/b-gtk/fix-viz

# Copyright (C) 2005 Dan Loda <danloda@gmail.com>

# Copyright (C) 2007 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

import pygtk

pygtk.require("2.0")

import gtk

import gobject

import pango

from gpg import GPGSubprocess

from bzrlib.osutils import format_date

from bzrlib.util.bencode import bdecode

gpg = GPGSubprocess()

class RevisionView(gtk.Notebook):

    """ Custom widget for commit log details.

    A variety of bzr tools may need to implement such a thing. This is a

    start.

    """

    __gproperties__ = {

        'branch': (

            gobject.TYPE_PYOBJECT,

            'Branch',

            'The branch holding the revision being displayed',

            gobject.PARAM_CONSTRUCT_ONLY | gobject.PARAM_WRITABLE

        ),

        'revision': (

            gobject.TYPE_PYOBJECT,

            'Revision',

            'The revision being displayed',

            gobject.PARAM_READWRITE

        ),

        'children': (

            gobject.TYPE_PYOBJECT,

            'Children',

            'Child revisions',

            gobject.PARAM_READWRITE

        ),

        'file-id': (

            gobject.TYPE_PYOBJECT,

            'File Id',

            'The file id',

            gobject.PARAM_READWRITE

        )

    }

    def __init__(self, branch=None):

        gtk.Notebook.__init__(self)

        self._create_general()

        self._create_relations()

        self._create_signature()

        self._create_file_info_view()

        self.set_current_page(0)

        self._show_callback = None

        self._clicked_callback = None

        self._revision = None

        self._branch = branch

        self._repository = branch.repository

        if self._branch is not None and self._branch.supports_tags():

            self._tagdict = self._branch.tags.get_reverse_tag_dict()

        else:

            self._tagdict = {}

        self.set_file_id(None)

    def do_get_property(self, property):

        if property.name == 'branch':

            return self._branch

        elif property.name == 'revision':

            return self._revision

        elif property.name == 'children':

            return self._children

        elif property.name == 'file-id':

            return self._file_id

        else:

            raise AttributeError, 'unknown property %s' % property.name

    def do_set_property(self, property, value):

        if property.name == 'branch':

            self._branch = value

        elif property.name == 'revision':

            self._set_revision(value)

        elif property.name == 'children':

            self.set_children(value)

        elif property.name == 'file-id':

            self._file_id = value

        else:

            raise AttributeError, 'unknown property %s' % property.name

    def set_show_callback(self, callback):

        self._show_callback = callback

    def set_file_id(self, file_id):

        """Set a specific file id that we want to track.

        This just effects the display of a per-file commit message.

        If it is set to None, then all commit messages will be shown.

        """

        self.set_property('file-id', file_id)

    def set_revision(self, revision):

        if revision != self._revision:

            self.set_property('revision', revision)

    def get_revision(self):

        return self.get_property('revision')

    def set_children(self, children):

        self._add_parents_or_children(children,

                                      self.children_widgets,

                                      self.children_table)

    def _set_revision(self, revision):

        if revision is None: return

        self._revision = revision

        if revision.committer is not None:

            self.committer.set_text(revision.committer)

        else:

            self.committer.set_text("")

        author = revision.properties.get('author', '')

        if author != '':

            self.author.set_text(author)

            self.author.show()

            self.author_label.show()

        else:

            self.author.hide()

            self.author_label.hide()

        if revision.timestamp is not None:

            self.timestamp.set_text(format_date(revision.timestamp,

                                                revision.timezone))

        try:

            self.branchnick_label.set_text(revision.properties['branch-nick'])

        except KeyError:

            self.branchnick_label.set_text("")

        self._add_parents_or_children(revision.parent_ids,

                                      self.parents_widgets,

                                      self.parents_table)

        file_info = revision.properties.get('file-info', None)

        if file_info is not None:

            file_info = bdecode(file_info.encode('UTF-8'))

        if file_info:

            if self._file_id is None:

                text = []

                for fi in file_info:

                    text.append('%(path)s\n%(message)s' % fi)

                self.file_info_buffer.set_text('\n'.join(text))

                self.file_info_box.show()

            else:

                text = []

                for fi in file_info:

                    if fi['file_id'] == self._file_id:

                        text.append(fi['message'])

                if text:

                    self.file_info_buffer.set_text('\n'.join(text))

                    self.file_info_box.show()

                else:

                    self.file_info_box.hide()

        else:

            self.file_info_box.hide()

    def _show_clicked_cb(self, widget, revid, parentid):

        """Callback for when the show button for a parent is clicked."""

        self._show_callback(revid, parentid)

    def _go_clicked_cb(self, widget, revid):

        """Callback for when the go button for a parent is clicked."""

    def _add_tags(self, *args):

        if self._tagdict.has_key(self._revision.revision_id):

            tags = self._tagdict[self._revision.revision_id]

        else:

            tags = []

        if tags == []:

            self.tags_list.hide()

            self.tags_label.hide()

            return

        self.tags_list.set_text(", ".join(tags))

        self.tags_list.show_all()

        self.tags_label.show_all()

    def _add_parents_or_children(self, revids, widgets, table):

        while len(widgets) > 0:

            widget = widgets.pop()

            table.remove(widget)

        table.resize(max(len(revids), 1), 2)

        for idx, revid in enumerate(revids):

            align = gtk.Alignment(0.0, 0.0)

            widgets.append(align)

            table.attach(align, 1, 2, idx, idx + 1,

                                      gtk.EXPAND | gtk.FILL, gtk.FILL)

            align.show()

            hbox = gtk.HBox(False, spacing=6)

            align.add(hbox)

            hbox.show()

            image = gtk.Image()

            image.set_from_stock(

                gtk.STOCK_FIND, gtk.ICON_SIZE_SMALL_TOOLBAR)

            image.show()

            if self._show_callback is not None:

                button = gtk.Button()

                button.add(image)

                button.connect("clicked", self._show_clicked_cb,

                               self._revision.revision_id, revid)

                hbox.pack_start(button, expand=False, fill=True)

                button.show()

            button = gtk.Button(revid)

            button.connect("clicked",

                    lambda w, r: self.set_revision(self._branch.repository.get_revision(r)), revid)

            button.set_use_underline(False)

            hbox.pack_start(button, expand=False, fill=True)

            button.show()

    def _create_general(self):

        vbox = gtk.VBox(False, 6)

        vbox.set_border_width(6)

        vbox.pack_start(self._create_headers(), expand=False, fill=True)

        vbox.pack_start(self._create_message_view())

        self.append_page(vbox, tab_label=gtk.Label("General"))

        vbox.show()

    def _create_relations(self):

        vbox = gtk.VBox(False, 6)

        vbox.set_border_width(6)

        vbox.pack_start(self._create_parents(), expand=False, fill=True)

        vbox.pack_start(self._create_children(), expand=False, fill=True)

        self.append_page(vbox, tab_label=gtk.Label("Relations"))

        vbox.show()

    def _create_signature(self):

        signature_box = gtk.Table(rows=1, columns=2)

        signature_box.set_col_spacing(0, 12)

        self.signature_image = gtk.Image()

        signature_box.attach(self.signature_image, 0, 1, 0, 1, gtk.FILL)

        self.signature_label = gtk.Label()

        signature_box.attach(self.signature_label, 1, 2, 0, 1, gtk.FILL)

        signature_info = gtk.Table(rows=1, columns=2)

        signature_info.set_row_spacings(6)

        signature_info.set_col_spacings(6)

        align = gtk.Alignment(1.0, 0.5)

        label = gtk.Label()

        label.set_markup("<b>Key Id:</b>")

        align.add(label)

        signature_info.attach(align, 0, 1, 0, 1, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)

        self.signature_key_id = gtk.Label()

        self.signature_key_id.set_selectable(True)

        align.add(self.signature_key_id)

        signature_info.attach(align, 1, 2, 0, 1, gtk.EXPAND | gtk.FILL, gtk.FILL)

        box = gtk.VBox(False, 6)

        box.set_border_width(6)

        box.pack_start(signature_box, expand=False)

        box.pack_start(signature_info, expand=False)

        box.show_all()

        self.append_page(box, tab_label=gtk.Label("Signature"))

        self.connect_after('notify::revision', self._update_signature)

    def _create_headers(self):

        self.table = gtk.Table(rows=5, columns=2)

        self.table.set_row_spacings(6)

        self.table.set_col_spacings(6)

        self.table.show()

        align = gtk.Alignment(1.0, 0.5)

        label = gtk.Label()

        label.set_markup("<b>Revision Id:</b>")

        align.add(label)

        self.table.attach(align, 0, 1, 0, 1, gtk.FILL, gtk.FILL)

        align.show()

        label.show()

        align = gtk.Alignment(0.0, 0.5)

        revision_id = gtk.Label()

        revision_id.set_selectable(True)

        self.connect('notify::revision', 

                lambda w, p: revision_id.set_text(self._revision.revision_id))

        align.add(revision_id)

        self.table.attach(align, 1, 2, 0, 1, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align.show()

        revision_id.show()

        align = gtk.Alignment(1.0, 0.5)

        self.author_label = gtk.Label()

        self.author_label.set_markup("<b>Author:</b>")

        align.add(self.author_label)

        self.table.attach(align, 0, 1, 1, 2, gtk.FILL, gtk.FILL)

        align.show()

        self.author_label.show()

        align = gtk.Alignment(0.0, 0.5)

        self.author = gtk.Label()

        self.author.set_selectable(True)

        align.add(self.author)

        self.table.attach(align, 1, 2, 1, 2, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align.show()

        self.author.show()

        self.author.hide()

        align = gtk.Alignment(1.0, 0.5)

        label = gtk.Label()

        label.set_markup("<b>Committer:</b>")

        align.add(label)

        self.table.attach(align, 0, 1, 2, 3, gtk.FILL, gtk.FILL)

        align.show()

        label.show()

        align = gtk.Alignment(0.0, 0.5)

        self.committer = gtk.Label()

        self.committer.set_selectable(True)

        align.add(self.committer)

        self.table.attach(align, 1, 2, 2, 3, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align.show()

        self.committer.show()

        align = gtk.Alignment(0.0, 0.5)

        label = gtk.Label()

        label.set_markup("<b>Branch nick:</b>")

        align.add(label)

        self.table.attach(align, 0, 1, 3, 4, gtk.FILL, gtk.FILL)

        label.show()

        align.show()

        align = gtk.Alignment(0.0, 0.5)

        self.branchnick_label = gtk.Label()

        self.branchnick_label.set_selectable(True)

        align.add(self.branchnick_label)

        self.table.attach(align, 1, 2, 3, 4, gtk.EXPAND | gtk.FILL, gtk.FILL)

        self.branchnick_label.show()

        align.show()

        align = gtk.Alignment(1.0, 0.5)

        label = gtk.Label()

        label.set_markup("<b>Timestamp:</b>")

        align.add(label)

        self.table.attach(align, 0, 1, 4, 5, gtk.FILL, gtk.FILL)

        align.show()

        label.show()

        align = gtk.Alignment(0.0, 0.5)

        self.timestamp = gtk.Label()

        self.timestamp.set_selectable(True)

        align.add(self.timestamp)

        self.table.attach(align, 1, 2, 4, 5, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align.show()

        self.timestamp.show()

        align = gtk.Alignment(1.0, 0.5)

        self.tags_label = gtk.Label()

        self.tags_label.set_markup("<b>Tags:</b>")

        align.add(self.tags_label)

        align.show()

        self.table.attach(align, 0, 1, 5, 6, gtk.FILL, gtk.FILL)

        self.tags_label.show()

        align = gtk.Alignment(0.0, 0.5)

        self.tags_list = gtk.Label()

        align.add(self.tags_list)

        self.table.attach(align, 1, 2, 5, 6, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align.show()

        self.tags_list.show()

        self.connect('notify::revision', self._add_tags)

        return self.table

    def _create_parents(self):

        hbox = gtk.HBox(True, 3)

        self.parents_table = self._create_parents_or_children_table(

            "<b>Parents:</b>")

        self.parents_widgets = []

        hbox.pack_start(self.parents_table)

        hbox.show()

        return hbox

    def _create_children(self):

        hbox = gtk.HBox(True, 3)

        self.children_table = self._create_parents_or_children_table(

            "<b>Children:</b>")

        self.children_widgets = []

        hbox.pack_start(self.children_table)

        hbox.show()

        return hbox

    def _create_parents_or_children_table(self, text):

        table = gtk.Table(rows=1, columns=2)

        table.set_row_spacings(3)

        table.set_col_spacings(6)

        table.show()

        label = gtk.Label()

        label.set_markup(text)

        align = gtk.Alignment(0.0, 0.5)

        align.add(label)

        table.attach(align, 0, 1, 0, 1, gtk.FILL, gtk.FILL)

        label.show()

        align.show()

        return table

    def _create_message_view(self):

        msg_buffer = gtk.TextBuffer()

        self.connect('notify::revision',

                lambda w, p: msg_buffer.set_text(self._revision.message))

        window = gtk.ScrolledWindow()

        window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)

        window.set_shadow_type(gtk.SHADOW_IN)

        tv = gtk.TextView(msg_buffer)

        tv.set_editable(False)

        tv.set_wrap_mode(gtk.WRAP_WORD)

        tv.modify_font(pango.FontDescription("Monospace"))

        tv.show()

        window.add(tv)

        window.show()

        return window

    def _create_file_info_view(self):

        self.file_info_box = gtk.VBox(False, 6)

        self.file_info_box.set_border_width(6)

        self.file_info_buffer = gtk.TextBuffer()

        window = gtk.ScrolledWindow()

        window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)

        window.set_shadow_type(gtk.SHADOW_IN)

        tv = gtk.TextView(self.file_info_buffer)

        tv.set_editable(False)

        tv.set_wrap_mode(gtk.WRAP_WORD)

        tv.modify_font(pango.FontDescription("Monospace"))

        tv.show()

        window.add(tv)

        window.show()

        self.file_info_box.pack_start(window)

        self.file_info_box.hide() # Only shown when there are per-file messages

        self.append_page(self.file_info_box, tab_label=gtk.Label('Per-file'))

    def _update_signature(self, widget, param):

        revid = self._revision.revision_id

        if self._repository.has_signature_for_revision_id(revid):

            signature_text = self._repository.get_signature_text(revid)

            signature = gpg.verify(signature_text)

            if signature.key_id is not None:

                self.signature_key_id.set_text(signature.key_id)

            if signature.is_valid():

                self.signature_image.set_from_file("icons/sign-ok.png")

                self.signature_label.set_text("This revision has been signed.")

            else:

                self.signature_image.set_from_file("icons/sign-bad.png")

                self.signature_label.set_text("This revision has been signed, " + 

                        "but the authenticity of the signature cannot be verified.")

        else:

            self.signature_key_id.set_text("")

            self.signature_image.set_from_file("icons/sign-unknown.png")

            self.signature_label.set_text("This revision has not been signed.")