mirror of
https://github.com/koreader/koreader
synced 2024-11-04 12:00:25 +00:00
354 lines
13 KiB
Lua
354 lines
13 KiB
Lua
local InfoMessage = require("ui/widget/infomessage")
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local UIManager = require("ui/uimanager")
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local _ = require("gettext")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local InputDialog = require("ui/widget/inputdialog")
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local ConfirmBox = require("ui/widget/confirmbox")
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local CenterContainer = require("ui/widget/container/centercontainer")
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local Screen = require("ui/screen")
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local Menu = require("ui/widget/menu")
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local Font = require("ui/font")
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local SetDefaults = InputContainer:new{
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defaults_name = {},
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defaults_value = {},
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results = {},
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defaults_menu = {},
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already_read = false
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}
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local function settype(b,t)
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if t == "boolean" then
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if b == "false" then return false else return true end
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else
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return b
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end
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end
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local function __genOrderedIndex( t )
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-- this function is taken from http://lua-users.org/wiki/SortedIteration
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local orderedIndex = {}
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for key in pairs(t) do
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table.insert( orderedIndex, key )
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end
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table.sort( orderedIndex )
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return orderedIndex
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end
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local function orderedNext(t, state)
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-- this function is taken from http://lua-users.org/wiki/SortedIteration
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-- Equivalent of the next function, but returns the keys in the alphabetic
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-- order. We use a temporary ordered key table that is stored in the
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-- table being iterated.
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if state == nil then
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-- the first time, generate the index
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t.__orderedIndex = __genOrderedIndex( t )
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key = t.__orderedIndex[1]
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return key, t[key]
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end
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-- fetch the next value
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key = nil
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for i = 1,table.getn(t.__orderedIndex) do
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if t.__orderedIndex[i] == state then
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key = t.__orderedIndex[i+1]
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end
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end
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if key then
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return key, t[key]
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end
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-- no more value to return, cleanup
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t.__orderedIndex = nil
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return
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end
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local function orderedPairs(t)
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-- this function is taken from http://lua-users.org/wiki/SortedIteration
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-- Equivalent of the pairs() function on tables. Allows to iterate
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-- in order
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return orderedNext, t, nil
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end
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function SetDefaults:ConfirmEdit()
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if not SetDefaults.EditConfirmed then
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UIManager:show(ConfirmBox:new{
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text = _("Some changes will just work on the next restart. Wrong settings might crash Koreader! Continue?"),
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ok_callback = function()
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self.EditConfirmed = true
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self:init()
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end,
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})
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else
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self:init()
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end
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end
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function SetDefaults:init()
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self.defaults_name = {}
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self.defaults_value = {}
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self.results = {}
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self.filldefaults()
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local menu_container = CenterContainer:new{
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dimen = Screen:getSize(),
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}
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self.defaults_menu = Menu:new{
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width = Screen:getWidth()-15,
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height = Screen:getHeight()-15,
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cface = Font:getFace("cfont", 22),
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show_parent = menu_container,
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_manager = self,
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}
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table.insert(menu_container, self.defaults_menu)
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self.defaults_menu.close_callback = function()
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UIManager:close(menu_container)
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end
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for i=1,#self.defaults_name do
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local settings_type = type(_G[self.defaults_name[i]])
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if settings_type == "boolean" then
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table.insert(self.results, {
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text = self:build_setting(i),
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callback = function()
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GLOBAL_INPUT_VALUE = tostring(self.defaults_value[i])
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self.set_dialog = InputDialog:new{
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title = self.defaults_name[i] .. ":",
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buttons = {
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{
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{
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text = _("Cancel"),
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enabled = true,
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callback = function()
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self:close()
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UIManager:show(menu_container)
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end
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},
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{
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text = "true",
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enabled = true,
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callback = function()
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self.defaults_value[i] = true
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if not _G[self.defaults_name[i]] then
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_G[self.defaults_name[i]] = true
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settings_changed = true
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end
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self.results[i].text = self:build_setting(i)
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self:close()
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self.defaults_menu:swithItemTable("Defaults", self.results, i)
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UIManager:show(menu_container)
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end
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},
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{
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text = "false",
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enabled = true,
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callback = function()
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self.defaults_value[i] = false
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if _G[self.defaults_name[i]] then
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_G[self.defaults_name[i]] = false
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settings_changed = true
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end
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self.results[i].text = self:build_setting(i)
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self.defaults_menu:swithItemTable("Defaults", self.results, i)
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self:close()
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UIManager:show(menu_container)
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end
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},
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},
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},
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input_type = settings_type,
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width = Screen:getWidth() * 0.95,
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height = Screen:getHeight() * 0.2,
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}
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GLOBAL_INPUT_VALUE = nil
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self.set_dialog:onShowKeyboard()
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UIManager:show(self.set_dialog)
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end
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})
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else
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table.insert(self.results, {
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text = self:build_setting(i),
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callback = function()
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GLOBAL_INPUT_VALUE = tostring(self.defaults_value[i])
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self.set_dialog = InputDialog:new{
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title = self.defaults_name[i] .. ":",
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buttons = {
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{
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{
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text = _("Cancel"),
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enabled = true,
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callback = function()
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self:close()
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UIManager:show(menu_container)
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end,
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},
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{
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text = _("OK"),
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enabled = true,
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callback = function()
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if type(_G[self.defaults_name[i]]) == "table" then
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settings_changed = true
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self.defaults_value[i] = self.set_dialog:getInputText()
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elseif _G[self.defaults_name[i]] ~= settype(self.set_dialog:getInputText(),settings_type) then
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_G[self.defaults_name[i]] = settype(self.set_dialog:getInputText(),settings_type)
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settings_changed = true
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self.defaults_value[i] = _G[self.defaults_name[i]]
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end
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self.results[i].text = self:build_setting(i)
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self:close()
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self.defaults_menu:swithItemTable("Defaults", self.results, i)
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UIManager:show(menu_container)
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end,
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},
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},
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},
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input_type = settings_type,
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width = Screen:getWidth() * 0.95,
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height = Screen:getHeight() * 0.2,
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}
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GLOBAL_INPUT_VALUE = nil
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self.set_dialog:onShowKeyboard()
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UIManager:show(self.set_dialog)
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end
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})
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end
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end
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self.defaults_menu:swithItemTable("Defaults", self.results)
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UIManager:show(menu_container)
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end
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local function getTableValues(t,dtap)
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local dummy = "{"
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for n,v in pairs(t) do
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if dtap:sub(1,4) == "DTAP" or dtap:sub(1,11) == "DDOUBLE_TAP" then
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dummy = dummy .. tostring(n) .. " = " .. tostring(v) .. ", "
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elseif tonumber(v) then
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dummy = dummy .. tostring(v) .. ", "
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else
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dummy = dummy .. "\"" .. tostring(v) .. "\", "
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end
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end
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dummy = dummy:sub(1,string.len(dummy) - 2) .. "}"
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return dummy
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end
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function SetDefaults:filldefaults()
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if not SetDefaults.already_read then
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local i = 0
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for n,v in orderedPairs(_G) do
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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 ~= "GLOBAL_INPUT_VALUE" and n ~= "LIBRARY_PATH" then
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i = i + 1
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SetDefaults.defaults_name[i] = n
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SetDefaults.defaults_value[i] = v
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end
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if string.find(tostring(v), "table: ") and string.upper(n) == n and n ~= "ARGV" and n ~= "_G" then
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i = i + 1
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SetDefaults.defaults_name[i] = n
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SetDefaults.defaults_value[i] = getTableValues(v,n)
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end
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end
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SetDefaults.already_read = true
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end
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end
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function SetDefaults:close()
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self.set_dialog:onClose()
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UIManager:close(self.set_dialog)
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end
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function SetDefaults:ConfirmSave()
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UIManager:show(ConfirmBox:new{
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text = _("Are you sure to save the settings to \"defaults.persistent.lua\"?"),
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ok_callback = function()
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self:SaveSettings()
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end,
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})
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end
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function SetDefaults:build_setting(j)
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local ret = self.defaults_name[j] .. " = "
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if type(_G[self.defaults_name[j]]) == "boolean" or type(_G[self.defaults_name[j]]) == "table" then
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ret = ret .. tostring(self.defaults_value[j])
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elseif tonumber(self.defaults_value[j]) then
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ret = ret .. tostring(tonumber(self.defaults_value[j]))
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else
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ret = ret .. "\"" .. tostring(self.defaults_value[j]) .. "\""
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end
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return ret
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end
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function SetDefaults:SaveSettings()
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local function fileread(filename,array)
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local file = io.open(filename)
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local line = file:read()
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local counter = 0
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while line do
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counter = counter + 1
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local i = string.find(line,"[-][-]") -- remove comments from file
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if (i or 0)>1 then line = string.sub(line,1,i-1) end
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array[counter] = line:gsub("^%s*(.-)%s*$", "%1") -- trim
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line = file:read()
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end
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file:close()
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end
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local filename = "defaults.persistent.lua"
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local file
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if io.open(filename,"r") == nil then
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file = io.open(filename, "w")
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file:write("-- For configuration changes that persists between (nightly) releases\n")
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file:close()
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end
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local dpl = {}
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fileread("defaults.persistent.lua",dpl)
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local dl = {}
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fileread("defaults.lua",dl)
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self.results = {}
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self.filldefaults()
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local done = {}
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-- handle case "found in persistent", replace it
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for i = 1,#dpl do
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for j=1,#SetDefaults.defaults_name do
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if string.find(dpl[i],SetDefaults.defaults_name[j] .. " ") == 1 then
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dpl[i] = self:build_setting(j)
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done[j] = true
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end
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end
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end
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-- handle case "exists identical in non-persistent", ignore it
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for i = 1,#dl do
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for j=1,#SetDefaults.defaults_name do
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if dl[i]:gsub("1/4","0.25"):gsub("2/4","0.5"):gsub("3/4","0.75"):gsub("4/4","1"):gsub("1/8","0.125"):gsub("2/8","0.25"):gsub("3/8","0.375"):gsub("4/8","0.5"):gsub("5/8","0.625"):gsub("6/8","0.75"):gsub("7/8","0.875"):gsub("8/8","1"):gsub("1/16","0.0625"):gsub("15/16","0.9375"):gsub("1024[*]1024[*]10","10485760"):gsub("1024[*]1024[*]30","31457280"):gsub("[.]0$",""):gsub("([.][0-9]+)0","%1") == self:build_setting(j) then
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done[j] = true
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end
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end
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end
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-- handle case "not in persistent and different in non-persistent", add to persistent
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for j=1,#SetDefaults.defaults_name do
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if not done[j] then
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dpl[#dpl+1] = self:build_setting(j)
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end
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end
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file = io.open("defaults.persistent.lua", "w")
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for i = 1,#dpl do
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file:write(dpl[i] .. "\n")
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end
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file:close()
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UIManager:show(InfoMessage:new{text = _("Default settings successfully saved!")})
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settings_changed = false
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end
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return SetDefaults
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