class ZUserPreferencesBase(IZUserPreferences): def __init__(self): self.listeners = ZListenerSet() # end __init__() def addListener(self, listener): self.listeners.addListener(listener) # end addListener() def removeListener(self, listener): self.listeners.removeListener(listener) # end removeListener() def getUserPreference(self, key, dflt = None): rval = self._getUserPreference(key) if rval is None: rval = dflt return rval # end getUserPreference() def getUserPreferenceBool(self, key, dflt = None): value = self.getUserPreference(key, None) if value is None: return dflt return value == u"True" or value == u"true" #$NON-NLS-2$ #$NON-NLS-1$ # end getUserPreferenceBool() def getUserPreferenceInt(self, key, dflt = None): value = self.getUserPreference(key, None) if value is None: return dflt try: return string.atoi(value) except: return dflt # end getUserPreferenceInt def setUserPreference(self, key, value): self.listeners.doCallback(u"onUserPreferenceChange", [key, value]) #$NON-NLS-1$ if value is not None: value = unicode(value) self._setUserPreference(key, value) # end setUserPreference() def removeUserPreference(self, key): self._removeUserPreference(key) # end removeUserPreference() def _getUserPreference(self, key): u"Internal method to get the value of the user preference. If it does not exist, this should return None." #$NON-NLS-1$ raise ZAbstractMethodCalledException(unicode(self.__class__), u"_getUserPreference") #$NON-NLS-1$ # end _getUserPreference() def _setUserPreference(self, key, value): u"Internal method to set the value of the user preference." #$NON-NLS-1$ raise ZAbstractMethodCalledException(unicode(self.__class__), u"_setUserPreference") #$NON-NLS-1$ # end _setUserPreference() def _removeUserPreference(self, key): u"Internal method to remove the value of the user preference." #$NON-NLS-1$ raise ZAbstractMethodCalledException(unicode(self.__class__), u"_removeUserPreference") #$NON-NLS-1$