def __init__(self, name, type, values, default):
self.name = name
self.type = type
self.valid_values = values
self.default = default
self.__value = default
# if we are the first preference, create the gconf object
if self.gconf == None and self._has_gconf():
from istanbul.main.gconf_client import IstanbulGConf
self.gconf = IstanbulGConf()
# see if we have this as a stored setting.
# if we do and its valid, keep it.
# otherwise, assume the default and set it in gconf.
if self.gconf != None:
self.gconf_key = "/apps/istanbul/" + self.name
temp_val = self.gconf.get_entry(self.name, self.type)
if self._is_valid(temp_val):
self.value = temp_val
else:
self.gconf.set_entry(self.name, self.value, self.type)
else:
self.gconf_key = None
class Preference(object):
"""
This class represents a generic preference.
"""
gconf = None
def __init__(self, name, type, values, default):
self.name = name
self.type = type
self.valid_values = values
self.default = default
self.__value = default
# if we are the first preference, create the gconf object
if self.gconf == None and self._has_gconf():
from istanbul.main.gconf_client import IstanbulGConf
self.gconf = IstanbulGConf()
# see if we have this as a stored setting.
# if we do and its valid, keep it.
# otherwise, assume the default and set it in gconf.
if self.gconf != None:
self.gconf_key = "/apps/istanbul/" + self.name
temp_val = self.gconf.get_entry(self.name, self.type)
if self._is_valid(temp_val):
self.value = temp_val
else:
self.gconf.set_entry(self.name, self.value, self.type)
else:
self.gconf_key = None
def _is_valid(self, temp_val):
if self.type != "integer":
if temp_val in self.valid_values:
return True
else:
if temp_val >= self.valid_values[0] and temp_val <= self.valid_values[1]:
return True
return False
def generate_gui_event(self, widget, data):
"""
Return a gui event for this preference.
"""
if DEBUG: print "generated gui event for: " + self.name
event = widget.connect("toggled", Preferences().set_preference, "gui", data)
return event
def generate_gconf_event(self, widget):
"""
Return a gconf event for this preference.
"""
if self.gconf != None:
if DEBUG: print "generated gconf event for: " + self.name
event = self.gconf.client.notify_add("/apps/istanbul/" + self.name, Preferences().set_preference, ("gconf", widget))
return event
else:
return None
def _get_value(self):
if DEBUG: print "in get value"
return self.__value
def _set_value(self, value):
if DEBUG: print "in set value"
self.__value = value
if self.gconf != None:
# only update if the values aren't equal for some odd reason.
# we don't want this event firing over and over.
if self.gconf.get_entry(self.name, self.type) != value:
self.gconf.set_entry(self.name, self.value, self.type)
value = property(_get_value, _set_value)
def _has_gconf(self):
try:
import gconf
return True
except:
return False
def print_i(self):
print "name: " + str(self.name) + "\n"\
"type: " + str(self.type) + "\n"\
"value: " + str(self.value) + "\n"
