/b-gtk/fix-viz

# Trivial Bazaar plugin for Nautilus

#

# Copyright (C) 2006 Jeff Bailey

# Copyright (C) 2006 Wouter van Heyst

# Copyright (C) 2006-2011 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 3 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

# Installation:

# setup.py can install nautilus-bzr to the right system folder, if pkg-config

# is present.

#

# You can also install nautilus-bzr manually by copying it (or linking it from)

# ~/.local/share/nautilus-python/extensions/nautilus-bzr.py

from gi.repository import Gtk, GObject, Nautilus

from bzrlib.controldir import ControlDir

from bzrlib.errors import (

    NotBranchError,

    NoWorkingTree,

    )

from bzrlib.ignores import tree_ignores_add_patterns

from bzrlib.tree import InterTree

from bzrlib.plugin import load_plugins

load_plugins()

class BazaarExtension(Nautilus.MenuProvider, Nautilus.ColumnProvider,

        Nautilus.InfoProvider, Nautilus.PropertyPageProvider, GObject.GObject):

    """Nautilus extension providing Bazaar integration."""

    def __init__(self):

        pass

    @classmethod

    def _open_bzrdir(cls, vfs_file):

        uri = vfs_file.get_uri()

        controldir, path = ControlDir.open_containing(uri)

        return controldir, path

    @classmethod

    def _open_tree(cls, vfs_file):

        controldir, path = cls._open_bzrdir(vfs_file)

        return controldir.open_workingtree(), path

    def add_cb(self, menu, tree, path):

        tree.add(path)

    def ignore_cb(self, menu, tree, path):

        # We can only cope with local files

        tree_ignores_add_patterns(tree, [path])

        #FIXME: Add path to ignore file

    def unignore_cb(self, menu, tree, path):

        pass

        # We can only cope with local files

        #FIXME

    def diff_cb(self, menu, tree, path=None):

        from bzrlib.plugins.gtk.diff import DiffWindow

        window = DiffWindow()

        window.set_diff(tree.branch._get_nick(local=True), tree, 

                        tree.branch.basis_tree())

        window.show()

    def newtree_cb(self, menu, vfs_file):

        controldir, path = self._open_bzrdir(vfs_file)

        controldir.create_workingtree()

    def remove_cb(self, menu, tree, path):

        tree.remove(path)

    def annotate_cb(self, menu, tree, path, file_id):

        from bzrlib.plugins.gtk.annotate.gannotate import GAnnotateWindow

        win = GAnnotateWindow()

        win.show()

        win.annotate(tree, tree.branch, file_id)

        Gtk.main()

    def clone_cb(self, menu, vfs_file=None):

        from bzrlib.plugins.gtk.branch import BranchDialog

        controldir, path = self._open_bzrdir(vfs_file)

        dialog = BranchDialog(vfs_file.get_name())

        response = dialog.run()

        if response != Gtk.ResponseType.NONE:

            dialog.hide()

            dialog.destroy()

    def commit_cb(self, menu, tree, path=None):

        from bzrlib.plugins.gtk.commit import CommitDialog

        dialog = CommitDialog(tree, path)

        response = dialog.run()

        if response != Gtk.ResponseType.NONE:

            dialog.hide()

            dialog.destroy()

    def log_cb(self, menu, controldir, path=None):

        from bzrlib.plugins.gtk.viz import BranchWindow

        branch = controldir.open_branch()

        pp = BranchWindow(branch, [branch.last_revision()], None)

        pp.show()

        Gtk.main()

    def pull_cb(self, menu, controldir, path=None):

        from bzrlib.plugins.gtk.pull import PullDialog

        dialog = PullDialog(controldir.open_workingtree(), path)

        dialog.display()

        Gtk.main()

    def merge_cb(self, menu, tree, path=None):

        from bzrlib.plugins.gtk.merge import MergeDialog

        dialog = MergeDialog(tree, path)

        dialog.run()

        dialog.destroy()

    def create_tree_cb(self, menu, controldir):

        controldir.create_workingtree()

    def get_background_items(self, window, vfs_file):

        try:

            controldir, path = self._open_bzrdir(vfs_file)

        except NotBranchError:

            return

        try:

            branch = controldir.open_branch()

        except NotBranchError:

            items = []

            item = Nautilus.MenuItem(name='BzrNautilus::newtree',

                                 label='Make directory versioned',

                                 tip='Create new Bazaar tree in this folder',

                                 icon='')

            item.connect('activate', self.newtree_cb, vfs_file)

            items.append(item)

            item = Nautilus.MenuItem(name='BzrNautilus::clone',

                                 label='Checkout Bazaar branch ...',

                                 tip='Checkout Existing Bazaar Branch',

                                 icon='')

            item.connect('activate', self.clone_cb, vfs_file)

            items.append(item)

            return items

        items = []

        nautilus_integration = self.check_branch_enabled(branch)

        if not nautilus_integration:

            item = Nautilus.MenuItem(name='BzrNautilus::enable',

                                     label='Enable Bazaar Plugin for this Branch',

                                     tip='Enable Bazaar plugin for nautilus',

                                     icon='')

            item.connect('activate', self.toggle_integration, True, branch)

            return [item]

        else:

            item = Nautilus.MenuItem(name='BzrNautilus::disable',

                                     label='Disable Bazaar Plugin this Branch',

                                     tip='Disable Bazaar plugin for nautilus',

                                     icon='')

            item.connect('activate', self.toggle_integration, False, branch)

            items.append(item)

        item = Nautilus.MenuItem(name='BzrNautilus::log',

                             label='History ...',

                             tip='Show Bazaar history',

                             icon='')

        item.connect('activate', self.log_cb, controldir)

        items.append(item)

        item = Nautilus.MenuItem(name='BzrNautilus::pull',

                             label='Pull ...',

                             tip='Pull from another branch',

                             icon='')

        item.connect('activate', self.pull_cb, controldir)

        items.append(item)

        try:

            tree = controldir.open_workingtree()

        except NoWorkingTree:

            item = Nautilus.MenuItem(name='BzrNautilus::create_tree',

                                 label='Create working tree...',

                                 tip='Create a working tree for this branch',

                                 icon='')

            item.connect('activate', self.create_tree_cb, controldir)

            items.append(item)

        else:

            item = Nautilus.MenuItem(name='BzrNautilus::merge',

                                 label='Merge ...',

                                 tip='Merge from another branch',

                                 icon='')

            item.connect('activate', self.merge_cb, tree, path)

            items.append(item)

            item = Nautilus.MenuItem(name='BzrNautilus::commit',

                                 label='Commit ...',

                                 tip='Commit Changes',

                                 icon='')

            item.connect('activate', self.commit_cb, tree, path)

            items.append(item)

        return items

    def _get_file_menuitems(self, tree, intertree, path):

        file_id = tree.path2id(path)

        if file_id is None:

            item = Nautilus.MenuItem(name='BzrNautilus::add',

                                 label='Add',

                                 tip='Add as versioned file',

                                 icon='')

            item.connect('activate', self.add_cb, tree, path)

            yield item

            item = Nautilus.MenuItem(name='BzrNautilus::ignore',

                                 label='Ignore',

                                 tip='Ignore file for versioning',

                                 icon='')

            item.connect('activate', self.ignore_cb, tree, path)

            yield item

        elif tree.is_ignored(path):

            item = Nautilus.MenuItem(name='BzrNautilus::unignore',

                                 label='Unignore',

                                 tip='Unignore file for versioning',

                                 icon='')

            item.connect('activate', self.unignore_cb, tree, path)

            yield item

        else:

            item = Nautilus.MenuItem(name='BzrNautilus::log',

                             label='History ...',

                             tip='List changes',

                             icon='')

            item.connect('activate', self.log_cb, tree.bzrdir, path)

            yield item

            if not intertree.file_content_matches(file_id, file_id):

                item = Nautilus.MenuItem(name='BzrNautilus::diff',

                                 label='View Changes ...',

                                 tip='Show differences',

                                 icon='')

                item.connect('activate', self.diff_cb, tree, path)

                yield item

                item = Nautilus.MenuItem(name='BzrNautilus::commit',

                             label='Commit ...',

                             tip='Commit Changes',

                             icon='')

                item.connect('activate', self.commit_cb, tree, path)

                yield item

            item = Nautilus.MenuItem(name='BzrNautilus::remove',

                                 label='Remove',

                                 tip='Remove this file from versioning',

                                 icon='')

            item.connect('activate', self.remove_cb, tree, path)

            yield item

            item = Nautilus.MenuItem(name='BzrNautilus::annotate',

                         label='Annotate ...',

                         tip='Annotate File Data',

                         icon='')

            item.connect('activate', self.annotate_cb, tree, path, file_id)

            yield item

    def get_file_items(self, window, files):

        items = []

        trees = {}

        try:

            for vfs_file in files:

                controldir, path = self._open_bzrdir(vfs_file)

                try:

                    tree = trees[controldir.user_url]

                except KeyError:

                    try:

                        tree = controldir.open_workingtree()

                    except NoWorkingTree:

                        continue

                    trees[controldir.user_url] = tree

                    tree.lock_read()

                nautilus_integration = self.check_branch_enabled(tree.branch)

                if not nautilus_integration:

                    continue

                intertree = InterTree.get(tree.basis_tree(), tree)

                items.extend(list(self._get_file_menuitems(tree, intertree, path)))

        finally:

            for tree in trees.itervalues():

                tree.unlock()

        return items

    def get_columns(self):

        return [

            Nautilus.Column(name="BzrNautilus::bzr_status",

                            attribute="bzr_status",

                            label="Status",

                            description="Version control status"),

            Nautilus.Column(name="BzrNautilus::bzr_revision",

                            attribute="bzr_revision",

                            label="Revision",

                            description="Last change revision"),

            ]

    def _file_summary(self, tree, basis_tree, intertree, path):

        file_revision = ""

        emblem = None

        file_id = tree.path2id(path)

        if file_id is None:

            if tree.is_ignored(path):

                status = 'ignored'

                emblem = 'bzr-ignored'

            else:

                status = 'unversioned'

            file_revision = "N/A"

        elif tree.has_filename(path): # Still present

            if not intertree.file_content_matches(file_id, file_id):

                if not basis_tree.has_id(file_id):

                    emblem = 'bzr-added'

                    status = 'added'

                    file_revision = "new file"

                elif basis_tree.path2id(file_id) != path:

                    status = 'bzr-renamed'

                    status = 'renamed from %s' % basis_tree.path2id(file_id)

                else:

                    emblem = 'bzr-modified'

                    status = 'modified'

            else:

                emblem = 'bzr-controlled'

                status = 'unchanged'

        elif basis_tree.has_filename(path):

            emblem = 'bzr-removed'

            status = 'removed'

        else:

            # FIXME: Check for ignored files

            status = 'unversioned'

        return (status, emblem, file_revision)

    def update_file_info(self, vfs_file):

        try:

            controldir, path = self._open_bzrdir(vfs_file)

        except NotBranchError:

            return

        try:

            tree = controldir.open_workingtree()

        except NoWorkingTree:

            return

        tree.lock_read()

        try:

            nautilus_integration = self.check_branch_enabled(tree.branch)

            if not nautilus_integration:

                return

            basis_tree = tree.basis_tree()

            intertree = InterTree.get(basis_tree, tree)

            basis_tree.lock_read()

            try:

                (status, emblem, file_revision) = self._file_summary(tree, basis_tree, intertree, path)

            finally:

                basis_tree.unlock()

            if emblem is not None:

                vfs_file.add_emblem(emblem)

            vfs_file.add_string_attribute('bzr_status', status)

            vfs_file.add_string_attribute('bzr_revision', file_revision)

        finally:

            tree.unlock()

    def check_branch_enabled(self, branch):

        # Supports global disable, but there is currently no UI to do this

        config = branch.get_config_stack()

        return config.get("nautilus_integration")

    def toggle_integration(self, menu, action, branch):

        config = branch.get_config_stack()

        config.set("nautilus_integration", action)

    def get_property_pages(self, files):

        pages = []

        for vfs_file in files:

            try:

                controldir, path = self._open_bzrdir(vfs_file)

            except NotBranchError:

                continue

            try:

                tree = controldir.open_workingtree()

            except NoWorkingTree:

                continue

            tree.lock_read()

            try:

                file_id = tree.path2id(path)

                pages.append(PropertyPageFile(tree, file_id, path))

                pages.append(PropertyPageBranch(tree.branch))

            finally:

                tree.unlock()

        return pages

class PropertyPageFile(Nautilus.PropertyPage):

    def __init__(self, tree, file_id, path):

        self.tree = tree

        self.file_id = file_id

        self.path = path

        label = Gtk.Label('File Version')

        label.show()

        table = self._create_table()

        super(PropertyPageFile, self).__init__(label=label,

            name="BzrNautilus::file_page", page=table)

    def _create_table(self):

        table = Gtk.Table(homogeneous=False, columns=2, rows=3)

        table.attach(Gtk.Label('File id:'), 0, 1, 0, 1)

        table.attach(Gtk.Label(self.file_id), 1, 2, 0, 1)

        table.attach(Gtk.Label('SHA1Sum:'), 0, 1, 1, 2)

        table.attach(Gtk.Label(self.tree.get_file_sha1(self.file_id, self.path)), 1, 1, 1, 2)

        basis_tree = self.tree.revision_tree(self.tree.last_revision())

        last_revision = basis_tree.get_file_revision(self.file_id)

        table.attach(Gtk.Label('Last Change Revision:'), 0, 1, 2, 3)

        revno = ".".join([str(x) for x in

            self.tree.branch.revision_id_to_dotted_revno(last_revision)])

        table.attach(Gtk.Label(revno), 1, 1, 2, 3)

        table.attach(Gtk.Label('Last Change Author:'), 0, 1, 3, 4)

        rev = self.tree.branch.repository.get_revision(last_revision)

        table.attach(Gtk.Label("\n".join(rev.get_apparent_authors())), 1, 1, 3, 4)

        table.show_all()

        return table

class PropertyPageBranch(Nautilus.PropertyPage):

    def __init__(self, branch):

        self.branch = branch

        label = Gtk.Label('Branch')

        label.show()

        table = self._create_table()

        super(PropertyPageBranch, self).__init__(label=label,

            name="BzrNautilus::branch_page", page=table)

    def _create_table(self):

        table = Gtk.Table(homogeneous=False, columns=2, rows=3)

        table.attach(Gtk.Label('Push location:'), 0, 1, 0, 1)

        table.attach(Gtk.Label(self.branch.get_push_location()), 1, 2, 0, 1)

        table.attach(Gtk.Label('Parent location:'), 0, 1, 1, 2)

        table.attach(Gtk.Label(self.branch.get_parent()), 1, 1, 1, 2)

        table.show_all()

        return table