lib/python/Components/Converter/ValueToPixmap.py

   1 from Components.Converter.Converter import Converter
   2 from Components.Element import cached, ElementError
   3 from Tools.Directories import fileExists, SCOPE_SKIN_IMAGE, SCOPE_CURRENT_SKIN, resolveFilename
   4 from Tools.LoadPixmap import LoadPixmap
   5
   6
   7 class ValueToPixmap(Converter, object):
   8         LANGUAGE_CODE = 0
   9         PATH = 1
  10
  11         def __init__(self, type):
  12                 Converter.__init__(self, type)
  13                 if type == "LanguageCode":
  14                         self.type = self.LANGUAGE_CODE
  15                 elif type == "Path":
  16                         self.type = self.PATH
  17                 else:
  18                         raise ElementError("'%s' is not <LanguageCode|Path> for ValueToPixmap converter" % type)
  19
  20         @cached
  21         def getPixmap(self):
  22                 if self.source:
  23                         val = self.source.text
  24                         if val in (None, ""):
  25                                 return None
  26                 if self.type == self.PATH:
  27                         return LoadPixmap(cached=True, path=val)
  28                 if self.type == self.LANGUAGE_CODE:
  29                         png = LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, "countries/" + val[3:].lower() + ".png"))
  30                         if png == None:
  31                                 png = LoadPixmap(cached=True, path=resolveFilename(SCOPE_SKIN_IMAGE, "countries/missing.png"))
  32                         return png
  33                 return None
  34
  35         pixmap = property(getPixmap)
  36
  37         def changed(self, what):
  38                 if what[0] != self.CHANGED_SPECIFIC or what[1] == self.type:
  39                         Converter.changed(self, what)
  40