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.timer = eTimer()
  13                 self.timer.timeout.get().append(self.timeout)
  14                 self.list = list
  15                 self.onSelectionChanged = [ ]
  16                 self.current = None
  17                 self.help_window = None
  18                 self.setHelpWindowSession(session)
  19
  20         def execEnd(self):
  21                 self.timer = eTimer()
  22                 self.timer.timeout.get().append(self.timeout)
  23
  24         def setHelpWindowSession(self, session):
  25                 assert self.help_window is None, "you can't move a help window to another session"
  26                 self.session = session
  27
  28         def toggle(self):
  29                 selection = self.getCurrent()
  30                 selection[1].toggle()
  31                 self.invalidateCurrent()
  32
  33         def handleKey(self, key):
  34                 selection = self.getCurrent()
  35                 if selection and selection[1].enabled:
  36                         selection[1].handleKey(key)
  37                         self.invalidateCurrent()
  38                         if self.help_window:
  39                                 self.help_window.update(selection[1])
  40                         if key not in [KEY_TIMEOUT, KEY_LEFT, KEY_RIGHT, KEY_DELETE, KEY_OK]:
  41                                 self.timer.start(1000, 1)
  42
  43         def getCurrent(self):
  44                 return self.l.getCurrentSelection()
  45
  46         def invalidateCurrent(self):
  47                 self.l.invalidateEntry(self.l.getCurrentSelectionIndex())
  48
  49         def invalidate(self, entry):
  50                 self.l.invalidateEntry(self.__list.index(entry))
  51
  52         GUI_WIDGET = eListbox
  53
  54         def selectionChanged(self):
  55                 n = self.getCurrent()
  56
  57                 if self.help_window:
  58                         self.session.deleteDialog(self.help_window)
  59
  60                 nh = n and n[1].helpWindow()
  61                 if nh is not None and self.session is not None:
  62                         self.help_window = self.session.instantiateDialog(*nh)
  63                         self.help_window.show()
  64
  65                 self.current = n
  66                 for x in self.onSelectionChanged:
  67                         x()
  68
  69         def postWidgetCreate(self, instance):
  70                 instance.setContent(self.l)
  71                 instance.selectionChanged.get().append(self.selectionChanged)
  72
  73         def preWidgetRemove(self, instance):
  74                 instance.selectionChanged.get().remove(self.selectionChanged)
  75
  76         def setList(self, l):
  77                 self.timer.stop()
  78                 self.__list = l
  79                 self.l.setList(self.__list)
  80
  81                 if l is not None:
  82                         for x in l:
  83                                 assert isinstance(x[1], ConfigElement), "entry in ConfigList " + str(x[1]) + " must be a ConfigElement"
  84
  85         def getList(self):
  86                 return self.__list
  87
  88         list = property(getList, setList)
  89
  90         def timeout(self):
  91                 self.handleKey(KEY_TIMEOUT)
  92
  93 class ConfigListScreen:
  94         def __init__(self, list, session = None):
  95                 self["config_actions"] = NumberActionMap(["SetupActions", "TextInputActions"],
  96                 {
  97                         "ok": self.keyOK,
  98                         "left": self.keyLeft,
  99                         "right": self.keyRight,
 100                         "delete": self.keyDelete,
 101                         "1": self.keyNumberGlobal,
 102                         "2": self.keyNumberGlobal,
 103                         "3": self.keyNumberGlobal,
 104                         "4": self.keyNumberGlobal,
 105                         "5": self.keyNumberGlobal,
 106                         "6": self.keyNumberGlobal,
 107                         "7": self.keyNumberGlobal,
 108                         "8": self.keyNumberGlobal,
 109                         "9": self.keyNumberGlobal,
 110                         "0": self.keyNumberGlobal
 111                 }, -1) # to prevent left/right overriding the listbox
 112
 113                 self["config"] = ConfigList(list, session = session)
 114
 115         def keyOK(self):
 116                 self["config"].handleKey(KEY_OK)
 117
 118         def keyLeft(self):
 119                 self["config"].handleKey(KEY_LEFT)
 120
 121         def keyRight(self):
 122                 self["config"].handleKey(KEY_RIGHT)
 123
 124         def keyDelete(self):
 125                 self["config"].handleKey(KEY_DELETE)
 126
 127         def keyNumberGlobal(self, number):
 128                 self["config"].handleKey(KEY_0 + number)