lib/python/Screens/Wizard.py

   1 from Screen import Screen
   2
   3 from Screens.HelpMenu import HelpableScreen
   4 from Components.Label import Label
   5 from Components.Slider import Slider
   6 from Components.ActionMap import HelpableActionMap
   7 from Components.config import config, configElementBoolean
   8 from Components.Pixmap import *
   9 from Components.MenuList import MenuList
  10 from Components.ConfigList import ConfigList
  11
  12 from xml.sax import make_parser
  13 from xml.sax.handler import ContentHandler
  14
  15 config.misc.firstrun = configElementBoolean("config.misc.firstrun", 1);
  16
  17 class WelcomeWizard(Screen, HelpableScreen):
  18
  19         skin = """
  20                 <screen position="0,0" size="720,560" title="Welcome..." flags="wfNoBorder" >
  21                         <widget name="text" position="50,100" size="440,200" font="Arial;23" />
  22                         <widget name="list" position="50,300" size="440,200" />
  23                         <widget name="config" position="50,300" zPosition="100" size="440,200" />
  24                         <widget name="step" position="50,50" size="440,25" font="Arial;23" />
  25                         <widget name="stepslider" position="50,500" zPosition="1" size="440,20" backgroundColor="dark" />
  26                         <widget name="rc" pixmap="/usr/share/enigma2/rc.png" position="500,600" size="154,475" transparent="1" alphatest="on"/>
  27                         <widget name="arrowdown" pixmap="/usr/share/enigma2/arrowdown.png" position="0,0" zPosition="1" size="37,70" transparent="1" alphatest="on"/>
  28                         <widget name="arrowup" pixmap="/usr/share/enigma2/arrowup.png" position="-100,-100" zPosition="1" size="37,70" transparent="1" alphatest="on"/>
  29                 </screen>"""
  30
  31         class parseWizard(ContentHandler):
  32                 def __init__(self, wizard):
  33                         self.isPointsElement, self.isReboundsElement = 0, 0
  34                         self.wizard = wizard
  35                         self.currContent = ""
  36
  37                 def startElement(self, name, attrs):
  38                         print name
  39                         self.currContent = name
  40                         if (name == "step"):
  41                                 self.lastStep = int(attrs.get('number'))
  42                                 self.wizard[self.lastStep] = {"text": "", "list": [], "config": {"screen": None, "args": None }, "code": ""}
  43                         elif (name == "text"):
  44                                 self.wizard[self.lastStep]["text"] = str(attrs.get('value'))
  45                         elif (name == "listentry"):
  46                                 self.wizard[self.lastStep]["list"].append(str(attrs.get('caption')))
  47                         elif (name == "config"):
  48                                 exec "from Screens." + str(attrs.get('module')) + " import *"
  49                                 self.wizard[self.lastStep]["config"]["screen"] = eval(str(attrs.get('screen')))
  50                                 if (attrs.has_key('args')):
  51                                         print "has args"
  52                                         self.wizard[self.lastStep]["config"]["args"] = str(attrs.get('args'))
  53                 def endElement(self, name):
  54                         self.currContent = ""
  55                         if name == 'code':
  56                                 self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"].strip()
  57
  58                 def characters(self, ch):
  59                         if self.currContent == "code":
  60                                  self.wizard[self.lastStep]["code"] = self.wizard[self.lastStep]["code"] + ch
  61
  62         def __init__(self, session):
  63                 self.skin = WelcomeWizard.skin
  64
  65                 Screen.__init__(self, session)
  66                 HelpableScreen.__init__(self)
  67
  68                 self.wizard = {}
  69                 parser = make_parser()
  70                 print "Reading startwizard.xml"
  71                 wizardHandler = self.parseWizard(self.wizard)
  72                 parser.setContentHandler(wizardHandler)
  73                 parser.parse('/usr/share/enigma2/startwizard.xml')
  74
  75                 self.numSteps = len(self.wizard)
  76                 self.currStep = 1
  77
  78                 self["text"] = Label()
  79                 self["rc"] = MovingPixmap()
  80                 self["arrowdown"] = MovingPixmap()
  81                 self["arrowup"] = MovingPixmap()
  82
  83                 self["config"] = ConfigList([])
  84
  85                 self["step"] = Label()
  86
  87                 self["stepslider"] = Slider(1, self.numSteps)
  88
  89                 self.list = []
  90                 self["list"] = MenuList(self.list)
  91
  92                 self.updateValues()
  93
  94                 self["actions"] = HelpableActionMap(self, "OkCancelActions",
  95                         {
  96                                 "ok": (self.ok, _("Close this Screen...")),
  97                         })
  98
  99         def updateValues(self):
 100                 self["step"].setText(_("Step ") + str(self.currStep) + "/" + str(self.numSteps))
 101                 self["stepslider"].setValue(self.currStep)
 102
 103                 self["text"].setText(self.wizard[self.currStep]["text"])
 104
 105                 self.list = []
 106                 if (len(self.wizard[self.currStep]["list"]) > 0):
 107                         for x in self.wizard[self.currStep]["list"]:
 108                                 self.list.append((x, None))
 109                 self["list"].l.setList(self.list)
 110
 111                 if (self.wizard[self.currStep]["config"]["screen"] != None):
 112                         print self.wizard[self.currStep]["config"]["screen"]
 113                         if self.wizard[self.currStep]["config"]["args"] == None:
 114                                 self.configInstance = self.session.instantiateDialog(self.wizard[self.currStep]["config"]["screen"])
 115                         else:
 116                                 self.configInstance = self.session.instantiateDialog(self.wizard[self.currStep]["config"]["screen"], eval(self.wizard[self.currStep]["config"]["args"]))
 117
 118                         self["config"].l.setList(self.configInstance["config"].list)
 119                 else:
 120                         self["config"].l.setList([])
 121
 122                 if self.wizard[self.currStep]["code"] != "":
 123                         print self.wizard[self.currStep]["code"]
 124                         exec(self.wizard[self.currStep]["code"])
 125
 126         def ok(self):
 127                 if (self.currStep == self.numSteps): # wizard finished
 128                         config.misc.firstrun.value = 0;
 129                         config.misc.firstrun.save()
 130                         self.session.close()
 131                 else:
 132                         self.currStep += 1
 133                         self.updateValues()
 134
 135 def listActiveWizards():
 136         wizards = [ ]
 137
 138         if config.misc.firstrun.value:
 139                 wizards.append(WelcomeWizard)
 140
 141         return wizards