/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.errors as errors

from dialog import error_dialog, info_dialog

from guifiles import GLADEFILENAME

class BranchDialog:

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

    def __init__(self, path=None):

        """ Initialize the Branch dialog. """

        self.glade = gtk.glade.XML(GLADEFILENAME, 'window_branch', 'olive-gtk')

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

        # Dictionary for signal_autoconnect

        dic = { "on_button_branch_branch_clicked": self.branch,

                "on_button_branch_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_branch')

        if path is not None:

            self.filechooser.set_filename(path)

    def display(self):

        """ Display the Branch dialog. """

        self.window.show_all()

    def branch(self, widget):

        entry_location = self.glade.get_widget('entry_branch_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_branch_revno')

        revno = spinbutton_revno.get_value_as_int()

        try:

            from bzrlib.transport import get_transport

            br_from = Branch.open(location)

            br_from.lock_read()

            revision_id = br_from.get_rev_id(revno)

            try:

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

                to_transport = get_transport(destination)

                to_transport.mkdir('.')

                try:

                    dir = br_from.bzrdir.sprout(to_transport.base, revision_id)

                    branch = dir.open_branch()

                    revs = branch.revno()

                except errors.NoSuchRevision:

                    to_transport.delete_tree('.')

                    raise

            finally:

                br_from.unlock()

            self.close()

            info_dialog(_('Branching successful'),

                        _('%d revision(s) branched.') % revs)

        except errors.NonExistingSource, errmsg:

            error_dialog(_('Non existing source'),

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

            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

        except errors.NonExistingRevision:

            error_dialog(_('Non existing revision'),

                         _("The revision you specified doesn't exist."))

            return

        except errors.NotBranchError, errmsg:

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

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

            return

    def close(self, widget=None):

        self.window.destroy()