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#
# upgrade_migratefs_gui.py: dialog for migrating filesystems on upgrades
#
# Copyright (C) 2001, 2002  Red Hat, Inc.  All rights reserved.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# Author(s): Mike Fulbright <msf@redhat.com>
#

from iw_gui import *
from rhpl.translate import _, N_
from constants import *
import string
import isys 
import iutil
from fsset import *
import gtk

class UpgradeMigrateFSWindow (InstallWindow):		
    windowTitle = N_("Migrate File Systems")

    def getNext (self):
        for entry in self.migent:
            entry.setFormat(0)
            entry.setMigrate(0)
            entry.fsystem = entry.origfsystem

        for (cb, entry) in self.cbs:
            if cb.get_active():
                entry.setFileSystemType(fileSystemTypeGet("ext3"))
                entry.setFormat(0)
                entry.setMigrate(1)
                
        return None

    def getScreen (self, anaconda):
      
        self.fsset = anaconda.id.fsset
        self.migent = self.fsset.getMigratableEntries()
        
        box = gtk.VBox (False, 5)
        box.set_border_width (5)

	text = N_("This release of %s supports "
                 "the ext3 journaling file system, which has several "
                 "benefits over the ext2 file system traditionally shipped "
                 "in %s.  This installation program can migrate the ext2 "
                 "formatted partitions to ext3 without data loss.\n\n"
                 "Which of these partitions would you like to migrate?" %
                  (productName, productName))
        
	label = gtk.Label (_(text))
        label.set_alignment (0.5, 0.0)
        label.set_size_request(400, -1)
        label.set_line_wrap (True)
        box.pack_start(label, False)

        cbox = gtk.VBox(False, 5)
        self.cbs = []
        for entry in self.migent:
            if entry.fsystem.getName() != entry.origfsystem.getName():
                migrating = 1
            else:
                migrating = 0
            
            cb = gtk.CheckButton("/dev/%s - %s - %s" % (entry.device.getDevice(),
                                              entry.origfsystem.getName(),
                                              entry.mountpoint))
            cb.set_active(migrating)
            cbox.pack_start(cb, False)

            self.cbs.append((cb, entry))

        sw = gtk.ScrolledWindow()
        sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
        sw.add_with_viewport(cbox)
        sw.set_size_request(-1, 175)
        
        viewport = sw.get_children()[0]
        viewport.set_shadow_type(gtk.SHADOW_IN)
        
        a = gtk.Alignment(0.25, 0.5)
        a.add(sw)

        box.pack_start(a, True)
        
        a = gtk.Alignment(0.5, 0.5)
        a.add(box)
        return a