from Screen import *
from Components.MenuList import MenuList
from Components.ActionMap import ActionMap
from Components.Header import Header

# hack ... must be made dynamic
from ServiceScan import ServiceScan
from ScartLoopThrough import ScartLoopThrough
from Components.Button import Button
from Components.Label import Label
from Components.ProgressBar import ProgressBar
from ConfigMenu import *

from TimerEdit import *

from enigma import quitMainloop

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

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


mdom = xml.dom.minidom.parseString(
        """
	<menu text="Mainmenu" title="the real Mainmenu">
		<item text="Standby debug">quitMainloop()</item>
		<item text="Automatic Scan">self.openDialog(ServiceScan)</item>

		<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="Timer">self.openDialog(TimerEditList)</item>
		<menu text="Setup">
			<menu text="Service Organising">
				<item text="New Bouquets"></item>
				<item text="Add to Bouquets"></item>
				<item text="Edit Bouquets"></item>
			</menu>
			<menu text="Service Searching">
				<item text="Satelliteconfig"></item>
				<item text="Satfinder"></item>
				<item text="Rotor Control"></item>
				<item text="Edit Transponder"></item>
				<item text="Automatic Scan">self.openDialog(ServiceScan)</item>
				<item text="Automatic 'Multisat' Scan"></item>
				<item text="Manual Scan"></item>
			</menu>
			<menu text="System">
				<item text="Time Date"></item>
				<item text="Video Audio"></item>
				<item text="UHF Modulator"></item>
				<item text="Harddisk"></item>
				<item text="Keyboard"></item>
				<item text="OSD">self.openDialog(configOSD)</item>
				<item text="Language"></item>
				<item text="LCD"></item>
			</menu>
			<item text="Common Interface"></item>
			<item text="Parental Control"></item>
			<item text="Expert"></item>
		</menu>
		<item text="Games"></item>
		<item text="Information"></item>
		<menu text="Standby">
			<item text="PowerOff"></item>
			<item text="Restart"></item>
			<item text="Standby"></item>
			<item text="Sleep Timer">self.goSetup()</item>
		</menu>
	</menu>""")

def getText(nodelist):
	rc = ""
	for node in nodelist:
		if node.nodeType == node.TEXT_NODE:
			rc = rc + node.data
	return rc

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):
	#add file load functions for the xml-file
	#remove old code (i.e. goScan / goClock...)

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

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

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

	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 = getText(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)