/b-gtk/fix-viz

# Copyright (C) 2006 by Szilveszter Farkas (Phanatic)

#                       <szilveszter.farkas@gmail.com>

# Copyright (C) 2007 by Jelmer Vernooij <jelmer@samba.org>

#

# 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

from gi.repository import Gtk

from errors import show_bzr_error

from bzrlib import (

    errors,

    ui,

    )

from bzrlib.bzrdir import BzrDir

from bzrlib.transport import get_transport

from bzrlib.plugins.gtk.dialog import (

    question_dialog,

    )

from bzrlib.plugins.gtk.history import UrlHistory

from bzrlib.plugins.gtk.i18n import _i18n

from bzrlib.plugins.gtk.ui import ProgressPanel

class PushDialog(Gtk.Dialog):

    """New implementation of the Push dialog."""

    def __init__(self, repository=None, revid=None, branch=None, parent=None):

        """Initialize the Push dialog. """

        super(PushDialog, self).__init__(

            title="Push", parent=parent, flags=0, border_width=6,

            buttons=(Gtk.STOCK_CLOSE, Gtk.ResponseType.CLOSE))

        if repository is None:

            repository = branch.repository

        self.branch = branch

        # Unused arguments

        self.repository = repository

        if revid is None:

            revid = branch.last_revision()

        self.revid = revid

        # Create the widgets

        self._label_location = Gtk.Label(label=_i18n("Location:"))

        self._combo = Gtk.ComboBox.new_with_entry()

        self._button_push = Gtk.Button(_i18n("_Push"), use_underline=True)

        self._hbox_location = Gtk.Box(Gtk.Orientation.HORIZONTAL, 6)

        self._push_message = Gtk.Label(xalign=0)

        self._progress_widget = ProgressPanel()

        # Set callbacks

        ui.ui_factory.set_progress_bar_widget(self._progress_widget)

        self.connect('close', self._on_close_clicked)

        self._button_push.connect('clicked', self._on_push_clicked)

        # Set properties

        content_area = self.get_content_area()

        content_area.set_spacing(6)

        # Pack widgets

        self._hbox_location.pack_start(self._label_location, False, False, 0)

        self._hbox_location.pack_start(self._combo, False, False, 0)

        content_area.pack_start(self._hbox_location, True, True, 0)

        content_area.pack_start(self._progress_widget, True, True, 0)

        content_area.pack_start(self._push_message, True, True, 0)

        self.get_action_area().pack_end(self._button_push, True, True, 0)

        # Show the dialog

        content_area.show_all()

        self._progress_widget.hide()

        self._push_message.hide()

        # Build location history

        self._history = UrlHistory(self.branch.get_config(), 'push_history')

        self._build_history()

    def _build_history(self):

        """Build up the location history. """

        self._combo_model = Gtk.ListStore(str)

        for item in self._history.get_entries():

            self._combo_model.append([item])

        self._combo.set_model(self._combo_model)

        self._combo.set_entry_text_column(0)

        if self.branch is not None:

            location = self.branch.get_push_location()

            if location is not None:

                self._combo.get_child().set_text(location)

    def _on_close_clicked(self, widget):

        """Close dialog handler."""

        ui.ui_factory.set_progress_bar_widget(None)

    @show_bzr_error

    def _on_push_clicked(self, widget):

        """Push button clicked handler. """

        self._push_message.hide()

        self._progress_widget.tick()

        location = self._combo.get_child().get_text()

        try:

            message = do_push(self.branch, location, overwrite=False)

        except errors.DivergedBranches:

            response = question_dialog(

                _i18n('Branches have been diverged'),

                _i18n('You cannot push if branches have diverged.\n'

                      'Overwrite?'))

            if response == Gtk.ResponseType.YES:

                message = do_push(self.branch, location, overwrite=True)

            else:

                return

        self._history.add_entry(location)

        if (self.branch is not None

            and self.branch.get_push_location() is None):

            self.branch.set_push_location(location)

        if message:

            self._progress_widget.finished()

            self._push_message.props.label = message

            self._push_message.show()

def do_push(br_from, location, overwrite):

    """Update a mirror of a branch.

    :param br_from: the source branch

    :param location: the location of the branch that you'd like to update

    :param overwrite: overwrite target location if it diverged

    :return: number of revisions pushed

    """

    transport = get_transport(location)

    location_url = transport.base

    try:

        dir_to = BzrDir.open(location_url)

        br_to = dir_to.open_branch()

    except errors.NotBranchError:

        # create a branch.

        transport = transport.clone('..')

        try:

            relurl = transport.relpath(location_url)

            transport.mkdir(relurl)

        except errors.NoSuchFile:

            response = question_dialog(

                _i18n('Non existing parent directory'),

                _i18n("The parent directory (%s)\ndoesn't exist. Create?") %

                location)

            if response == Gtk.ResponseType.OK:

                transport.create_prefix()

            else:

                return

        dir_to = br_from.bzrdir.clone(location_url,

            revision_id=br_from.last_revision())

        br_to = dir_to.open_branch()

        count = len(br_to.revision_history())

    else:

        br_to.revision_history()

        try:

            tree_to = dir_to.open_workingtree()

        except errors.NotLocalUrl:

            # FIXME - what to do here? how should we warn the user?

            count = br_to.pull(br_from, overwrite)

        except errors.NoWorkingTree:

            count = br_to.pull(br_from, overwrite)

        else:

            count = tree_to.pull(br_from, overwrite)

    # The count var is either an int or a PushResult. PushResult is being

    # coerced into an int, but the method is deprecated.

    return _i18n("%d revision(s) pushed.") % int(count)