lib/python/Components/ConfigList.py

   1 from HTMLComponent import *
   2 from GUIComponent import *
   3 from config import KEY_LEFT, KEY_RIGHT, KEY_0, KEY_DELETE, KEY_OK, KEY_TIMEOUT, ConfigElement
   4 from Components.ActionMap import NumberActionMap
   5 from enigma import eListbox, eListboxPythonConfigContent, eTimer
   6
   7 class ConfigList(HTMLComponent, GUIComponent, object):
   8         def __init__(self, list, session = None):
   9                 GUIComponent.__init__(self)
  10                 self.l = eListboxPythonConfigContent()
  11                 self.l.setSeperation(100)
  12                 self.list = list
  13                 self.onSelectionChanged = [ ]
  14                 self.current = None
  15                 self.help_window = None
  16                 self.setHelpWindowSession(session)
  17
  18                 self.timer = eTimer()
  19                 self.timer.timeout.get().append(self.timeout)
  20
  21         def setHelpWindowSession(self, session):
  22                 assert self.help_window is None, "you can't move a help window to another session"
  23                 self.session = session
  24
  25         def toggle(self):
  26                 selection = self.getCurrent()
  27                 selection[1].toggle()
  28                 self.invalidateCurrent()
  29
  30         def handleKey(self, key):
  31                 selection = self.getCurrent()
  32                 if selection[1].enabled:
  33                         selection[1].handleKey(key)
  34                         self.invalidateCurrent()
  35                         if self.help_window:
  36                                 self.help_window.update(selection[1])
  37                 if key not in [KEY_TIMEOUT, KEY_LEFT, KEY_RIGHT, KEY_DELETE, KEY_OK]:
  38                         self.timer.start(1000, 1)
  39
  40         def getCurrent(self):
  41                 return self.l.getCurrentSelection()
  42
  43         def invalidateCurrent(self):
  44                 self.l.invalidateEntry(self.l.getCurrentSelectionIndex())
  45
  46         def invalidate(self, entry):
  47                 self.l.invalidateEntry(self.__list.index(entry))
  48
  49         GUI_WIDGET = eListbox
  50
  51         def selectionChanged(self):
  52                 n = self.getCurrent()
  53
  54                 if self.help_window:
  55                         self.session.deleteDialog(self.help_window)
  56
  57                 nh = n and n[1].helpWindow()
  58                 if nh is not None and self.session is not None:
  59                         self.help_window = self.session.instantiateDialog(*nh)
  60                         self.help_window.show()
  61
  62                 self.current = n
  63                 for x in self.onSelectionChanged:
  64                         x()
  65
  66         def postWidgetCreate(self, instance):
  67                 instance.setContent(self.l)
  68                 instance.selectionChanged.get().append(self.selectionChanged)
  69
  70         def preWidgetRemove(self, instance):
  71                 instance.selectionChanged.get().remove(self.selectionChanged)
  72
  73         def setList(self, l):
  74                 self.__list = l
  75                 self.l.setList(self.__list)
  76
  77                 if l is not None:
  78                         for x in l:
  79                                 assert isinstance(x[1], ConfigElement), "entry in ConfigList " + str(x[1]) + " must be a ConfigElement"
  80
  81         def getList(self):
  82                 return self.__list
  83
  84         list = property(getList, setList)
  85
  86         def timeout(self):
  87                 self.handleKey(KEY_TIMEOUT)
  88
  89 class ConfigListScreen:
  90         def __init__(self, list, session = None):
  91                 self["config_actions"] = NumberActionMap(["SetupActions", "TextInputActions"],
  92                 {
  93                         "ok": self.keyOK,
  94                         "left": self.keyLeft,
  95                         "right": self.keyRight,
  96                         "delete": self.keyDelete,
  97                         "1": self.keyNumberGlobal,
  98                         "2": self.keyNumberGlobal,
  99                         "3": self.keyNumberGlobal,
 100                         "4": self.keyNumberGlobal,
 101                         "5": self.keyNumberGlobal,
 102                         "6": self.keyNumberGlobal,
 103                         "7": self.keyNumberGlobal,
 104                         "8": self.keyNumberGlobal,
 105                         "9": self.keyNumberGlobal,
 106                         "0": self.keyNumberGlobal
 107                 }, -1) # to prevent left/right overriding the listbox
 108
 109                 self["config"] = ConfigList(list, session = session)
 110
 111         def keyOK(self):
 112                 self["config"].handleKey(KEY_OK)
 113
 114         def keyLeft(self):
 115                 self["config"].handleKey(KEY_LEFT)
 116
 117         def keyRight(self):
 118                 self["config"].handleKey(KEY_RIGHT)
 119
 120         def keyDelete(self):
 121                 self["config"].handleKey(KEY_DELETE)
 122
 123         def keyNumberGlobal(self, number):
 124                 self["config"].handleKey(KEY_0 + number)