mirror of
https://github.com/koreader/koreader
synced 2024-10-31 21:20:20 +00:00
112 lines
3.1 KiB
Lua
112 lines
3.1 KiB
Lua
--[[--
|
|
SwitchPlugin creates a plugin with a switch to enable or disable it.
|
|
See spec/unit/switch_plugin_spec.lua for the usage.
|
|
]]
|
|
|
|
local ConfirmBox = require("ui/widget/confirmbox")
|
|
local DataStorage = require("datastorage")
|
|
local LuaSettings = require("luasettings")
|
|
local UIManager = require("ui/uimanager")
|
|
local WidgetContainer = require("ui/widget/container/widgetcontainer")
|
|
local logger = require("logger")
|
|
local _ = require("gettext")
|
|
|
|
local SwitchPlugin = WidgetContainer:new()
|
|
|
|
function SwitchPlugin:extend(o)
|
|
o = o or {}
|
|
setmetatable(o, self)
|
|
self.__index = self
|
|
return o
|
|
end
|
|
|
|
function SwitchPlugin:new(o)
|
|
o = self:extend(o)
|
|
assert(type(o.name) == "string", "name is required");
|
|
o.settings = LuaSettings:open(DataStorage:getSettingsDir() .. "/" .. o.name .. ".lua")
|
|
o.settings_id = 0
|
|
SwitchPlugin._init(o)
|
|
return o
|
|
end
|
|
|
|
function SwitchPlugin:_init()
|
|
if self.default_enable then
|
|
self.enabled = self.settings:nilOrTrue("enable")
|
|
else
|
|
self.enabled = not self.settings:nilOrFalse("enable")
|
|
end
|
|
self.settings_id = self.settings_id + 1
|
|
logger.dbg("SwitchPlugin:_init() self.enabled: ", self.enabled, " with id ", self.settings_id)
|
|
if self.enabled then
|
|
self:_start()
|
|
else
|
|
self:_stop()
|
|
end
|
|
end
|
|
|
|
function SwitchPlugin:flipSetting()
|
|
if self.default_enable then
|
|
self.settings:flipNilOrTrue("enable")
|
|
else
|
|
self.settings:flipNilOrFalse("enable")
|
|
end
|
|
self:_init()
|
|
end
|
|
|
|
function SwitchPlugin:onFlushSettings()
|
|
self.settings:flush()
|
|
end
|
|
|
|
--- Show a ConfirmBox to ask for enabling or disabling this plugin.
|
|
function SwitchPlugin:_showConfirmBox()
|
|
UIManager:show(ConfirmBox:new{
|
|
text = self:_confirmMessage(),
|
|
ok_text = self.enabled and _("Disable") or _("Enable"),
|
|
ok_callback = function()
|
|
self:flipSetting()
|
|
end,
|
|
})
|
|
end
|
|
|
|
function SwitchPlugin:_confirmMessage()
|
|
local result = ""
|
|
if type(self.confirm_message) == "string" then
|
|
result = self.confirm_message .. "\n"
|
|
elseif type(self.confirm_message) == "function" then
|
|
result = self.confirm_message() .. "\n"
|
|
end
|
|
if self.enabled then
|
|
result = result .. _("Do you want to disable it?")
|
|
else
|
|
result = result .. _("Do you want to enable it?")
|
|
end
|
|
return result
|
|
end
|
|
|
|
function SwitchPlugin:init()
|
|
if type(self.menu_item) == "string" and self.ui ~= nil and self.ui.menu ~= nil then
|
|
self.ui.menu:registerToMainMenu(self)
|
|
end
|
|
end
|
|
|
|
function SwitchPlugin:addToMainMenu(menu_items)
|
|
assert(type(self.menu_item) == "string",
|
|
"addToMainMenu should not be called without menu_item.")
|
|
assert(type(self.menu_text) == "string",
|
|
"Have you forgotten to set \"menu_text\"")
|
|
menu_items[self.menu_item] = {
|
|
text = self.menu_text,
|
|
callback = function()
|
|
self:_showConfirmBox()
|
|
end,
|
|
checked_func = function() return self.enabled end,
|
|
}
|
|
end
|
|
|
|
-- Virtual
|
|
function SwitchPlugin:_start() end
|
|
-- Virtual
|
|
function SwitchPlugin:_stop() end
|
|
|
|
return SwitchPlugin
|