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https://github.com/koreader/koreader
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992e769aaf
We can input relative page number now in the reader goto dialog. Goto "+4" will page forward 4 pages and goto "-4" will page backward 4 pages. This implements #1437.
87 lines
2.5 KiB
Lua
87 lines
2.5 KiB
Lua
local InputContainer = require("ui/widget/container/inputcontainer")
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local InputDialog = require("ui/widget/inputdialog")
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local UIManager = require("ui/uimanager")
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local Screen = require("device").screen
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local Event = require("ui/event")
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local DEBUG = require("dbg")
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local _ = require("gettext")
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local ReaderGoto = InputContainer:new{
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goto_menu_title = _("Go to"),
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goto_dialog_title = _("Go to Page or Location"),
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}
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function ReaderGoto:init()
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self.ui.menu:registerToMainMenu(self)
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end
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function ReaderGoto:addToMainMenu(tab_item_table)
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-- insert goto command to main reader menu
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table.insert(tab_item_table.navi, {
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text = self.goto_menu_title,
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callback = function()
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self:onShowGotoDialog()
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end,
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})
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end
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function ReaderGoto:onShowGotoDialog()
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DEBUG("show goto dialog")
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self.goto_dialog = InputDialog:new{
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title = self.goto_dialog_title,
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input_hint = "(1 - "..self.document:getPageCount()..")",
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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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end,
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},
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{
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text = _("Page"),
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enabled = self.document.info.has_pages,
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callback = function()
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self:gotoPage()
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end,
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},
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{
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text = _("Location"),
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enabled = not self.document.info.has_pages,
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callback = function()
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self:gotoPage()
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end,
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},
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},
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},
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input_type = "number",
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enter_callback = function() self:gotoPage() end,
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width = Screen:getWidth() * 0.8,
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height = Screen:getHeight() * 0.2,
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}
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self.goto_dialog:onShowKeyboard()
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UIManager:show(self.goto_dialog)
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end
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function ReaderGoto:close()
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self.goto_dialog:onClose()
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UIManager:close(self.goto_dialog)
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end
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function ReaderGoto:gotoPage()
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local page_number = self.goto_dialog:getInputText()
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local relative_sign = page_number:sub(1, 1)
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local number = tonumber(page_number)
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if number then
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if relative_sign == "+" or relative_sign == "-" then
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self.ui:handleEvent(Event:new("GotoRelativePage", number))
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else
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self.ui:handleEvent(Event:new("GotoPage", number))
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end
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self:close()
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end
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end
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return ReaderGoto
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