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#
# class to create an IP address entry widget and to sanity check entered values
#
# Jonathan Blandford <jrb@redhat.com>
# Michael Fulbright <msf@redhat.com>
#
# Copyright 2002 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import re
import gettext
import gtk
import gobject
import gui
from translate import _, N_
ip_re = re.compile('^([0-2]?[0-9]?[0-9])\\.([0-2]?[0-9]?[0-9])\\.([0-2]?[0-9]?[0-9])\\.([0-2]?[0-9]?[0-9])$')
_=gettext.gettext
# Includes an error message, and the widget with problems
class IPError(Exception):
pass
class IPEditor:
def __init__ (self):
self.entry1 = gtk.Entry(3)
self.entry2 = gtk.Entry(3)
self.entry3 = gtk.Entry(3)
self.entry4 = gtk.Entry(3)
self.entry1.set_max_length(3)
self.entry1.connect('insert_text', self.entry_insert_text_cb, self.entry2)
self.entry2.set_max_length(3)
self.entry2.connect('insert_text', self.entry_insert_text_cb, self.entry3)
self.entry3.set_max_length(3)
self.entry3.connect('insert_text', self.entry_insert_text_cb, self.entry4)
self.entry4.set_max_length(3)
self.entry4.connect('insert_text', self.entry_insert_text_cb, None)
hbox = gtk.HBox()
hbox.pack_start(self.entry1, gtk.FALSE, gtk.FALSE)
hbox.pack_start(gtk.Label('.'), gtk.FALSE, gtk.FALSE)
hbox.pack_start(self.entry2, gtk.FALSE, gtk.FALSE)
hbox.pack_start(gtk.Label('.'), gtk.FALSE, gtk.FALSE)
hbox.pack_start(self.entry3, gtk.FALSE, gtk.FALSE)
hbox.pack_start(gtk.Label('.'), gtk.FALSE, gtk.FALSE)
hbox.pack_start(self.entry4, gtk.FALSE, gtk.FALSE)
self.widget = hbox
def getWidget(self):
return self.widget
def clear_entries (self):
self.entry1.set_text('')
self.entry2.set_text('')
self.entry3.set_text('')
self.entry4.set_text('')
def hydrate (self, ip_string):
self.clear_entries()
#Sanity check the string
m = ip_re.match (ip_string)
try:
if not m:
return
octets = m.groups()
if len(octets) != 4:
return
for octet in octets:
if (int(octet) < 0) or (int(octet) > 255):
return
except TypeError:
return
self.entry1.set_text(octets[0])
self.entry2.set_text(octets[1])
self.entry3.set_text(octets[2])
self.entry4.set_text(octets[3])
def dehydrate (self):
widget = None
try:
widget = self.entry1
if int(widget.get_text()) > 255:
raise IPError, (_("IP Addresses must contain numbers between 1 and 255"), widget)
widget = self.entry2
if int(widget.get_text()) > 255:
raise IPError, (_("IP Addresses must contain numbers between 1 and 255"), widget)
widget = self.entry3
if int(widget.get_text()) > 255:
raise IPError, (_("IP Addresses must contain numbers between 1 and 255"), widget)
widget = self.entry4
if int(widget.get_text()) > 255:
raise IPError, (_("IP Addresses must contain numbers between 1 and 255"), widget)
except ValueError, msg:
raise IPError, (_("IP Addresses must contain numbers between 1 and 255"), widget)
return self.entry1.get_text() + "." + self.entry2.get_text() + "." +self.entry3.get_text() + "." +self.entry4.get_text()
def entry_insert_text_cb(self, entry, text, length, pos, next):
if text == '.':
entry.emit_stop_by_name ("insert_text")
if next:
next.grab_focus()
return
reg = re.compile ("[^0-9]+")
if reg.match (text):
entry.emit_stop_by_name ("insert_text")
if __name__ == "__main__":
def output(xxx, data):
try:
print data.dehydrate()
except:
print "oops errors"
gtk.mainquit()
win = gtk.Window()
win.connect('destroy', gtk.mainquit)
vbox = gtk.VBox()
ip = IPEditor()
vbox = gtk.VBox()
vbox.pack_start(ip.getWidget())
button = gtk.Button("Quit")
button.connect("pressed", output, ip)
vbox.pack_start(button, gtk.FALSE, gtk.FALSE)
win.add(vbox)
win.show_all()
gtk.mainloop()
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