#from Screen import *
from Components.MenuList import MenuList
from Components.ActionMap import ActionMap
from Components.Header import Header
from Components.Button import Button
from Components.Label import Label
from Components.ProgressBar import ProgressBar

# hack ... must be made dynamic
#from Screens.Setup import Setup
#from ServiceScan import ServiceScan
#from ScartLoopThrough import ScartLoopThrough
#from HarddiskSetup import HarddiskSelection
#from ConfigMenu import *

#from About import *

#from Network import *

#from TimerEdit import *

# hack.... dynamically importing all screens
from __init__ import __all__
for i in __all__:
	print "import " + i
	if (i is not "Menu" ):
		exec "from " + i + " import *"

from enigma import quitMainloop

import xml.dom.minidom
from xml.dom import EMPTY_NAMESPACE
from skin import elementsWithTag

from Tools import XMLTools

# some screens
def doGlobal(screen):
	screen["clock"] = Clock()


#		<item text="TV-Mode">self.setModeTV()</item>
#		<item text="Radio-Mode">self.setModeRadio()</item>
#		<item text="File-Mode">self.setModeFile()</item>
#		<item text="Scart">self.openDialog(ScartLoopThrough)</item>
#			<item text="Sleep Timer"></item>


# read the menu
try:
	# first we search in the current path
	menufile = file('data/menu.xml', 'r')
except:
	# if not found in the current path, we use the global datadir-path
	menufile = file('/usr/share/enigma2/menu.xml', 'r')
mdom = xml.dom.minidom.parseString(menufile.read())
menufile.close()



def getValbyAttr(x, attr):
	for p in range(x.attributes.length):
		a = x.attributes.item(p)
		attrib = str(a.name)
		value = str(a.value)
		if attrib == attr:
			return value
			
	return ""

class boundFunction:
	def __init__(self, fnc, *args):
		self.fnc = fnc
		self.args = args
	def __call__(self):
		self.fnc(*self.args)

class configOSD(Screen):
	#this needs focus handling - so not useable

	def okbuttonClick(self):
		self.close
 
	def __init__(self, session):
		Screen.__init__(self, session)

		self["actions"] = ActionMap(["OkCancelActions"], 
			{
				"ok": self.okbuttonClick,
				"cancel": self.close
			})

		self["okbutton"] = Button("Save")

		self["txt_alpha"] = Label("Alpha:")
		self["sld_alpha"] = ProgressBar()
		self["sld_alpha"].setValue(50)

		self["txt_brightness"] = Label("Brightness:")
		self["sld_brightness"] = ProgressBar()
		self["sld_brightness"].setValue(50)

		self["txt_gamma"] = Label("Contrast:")
		self["sld_gamma"] = ProgressBar()
		self["sld_gamma"].setValue(50)

class Menu(Screen):
	def okbuttonClick(self):
		print "okbuttonClick"
		selection = self["menu"].getCurrent()
		selection[1]()

	def evalText(self, text):
		eval(text)
		
	def nothing(self):																	#dummy
		pass

	def openDialog(self, dialog):				# in every layer needed
		self.session.open(dialog)

	def openSetup(self, dialog):
		self.session.open(Setup, dialog)

	def addMenu(self, destList, node):
		MenuTitle = getValbyAttr(node, "text")
		if MenuTitle != "":																	#check for title
			a = boundFunction(self.session.open, Menu, node, node.childNodes)
			#TODO add check if !empty(node.childNodes)
			destList.append((MenuTitle, a))
		
	def addItem(self, destList, node):
		ItemText = getValbyAttr(node, "text")
		if ItemText != "":																	#check for name
			b = XMLTools.mergeText(node.childNodes)
			if b != "":																				#check for function
				destList.append((ItemText,boundFunction(self.evalText,b)))
			else:
				destList.append((ItemText,self.nothing))				#use dummy as function

	def __init__(self, session, parent, childNode):
		Screen.__init__(self, session)
		
		list = []

		for x in childNode:							#walk through the actual nodelist
			if x.nodeType != xml.dom.minidom.Element.nodeType:
			    continue
			elif x.tagName == 'item':
				self.addItem(list, x)
			elif x.tagName == 'menu':
				self.addMenu(list, x)

		self["menu"] = MenuList(list)	
							
		self["actions"] = ActionMap(["OkCancelActions"], 
			{
				"ok": self.okbuttonClick,
				"cancel": self.close
			})
		
		a = getValbyAttr(parent, "title")
		if a == "":														#if empty use name
			a = getValbyAttr(parent, "text")
		self["title"] = Header(a)

class FixedMenu(Screen):
	def okbuttonClick(self):
		selection = self["menu"].getCurrent()
		selection[1]()

	def __init__(self, session, title, list):
		Screen.__init__(self, session)
		
		self["menu"] = MenuList(list)	
							
		self["actions"] = ActionMap(["OkCancelActions"], 
			{
				"ok": self.okbuttonClick,
				"cancel": self.close
			})
		
		self["title"] = Header(title)


class MainMenu(Menu):
	#add file load functions for the xml-file
	#remove old code (i.e. goScan / goClock...)
	
	def __init__(self, *x):
		Menu.__init__(self, *x)
		self.skinName = "Menu"

	def openDialog(self, dialog):
		self.session.open(dialog)

	def openSetup(self, dialog):
		self.session.open(Setup, dialog)

	def goSetup(self):
		self.session.open(configTest)
	
	def setModeTV(self):
		print "set Mode to TV"
		pass

	def setModeRadio(self):
		print "set Mode to Radio"
		pass

	def setModeFile(self):
		print "set Mode to File"
		pass

	def goScan(self):
		self.session.open(ServiceScan)
	
	def goClock(self):
		self.session.open(clockDisplay, Clock())