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## system-config-printer
## Copyright (C) 2006 Red Hat, Inc.
## Copyright (C) 2006 Florian Festi <ffesti@redhat.com>
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import gtk
def OptionWidget(name, v, s, on_change):
if isinstance(v, list):
# XXX
if isinstance(s, list):
for vv in v + s:
if not isinstance(vv, str): raise ValueError
return OptionSelectMany(name, v, s, on_change)
raise NotImplemented
else:
if (isinstance(s, int) or
(isinstance(s, tuple) and len(s)==2 and
isinstance(s[0], int) and isinstance(s[1], int))):
try:
v = int(v)
except ValueError:
return OptionText(name, v, "", on_change)
return OptionNumeric(name, v, s, on_change)
elif isinstance(s, list):
for sv in s:
if not isinstance(sv, int):
return OptionSelectOne(name, v, s, on_change)
try:
v = int(v)
except ValueError:
return OptionSelectOne(name, v, s, on_change)
return OptionSelectOneNumber(name, v, s, on_change)
elif isinstance(s, str):
return OptionText(name, v, s, on_change)
else:
raise ValueError
# ---------------------------------------------------------------------------
class Option:
conflicts = None
def __init__(self, name, value, supported, on_change):
self.name = name
self.value = value
self.supported = supported
self.on_change = on_change
self.is_new = False
label = name
if not label.endswith (':'):
label += ':'
self.label = gtk.Label(label)
self.label.set_alignment(0.0, 0.5)
def get_current_value(self):
raise NotImplemented
def is_changed(self):
return (self.is_new or
str (self.get_current_value()) != str (self.value))
def changed(self, widget, *args):
self.on_change(self)
# ---------------------------------------------------------------------------
class OptionSelectOne(Option):
def __init__(self, name, value, supported, on_change):
Option.__init__(self, name, value, supported, on_change)
self.selector = gtk.combo_box_new_text()
selected = None
for nr, choice in enumerate(supported):
self.selector.append_text(str(choice))
if str (value) == str (choice):
selected = nr
if selected is not None:
self.selector.set_active(selected)
else:
print "Unknown value for %s: %s" % (name, value)
print "Choices:", supported
self.selector.connect("changed", self.changed)
def get_current_value(self):
return self.selector.get_active_text()
# ---------------------------------------------------------------------------
class OptionSelectOneNumber(OptionSelectOne):
def get_current_value(self):
return int(self.selector.get_active_text())
# ---------------------------------------------------------------------------
class OptionSelectMany(Option):
def __init__(self, name, value, supported, on_change):
Option.__init__(self, name, value, supported, on_change)
self.checkboxes = []
vbox = gtk.VBox()
for s in supported:
checkbox = gtk.CheckButton(label=s)
checkbox.set_active(s in value)
vbox.add(checkbox)
checkbox.connect("toggled", self.changed)
self.checkboxes.append(checkbox)
self.selector = vbox
def get_current_value(self):
return[s for s, chk in zip(self.supported, self.checkboxes)
if chk.get_active()]
# ---------------------------------------------------------------------------
class OptionNumeric(Option):
def __init__(self, name, value, supported, on_change):
if isinstance(supported, int):
supported = (0, supported)
Option.__init__(self, name, value, supported, on_change)
adj = gtk.Adjustment(value, supported[0], supported[1], 1.0, 5.0, 0.0)
self.selector = gtk.SpinButton(adj, climb_rate=1.0)
self.selector.set_numeric(True)
self.selector.connect("changed", self.changed)
def get_current_value(self):
return self.selector.get_value_as_int()
# ---------------------------------------------------------------------------
class OptionText(Option):
def __init__(self, name, value, supported, on_change):
Option.__init__(self, name, value, supported, on_change)
self.selector = gtk.Entry()
self.selector.set_text(value)
self.selector.connect("changed", self.changed)
def get_current_value(self):
return self.selector.get_text()
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