return s
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end
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local is_supported_table = type(ui.Table) ~= "nil" and type(ui.Row) ~= "nil"
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local styles = {
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header = ui.Style():fg("green"),
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row_label = ui.Style():fg("reset"),
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row_value = ui.Style():fg("blue"),
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row_value_spot_hovered = ui.Style():fg("blue"):reverse(),
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}
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function M:render_table(job, opts)
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local filesystem_extra = get_filesystem_extra(job.file)
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local prefix = " "
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local label_lines, value_lines, rows = {}, {}, {}
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local label_max_length = 15
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local file_name_extension = job.file.cha.is_dir and "…" or ("." .. (job.file.url.ext(job.file.url) or ""))
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local row = function(key, value)
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local h = type(value) == "table" and #value or 1
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rows[#rows + 1] = ui.Row({ ui.Line(key):style(styles.row_label), ui.Line(value):style(styles.row_value) })
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:height(h)
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end
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local file_name = shorten(
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job.file.name,
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file_name_extension,
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math.floor(job.area.w - label_max_length - utf8.len(file_name_extension))
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)
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local location =
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shorten(tostring(job.file.url:parent()), "", math.floor(job.area.w - label_max_length - utf8.len(prefix)))
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local filesystem_error = filesystem_extra.error
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and shorten(filesystem_extra.error, "", math.floor(job.area.w - label_max_length - utf8.len(prefix)))
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or nil
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local filesystem =
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shorten(filesystem_extra.filesystem, "", math.floor(job.area.w - label_max_length - utf8.len(prefix)))
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if not is_supported_table then
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table.insert(
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label_lines,
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ui.Line({
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ui.Span("Metadata:"),
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}):style(styles.header)
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)
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table.insert(
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value_lines,
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ui.Line({
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ui.Span(""),
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})
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)
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("File:"),
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}):style(styles.row_label)
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)
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table.insert(
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value_lines,
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ui.Line({
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ui.Span(file_name),
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}):style(styles.row_value)
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)
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Mimetype: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(job._mime or job.mime)):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Location: "),
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}):style(styles.row_label)
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)
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table.insert(
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value_lines,
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ui.Line({
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ui.Span(location),
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}):style(styles.row_value)
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)
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Mode: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(permission(job.file)):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Attributes: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(attributes(job.file))):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Links: "),
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}):style(styles.row_label)
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)
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table.insert(
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value_lines,
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ui.Line({
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ui.Span(tostring(link_count(job.file))),
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}):style(styles.row_value)
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)
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Owner: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(owner_group(job.file))):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Size: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(file_size_and_folder_childs(job.file))):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Created: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(fileTimestamp(job.file, "btime"))):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Modified: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(fileTimestamp(job.file, "mtime"))):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Accessed: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(fileTimestamp(job.file, "atime"))):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Filesystem: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(filesystem_error or filesystem)):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Device: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(filesystem_error or filesystem_extra.device)):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Type: "),
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}):style(styles.row_label)
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)
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table.insert(value_lines, ui.Line(ui.Span(filesystem_error or filesystem_extra.type)):style(styles.row_value))
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table.insert(
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label_lines,
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ui.Line({
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ui.Span(prefix),
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ui.Span("Free space: "),
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}):style(styles.row_label)
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)
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table.insert(
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value_lines,
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ui.Line(
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ui.Span(
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filesystem_extra.error
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or (
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filesystem_extra.avail_space
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.. " / "
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.. filesystem_extra.total_space
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.. " ("
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.. filesystem_extra.avail_space_percent
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.. "%)"
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)
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)
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):style(styles.row_value)
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)
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else
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rows[#rows + 1] = ui.Row({ "Metadata", "" }):style(styles.header)
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row(prefix .. "File:", file_name)
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row(prefix .. "Mimetype:", job.mime)
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row(prefix .. "Location:", location)
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row(prefix .. "Mode:", permission(job.file))
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row(prefix .. "Attributes:", attributes(job.file))
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row(prefix .. "Links:", tostring(link_count(job.file)))
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row(prefix .. "Owner:", owner_group(job.file))
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row(prefix .. "Size:", file_size_and_folder_childs(job.file))
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row(prefix .. "Created:", fileTimestamp(job.file, "btime"))
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row(prefix .. "Modified:", fileTimestamp(job.file, "mtime"))
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row(prefix .. "Accessed:", fileTimestamp(job.file, "atime"))
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row(prefix .. "Filesystem:", filesystem_error or filesystem)
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row(prefix .. "Device:", filesystem_error or filesystem_extra.device)
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row(prefix .. "Type:", filesystem_error or filesystem_extra.type)
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row(
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prefix .. "Free space:",
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filesystem_error
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or (
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(
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filesystem_extra.avail_space
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and filesystem_extra.total_space
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and filesystem_extra.avail_space_percent
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)
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and (filesystem_extra.avail_space .. " / " .. filesystem_extra.total_space .. " (" .. filesystem_extra.avail_space_percent .. "%)")
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or ""
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)
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)
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if opts and opts.show_plugins_section and PLUGIN then
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local spotter = PLUGIN.spotter(job.file.url, job.mime)
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local previewer = PLUGIN.previewer(job.file.url, job.mime)
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local fetchers = PLUGIN.fetchers(job.file, job.mime)
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local preloaders = PLUGIN.preloaders(job.file.url, job.mime)
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for i, v in ipairs(fetchers) do
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fetchers[i] = v.cmd
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end
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for i, v in ipairs(preloaders) do
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preloaders[i] = v.cmd
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end
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rows[#rows + 1] = ui.Row({ { "", "Plugins" }, "" }):height(2):style(styles.header)
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row(prefix .. "Spotter:", spotter and spotter.cmd or "")
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row(prefix .. "Previewer:", previewer and previewer.cmd or "")
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row(prefix .. "Fetchers:", #fetchers ~= 0 and fetchers or "")
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row(prefix .. "Preloaders:", #preloaders ~= 0 and preloaders or "")
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end
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end
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if not is_supported_table then
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local areas = ui.Layout()
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:direction(ui.Layout.HORIZONTAL)
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:constraints({ ui.Constraint.Length(label_max_length), ui.Constraint.Fill(1) })
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:split(job.area)
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local label_area = areas[1]
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local value_area = areas[2]
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return {
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ui.Text(label_lines):area(label_area):align(ui.Text.LEFT):wrap(ui.Text.WRAP_NO),
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ui.Text(value_lines):area(value_area):align(ui.Text.LEFT):wrap(ui.Text.WRAP_NO),
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}
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else
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return {
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ui.Table(rows):area(job.area):row(1):col(1):col_style(styles.row_value):widths({
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ui.Constraint.Length(label_max_length),
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ui.Constraint.Fill(1),
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}),
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}
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end
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end
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function M:peek(job)
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local start, cache = os.clock(), ya.file_cache(job)
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if not cache or self:preload(job) ~= 1 then
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return 1
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end
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ya.sleep(math.max(0, PREVIEW.image_delay / 1000 + start - os.clock()))
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ya.preview_widgets(job, self:render_table(job))
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end
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function M:seek(job)
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local h = cx.active.current.hovered
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if h and h.url == job.file.url then
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local step = math.floor(job.units * job.area.h / 10)
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ya.manager_emit("peek", {
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tostring(math.max(0, cx.active.preview.skip + step)),
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only_if = tostring(job.file.url),
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})
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end
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end
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function M:preload(job)
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local cache = ya.file_cache(job)
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if not cache or fs.cha(cache) then
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return 1
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end
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return 1
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end
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function M:spot(job)
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job.area = ui.Pos({ "center", w = 80, h = 25 })
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ya.spot_table(
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job,
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self:render_table(job, { show_plugins_section = true })[1]:cell_style(styles.row_value_spot_hovered)
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)
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end
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return M
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