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koreader/frontend/ui/downloadmgr.lua
2017-05-06 18:25:24 -07:00

60 lines
1.8 KiB
Lua

--[[--
This module displays a PathChooser widget to choose a download directory.
It can be used as a callback on a button or menu item.
Example:
callback = function()
require("ui/downloadmgr"):new{
title = _("Choose download directory"),
onConfirm = function(path)
logger.dbg("set download directory to", path)
G_reader_settings:saveSetting("download_dir", path)
UIManager:nextTick(function()
-- reinitialize dialog
end)
end,
}:chooseDir()
]]
local PathChooser = require("ui/widget/pathchooser")
local UIManager = require("ui/uimanager")
local Screen = require("device").screen
local util = require("ffi/util")
local _ = require("gettext")
local DownloadMgr = {
title = _("Long press to choose download directory"),
onConfirm = function() end,
}
function DownloadMgr:new(from_o)
local o = from_o or {}
setmetatable(o, self)
self.__index = self
return o
end
--- Displays a PathChooser widget for picking a (download) directory.
-- @treturn string path chosen by the user
function DownloadMgr:chooseDir()
local lastdir = G_reader_settings:readSetting("lastdir")
local download_dir = G_reader_settings:readSetting("download_dir")
local path_chooser = PathChooser:new{
title = self.title,
height = Screen:getHeight(),
path = download_dir and (download_dir .. "/..") or lastdir,
show_hidden = G_reader_settings:readSetting("show_hidden"),
onConfirm = function(path)
-- hack to remove additional parent
if path:sub(-3, -1) == "/.." then
path = path:sub(1, -4)
end
self.onConfirm(util.realpath(path))
end
}
UIManager:show(path_chooser)
end
return DownloadMgr