/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

from gi.repository import Gtk

from bzrlib.branch import Branch

import bzrlib.errors as errors

from bzrlib.plugins.gtk import icon_path

from bzrlib.plugins.gtk.dialog import (

    error_dialog,

    info_dialog,

    warning_dialog,

    )

from bzrlib.plugins.gtk.errors import show_bzr_error

from bzrlib.plugins.gtk.i18n import _i18n

class MergeDialog(Gtk.Dialog):

    """ Display the Merge dialog and perform the needed actions. """

    def __init__(self, wt, wtpath, default_branch_path=None, parent=None):

        """ Initialize the Merge dialog. """

        super(MergeDialog, self).__init__(

            title="Merge changes", parent=parent, flags=0,

            buttons=(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL))

        self.set_icon_from_file(icon_path("bzr-icon-64.png"))

        # Get arguments

        self.wt = wt

        self.wtpath = wtpath

        self.default_branch_path = default_branch_path

        self.parent_window = parent

        # Create widgets

        self._hbox = Gtk.HBox()

        self._source = Gtk.HBox()

        self._label_merge_from = Gtk.Label(label=_i18n("Merge from"))

        self._combo_source = Gtk.ComboBoxText()

        for entry in [_i18n("Folder"),_i18n("Custom Location")]:

            self._combo_source.append_text(entry)

        self._combo_source.connect("changed", self._on_combo_changed)

        self._button_merge = Gtk.Button(_i18n("_Merge"), use_underline=True)

        self._button_merge_icon = Gtk.Image()

        self._button_merge_icon.set_from_stock(Gtk.STOCK_APPLY, Gtk.IconSize.BUTTON)

        self._button_merge.set_image(self._button_merge_icon)

        self._button_merge.connect('clicked', self._on_merge_clicked)

        # Add widgets to dialog

        self.get_content_area().pack_start(self._hbox, False, False, 0)

        self._hbox.add(self._label_merge_from)

        self._hbox.add(self._combo_source)

        self._hbox.set_spacing(5)

        self.action_area.pack_end(self._button_merge, False, False, 0)

        if self.default_branch_path and os.path.isdir(

                            self.default_branch_path.partition('file://')[2]):

            self.directory = self.default_branch_path.partition('file://')[2]

            self._combo_source.set_active(0)

        elif self.default_branch_path:

            self._combo_source.set_active(1)

        else:

            # If no default_branch_path give, default to folder source with current folder

            self._combo_source.set_active(0)

        self.get_content_area().show_all()

    def _on_folder_source(self):

        """ Merge from folder, create a filechooser dialog and button """

        self._source = Gtk.HBox()

        self._filechooser_dialog = Gtk.FileChooserDialog(title="Please select a folder",

                                    parent=self.parent_window,

                                    action=Gtk.FileChooserAction.SELECT_FOLDER,

                                    buttons=(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,

                                             Gtk.STOCK_OPEN, Gtk.ResponseType.OK))

        self._filechooser_dialog.set_default_response(Gtk.ResponseType.OK)

        self._filechooser = Gtk.FileChooserButton(self._filechooser_dialog)

        self._filechooser.show()

        directory = getattr(self, 'directory', None)

        if not directory:

            directory = os.path.dirname(self.wt.abspath(self.wtpath))

        self._filechooser_dialog.set_current_folder(directory)

        self._source.pack_start(self._filechooser, True, True, 0)

        self.get_content_area().pack_start(self._source, True, True, 5)

        self._source.show()

    def _on_custom_source(self):

        """ Merge from a custom source (can be folder, remote, etc), create entry """

        self._source = Gtk.HBox()

        self._custom_entry = Gtk.Entry()

        if self.default_branch_path:

            self._custom_entry.set_text(self.default_branch_path)

        self._custom_entry.connect("activate", self._on_merge_clicked)

        self._custom_entry.show()

        self._source.pack_start(self._custom_entry, True, True, 0)

        self.get_content_area().pack_start(self._source, True, True, 5)

        self._source.show()

    def _on_combo_changed(self, widget):

        merge_source = self._combo_source.get_active()

        self._source.destroy()

        if merge_source == 0:

            # Merge from folder

            self._on_folder_source()

        elif merge_source == 1:

            # Merge from custom

            self._on_custom_source()

    @show_bzr_error

    def _on_merge_clicked(self, widget):

        merge_source = self._combo_source.get_active()

        if merge_source == 0:

            branch = self._filechooser.get_filename()

        elif merge_source == 1:

            branch = self._custom_entry.get_text()

        if branch == "":

            error_dialog(_i18n('Branch not given'),

                         _i18n('Please specify a branch to merge from.'))

            return

        other_branch = Branch.open_containing(branch)[0]

        try:

            conflicts = self.wt.merge_from_branch(other_branch)

        except errors.BzrCommandError, errmsg:

            error_dialog(_i18n('Bazaar command error'), str(errmsg))

            return

        if conflicts == 0:

            # No conflicts found.

            info_dialog(_i18n('Merge successful'),

                        _i18n('All changes applied successfully.'))

        else:

            # There are conflicts to be resolved.

            warning_dialog(_i18n('Conflicts encountered'),

                           _i18n('Please resolve the conflicts manually before committing.'))

        self.response(Gtk.ResponseType.OK)