code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/ConfigList.py

   1 from HTMLComponent import HTMLComponent
   2 from GUIComponent import GUIComponent
   3 from config import KEY_LEFT, KEY_RIGHT, KEY_HOME, KEY_END, KEY_0, KEY_DELETE, KEY_BACKSPACE, KEY_OK, KEY_TOGGLEOW, KEY_ASCII, KEY_TIMEOUT, KEY_NUMBERS, ConfigElement, ConfigText, ConfigPassword
   4 from Components.ActionMap import NumberActionMap, ActionMap
   5 from enigma import eListbox, eListboxPythonConfigContent, eRCInput, eTimer
   6 from Screens.MessageBox import MessageBox
   7 import skin
   8
   9 class ConfigList(HTMLComponent, GUIComponent, object):
  10         def __init__(self, list, session = None):
  11                 GUIComponent.__init__(self)
  12                 self.l = eListboxPythonConfigContent()
  13                 seperation, = skin.parameters.get("ConfigListSeperator", (200, ))
  14                 self.l.setSeperation(seperation)
  15                 self.timer = eTimer()
  16                 self.list = list
  17                 self.onSelectionChanged = [ ]
  18                 self.current = None
  19                 self.session = session
  20
  21         def execBegin(self):
  22                 rcinput = eRCInput.getInstance()
  23                 rcinput.setKeyboardMode(rcinput.kmAscii)
  24                 self.timer.callback.append(self.timeout)
  25
  26         def execEnd(self):
  27                 rcinput = eRCInput.getInstance()
  28                 rcinput.setKeyboardMode(rcinput.kmNone)
  29                 self.timer.callback.remove(self.timeout)
  30
  31         def toggle(self):
  32                 selection = self.getCurrent()
  33                 selection[1].toggle()
  34                 self.invalidateCurrent()
  35
  36         def handleKey(self, key):
  37                 selection = self.getCurrent()
  38                 if selection and selection[1].enabled:
  39                         selection[1].handleKey(key)
  40                         self.invalidateCurrent()
  41                         if key in KEY_NUMBERS:
  42                                 self.timer.start(1000, 1)
  43
  44         def getCurrent(self):
  45                 return self.l.getCurrentSelection()
  46
  47         def getCurrentIndex(self):
  48                 return self.l.getCurrentSelectionIndex()
  49
  50         def setCurrentIndex(self, index):
  51                 if self.instance is not None:
  52                         self.instance.moveSelectionTo(index)
  53
  54         def invalidateCurrent(self):
  55                 self.l.invalidateEntry(self.l.getCurrentSelectionIndex())
  56
  57         def invalidate(self, entry):
  58                 # when the entry to invalidate does not exist, just ignore the request.
  59                 # this eases up conditional setup screens a lot.
  60                 if entry in self.__list:
  61                         self.l.invalidateEntry(self.__list.index(entry))
  62
  63         GUI_WIDGET = eListbox
  64
  65         def selectionChanged(self):
  66                 if isinstance(self.current,tuple) and len(self.current) == 2:
  67                         self.current[1].onDeselect(self.session)
  68                 self.current = self.getCurrent()
  69                 if isinstance(self.current,tuple) and len(self.current) == 2:
  70                         self.current[1].onSelect(self.session)
  71                 else:
  72                         return
  73                 for x in self.onSelectionChanged:
  74                         x()
  75
  76         def postWidgetCreate(self, instance):
  77                 instance.selectionChanged.get().append(self.selectionChanged)
  78                 instance.setContent(self.l)
  79
  80         def preWidgetRemove(self, instance):
  81                 if isinstance(self.current,tuple) and len(self.current) == 2:
  82                         self.current[1].onDeselect(self.session)
  83                 instance.selectionChanged.get().remove(self.selectionChanged)
  84                 instance.setContent(None)
  85
  86         def setList(self, l):
  87                 self.timer.stop()
  88                 self.__list = l
  89                 self.l.setList(self.__list)
  90
  91                 if l is not None:
  92                         for x in l:
  93                                 assert len(x) < 2 or isinstance(x[1], ConfigElement), "entry in ConfigList " + str(x[1]) + " must be a ConfigElement"
  94
  95         def getList(self):
  96                 return self.__list
  97
  98         list = property(getList, setList)
  99
 100         def timeout(self):
 101                 self.handleKey(KEY_TIMEOUT)
 102
 103         def isChanged(self):
 104                 is_changed = False
 105                 for x in self.list:
 106                         is_changed |= x[1].isChanged()
 107
 108                 return is_changed
 109
 110 class ConfigListScreen:
 111         def __init__(self, list, session = None, on_change = None):
 112                 self["config_actions"] = NumberActionMap(["SetupActions", "InputAsciiActions", "KeyboardInputActions"],
 113                 {
 114                         "gotAsciiCode": self.keyGotAscii,
 115                         "ok": self.keyOK,
 116                         "left": self.keyLeft,
 117                         "right": self.keyRight,
 118                         "home": self.keyHome,
 119                         "end": self.keyEnd,
 120                         "deleteForward": self.keyDelete,
 121                         "deleteBackward": self.keyBackspace,
 122                         "toggleOverwrite": self.keyToggleOW,
 123                         "1": self.keyNumberGlobal,
 124                         "2": self.keyNumberGlobal,
 125                         "3": self.keyNumberGlobal,
 126                         "4": self.keyNumberGlobal,
 127                         "5": self.keyNumberGlobal,
 128                         "6": self.keyNumberGlobal,
 129                         "7": self.keyNumberGlobal,
 130                         "8": self.keyNumberGlobal,
 131                         "9": self.keyNumberGlobal,
 132                         "0": self.keyNumberGlobal
 133                 }, -1) # to prevent left/right overriding the listbox
 134
 135                 self["VirtualKB"] = ActionMap(["VirtualKeyboardActions"],
 136                 {
 137                         "showVirtualKeyboard": self.KeyText,
 138                 }, -2)
 139                 self["VirtualKB"].setEnabled(False)
 140
 141                 self["config"] = ConfigList(list, session = session)
 142
 143                 if on_change is not None:
 144                         self.__changed = on_change
 145                 else:
 146                         self.__changed = lambda: None
 147
 148                 if not self.handleInputHelpers in self["config"].onSelectionChanged:
 149                         self["config"].onSelectionChanged.append(self.handleInputHelpers)
 150
 151         def handleInputHelpers(self):
 152                 if self["config"].getCurrent() is not None:
 153                         if isinstance(self["config"].getCurrent()[1], ConfigText) or isinstance(self["config"].getCurrent()[1], ConfigPassword):
 154                                 if self.has_key("VKeyIcon"):
 155                                         self["VirtualKB"].setEnabled(True)
 156                                         self["VKeyIcon"].boolean = True
 157                                 if self.has_key("HelpWindow"):
 158                                         if self["config"].getCurrent()[1].help_window.instance is not None:
 159                                                 helpwindowpos = self["HelpWindow"].getPosition()
 160                                                 from enigma import ePoint
 161                                                 self["config"].getCurrent()[1].help_window.instance.move(ePoint(helpwindowpos[0],helpwindowpos[1]))
 162                         else:
 163                                 if self.has_key("VKeyIcon"):
 164                                         self["VirtualKB"].setEnabled(False)
 165                                         self["VKeyIcon"].boolean = False
 166                 else:
 167                         if self.has_key("VKeyIcon"):
 168                                 self["VirtualKB"].setEnabled(False)
 169                                 self["VKeyIcon"].boolean = False
 170
 171         def KeyText(self):
 172                 from Screens.VirtualKeyBoard import VirtualKeyBoard
 173                 self.session.openWithCallback(self.VirtualKeyBoardCallback, VirtualKeyBoard, title = self["config"].getCurrent()[0], text = self["config"].getCurrent()[1].getValue())
 174
 175         def VirtualKeyBoardCallback(self, callback = None):
 176                 if callback is not None and len(callback):
 177                         self["config"].getCurrent()[1].setValue(callback)
 178                         self["config"].invalidate(self["config"].getCurrent())
 179
 180         def keyOK(self):
 181                 self["config"].handleKey(KEY_OK)
 182
 183         def keyLeft(self):
 184                 self["config"].handleKey(KEY_LEFT)
 185                 self.__changed()
 186
 187         def keyRight(self):
 188                 self["config"].handleKey(KEY_RIGHT)
 189                 self.__changed()
 190
 191         def keyHome(self):
 192                 self["config"].handleKey(KEY_HOME)
 193                 self.__changed()
 194
 195         def keyEnd(self):
 196                 self["config"].handleKey(KEY_END)
 197                 self.__changed()
 198
 199         def keyDelete(self):
 200                 self["config"].handleKey(KEY_DELETE)
 201                 self.__changed()
 202
 203         def keyBackspace(self):
 204                 self["config"].handleKey(KEY_BACKSPACE)
 205                 self.__changed()
 206
 207         def keyToggleOW(self):
 208                 self["config"].handleKey(KEY_TOGGLEOW)
 209                 self.__changed()
 210
 211         def keyGotAscii(self):
 212                 self["config"].handleKey(KEY_ASCII)
 213                 self.__changed()
 214
 215         def keyNumberGlobal(self, number):
 216                 self["config"].handleKey(KEY_0 + number)
 217                 self.__changed()
 218
 219         def saveAll(self):
 220                 for x in self["config"].list:
 221                         x[1].save()
 222
 223         # keySave and keyCancel are just provided in case you need them.
 224         # you have to call them by yourself.
 225         def keySave(self):
 226                 self.saveAll()
 227                 self.close()
 228
 229         def cancelConfirm(self, result):
 230                 if not result:
 231                         return
 232
 233                 for x in self["config"].list:
 234                         x[1].cancel()
 235                 self.close()
 236
 237         def keyCancel(self):
 238                 if self["config"].isChanged():
 239                         self.session.openWithCallback(self.cancelConfirm, MessageBox, _("Really close without saving settings?"))
 240                 else:
 241                         self.close()