/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

from bzrlib.osutils import format_date

class LogView(gtk.ScrolledWindow):

    """ Custom widget for commit log details.

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

    start.

    """

    def __init__(self, revision=None, scroll=True, tags=[],

                 show_children=False):

        super(LogView, self).__init__()

        if scroll:

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

        else:

            self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_NEVER)

        self.set_shadow_type(gtk.SHADOW_NONE)

        self.show_children = show_children

        self._create()

        self._show_callback = None

        self._go_callback = None

        self._clicked_callback = None

        if revision is not None:

            self.set_revision(revision, tags=tags)

    def set_show_callback(self, callback):

        self._show_callback = callback

    def set_go_callback(self, callback):

        self._go_callback = callback

    def set_revision(self, revision, tags=[], children=[]):

        self._revision = revision

        self.revision_id.set_text(revision.revision_id)

        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))

        self.message_buffer.set_text(revision.message)

        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)

        if self.show_children:

            self._add_parents_or_children(children,

                                          self.children_widgets,

                                          self.children_table)

        self._add_tags(tags)

    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."""

        self._go_callback(revid)

    def _add_tags(self, tags):

        if tags == []:

            self.tags_list.hide()

            self.tags_label.hide()

            return

        for widget in self.tags_widgets:

            self.tags_list.remove(widget)

        self.tags_widgets = []

        for tag in tags:

            widget = gtk.Label(tag)

            widget.set_selectable(True)

            self.tags_widgets.append(widget)

            self.tags_list.add(widget)

        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()

            if self._go_callback is not None:

                button = gtk.Button(revid)

                button.connect("clicked", self._go_clicked_cb, revid)

            else:

                button = gtk.Label(revid)

            button.set_use_underline(False)

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

            button.show()

    def _create(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_parents_and_children(), expand=False, fill=True)

        vbox.pack_start(self._create_message_view())

        self.add_with_viewport(vbox)

        vbox.show()

    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)

        self.revision_id = gtk.Label()

        self.revision_id.set_selectable(True)

        align.add(self.revision_id)

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

        align.show()

        self.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.VBox()

        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.tags_widgets = []

        return self.table

    def _create_parents_and_children(self):

        hbox = gtk.HBox(True, 6)

        self.parents_table = self._create_parents_or_children_table(

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

        self.parents_widgets = []

        hbox.pack_start(self.parents_table)

        if self.show_children:

            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):

        self.message_buffer = gtk.TextBuffer()

        tv = gtk.TextView(self.message_buffer)

        tv.set_editable(False)

        tv.set_wrap_mode(gtk.WRAP_WORD)

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

        tv.show()

        return tv