file reorganisation

all lua frontend files are now in the frontend/ directory.
all old code is cleaned up.

frontend/ui/readerui.lua

@@ -0,0 +1,80 @@
+require "ui/ui"
+require "ui/reader/readerview"
+require "ui/reader/readerzooming"
+require "ui/reader/readerpanning"
+require "ui/reader/readerrotation"
+require "ui/reader/readerpaging"
+
+--[[
+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,
+}
+
+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
+	-- a view container (so it must be child #1!)
+	self[1] = ReaderView:new{
+		dialog = self.dialog,
+		ui = self
+	}
+	-- zooming controller
+	self[2] = ReaderZooming:new{
+		dialog = self.dialog,
+		view = self[1],
+		ui = self
+	}
+	-- panning controller
+	self[3] = ReaderPanning:new{
+		dialog = self.dialog,
+		view = self[1],
+		ui = self
+	}
+	-- rotation controller
+	self[4] = ReaderRotation:new{
+		dialog = self.dialog,
+		view = self[1],
+		ui = self
+	}
+	-- if needed, insert a paging container
+	if self.document.info.has_pages then
+		local pager = ReaderPaging:new{
+			dialog = self.dialog,
+			view = self[1],
+			ui = self
+		}
+		table.insert(self, pager)
+		pager:gotoPage(1)
+	end
+	-- notify childs of dimensions
+	self:handleEvent(Event:new("SetDimensions", self.dimen))
+end
+
+function ReaderUI:onClose()
+	debug("closing reader")
+	if self.document then
+		self.document:close()
+		self.document = false
+	end
+	UIManager:close(self.dialog)
+	return true
+end
+