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koreader/frontend/ui/readerui.lua

136 lines
3.0 KiB
Lua

require "ui/ui"
require "ui/reader/readerview"
require "ui/reader/readerzooming"
require "ui/reader/readerpanning"
require "ui/reader/readerrotation"
require "ui/reader/readerpaging"
require "ui/reader/readerrolling"
require "ui/reader/readertoc"
require "ui/reader/readerfont"
require "ui/reader/readermenu"
--[[
This is an abstraction for a reader interface
it works using data gathered from a document interface
]]--
ReaderUI = InputContainer:new{
key_events = {
Close = { {"Home"}, doc = "close document", event = "Close" },
Back = { {"Back"}, doc = "close document", event = "Close" },
},
-- our own size
dimen = Geom:new{ w = 400, h = 600 },
-- if we have a parent container, it must be referenced for now
dialog = nil,
-- the document interface
document = nil,
-- initial page or percent inside document on opening
start_pos = nil,
-- password for document unlock
password = nil,
}
function ReaderUI:init()
-- if we are not the top level dialog ourselves, it must be given in the table
if not self.dialog then
self.dialog = self
end
self.doc_settings = DocSettings:open(self.document.file)
-- a view container (so it must be child #1!)
self[1] = ReaderView:new{
dialog = self.dialog,
dimen = self.dimen,
ui = self
}
-- rotation controller
self[2] = ReaderRotation:new{
dialog = self.dialog,
view = self[1],
ui = self
}
-- Toc menu controller
self[3] = ReaderToc:new{
dialog = self.dialog,
view = self[1],
ui = self
}
-- reader menu controller
self[4] = ReaderMenu:new{
view = self[1],
ui = self
}
if self.document.info.has_pages then
-- for page specific controller
-- zooming controller
local zoomer = ReaderZooming:new{
dialog = self.dialog,
view = self[1],
ui = self
}
table.insert(self, zoomer)
-- panning controller
local panner = ReaderPanning:new{
dialog = self.dialog,
view = self[1],
ui = self
}
table.insert(self, panner)
-- if needed, insert a paging container
local pager = ReaderPaging:new{
dialog = self.dialog,
view = self[1],
ui = self
}
table.insert(self, pager)
else
-- rolling controller
local roller = ReaderRolling:new{
dialog = self.dialog,
view = self[1],
ui = self
}
table.insert(self, roller)
--if not self.start_pos then
--self.start_pos = 0
--end
--roller:gotoPercent(self.start_pos)
-- font menu
local font_menu = ReaderFont:new{
dialog = self.dialog,
view = self[1],
ui = self
}
table.insert(self, font_menu)
end
--DEBUG(self.doc_settings)
-- we only read settings after all the widgets are initialized
self:handleEvent(Event:new("ReadSettings", self.doc_settings))
-- notify childs of dimensions
self:handleEvent(Event:new("SetDimensions", self.dimen))
end
function ReaderUI:onSetDimensions(dimen)
self.dimen = dimen
end
function ReaderUI:onClose()
DEBUG("closing reader")
self:handleEvent(Event:new("CloseDocument"))
self.doc_settings:flush()
if self.document then
self.document:close()
self.document = false
end
UIManager:close(self.dialog)
return true
end