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mirror of https://github.com/koreader/koreader synced 2024-11-10 01:10:34 +00:00
koreader/frontend/apps/filemanager/filemanagersetdefaults.lua
2014-08-24 10:09:15 +02:00

338 lines
12 KiB
Lua

local InfoMessage = require("ui/widget/infomessage")
local UIManager = require("ui/uimanager")
local _ = require("gettext")
local InputContainer = require("ui/widget/container/inputcontainer")
local InputDialog = require("ui/widget/inputdialog")
local ConfirmBox = require("ui/widget/confirmbox")
local CenterContainer = require("ui/widget/container/centercontainer")
local Screen = require("ui/screen")
local Menu = require("ui/widget/menu")
local Font = require("ui/font")
local SetDefaults = InputContainer:new{
defaults_name = {},
defaults_value = {},
results = {},
defaults_menu = {},
already_read = false,
changed = {}
}
local function settype(b,t)
if t == "boolean" then
if b == "false" then return false else return true end
else
return b
end
end
local function __genOrderedIndex( t )
-- this function is taken from http://lua-users.org/wiki/SortedIteration
local orderedIndex = {}
for key in pairs(t) do
table.insert( orderedIndex, key )
end
table.sort( orderedIndex )
return orderedIndex
end
local function orderedNext(t, state)
-- this function is taken from http://lua-users.org/wiki/SortedIteration
-- Equivalent of the next function, but returns the keys in the alphabetic
-- order. We use a temporary ordered key table that is stored in the
-- table being iterated.
if state == nil then
-- the first time, generate the index
t.__orderedIndex = __genOrderedIndex( t )
key = t.__orderedIndex[1]
return key, t[key]
end
-- fetch the next value
key = nil
for i = 1,table.getn(t.__orderedIndex) do
if t.__orderedIndex[i] == state then
key = t.__orderedIndex[i+1]
end
end
if key then
return key, t[key]
end
-- no more value to return, cleanup
t.__orderedIndex = nil
return
end
local function orderedPairs(t)
-- this function is taken from http://lua-users.org/wiki/SortedIteration
-- Equivalent of the pairs() function on tables. Allows to iterate
-- in order
return orderedNext, t, nil
end
local function getTableValues(t,dtap)
local dummy = "{"
for n,v in pairs(t) do
if dtap:sub(1,4) == "DTAP" or dtap:sub(1,11) == "DDOUBLE_TAP" then
dummy = dummy .. tostring(n) .. " = " .. tostring(v) .. ", "
elseif tonumber(v) then
dummy = dummy .. tostring(v) .. ", "
else
dummy = dummy .. "\"" .. tostring(v) .. "\", "
end
end
dummy = dummy:sub(1,string.len(dummy) - 2) .. "}"
return dummy
end
function SetDefaults:ConfirmEdit()
if not SetDefaults.EditConfirmed then
UIManager:show(ConfirmBox:new{
text = _("Some changes will just work on the next restart. Wrong settings might crash Koreader! Continue?"),
ok_callback = function()
self.EditConfirmed = true
self:init()
end,
})
else
self:init()
end
end
function SetDefaults:init()
self.results = {}
if not self.already_read then
local i = 0
for n,v in orderedPairs(_G) do
if (not string.find(tostring(v), "<")) and (not string.find(tostring(v), ": ")) and string.sub(n,1,1) ~= "_" and string.upper(n) == n and n ~= "LIBRARY_PATH" then
i = i + 1
self.defaults_name[i] = n
self.defaults_value[i] = v
end
if string.find(tostring(v), "table: ") and string.upper(n) == n and n ~= "ARGV" and n ~= "_G" then
i = i + 1
self.defaults_name[i] = n
self.defaults_value[i] = getTableValues(v,n)
end
end
self.already_read = true
end
local menu_container = CenterContainer:new{
dimen = Screen:getSize(),
}
self.defaults_menu = Menu:new{
width = Screen:getWidth()-15,
height = Screen:getHeight()-15,
cface = Font:getFace("cfont", 22),
show_parent = menu_container,
_manager = self,
}
table.insert(menu_container, self.defaults_menu)
self.defaults_menu.close_callback = function()
UIManager:close(menu_container)
end
for i=1,#self.defaults_name do
self.changed[i] = false
local settings_type = type(_G[self.defaults_name[i]])
if settings_type == "boolean" then
table.insert(self.results, {
text = self:build_setting(i),
callback = function()
self.set_dialog = InputDialog:new{
title = self.defaults_name[i] .. ":",
input = tostring(self.defaults_value[i]),
buttons = {
{
{
text = _("Cancel"),
enabled = true,
callback = function()
self:close()
UIManager:show(menu_container)
end
},
{
text = "true",
enabled = true,
callback = function()
self.defaults_value[i] = true
_G[self.defaults_name[i]] = true
settings_changed = true
self.changed[i] = true
self.results[i].text = self:build_setting(i)
self:close()
self.defaults_menu:swithItemTable("Defaults", self.results, i)
UIManager:show(menu_container)
end
},
{
text = "false",
enabled = true,
callback = function()
self.defaults_value[i] = false
_G[self.defaults_name[i]] = false
settings_changed = true
self.changed[i] = true
self.results[i].text = self:build_setting(i)
self.defaults_menu:swithItemTable("Defaults", self.results, i)
self:close()
UIManager:show(menu_container)
end
},
},
},
input_type = settings_type,
width = Screen:getWidth() * 0.95,
height = Screen:getHeight() * 0.2,
}
self.set_dialog:onShowKeyboard()
UIManager:show(self.set_dialog)
end
})
else
table.insert(self.results, {
text = self:build_setting(i),
callback = function()
self.set_dialog = InputDialog:new{
title = self.defaults_name[i] .. ":",
input = tostring(self.defaults_value[i]),
buttons = {
{
{
text = _("Cancel"),
enabled = true,
callback = function()
self:close()
UIManager:show(menu_container)
end,
},
{
text = _("OK"),
enabled = true,
callback = function()
if type(_G[self.defaults_name[i]]) == "table" then
self.defaults_value[i] = self.set_dialog:getInputText()
elseif _G[self.defaults_name[i]] ~= settype(self.set_dialog:getInputText(),settings_type) then
_G[self.defaults_name[i]] = settype(self.set_dialog:getInputText(),settings_type)
self.defaults_value[i] = _G[self.defaults_name[i]]
end
settings_changed = true
self.changed[i] = true
self.results[i].text = self:build_setting(i)
self:close()
self.defaults_menu:swithItemTable("Defaults", self.results, i)
UIManager:show(menu_container)
end,
},
},
},
input_type = settings_type,
width = Screen:getWidth() * 0.95,
height = Screen:getHeight() * 0.2,
}
self.set_dialog:onShowKeyboard()
UIManager:show(self.set_dialog)
end
})
end
end
self.defaults_menu:swithItemTable("Defaults", self.results)
UIManager:show(menu_container)
end
function SetDefaults:close()
self.set_dialog:onClose()
UIManager:close(self.set_dialog)
end
function SetDefaults:ConfirmSave()
UIManager:show(ConfirmBox:new{
text = _("Are you sure to save the settings to \"defaults.persistent.lua\"?"),
ok_callback = function()
self:SaveSettings()
end,
})
end
function SetDefaults:build_setting(j)
local ret = self.defaults_name[j] .. " = "
if type(_G[self.defaults_name[j]]) == "boolean" or type(_G[self.defaults_name[j]]) == "table" then
ret = ret .. tostring(self.defaults_value[j])
elseif tonumber(self.defaults_value[j]) then
ret = ret .. tostring(tonumber(self.defaults_value[j]))
else
ret = ret .. "\"" .. tostring(self.defaults_value[j]) .. "\""
end
return ret
end
function SetDefaults:SaveSettings()
local function fileread(filename,array)
local file = io.open(filename)
local line = file:read()
local counter = 0
while line do
counter = counter + 1
local i = string.find(line,"[-][-]") -- remove comments from file
if (i or 0)>1 then line = string.sub(line,1,i-1) end
array[counter] = line:gsub("^%s*(.-)%s*$", "%1") -- trim
line = file:read()
end
file:close()
end
local filename = "defaults.persistent.lua"
local file
if io.open(filename,"r") == nil then
file = io.open(filename, "w")
file:write("-- For configuration changes that persists between (nightly) releases\n")
file:close()
end
local dpl = {}
fileread("defaults.persistent.lua",dpl)
local dl = {}
fileread("defaults.lua",dl)
self.results = {}
local done = {}
for j=1,#SetDefaults.defaults_name do
if not self.changed[j] then done[j] = true end
end
-- handle case "found in persistent", replace it
for i = 1,#dpl do
for j=1,#SetDefaults.defaults_name do
if not done[j] and string.find(dpl[i],SetDefaults.defaults_name[j] .. " ") == 1 then
dpl[i] = self:build_setting(j)
done[j] = true
end
end
end
-- handle case "not in persistent and different in non-persistent", add to persistent
for j=1,#SetDefaults.defaults_name do
if not done[j] then
dpl[#dpl+1] = self:build_setting(j)
end
end
file = io.open("defaults.persistent.lua", "w")
for i = 1,#dpl do
file:write(dpl[i] .. "\n")
end
file:close()
UIManager:show(InfoMessage:new{text = _("Default settings successfully saved!")})
settings_changed = false
end
return SetDefaults