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170 lines
5.6 KiB
Lua
170 lines
5.6 KiB
Lua
local InputContainer = require("ui/widget/container/inputcontainer")
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local ConfirmBox = require("ui/widget/confirmbox")
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local lfs = require("libs/libkoreader-lfs")
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local UIManager = require("ui/uimanager")
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local Screen = require("ui/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 ReaderTypeset = InputContainer:new{
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css_menu_title = _("Set render style"),
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css = nil,
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internal_css = true,
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}
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function ReaderTypeset:init()
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self.ui.menu:registerToMainMenu(self)
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end
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function ReaderTypeset:onReadSettings(config)
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self.css = config:readSetting("css")
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if self.css and self.css ~= "" then
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self.ui.document:setStyleSheet(self.css)
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else
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self.ui.document:setStyleSheet(self.ui.document.default_css)
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self.css = self.ui.document.default_css
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end
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-- default to enable embedded css
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self.embedded_css = config:readSetting("embedded_css")
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if self.embedded_css == nil then self.embedded_css = true end
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self.ui.document:setEmbeddedStyleSheet(self.embedded_css and 1 or 0)
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-- set page margins
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self:onSetPageMargins(config:readSetting("copt_page_margins") or DCREREADER_CONFIG_MARGIN_SIZES_MEDIUM)
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-- default to enable floating punctuation
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-- the floating punctuation should not be boolean value for the following
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-- expression otherwise a false value will never be returned but numerical
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-- values will survive this expression
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self.floating_punctuation = config:readSetting("floating_punctuation") or
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G_reader_settings:readSetting("floating_punctuation") or 1
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self:toggleFloatingPunctuation(self.floating_punctuation)
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end
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function ReaderTypeset:onSaveSettings()
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self.ui.doc_settings:saveSetting("css", self.css)
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self.ui.doc_settings:saveSetting("embedded_css", self.embedded_css)
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self.ui.doc_settings:saveSetting("floating_punctuation", self.floating_punctuation)
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end
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function ReaderTypeset:onToggleEmbeddedStyleSheet(toggle)
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self:toggleEmbeddedStyleSheet(toggle)
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return true
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end
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function ReaderTypeset:genStyleSheetMenu()
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local file_list = {
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{
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text = _("clear all external styles"),
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callback = function()
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self:setStyleSheet(nil)
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end
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},
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{
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text = _("Auto"),
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callback = function()
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self:setStyleSheet(self.ui.document.default_css)
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end
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},
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}
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for f in lfs.dir("./data") do
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if lfs.attributes("./data/"..f, "mode") == "file" and string.match(f, "%.css$") then
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table.insert(file_list, {
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text = f,
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callback = function()
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self:setStyleSheet("./data/"..f)
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end
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})
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end
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end
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return file_list
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end
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function ReaderTypeset:setStyleSheet(new_css)
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if new_css ~= self.css then
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--DEBUG("setting css to ", new_css)
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self.css = new_css
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if new_css == nil then
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new_css = ""
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end
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self.ui.document:setStyleSheet(new_css)
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self.ui:handleEvent(Event:new("UpdatePos"))
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end
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end
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function ReaderTypeset:setEmbededStyleSheetOnly()
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if self.css ~= nil then
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-- clear applied css
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self.ui.document:setStyleSheet("")
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self.ui.document:setEmbeddedStyleSheet(1)
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self.css = nil
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self.ui:handleEvent(Event:new("UpdatePos"))
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end
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end
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function ReaderTypeset:toggleEmbeddedStyleSheet(toggle)
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if not toggle then
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self.embedded_css = false
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self:setStyleSheet(self.ui.document.default_css)
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self.ui.document:setEmbeddedStyleSheet(0)
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else
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self.embedded_css = true
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--self:setStyleSheet(self.ui.document.default_css)
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self.ui.document:setEmbeddedStyleSheet(1)
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end
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self.ui:handleEvent(Event:new("UpdatePos"))
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end
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function ReaderTypeset:toggleFloatingPunctuation(toggle)
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-- for some reason the toggle value read from history files may stay boolean
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-- and there seems no more elegant way to convert boolean values to numbers
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if toggle == true then
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toggle = 1
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elseif toggle == false then
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toggle = 0
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end
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self.ui.document:setFloatingPunctuation(toggle)
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self.ui:handleEvent(Event:new("UpdatePos"))
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end
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function ReaderTypeset:addToMainMenu(tab_item_table)
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-- insert table to main reader menu
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table.insert(tab_item_table.typeset, {
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text = self.css_menu_title,
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sub_item_table = self:genStyleSheetMenu(),
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})
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table.insert(tab_item_table.typeset, {
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text = _("Floating punctuation"),
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checked_func = function() return self.floating_punctuation == 1 end,
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callback = function()
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self.floating_punctuation = self.floating_punctuation == 1 and 0 or 1
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self:toggleFloatingPunctuation(self.floating_punctuation)
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end,
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hold_callback = function() self:makeDefaultFloatingPunctuation() end,
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})
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end
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function ReaderTypeset:makeDefaultFloatingPunctuation()
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local toggler = self.floating_punctuation == 1 and _("On") or _("Off")
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UIManager:show(ConfirmBox:new{
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text = _("Set default floating punctuation to ")..toggler.."?",
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ok_callback = function()
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G_reader_settings:saveSetting("floating_punctuation", self.floating_punctuation)
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end,
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})
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end
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function ReaderTypeset:onSetPageMargins(margins)
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local left = Screen:scaleByDPI(margins[1])
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local top = Screen:scaleByDPI(margins[2])
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local right = Screen:scaleByDPI(margins[3])
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local bottom = Screen:scaleByDPI(margins[4])
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self.ui.document:setPageMargins(left, top, right, bottom)
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self.ui:handleEvent(Event:new("UpdatePos"))
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return true
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end
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return ReaderTypeset
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