/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 pango

import gobject

import webbrowser

from bzrlib import trace

from bzrlib.osutils import format_date

try:

    from bzrlib.bencode import bdecode

except ImportError:

    from bzrlib.util.bencode import bdecode

from bzrlib.testament import Testament

from bzrlib.plugins.gtk import icon_path

from bzrlib.plugins.gtk.avatarsbox import AvatarsBox

try:

    from bzrlib.plugins.gtk import seahorse

except ImportError:

    has_seahorse = False

else:

    has_seahorse = True

PAGE_GENERAL = 0

PAGE_RELATIONS = 1

PAGE_SIGNATURE = 2

PAGE_BUGS = 3

def _open_link(widget, uri):

    for cmd in ['sensible-browser', 'xdg-open']:

        if webbrowser._iscommand(cmd):

            webbrowser._tryorder.insert(0, '%s "%%s"' % cmd)

    webbrowser.open(uri)

if getattr(gtk, 'link_button_set_uri_hook', None) is not None:

    # Not available before PyGtk-2.10

    gtk.link_button_set_uri_hook(_open_link)

class BugsTab(gtk.VBox):

    def __init__(self):

        super(BugsTab, self).__init__(False, 6)

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

        table.set_row_spacings(6)

        table.set_col_spacing(0, 16)

        image = gtk.Image()

        image.set_from_file(icon_path("bug.png"))

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

        align = gtk.Alignment(0.0, 0.1)

        self.label = gtk.Label()

        align.add(self.label)

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

        treeview = self.construct_treeview()

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

        self.set_border_width(6)

        self.pack_start(table, expand=False)

        self.clear()

        self.show_all()

    def set_revision(self, revision):

        if revision is None:

            return

        self.clear()

        bugs_text = revision.properties.get('bugs', '')

        for bugline in bugs_text.splitlines():

                (url, status) = bugline.split(" ")

                if status == "fixed":

                    self.add_bug(url, status)

        if self.num_bugs == 0:

            return

        elif self.num_bugs == 1:

            label = "bug"

        else:

            label = "bugs"

        self.label.set_markup("<b>Bugs fixed</b>\n" +

                              "This revision claims to fix " +

                              "%d %s." % (self.num_bugs, label))

    def construct_treeview(self):

        self.bugs = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING)

        self.treeview = gtk.TreeView(self.bugs)

        self.treeview.set_headers_visible(False)

        uri_column = gtk.TreeViewColumn('Bug URI', gtk.CellRendererText(), text=0)

        self.treeview.append_column(uri_column)

        self.treeview.connect('row-activated', self.on_row_activated)

        win = gtk.ScrolledWindow()

        win.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)

        win.set_shadow_type(gtk.SHADOW_IN)

        win.add(self.treeview)

        return win

    def clear(self):

        self.num_bugs = 0

        self.bugs.clear()

        self.set_sensitive(False)

        self.label.set_markup("<b>No bugs fixed</b>\n" +

                              "This revision does not claim to fix any bugs.")

    def add_bug(self, url, status):

        self.num_bugs += 1

        self.bugs.append([url, status])

        self.set_sensitive(True)

    def get_num_bugs(self):

        return self.num_bugs

    def on_row_activated(self, treeview, path, column):

        uri = self.bugs.get_value(self.bugs.get_iter(path), 0)

        _open_link(self, uri)

class SignatureTab(gtk.VBox):

    def __init__(self, repository):

        self.key = None

        self.revision = None

        self.repository = repository

        super(SignatureTab, self).__init__(False, 6)

        signature_box = gtk.Table(rows=3, columns=3)

        signature_box.set_col_spacing(0, 16)

        signature_box.set_col_spacing(1, 12)

        signature_box.set_row_spacings(6)

        self.signature_image = gtk.Image()

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

        align = gtk.Alignment(0.0, 0.1)

        self.signature_label = gtk.Label()

        align.add(self.signature_label)

        signature_box.attach(align, 1, 3, 0, 1, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)

        self.signature_key_id_label = gtk.Label()

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

        align.add(self.signature_key_id_label)

        signature_box.attach(align, 1, 2, 1, 2, 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_box.attach(align, 2, 3, 1, 2, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)

        self.signature_fingerprint_label = gtk.Label()

        self.signature_fingerprint_label.set_markup("<b>Fingerprint:</b>")

        align.add(self.signature_fingerprint_label)

        signature_box.attach(align, 1, 2, 2, 3, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)

        self.signature_fingerprint = gtk.Label()

        self.signature_fingerprint.set_selectable(True)

        align.add(self.signature_fingerprint)

        signature_box.attach(align, 2, 3, 2, 3, gtk.EXPAND | gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)

        self.signature_trust_label = gtk.Label()

        self.signature_trust_label.set_markup("<b>Trust:</b>")

        align.add(self.signature_trust_label)

        signature_box.attach(align, 1, 2, 3, 4, gtk.FILL, gtk.FILL)

        align = gtk.Alignment(0.0, 0.5)

        self.signature_trust = gtk.Label()

        self.signature_trust.set_selectable(True)

        align.add(self.signature_trust)

        signature_box.attach(align, 2, 3, 3, 4, gtk.EXPAND | gtk.FILL, gtk.FILL)

        self.set_border_width(6)

        self.pack_start(signature_box, expand=False)

        self.show_all()

    def set_revision(self, revision):

        self.revision = revision

        revid = revision.revision_id

        if self.repository.has_signature_for_revision_id(revid):

            crypttext = self.repository.get_signature_text(revid)

            self.show_signature(crypttext)

        else:

            self.show_no_signature()

    def show_no_signature(self):

        self.signature_key_id_label.hide()

        self.signature_key_id.set_text("")

        self.signature_fingerprint_label.hide()

        self.signature_fingerprint.set_text("")

        self.signature_trust_label.hide()

        self.signature_trust.set_text("")

        self.signature_image.set_from_file(icon_path("sign-unknown.png"))

        self.signature_label.set_markup("<b>Authenticity unknown</b>\n" +

                                        "This revision has not been signed.")

    def show_signature(self, crypttext):

        (cleartext, key) = seahorse.verify(crypttext)

        assert cleartext is not None

        inv = self.repository.get_inventory(self.revision.revision_id)

        expected_testament = Testament(self.revision, inv).as_short_text()

        if expected_testament != cleartext:

            self.signature_image.set_from_file(icon_path("sign-bad.png"))

            self.signature_label.set_markup("<b>Signature does not match repository data</b>\n" +

                        "The signature plaintext is different from the expected testament plaintext.")

            return

        if key and key.is_available():

            if key.is_trusted():

                if key.get_display_name() == self.revision.committer:

                    self.signature_image.set_from_file(icon_path("sign-ok.png"))

                    self.signature_label.set_markup("<b>Authenticity confirmed</b>\n" +

                                                    "This revision has been signed with " +

                                                    "a trusted key.")

                else:

                    self.signature_image.set_from_file(icon_path("sign-bad.png"))

                    self.signature_label.set_markup("<b>Authenticity cannot be confirmed</b>\n" +

                                                    "Revision committer is not the same as signer.")

            else:

                self.signature_image.set_from_file(icon_path("sign-bad.png"))

                self.signature_label.set_markup("<b>Authenticity cannot be confirmed</b>\n" +

                                                "This revision has been signed, but the " +

                                                "key is not trusted.")

        else:

            self.show_no_signature()

            self.signature_image.set_from_file(icon_path("sign-bad.png"))

            self.signature_label.set_markup("<b>Authenticity cannot be confirmed</b>\n" +

                                            "Signature key not available.")

            return

        trust = key.get_trust()

        if trust <= seahorse.TRUST_NEVER:

            trust_text = 'never trusted'

        elif trust == seahorse.TRUST_UNKNOWN:

            trust_text = 'not trusted'

        elif trust == seahorse.TRUST_MARGINAL:

            trust_text = 'marginally trusted'

        elif trust == seahorse.TRUST_FULL:

            trust_text = 'fully trusted'

        elif trust == seahorse.TRUST_ULTIMATE:

            trust_text = 'ultimately trusted'

        self.signature_key_id_label.show()

        self.signature_key_id.set_text(key.get_id())

        fingerprint = key.get_fingerprint()

        if fingerprint == "":

            fingerprint = '<span foreground="dim grey">N/A</span>'

        self.signature_fingerprint_label.show()

        self.signature_fingerprint.set_markup(fingerprint)

        self.signature_trust_label.show()

        self.signature_trust.set_text('This key is ' + trust_text)

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, repository=None):

        gtk.Notebook.__init__(self)

        self._revision = None

        self._branch = branch

        if branch is not None:

            self._repository = branch.repository

        else:

            self._repository = repository

        self._create_general()

        self._create_relations()

        # Disabled because testaments aren't verified yet:

        if has_seahorse:

            self._create_signature()

        self._create_file_info_view()

        self._create_bugs()

        self.set_current_page(PAGE_GENERAL)

        self.connect_after('switch-page', self._switch_page_cb)

        self._show_callback = None

        self._clicked_callback = None

        self._revision = None

        self._branch = branch

        self.update_tags()

        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_revision(self, revision):

        if revision is None: return

        self.avatarsbox.reset()

        self._revision = revision

        if revision.committer is not None:

            self.committer.set_text(revision.committer)

            self.avatarsbox.add(revision.committer, "committer")

        else:

            self.committer.set_text("")

            self.avatarsbox.hide()

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

        self.avatarsbox.merge(revision.get_apparent_authors(), "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.show()

            self.branchnick_label.show()

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

        except KeyError:

            self.branchnick.hide()

            self.branchnick_label.hide()

        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:

            try:

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

            except ValueError:

                trace.note('Invalid per-file info for revision:%s, value: %r',

                           revision.revision_id, file_info)

                file_info = None

        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 update_tags(self):

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

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

        else:

            self._tagdict = {}

        self._add_tags()

    def _update_signature(self, widget, param):

        if self.get_current_page() == PAGE_SIGNATURE:

            self.signature_table.set_revision(self._revision)

    def _update_bugs(self, widget, param):

        self.bugs_page.set_revision(self._revision)

        label = self.get_tab_label(self.bugs_page)

        label.set_sensitive(self.bugs_page.get_num_bugs() != 0)

    def set_children(self, children):

        self._add_parents_or_children(children,

                                      self.children_widgets,

                                      self.children_table)

    def _switch_page_cb(self, notebook, page, page_num):

        if page_num == PAGE_SIGNATURE:

            self.signature_table.set_revision(self._revision)

    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._revision is None:

            return

        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, 1, 1)

            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_label = gtk.Label(str(revid))

            revid_label.set_ellipsize(pango.ELLIPSIZE_MIDDLE)

            revid_label.set_alignment(0.0, 0.5)

            button.add(revid_label)

            button.connect("clicked",

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

            button.set_use_underline(False)

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

            button.show_all()

    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):

        self.signature_table = SignatureTab(self._repository)

        self.append_page(self.signature_table, tab_label=gtk.Label('Signature'))

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