mphelp/src/plugin.py

   1 #from Plugins.Plugin import PluginDescriptor
   2 from MPHelp import MPHelp
   3
   4 from collections import Callable
   5
   6 helpList = []
   7
   8 class PluginHelp(object):
   9         def __init__(self, getNameFunc, getPagesFunc, additionalSkin=""):
  10                 if not isinstance(getNameFunc, Callable):
  11                         print "NOT CALLABLE?!"
  12                         getNameFunc = lambda x: getNameFunc
  13                 self.getNameFunc = getNameFunc
  14
  15                 if not isinstance(getPagesFunc, Callable):
  16                         print "NOT CALLABLE EITHER?!"
  17                         getPagesFunc = lambda x: getPagesFunc
  18                 self.getPagesFunc = getPagesFunc
  19
  20                 self.additionalSkin = additionalSkin
  21
  22         def __getattr__(self, attr):
  23                 if attr == "name": return self.getNameFunc()
  24                 elif attr == "pages": return self.getPagesFunc()
  25                 return object.__getattr__(self, attr)
  26
  27         def open(self, session):
  28                 session.open(MPHelp, self.pages, title=self.name, additionalSkin=self.additionalSkin)
  29
  30         def openWithCallback(self, session, callback):
  31                 assert isinstance(callback, Callable), "callback has to be callable!"
  32                 session.openWithCallback(callback, MPHelp, self.pages, title=self.name, additionalSkin=self.additionalSkin)
  33
  34 def registerHelp(getNameFunc, getPagesFunc, additionalSkin=""):
  35         curName = getNameFunc()
  36         for x in helpList:
  37                 if x.name == curName:
  38                         return x
  39         x = PluginHelp(getNameFunc, getPagesFunc, additionalSkin=additionalSkin)
  40         helpList.append(x)
  41         return x
  42
  43 def showHelp(session, curName, callback=None):
  44         for x in helpList:
  45                 if x.name == curName:
  46                         if callback:
  47                                 x.openWithCallback(session, callback)
  48                         else:
  49                                 x.open(session)
  50                         return True
  51         return False
  52
  53 def Plugins(**kwargs):
  54         return [
  55         ]
  56
  57 __all__ = ['Plugins', 'registerHelp', 'showHelp']