File: nautilus-bzr.py

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bzr-gtk 0.94.0-1
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# Trivial Bazaar plugin for Nautilus
#
# Copyright (C) 2006 Jeff Bailey
# Copyright (C) 2006 Wouter van Heyst
# Copyright (C) 2006-2008 Jelmer Vernooij <jelmer@samba.org>
#
# Published under the GNU GPL

import gtk
import nautilus
import bzrlib
from bzrlib.branch import Branch
from bzrlib.bzrdir import BzrDir
from bzrlib.errors import NotBranchError, NoWorkingTree, UnsupportedProtocol
from bzrlib.tree import file_status
from bzrlib.workingtree import WorkingTree
from bzrlib.config import GlobalConfig

from bzrlib.plugin import load_plugins
load_plugins()

from bzrlib.plugins.gtk import cmd_visualise, cmd_gannotate

class BzrExtension(nautilus.MenuProvider, nautilus.ColumnProvider, nautilus.InfoProvider):
    def __init__(self):
        pass

    def add_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        tree.add(path)

        return

    def ignore_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        #FIXME

        return

    def unignore_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        #FIXME

        return

    def diff_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        from bzrlib.plugins.gtk.diff import DiffWindow
        window = DiffWindow()
        window.set_diff(tree.branch.nick, tree, tree.branch.basis_tree())
        window.show()

        return

    def newtree_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()

        # We only want to continue here if we get a NotBranchError
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            BzrDir.create_standalone_workingtree(file)

    def remove_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        tree.remove(path)

    def annotate_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()

        vis = cmd_gannotate()
        vis.run(file)

    def clone_cb(self, menu, vfs_file=None):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        from bzrlib.plugins.gtk.branch import BranchDialog
        
        dialog = BranchDialog(vfs_file.get_name())
        response = dialog.run()
        if response != gtk.RESPONSE_NONE:
            dialog.hide()
            dialog.destroy()
 
    def commit_cb(self, menu, vfs_file=None):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()
        tree = None
        branch = None
        try:
            tree, path = WorkingTree.open_containing(file)
            branch = tree.branch
        except NotBranchError, e:
            path = e.path
            #return
        except NoWorkingTree, e:
            path = e.base
            try:
                (branch, path) = Branch.open_containing(path)
            except NotBranchError, e:
                path = e.path

        from bzrlib.plugins.gtk.commit import CommitDialog
        dialog = CommitDialog(tree, path)
        response = dialog.run()
        if response != gtk.RESPONSE_NONE:
            dialog.hide()
            dialog.destroy()

    def log_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()

        # We only want to continue here if we get a NotBranchError
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        vis = cmd_visualise()
        vis.run(file)

        return

    def pull_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()

        # We only want to continue here if we get a NotBranchError
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        from bzrlib.plugins.gtk.pull import PullDialog
        dialog = PullDialog(tree, path)
        dialog.display()
        gtk.main()

    def merge_cb(self, menu, vfs_file):
        # We can only cope with local files
        if vfs_file.get_uri_scheme() != 'file':
            return

        file = vfs_file.get_uri()

        # We only want to continue here if we get a NotBranchError
        try:
            tree, path = WorkingTree.open_containing(file)
        except NotBranchError:
            return

        from bzrlib.plugins.gtk.merge import MergeDialog
        dialog = MergeDialog(tree, path)
        dialog.display()
        gtk.main()

    def get_background_items(self, window, vfs_file):
        items = []
        file = vfs_file.get_uri()

        try:
            tree, path = WorkingTree.open_containing(file)
            disabled_flag = self.check_branch_enabled(tree.branch)
        except UnsupportedProtocol:
            return
        except NotBranchError:
            disabled_flag = self.check_branch_enabled()
            item = nautilus.MenuItem('BzrNautilus::newtree',
                                 'Make directory versioned',
                                 'Create new Bazaar tree in this folder')
            item.connect('activate', self.newtree_cb, vfs_file)
            items.append(item)

            item = nautilus.MenuItem('BzrNautilus::clone',
                                 'Checkout Bazaar branch',
                                 'Checkout Existing Bazaar Branch')
            item.connect('activate', self.clone_cb, vfs_file)
            items.append(item)

            return items
        except NoWorkingTree:
            return
        
        if disabled_flag == 'False':
            item = nautilus.MenuItem('BzrNautilus::enable',
                                     'Enable Bazaar Plugin for this Branch',
                                     'Enable Bazaar plugin for nautilus')
            item.connect('activate', self.toggle_integration, 'True', vfs_file)
            return item,
        else:
            item = nautilus.MenuItem('BzrNautilus::disable',
                                      'Disable Bazaar Plugin for the Branch',
                                      'Disable Bazaar plugin for nautilus')
            item.connect('activate', self.toggle_integration, 'False', vfs_file)
            items.append(item)

        item = nautilus.MenuItem('BzrNautilus::log',
                             'Log',
                             'Show Bazaar history')
        item.connect('activate', self.log_cb, vfs_file)
        items.append(item)

        item = nautilus.MenuItem('BzrNautilus::pull',
                             'Pull',
                             'Pull from another branch')
        item.connect('activate', self.pull_cb, vfs_file)
        items.append(item)

        item = nautilus.MenuItem('BzrNautilus::merge',
                             'Merge',
                             'Merge from another branch')
        item.connect('activate', self.merge_cb, vfs_file)
        items.append(item)

        item = nautilus.MenuItem('BzrNautilus::commit',
                             'Commit',
                             'Commit Changes')
        item.connect('activate', self.commit_cb, vfs_file)
        items.append(item)

        return items

    def get_file_items(self, window, files):
        items = []
        
        wtfiles = {}
        for vfs_file in files:
            # We can only cope with local files
            if vfs_file.get_uri_scheme() != 'file':
                continue

            file = vfs_file.get_uri()
            try:
                tree, path = WorkingTree.open_containing(file)
                disabled_flag = self.check_branch_enabled(tree.branch)
            except NotBranchError:
                disabled_flag = self.check_branch_enabled()
                if not vfs_file.is_directory():
                    continue

                if disabled_flag == 'False':
                    return

                item = nautilus.MenuItem('BzrNautilus::newtree',
                                     'Make directory versioned',
                                     'Create new Bazaar tree in %s' % vfs_file.get_name())
                item.connect('activate', self.newtree_cb, vfs_file)
                return item,
            except NoWorkingTree:
                continue
            # Refresh the list of filestatuses in the working tree
            if path not in wtfiles.keys():
                tree.lock_read()
                for rpath, file_class, kind, id, entry in tree.list_files():
                    wtfiles[rpath] = file_class
                tree.unlock()
                wtfiles[u''] = 'V'

            if wtfiles[path] == '?':
                item = nautilus.MenuItem('BzrNautilus::add',
                                     'Add',
                                     'Add as versioned file')
                item.connect('activate', self.add_cb, vfs_file)
                items.append(item)

                item = nautilus.MenuItem('BzrNautilus::ignore',
                                     'Ignore',
                                     'Ignore file for versioning')
                item.connect('activate', self.ignore_cb, vfs_file)
                items.append(item)
            elif wtfiles[path] == 'I':
                item = nautilus.MenuItem('BzrNautilus::unignore',
                                     'Unignore',
                                     'Unignore file for versioning')
                item.connect('activate', self.unignore_cb, vfs_file)
                items.append(item)
            elif wtfiles[path] == 'V':
                item = nautilus.MenuItem('BzrNautilus::log',
                                 'Log',
                                 'List changes')
                item.connect('activate', self.log_cb, vfs_file)
                items.append(item)

                item = nautilus.MenuItem('BzrNautilus::diff',
                                 'Diff',
                                 'Show differences')
                item.connect('activate', self.diff_cb, vfs_file)
                items.append(item)

                item = nautilus.MenuItem('BzrNautilus::remove',
                                     'Remove',
                                     'Remove this file from versioning')
                item.connect('activate', self.remove_cb, vfs_file)
                items.append(item)

                item = nautilus.MenuItem('BzrNautilus::annotate',
                             'Annotate',
                             'Annotate File Data')
                item.connect('activate', self.annotate_cb, vfs_file)
                items.append(item)

                item = nautilus.MenuItem('BzrNautilus::commit',
                             'Commit',
                             'Commit Changes')
                item.connect('activate', self.commit_cb, vfs_file)
                items.append(item)

        return items

    def get_columns(self):
        return nautilus.Column("BzrNautilus::bzr_status",
                               "bzr_status",
                               "Bzr Status",
                               "Version control status"),

    def update_file_info(self, file):

        if file.get_uri_scheme() != 'file':
            return
        
        try:
            tree, path = WorkingTree.open_containing(file.get_uri())
        except NotBranchError:
            return
        except NoWorkingTree:
            return   

        disabled_flag = self.check_branch_enabled(tree.branch)
        if disabled_flag == 'False':
            return

        emblem = None
        status = None

        if tree.has_filename(path):
            emblem = 'bzr-controlled'
            status = 'unchanged'
            id = tree.path2id(path)

            delta = tree.changes_from(tree.branch.basis_tree())
            if delta.touches_file_id(id):
                emblem = 'bzr-modified'
                status = 'modified'
            for f, _, _ in delta.added:
                if f == path:
                    emblem = 'bzr-added'
                    status = 'added'

            for of, f, _, _, _, _ in delta.renamed:
                if f == path:
                    status = 'renamed from %s' % f

        elif tree.branch.basis_tree().has_filename(path):
            emblem = 'bzr-removed'
            status = 'removed'
        else:
            # FIXME: Check for ignored files
            status = 'unversioned'
        
        if emblem is not None:
            file.add_emblem(emblem)
        file.add_string_attribute('bzr_status', status)

    def check_branch_enabled(self, branch=None):
        # Supports global disable, but there is currently no UI to do this
        config = GlobalConfig()
        disabled_flag = config.get_user_option('nautilus_integration')
        if disabled_flag != 'False':
            if branch is not None:
                config = branch.get_config()
                disabled_flag = config.get_user_option('nautilus_integration')
        return disabled_flag

    def toggle_integration(self, menu, action, vfs_file=None):
        try:
            tree, path = WorkingTree.open_containing(vfs_file.get_uri())
        except NotBranchError:
            return
        except NoWorkingTree:
            return
        branch = tree.branch
        if branch is None:
            config = GlobalConfig()
        else:
            config = branch.get_config()
        config.set_user_option('nautilus_integration', action)