/b-gtk/fix-viz

# Copyright (C) 2006 by Szilveszter Farkas (Phanatic) <szilveszter.farkas@gmail.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os

try:

    import pygtk

    pygtk.require("2.0")

except:

    pass

import gtk

import gtk.glade

from bzrlib.branch import Branch

import bzrlib.bzrdir as bzrdir

import bzrlib.errors as errors

import bzrlib.osutils

from olive import gladefile

from dialog import error_dialog

class OliveCheckout:

    """ Display checkout dialog and perform the needed operations. """

    def __init__(self, path=None):

        """ Initialize the Checkout dialog. """

        self.glade = gtk.glade.XML(gladefile, 'window_checkout', 'olive-gtk')

        self.window = self.glade.get_widget('window_checkout')

        # Dictionary for signal_autoconnect

        dic = { "on_button_checkout_checkout_clicked": self.checkout,

                "on_button_checkout_cancel_clicked": self.close }

        # Connect the signals to the handlers

        self.glade.signal_autoconnect(dic)

        # Save FileChooser state

        self.filechooser = self.glade.get_widget('filechooserbutton_checkout')

        if path is not None:

            self.filechooser.set_filename(path)

    def display(self):

        """ Display the Checkout dialog. """

        self.window.show_all()

    def checkout(self, widget):

        entry_location = self.glade.get_widget('entry_checkout_location')

        location = entry_location.get_text()

        if location is '':

            error_dialog(_('Missing branch location'),

                         _('You must specify a branch location.'))

            return

        destination = self.filechooser.get_filename()

        spinbutton_revno = self.glade.get_widget('spinbutton_checkout_revno')

        revno = spinbutton_revno.get_value_as_int()

        checkbutton_lightweight = self.glade.get_widget('checkbutton_checkout_lightweight')

        lightweight = checkbutton_lightweight.get_active()

        try:

            source = Branch.open(location)

            rev_id = source.get_rev_id(revno)

            # if the source and destination are the same, 

            # and there is no working tree,

            # then reconstitute a branch

            if (bzrlib.osutils.abspath(destination) ==

                bzrlib.osutils.abspath(location)):

                try:

                    source.bzrdir.open_workingtree()

                except errors.NoWorkingTree:

                    source.bzrdir.create_workingtree()

                    return

            destination = destination + '/' + os.path.basename(location.rstrip("/\\"))

            os.mkdir(destination)

            old_format = bzrlib.bzrdir.BzrDirFormat.get_default_format()

            bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())

            try:

                if lightweight:

                    checkout = bzrdir.BzrDirMetaFormat1().initialize(destination)

                    bzrlib.branch.BranchReferenceFormat().initialize(checkout, source)

                else:

                    checkout_branch = bzrlib.bzrdir.BzrDir.create_branch_convenience(

                        destination, force_new_tree=False)

                    checkout = checkout_branch.bzrdir

                    checkout_branch.bind(source)

                    if rev_id is not None:

                        rh = checkout_branch.revno_history()

                        checkout_branch.set_revno_history(rh[:rh.index(rev_id) + 1])

                checkout.create_workingtree(rev_id)

            finally:

                bzrlib.bzrdir.BzrDirFormat.set_default_format(old_format)

        except errors.NotBranchError, errmsg:

            error_dialog(_('Location is not a branch'),

                         _('The specified location has to be a branch.'))

            return

        except errors.TargetAlreadyExists, errmsg:

            error_dialog(_('Target already exists'),

                         _('Target directory (%s)\nalready exists. Please select another target.') % errmsg)

            return

        except errors.NonExistingParent, errmsg:

            error_dialog(_('Non existing parent directory'),

                         _("The parent directory (%s)\ndoesn't exist.") % errmsg)

            return

        self.close()

        self.comm.refresh_right()

    def close(self, widget=None):

        self.window.destroy()