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koreader/frontend/apps/reader/modules/readergoto.lua
2014-11-12 12:29:38 +01:00

93 lines
2.6 KiB
Lua

local InputContainer = require("ui/widget/container/inputcontainer")
local InputDialog = require("ui/widget/inputdialog")
local UIManager = require("ui/uimanager")
local Screen = require("device").screen
local Event = require("ui/event")
local DEBUG = require("dbg")
local _ = require("gettext")
local ReaderGoto = InputContainer:new{
goto_menu_title = _("Go to"),
goto_dialog_title = _("Go to Page or Location"),
}
function ReaderGoto:init()
self.ui.menu:registerToMainMenu(self)
end
function ReaderGoto:addToMainMenu(tab_item_table)
-- insert goto command to main reader menu
table.insert(tab_item_table.navi, {
text = self.goto_menu_title,
callback = function()
self:onShowGotoDialog()
end,
})
end
function ReaderGoto:onShowGotoDialog()
DEBUG("show goto dialog")
self.goto_dialog = InputDialog:new{
title = self.goto_dialog_title,
input_hint = "(1 - "..self.document:getPageCount()..")",
buttons = {
{
{
text = _("Cancel"),
enabled = true,
callback = function()
self:close()
end,
},
{
text = _("Page"),
enabled = self.document.info.has_pages,
callback = function()
self:gotoPage()
end,
},
{
text = _("Location"),
enabled = not self.document.info.has_pages,
callback = function()
self:gotoLocation()
end,
},
},
},
input_type = "number",
enter_callback = self.document.info.has_pages
and function() self:gotoPage() end
or function() self:gotoLocation() end,
width = Screen:getWidth() * 0.8,
height = Screen:getHeight() * 0.2,
}
self.goto_dialog:onShowKeyboard()
UIManager:show(self.goto_dialog)
end
function ReaderGoto:close()
self.goto_dialog:onClose()
UIManager:close(self.goto_dialog)
end
function ReaderGoto:gotoPage()
local number = tonumber(self.goto_dialog:getInputText())
if number then
self.ui:handleEvent(Event:new("GotoPage", number))
end
self:close()
return true
end
function ReaderGoto:gotoLocation()
local number = tonumber(self.goto_dialog:getInputText())
if number then
self.ui:handleEvent(Event:new("GotoPage", number))
end
self:close()
return true
end
return ReaderGoto