/b-gtk/fix-viz

# Copyright (C) 2006 by Szilveszter Farkas (Phanatic) <szilveszter.farkas@gmail.com>

#

# 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

try:

    import pygtk

    pygtk.require("2.0")

except:

    pass

import gtk

import gobject

import pango

import os.path

from bzrlib import errors, osutils

from bzrlib.trace import mutter

from dialog import error_dialog, question_dialog

from errors import show_bzr_error

try:

    import dbus

    import dbus.glib

    have_dbus = True

except ImportError:

    have_dbus = False

class CommitDialog(gtk.Dialog):

    """ New implementation of the Commit dialog. """

    def __init__(self, wt, wtpath, notbranch, selected=None, parent=None):

        """ Initialize the Commit Dialog. """

        gtk.Dialog.__init__(self, title="Commit - Olive",

                                  parent=parent,

                                  flags=0,

                                  buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL))

        # Get arguments

        self.wt = wt

        self.wtpath = wtpath

        self.notbranch = notbranch

        self.selected = selected

        # Set the delta

        self.old_tree = self.wt.branch.repository.revision_tree(self.wt.branch.last_revision())

        self.delta = self.wt.changes_from(self.old_tree)

        # Get pending merges

        self.pending = self._pending_merges(self.wt)

        # Do some preliminary checks

        self._is_checkout = False

        self._is_pending = False

        if self.wt is None and not self.notbranch:

            error_dialog(_('Directory does not have a working tree'),

                         _('Operation aborted.'))

            self.close()

            return

        if self.notbranch:

            error_dialog(_('Directory is not a branch'),

                         _('You can perform this action only in a branch.'))

            self.close()

            return

        else:

            if self.wt.branch.get_bound_location() is not None:

                # we have a checkout, so the local commit checkbox must appear

                self._is_checkout = True

            if self.pending:

                # There are pending merges, file selection not supported

                self._is_pending = True

        # Create the widgets

        # This is the main horizontal box, which is used to separate the commit

        # info from the diff window.

        self._hpane = gtk.HPaned()

        self._button_commit = gtk.Button(_("Comm_it"), use_underline=True)

        self._expander_files = gtk.Expander(_("File(s) to commit"))

        self._vpaned_main = gtk.VPaned()

        self._scrolledwindow_files = gtk.ScrolledWindow()

        self._scrolledwindow_message = gtk.ScrolledWindow()

        self._treeview_files = gtk.TreeView()

        self._vbox_message = gtk.VBox()

        self._label_message = gtk.Label(_("Commit message:"))

        self._textview_message = gtk.TextView()

        if self._is_pending:

            self._expander_merges = gtk.Expander(_("Pending merges"))

            self._vpaned_list = gtk.VPaned()

            self._scrolledwindow_merges = gtk.ScrolledWindow()

            self._treeview_merges = gtk.TreeView()

        # Set callbacks

        self._button_commit.connect('clicked', self._on_commit_clicked)

        self._treeview_files.connect('cursor-changed', self._on_treeview_files_cursor_changed)

        self._treeview_files.connect('row-activated', self._on_treeview_files_row_activated)

        # Set properties

        self._scrolledwindow_files.set_policy(gtk.POLICY_AUTOMATIC,

                                              gtk.POLICY_AUTOMATIC)

        self._scrolledwindow_message.set_policy(gtk.POLICY_AUTOMATIC,

                                                gtk.POLICY_AUTOMATIC)

        self._textview_message.modify_font(pango.FontDescription("Monospace"))

        self.set_default_size(500, 500)

        self._vpaned_main.set_position(200)

        self._button_commit.set_flags(gtk.CAN_DEFAULT)

        if self._is_pending:

            self._scrolledwindow_merges.set_policy(gtk.POLICY_AUTOMATIC,

                                                   gtk.POLICY_AUTOMATIC)

            self._treeview_files.set_sensitive(False)

        # Construct the dialog

        self.action_area.pack_end(self._button_commit)

        self._scrolledwindow_files.add(self._treeview_files)

        self._scrolledwindow_message.add(self._textview_message)

        self._expander_files.add(self._scrolledwindow_files)

        self._vbox_message.pack_start(self._label_message, False, False)

        self._vbox_message.pack_start(self._scrolledwindow_message, True, True)

        if self._is_pending:        

            self._expander_merges.add(self._scrolledwindow_merges)

            self._scrolledwindow_merges.add(self._treeview_merges)

            self._vpaned_list.add1(self._expander_files)

            self._vpaned_list.add2(self._expander_merges)

            self._vpaned_main.add1(self._vpaned_list)

        else:

            self._vpaned_main.add1(self._expander_files)

        self._vpaned_main.add2(self._vbox_message)

        self._hpane.pack1(self._vpaned_main)

        self.vbox.pack_start(self._hpane, expand=True, fill=True)

        if self._is_checkout: 

            self._check_local = gtk.CheckButton(_("_Only commit locally"),

                                                use_underline=True)

            self.vbox.pack_start(self._check_local, False, False)

            if have_dbus:

                bus = dbus.SystemBus()

                proxy_obj = bus.get_object('org.freedesktop.NetworkManager', 

                              '/org/freedesktop/NetworkManager')

                dbus_iface = dbus.Interface(

                        proxy_obj, 'org.freedesktop.NetworkManager')

                try:

                    # 3 is the enum value for STATE_CONNECTED

                    self._check_local.set_active(dbus_iface.state() != 3)

                except dbus.DBusException, e:

                    # Silently drop errors. While DBus may be 

                    # available, NetworkManager doesn't necessarily have to be

                    mutter("unable to get networkmanager state: %r" % e)

        # Create the file list

        self._create_file_view()

        # Create the pending merges

        self._create_pending_merges()

        self._create_diff_view()

        # Expand the corresponding expander

        if self._is_pending:

            self._expander_merges.set_expanded(True)

        else:

            self._expander_files.set_expanded(True)

        # Display dialog

        self.vbox.show_all()

        # Default to Commit button

        self._button_commit.grab_default()

    def _show_diff_view(self, treeview):

        # FIXME: the diff window freezes for some reason

        treeselection = treeview.get_selection()

        (model, iter) = treeselection.get_selected()

        if iter is not None:

            selected = model.get_value(iter, 3) # Get the real_path attribute

            self._diff_display.show_diff([selected])

    def _on_treeview_files_cursor_changed(self, treeview):

        self._show_diff_view(treeview)

    def _on_treeview_files_row_activated(self, treeview, path, view_column):

        self._show_diff_view(treeview)

    @show_bzr_error

    def _on_commit_clicked(self, button):

        """ Commit button clicked handler. """

        textbuffer = self._textview_message.get_buffer()

        start, end = textbuffer.get_bounds()

        message = textbuffer.get_text(start, end).decode('utf-8')

        if not self.pending:

            specific_files = self._get_specific_files()

        else:

            specific_files = None

        if message == '':

            response = question_dialog(_('Commit with an empty message?'),

                                       _('You can describe your commit intent in the message.'))

            if response == gtk.RESPONSE_NO:

                # Kindly give focus to message area

                self._textview_message.grab_focus()

                return

        if self._is_checkout:

            local = self._check_local.get_active()

        else:

            local = False

        if list(self.wt.unknowns()) != []:

            response = question_dialog(_("Commit with unknowns?"),

               _("Unknown files exist in the working tree. Commit anyway?"))

            if response == gtk.RESPONSE_NO:

                return

        try:

            self.wt.commit(message,

                       allow_pointless=False,

                       strict=False,

                       local=local,

                       specific_files=specific_files)

        except errors.PointlessCommit:

            response = question_dialog(_('Commit with no changes?'),

                                       _('There are no changes in the working tree.'))

            if response == gtk.RESPONSE_YES:

                self.wt.commit(message,

                               allow_pointless=True,

                               strict=False,

                               local=local,

                               specific_files=specific_files)

        self.response(gtk.RESPONSE_OK)

    def _pending_merges(self, wt):

        """ Return a list of pending merges or None if there are none of them. """

        parents = wt.get_parent_ids()

        if len(parents) < 2:

            return None

        import re

        from bzrlib.osutils import format_date

        pending = parents[1:]

        branch = wt.branch

        last_revision = parents[0]

        if last_revision is not None:

            try:

                ignore = set(branch.repository.get_ancestry(last_revision))

            except errors.NoSuchRevision:

                # the last revision is a ghost : assume everything is new 

                # except for it

                ignore = set([None, last_revision])

        else:

            ignore = set([None])

        pm = []

        for merge in pending:

            ignore.add(merge)

            try:

                m_revision = branch.repository.get_revision(merge)

                rev = {}

                rev['committer'] = re.sub('<.*@.*>', '', m_revision.committer).strip(' ')

                rev['summary'] = m_revision.get_summary()

                rev['date'] = format_date(m_revision.timestamp,

                                          m_revision.timezone or 0, 

                                          'original', date_fmt="%Y-%m-%d",

                                          show_offset=False)

                pm.append(rev)

                inner_merges = branch.repository.get_ancestry(merge)

                assert inner_merges[0] is None

                inner_merges.pop(0)

                inner_merges.reverse()

                for mmerge in inner_merges:

                    if mmerge in ignore:

                        continue

                    mm_revision = branch.repository.get_revision(mmerge)

                    rev = {}

                    rev['committer'] = re.sub('<.*@.*>', '', mm_revision.committer).strip(' ')

                    rev['summary'] = mm_revision.get_summary()

                    rev['date'] = format_date(mm_revision.timestamp,

                                              mm_revision.timezone or 0, 

                                              'original', date_fmt="%Y-%m-%d",

                                              show_offset=False)

                    pm.append(rev)

                    ignore.add(mmerge)

            except errors.NoSuchRevision:

                print "DEBUG: NoSuchRevision:", merge

        return pm

    def _create_file_view(self):

        self._file_store = gtk.ListStore(gobject.TYPE_BOOLEAN,   # [0] checkbox

                                         gobject.TYPE_STRING,    # [1] path to display

                                         gobject.TYPE_STRING,    # [2] changes type

                                         gobject.TYPE_STRING)    # [3] real path

        self._treeview_files.set_model(self._file_store)

        crt = gtk.CellRendererToggle()

        crt.set_property("activatable", True)

        crt.connect("toggled", self._toggle_commit, self._file_store)

        self._treeview_files.append_column(gtk.TreeViewColumn(_('Commit'),

                                     crt, active=0))

        self._treeview_files.append_column(gtk.TreeViewColumn(_('Path'),

                                     gtk.CellRendererText(), text=1))

        self._treeview_files.append_column(gtk.TreeViewColumn(_('Type'),

                                     gtk.CellRendererText(), text=2))

        for path, id, kind in self.delta.added:

            marker = osutils.kind_marker(kind)

            if self.selected is not None:

                if path == os.path.join(self.wtpath, self.selected):

                    self._file_store.append([ True, path+marker, _('added'), path ])

                else:

                    self._file_store.append([ False, path+marker, _('added'), path ])

            else:

                self._file_store.append([ True, path+marker, _('added'), path ])

        for path, id, kind in self.delta.removed:

            marker = osutils.kind_marker(kind)

            if self.selected is not None:

                if path == os.path.join(self.wtpath, self.selected):

                    self._file_store.append([ True, path+marker, _('removed'), path ])

                else:

                    self._file_store.append([ False, path+marker, _('removed'), path ])

            else:

                self._file_store.append([ True, path+marker, _('removed'), path ])

        for oldpath, newpath, id, kind, text_modified, meta_modified in self.delta.renamed:

            marker = osutils.kind_marker(kind)

            if text_modified or meta_modified:

                changes = _('renamed and modified')

            else:

                changes = _('renamed')

            if self.selected is not None:

                if newpath == os.path.join(self.wtpath, self.selected):

                    self._file_store.append([ True,

                                              oldpath+marker + '  =>  ' + newpath+marker,

                                              changes,

                                              newpath

                                            ])

                else:

                    self._file_store.append([ False,

                                              oldpath+marker + '  =>  ' + newpath+marker,

                                              changes,

                                              newpath

                                            ])

            else:

                self._file_store.append([ True,

                                          oldpath+marker + '  =>  ' + newpath+marker,

                                          changes,

                                          newpath

                                        ])

        for path, id, kind, text_modified, meta_modified in self.delta.modified:

            marker = osutils.kind_marker(kind)

            if self.selected is not None:

                if path == os.path.join(self.wtpath, self.selected):

                    self._file_store.append([ True, path+marker, _('modified'), path ])

                else:

                    self._file_store.append([ False, path+marker, _('modified'), path ])

            else:

                self._file_store.append([ True, path+marker, _('modified'), path ])

    def _create_pending_merges(self):

        if not self.pending:

            return

        liststore = gtk.ListStore(gobject.TYPE_STRING,

                                  gobject.TYPE_STRING,

                                  gobject.TYPE_STRING)

        self._treeview_merges.set_model(liststore)

        self._treeview_merges.append_column(gtk.TreeViewColumn(_('Date'),

                                            gtk.CellRendererText(), text=0))

        self._treeview_merges.append_column(gtk.TreeViewColumn(_('Committer'),

                                            gtk.CellRendererText(), text=1))

        self._treeview_merges.append_column(gtk.TreeViewColumn(_('Summary'),

                                            gtk.CellRendererText(), text=2))

        for item in self.pending:

            liststore.append([ item['date'],

                               item['committer'],

                               item['summary'] ])

    def _create_diff_view(self):

        from diff import DiffDisplay

        self._diff_display = DiffDisplay()

        self._diff_display.set_trees(self.wt, self.wt.basis_tree())

        self._diff_display.show_diff(None)

        self._diff_display.show()

        self._hpane.pack2(self._diff_display)

    def _get_specific_files(self):

        ret = []

        it = self._file_store.get_iter_first()

        while it:

            if self._file_store.get_value(it, 0):

                # get real path from hidden column 3

                ret.append(self._file_store.get_value(it, 3))

            it = self._file_store.iter_next(it)

        return ret

    def _toggle_commit(self, cell, path, model):

        model[path][0] = not model[path][0]

        return