## Copyright (C) 2001-2005 Red Hat, Inc.
## Copyright (C) 2001, 2002 Than Ngo <than@redhat.com>
## Copyright (C) 2001-2005 Harald Hoyer <harald@redhat.com>
## Copyright (C) 2001, 2002 Philipp Knirsch <pknirsch@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.glade
import os
import re
from netconfpkg import NCDeviceList, NCIPsecList
from netconfpkg.NC_functions import (_, generic_error_dialog, 
                                     PROGNAME, NETCONFDIR)
from netconfpkg.gui.GUI_functions import (xml_signal_autoconnect, 
                                          load_icon, GLADEPATH)

class DeviceConfigDialog:
    def __init__(self, glade_file, device):
        self.device = device

        if not os.path.exists(glade_file):
            glade_file = GLADEPATH + glade_file
        if not os.path.exists(glade_file):
            glade_file = NETCONFDIR + glade_file

        self.xml = gtk.glade.XML(glade_file, None, domain=PROGNAME)
        self.dialog = self.xml.get_widget("Dialog")
        xml_signal_autoconnect(self.xml, 
            {
            "on_okButton_clicked" : self.on_okButton_clicked, 
            "on_notebook_switch_page" : self.on_notebook_switch_page, 
            "on_cancelButton_clicked" : self.on_cancelButton_clicked, 
            })

        glade_file = "sharedtcpip.glade"
        if not os.path.exists(glade_file):
            glade_file = GLADEPATH + glade_file
        if not os.path.exists(glade_file):
            glade_file = NETCONFDIR + glade_file

        self.sharedtcpip_xml = gtk.glade.XML(glade_file, None, 
                                             domain=PROGNAME)
        
        glade_file = "DeviceConfigDialog.glade"
        if not os.path.exists(glade_file):
            glade_file = GLADEPATH + glade_file
        if not os.path.exists(glade_file):
            glade_file = NETCONFDIR + glade_file

        self.deviceconfig_xml = gtk.glade.XML(glade_file, None, 
                                              domain=PROGNAME)

        xml_signal_autoconnect(self.deviceconfig_xml, 
            {
            "on_deviceNameEntry_changed" : self.on_deviceNameEntry_changed, 
            "on_deviceNameEntry_insert_text" : (
                                    self.on_generic_entry_insert_text, 
                                    r"^[a-z|A-Z|0-9\_:]+$"), 
            })

        #window = self.deviceconfig_xml.get_widget ('window')
        frame = self.deviceconfig_xml.get_widget ('generalVbox')
        vbox = self.xml.get_widget ('generalVbox')
        for child in vbox.get_children():
            vbox.remove(child)
        for child in frame.get_children():
            frame.remove(child)
            vbox.pack_start(child)

        vbox.show()
        #window.remove (frame)
        #vbox.pack_start (frame)

        self.xml.get_widget("okButton").set_sensitive(
            len(self.deviceconfig_xml.get_widget(
                'deviceNameEntry').get_text()) > 0)

        load_icon("network.xpm", self.dialog)

        self.hydrate()


    def on_notebook_switch_page(self, *args): # pylint: disable-msg=W0613
        try:
            self.dehydrate()
        except ValueError as e:
            # Ignore the error here, it matters only when ok button is pressed
            pass
        self.hydrate()

    def on_generic_entry_insert_text(self, entry, partial_text, length, 
                                     pos, mstr): # pylint: disable-msg=W0613
        text = partial_text[0:length]
        if re.match(mstr, text):
            return
        entry.emit_stop_by_name('insert_text')

    def on_generic_clist_button_press_event(self, clist, event, func):
        if event.type == gtk.gdk._2BUTTON_PRESS: # pylint: disable-msg=W0212
            info = clist.get_selection_info(event.x, event.y)
            if info != None:
                mid = clist.signal_connect("button_release_event", 
                            self.on_generic_clist_button_release_event, 
                            func)
                clist.set_data("signal_id", mid)

    def on_generic_clist_button_release_event(
                        self, clist, event, func): # pylint: disable-msg=W0613
        mid = clist.get_data ("signal_id")
        clist.disconnect (mid)
        clist.remove_data ("signal_id")
        if func:
            func()

    def on_deviceNameEntry_changed(self, entry):
        deviceName = entry.get_text().strip()
        self.device.DeviceId = deviceName
        self.xml.get_widget("okButton").set_sensitive(len(deviceName) > 0)

    def on_okButton_clicked(self, button): # pylint: disable-msg=W0613
        try:
            self.dehydrate()
        except ValueError as e:
            generic_error_dialog(e, self.dialog)
            self.dialog.run()
        devicelist = NCDeviceList.getDeviceList()
        ipseclist = NCIPsecList.getIPsecList()
        dup = None
        for dev in devicelist:
            if dev == self.device:
                continue
            if dev.DeviceId == self.device.DeviceId:
                dup = 1
                break
        else:    
            for ipsec in ipseclist:
                if ipsec.IPsecId == self.device.DeviceId:
                    dup = 1
                    break

        if dup:
            generic_error_dialog (
            _("Nickname %s is already in use!\nPlease choose another one.\n") 
              % (self.device.DeviceId))
            duplicate = True
            num = 0
            while duplicate:
                devname = self.device.DeviceId + '_' + str(num)
                duplicate = False
                for dev in devicelist:
                    if dev.DeviceId == devname:
                        duplicate = True
                        break
                for ipsec in ipseclist:
                    if ipsec.IPsecId == devname:
                        duplicate = True
                        break
                num = num + 1
            self.device.DeviceId = devname
        return True

    def on_cancelButton_clicked(self, button):
        pass

    def hydrate(self):
        widget = self.deviceconfig_xml.get_widget('deviceNameEntry')
        widget.grab_focus()
        if self.device.DeviceId:
            widget.set_text(self.device.DeviceId)

            self.deviceconfig_xml.get_widget(
                'onBootCB').set_active(self.device.OnBoot == True)
            self.deviceconfig_xml.get_widget(
                'onParentCB').set_active(self.device.OnParent == True)
            self.deviceconfig_xml.get_widget(
                'userControlCB').set_active(self.device.AllowUser == True)
            self.deviceconfig_xml.get_widget(
                'NMControlCB').set_active(self.device.NMControlled != False)
            self.deviceconfig_xml.get_widget(
                'ipv6InitCB').set_active(self.device.IPv6Init == True)

            if self.device.Alias != None:
                self.deviceconfig_xml.get_widget('onBootCB').hide()
                self.deviceconfig_xml.get_widget('onParentCB').show()
            else:
                self.deviceconfig_xml.get_widget('onBootCB').show()
                self.deviceconfig_xml.get_widget('onParentCB').hide()

    def dehydrate(self):
        self.device.DeviceId = self.deviceconfig_xml.get_widget(
            'deviceNameEntry').get_text()

        if self.device.Alias != None:
            self.device.OnParent = self.deviceconfig_xml.get_widget(
                'onParentCB').get_active()
            if self.device.OnBoot:
                self.device.OnBoot = None
        else:
            self.device.OnBoot = self.deviceconfig_xml.get_widget(
                'onBootCB').get_active()
            if self.device.OnParent:
                self.device.OnParent = None

        self.device.AllowUser = self.deviceconfig_xml.get_widget(
            'userControlCB').get_active()
        self.device.NMControlled = self.deviceconfig_xml.get_widget(
            'NMControlCB').get_active()
        self.device.IPv6Init = self.deviceconfig_xml.get_widget(
            'ipv6InitCB').get_active()

__author__ = "Harald Hoyer <harald@redhat.com>"