add readertypeset.lua

frontend/ui/reader/readertypeset.lua

@@ -0,0 +1,53 @@
+ReaderTypeset = InputContainer:new{
+	css_menu_title = "CSS Menu",
+	css = nil,
+}
+
+function ReaderTypeset:init()
+	self.ui.menu:registerToMainMenu(self)
+end
+
+function ReaderTypeset:onReadSettings(config)
+	self.css = config:readSetting("css")
+	if not self.css then 
+		self.css = self.ui.document.default_css
+	end
+	self.ui.document:setStyleSheet(self.css)
+end
+
+function ReaderTypeset:onCloseDocument()
+	self.ui.doc_settings:saveSetting("css", self.css)
+end
+
+function ReaderTypeset:genStyleSheetMenu()
+	local file_list = {}
+	for f in lfs.dir("./data") do
+		if lfs.attributes("./data/"..f, "mode") == "file" and string.match(f, "%.css$") then
+			table.insert(file_list, {
+				text = f,
+				callback = function() 
+					self:setStyleSheet("./data/"..f)
+				end
+			})
+		end
+	end
+	return file_list
+end
+
+function ReaderTypeset:setStyleSheet(new_css)
+	if new_css ~= self.css then
+		self.ui.document:setStyleSheet(new_css)
+		self.css = new_css
+		self.ui:handleEvent(Event:new("UpdatePos"))
+	end
+end
+
+function ReaderTypeset:addToMainMenu(item_table)
+	-- insert table to main reader menu
+	table.insert(item_table, {
+		text = self.css_menu_title,
+		sub_item_table = self:genStyleSheetMenu(),
+	})
+end
+
+