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koreader/frontend/ui/widget/confirmbox.lua
2014-03-13 21:52:43 +08:00

106 lines
3.0 KiB
Lua

local CenterContainer = require("ui/widget/container/centercontainer")
local FrameContainer = require("ui/widget/container/centercontainer")
local FocusManager = require("ui/widget/focusmanager")
local Button = require("ui/widget/button")
local VerticalGroup = require("ui/widget/verticalgroup")
local ImageWidget = require("ui/widget/imagewidget")
local TextBoxWidget = require("ui/widget/textboxwidget")
local Font = require("ui/font")
local UIManager = require("ui/uimanager")
local Screen = require("ui/screen")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local VerticalSpan = require("ui/widget/verticalspan")
local HorizontalSpan = require("ui/widget/horizontalspan")
local DEBUG = require("dbg")
local _ = require("gettext")
-- screen
--[[
Widget that shows a message and OK/Cancel buttons
]]
local ConfirmBox = FocusManager:new{
text = _("no text"),
width = nil,
ok_text = _("OK"),
cancel_text = _("Cancel"),
ok_callback = function() end,
cancel_callback = function() end,
}
function ConfirmBox:init()
-- calculate box width on the fly if not given
if not self.width then
self.width = Screen:getWidth() - 200
end
-- build bottons
self.key_events.Close = { {{"Home","Back"}}, doc = _("cancel") }
self.key_events.Select = { {{"Enter","Press"}}, doc = _("chose selected option") }
local ok_button = Button:new{
text = self.ok_text,
callback = function()
self.ok_callback()
UIManager:close(self)
end,
}
local cancel_button = Button:new{
text = self.cancel_text,
preselect = true,
callback = function()
self.cancel_callback()
UIManager:close(self)
end,
}
self.layout = { { ok_button, cancel_button } }
self.selected.x = 2 -- Cancel is default
self[1] = CenterContainer:new{
dimen = Screen:getSize(),
FrameContainer:new{
margin = 2,
background = 0,
padding = 10,
HorizontalGroup:new{
ImageWidget:new{
file = "resources/info-i.png"
},
HorizontalSpan:new{ width = 10 },
VerticalGroup:new{
align = "left",
TextBoxWidget:new{
text = self.text,
face = Font:getFace("cfont", 30),
width = self.width,
},
VerticalSpan:new{ width = 10 },
HorizontalGroup:new{
ok_button,
HorizontalSpan:new{ width = 10 },
cancel_button,
}
}
}
}
}
end
function ConfirmBox:onClose()
UIManager:close(self)
return true
end
function ConfirmBox:onSelect()
DEBUG("selected:", self.selected.x)
if self.selected.x == 1 then
self:ok_callback()
else
self:cancel_callback()
end
UIManager:close(self)
return true
end
return ConfirmBox