/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

try:

    import pygtk

    pygtk.require("2.0")

except:

    pass

import gtk

from errors import show_bzr_error

from bzrlib.config import LocationConfig

import bzrlib.errors as errors

from dialog import error_dialog, info_dialog, question_dialog

from history import UrlHistory

class PushDialog(gtk.Dialog):

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

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

        """ Initialize the Push dialog. """

        gtk.Dialog.__init__(self, title="Push - Olive",

                                  parent=parent,

                                  flags=0,

                                  buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL))

        # Get arguments

        self.branch = branch

        # Create the widgets

        self._label_location = gtk.Label(_("Location:"))

        self._label_test = gtk.Label(_("(click the Test button to check write access)"))

        self._check_remember = gtk.CheckButton(_("_Remember as default location"),

                                               use_underline=True)

        self._check_prefix = gtk.CheckButton(_("Create the path _leading up to the location"),

                                             use_underline=True)

        self._check_overwrite = gtk.CheckButton(_("_Overwrite target if diverged"),

                                                use_underline=True)

        self._combo = gtk.ComboBoxEntry()

        self._button_test = gtk.Button(_("_Test"), use_underline=True)

        self._button_push = gtk.Button(_("_Push"), use_underline=True)

        self._hbox_location = gtk.HBox()

        self._hbox_test = gtk.HBox()

        self._image_test = gtk.Image()

        # Set callbacks

        self._button_test.connect('clicked', self._on_test_clicked)

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

        # Set properties

        self._image_test.set_from_stock(gtk.STOCK_DIALOG_INFO, gtk.ICON_SIZE_BUTTON)

        self._label_location.set_alignment(0, 0.5)

        self._label_test.set_alignment(0, 0.5)

        self._hbox_location.set_spacing(3)

        self._hbox_test.set_spacing(3)

        self.vbox.set_spacing(3)

        # Pack widgets

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

        self._hbox_location.pack_start(self._combo, True, True)

        self._hbox_test.pack_start(self._image_test, False, False)

        self._hbox_test.pack_start(self._label_test, True, True)

        self.vbox.pack_start(self._hbox_location)

        self.vbox.pack_start(self._check_remember)

        self.vbox.pack_start(self._check_prefix)

        self.vbox.pack_start(self._check_overwrite)

        self.vbox.pack_start(self._hbox_test)

        self.action_area.pack_start(self._button_test)

        self.action_area.pack_end(self._button_push)

        # Show the dialog

        self.vbox.show_all()

        # 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_text_column(0)

        location = self.branch.get_push_location()

        if location:

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

    def _on_test_clicked(self, widget):

        """ Test button clicked handler. """

        import re

        _urlRE = re.compile(r'^(?P<proto>[^:/\\]+)://(?P<path>.*)$')

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

        m = _urlRE.match(url)

        if m:

            proto = m.groupdict()['proto']

            # FIXME: This should ask the transport or branch rather than 

            # guessing using regular expressions. JRV 20070714

            if proto in ('sftp', 'file', 'ftp'):

                # have write access (most probably)

                self._image_test.set_from_stock(gtk.STOCK_YES, 4)

                self._label_test.set_markup(_('<b>Write access is probably available</b>'))

            else:

                # no write access

                self._image_test.set_from_stock(gtk.STOCK_NO, 4)

                self._label_test.set_markup(_('<b>No write access</b>'))

        else:

            # couldn't determine

            self._image_test.set_from_stock(gtk.STOCK_DIALOG_QUESTION, 4)

            self._label_test.set_markup(_('<b>Could not determine</b>'))

    @show_bzr_error

    def _on_push_clicked(self, widget):

        """ Push button clicked handler. """

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

        revs = 0

        try:

            revs = do_push(self.branch,

                           location=location,

                           overwrite=self._check_overwrite.get_active(),

                           remember=self._check_remember.get_active(),

                           create_prefix=self._check_prefix.get_active())

        except errors.DivergedBranches:

            response = question_dialog(_('Branches have been diverged'),

                                       _('You cannot push if branches have diverged.\nOverwrite?'))

            if response == gtk.RESPONSE_OK:

                revs = do_push(self.branch, overwrite=True)

            return

        self._history.add_entry(location)

        info_dialog(_('Push successful'),

                    _("%d revision(s) pushed.") % revs)

        self.response(gtk.RESPONSE_OK)

def do_push(branch, location=None, remember=False, overwrite=False,

         create_prefix=False):

    """ Update a mirror of a branch.

    :param branch: the source branch

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

    :param remember: if set, the location will be stored

    :param overwrite: overwrite target location if it diverged

    :param create_prefix: create the path leading up to the branch if it doesn't exist

    :return: number of revisions pushed

    """

    from bzrlib.bzrdir import BzrDir

    from bzrlib.transport import get_transport

    br_from = branch

    stored_loc = br_from.get_push_location()

    if location is None:

        if stored_loc is None:

            error_dialog(_('Push location is unknown'),

                         _('Please specify a location manually.'))

            return

        else:

            location = stored_loc

    transport = get_transport(location)

    location_url = transport.base

    if br_from.get_push_location() is None or remember:

        br_from.set_push_location(location_url)

    old_rh = []

    try:

        dir_to = BzrDir.open(location_url)

        br_to = dir_to.open_branch()

    except errors.NotBranchError:

        # create a branch.

        transport = transport.clone('..')

        if not create_prefix:

            try:

                relurl = transport.relpath(location_url)

                transport.mkdir(relurl)

            except errors.NoSuchFile:

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

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

                return

        else:

            current = transport.base

            needed = [(transport, transport.relpath(location_url))]

            while needed:

                try:

                    transport, relpath = needed[-1]

                    transport.mkdir(relpath)

                    needed.pop()

                except errors.NoSuchFile:

                    new_transport = transport.clone('..')

                    needed.append((new_transport,

                                   new_transport.relpath(transport.base)))

                    if new_transport.base == transport.base:

                        error_dialog(_('Path prefix not created'),

                                     _("The path leading up to the specified location couldn't\nbe created."))

                        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:

        old_rh = 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?

            #warning('This transport does not update the working '

            #        'tree of: %s' % (br_to.base,))

            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)

    return count