code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Screens/ChoiceBox.py

   1 from Screens.Screen import Screen
   2 from Components.ActionMap import NumberActionMap
   3 from Components.Label import Label
   4 from Components.ChoiceList import ChoiceEntryComponent, ChoiceList
   5 from Components.Sources.StaticText import StaticText
   6
   7 class ChoiceBox(Screen):
   8         def __init__(self, session, title = "", list = [], keys = None, selection = 0, skin_name = []):
   9                 Screen.__init__(self, session)
  10
  11                 self.skinName = ["ChoiceBox"] + skin_name
  12
  13                 self["text"] = Label(title)
  14                 self.list = []
  15                 self.summarylist = []
  16                 if keys is None:
  17                         self.__keys = [ "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "red", "green", "yellow", "blue" ] + (len(list) - 10) * [""]
  18                 else:
  19                         self.__keys = keys + (len(list) - len(keys)) * [""]
  20
  21                 self.keymap = {}
  22                 pos = 0
  23                 for x in list:
  24                         strpos = str(self.__keys[pos])
  25                         self.list.append(ChoiceEntryComponent(key = strpos, text = x))
  26                         if self.__keys[pos] != "":
  27                                 self.keymap[self.__keys[pos]] = list[pos]
  28                         self.summarylist.append((self.__keys[pos],x[0]))
  29                         pos += 1
  30                 self["list"] = ChoiceList(list = self.list, selection = selection)
  31                 self["summary_list"] = StaticText()
  32                 self.updateSummary()
  33
  34                 self["actions"] = NumberActionMap(["WizardActions", "InputActions", "ColorActions", "DirectionActions"],
  35                 {
  36                         "ok": self.go,
  37                         "back": self.cancel,
  38                         "1": self.keyNumberGlobal,
  39                         "2": self.keyNumberGlobal,
  40                         "3": self.keyNumberGlobal,
  41                         "4": self.keyNumberGlobal,
  42                         "5": self.keyNumberGlobal,
  43                         "6": self.keyNumberGlobal,
  44                         "7": self.keyNumberGlobal,
  45                         "8": self.keyNumberGlobal,
  46                         "9": self.keyNumberGlobal,
  47                         "0": self.keyNumberGlobal,
  48                         "red": self.keyRed,
  49                         "green": self.keyGreen,
  50                         "yellow": self.keyYellow,
  51                         "blue": self.keyBlue,
  52                         "up": self.up,
  53                         "down": self.down
  54                 }, -1)
  55
  56         def keyLeft(self):
  57                 pass
  58
  59         def keyRight(self):
  60                 pass
  61
  62         def up(self):
  63                 if len(self["list"].list) > 0:
  64                         while 1:
  65                                 self["list"].instance.moveSelection(self["list"].instance.moveUp)
  66                                 self.updateSummary(self["list"].l.getCurrentSelectionIndex())
  67                                 if self["list"].l.getCurrentSelection()[0][0] != "--" or self["list"].l.getCurrentSelectionIndex() == 0:
  68                                         break
  69
  70         def down(self):
  71                 if len(self["list"].list) > 0:
  72                         while 1:
  73                                 self["list"].instance.moveSelection(self["list"].instance.moveDown)
  74                                 self.updateSummary(self["list"].l.getCurrentSelectionIndex())
  75                                 if self["list"].l.getCurrentSelection()[0][0] != "--" or self["list"].l.getCurrentSelectionIndex() == len(self["list"].list) - 1:
  76                                         break
  77
  78         # runs a number shortcut
  79         def keyNumberGlobal(self, number):
  80                 self.goKey(str(number))
  81
  82         # runs the current selected entry
  83         def go(self):
  84                 cursel = self["list"].l.getCurrentSelection()
  85                 if cursel:
  86                         self.goEntry(cursel[0])
  87                 else:
  88                         self.cancel()
  89
  90         # runs a specific entry
  91         def goEntry(self, entry):
  92                 if len(entry) > 2 and isinstance(entry[1], str) and entry[1] == "CALLFUNC":
  93                         # CALLFUNC wants to have the current selection as argument
  94                         arg = self["list"].l.getCurrentSelection()[0]
  95                         entry[2](arg)
  96                 else:
  97                         self.close(entry)
  98
  99         # lookups a key in the keymap, then runs it
 100         def goKey(self, key):
 101                 if self.keymap.has_key(key):
 102                         entry = self.keymap[key]
 103                         self.goEntry(entry)
 104
 105         # runs a color shortcut
 106         def keyRed(self):
 107                 self.goKey("red")
 108
 109         def keyGreen(self):
 110                 self.goKey("green")
 111
 112         def keyYellow(self):
 113                 self.goKey("yellow")
 114
 115         def keyBlue(self):
 116                 self.goKey("blue")
 117
 118         def updateSummary(self, curpos=0):
 119                 pos = 0
 120                 summarytext = ""
 121                 for entry in self.summarylist:
 122                         if pos > curpos-2 and pos < curpos+5:
 123                                 if pos == curpos:
 124                                         summarytext += ">"
 125                                 else:
 126                                         summarytext += entry[0]
 127                                 summarytext += ' ' + entry[1] + '\n'
 128                         pos += 1
 129                 self["summary_list"].setText(summarytext)
 130
 131         def cancel(self):
 132                 self.close(None)