/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 gtk.glade

import gobject

import pango

import bzrlib.errors as errors

from bzrlib import osutils

from dialog import error_dialog, question_dialog

from guifiles import GLADEFILENAME

class CommitDialog:

    """ Display Commit dialog and perform the needed actions. """

    def __init__(self, wt, wtpath, notbranch):

        """ Initialize the Commit dialog.

        :param  wt:         bzr working tree object

        :param  wtpath:     path to working tree root

        :param  notbranch:  flag that path is not a brach

        :type   notbranch:  bool

        """

        self.glade = gtk.glade.XML(GLADEFILENAME, 'window_commit', 'olive-gtk')

        self.wt = wt

        self.wtpath = wtpath

        self.notbranch = notbranch

        # Get some important widgets

        self.window = self.glade.get_widget('window_commit')

        self.checkbutton_local = self.glade.get_widget('checkbutton_commit_local')

        self.textview = self.glade.get_widget('textview_commit')

        self.file_expander = self.glade.get_widget('expander_commit_select')

        self.file_view = self.glade.get_widget('treeview_commit_select')

        self.pending_expander = self.glade.get_widget('expander_commit_pending')

        self.pending_label = self.glade.get_widget('label_commit_pending')

        self.pending_view = self.glade.get_widget('treeview_commit_pending')

        if wt is None or notbranch:

            return

        # 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)

        # Dictionary for signal_autoconnect

        dic = { "on_button_commit_commit_clicked": self.commit,

                "on_button_commit_cancel_clicked": self.close }

        # Connect the signals to the handlers

        self.glade.signal_autoconnect(dic)

        # Create the file list

        self._create_file_view()

        # Create the pending merges

        self._create_pending_merges()

    def display(self):

        """ Display the Push dialog.

        @return:    True if dialog is shown.

        """

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

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

                         _('Operation aborted.'))

            self.close()

            return False

        if self.notbranch:

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

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

            self.close()

            return False

        else:

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

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

                self.checkbutton_local.show()

            if self.pending:

                # There are pending merges, file selection not supported

                self.file_expander.set_expanded(False)

                self.file_view.set_sensitive(False)

            else:

                # No pending merges

                self.pending_expander.hide()

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

            self.window.show()

            return True

    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.file_view.set_model(self.file_store)

        crt = gtk.CellRendererToggle()

        crt.set_property("activatable", True)

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

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

                                     crt, active=0))

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

                                     gtk.CellRendererText(), text=1))

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

                                     gtk.CellRendererText(), text=2))

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

            marker = osutils.kind_marker(kind)

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

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

            marker = osutils.kind_marker(kind)

            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')

            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)

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

    def _create_pending_merges(self):

        if not self.pending:

            # hide unused pending merge part

            scrolled_window = self.glade.get_widget('scrolledwindow_commit_pending')

            parent = scrolled_window.get_parent()

            parent.remove(scrolled_window)

            parent = self.pending_label.get_parent()

            parent.remove(self.pending_label)

            return

        liststore = gtk.ListStore(gobject.TYPE_STRING,

                                  gobject.TYPE_STRING,

                                  gobject.TYPE_STRING)

        self.pending_view.set_model(liststore)

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

                                        gtk.CellRendererText(), text=0))

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

                                        gtk.CellRendererText(), text=1))

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

                                        gtk.CellRendererText(), text=2))

        for item in self.pending:

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

                               item['committer'],

                               item['summary'] ])

    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

    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 commit(self, widget):

        textbuffer = self.textview.get_buffer()

        start, end = textbuffer.get_bounds()

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

        checkbutton_strict = self.glade.get_widget('checkbutton_commit_strict')

        checkbutton_force = self.glade.get_widget('checkbutton_commit_force')

        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.grab_focus()

                return

        try:

            self.wt.commit(message,

                           allow_pointless=checkbutton_force.get_active(),

                           strict=checkbutton_strict.get_active(),

                           local=self.checkbutton_local.get_active(),

                           specific_files=specific_files)

        except errors.NotBranchError:

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

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

            return

        except errors.LocalRequiresBoundBranch:

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

                         _('You can perform local commit only on checkouts.'))

            return

        except errors.PointlessCommit:

            error_dialog(_('No changes to commit'),

                         _('Try force commit if you want to commit anyway.'))

            return

        except errors.ConflictsInTree:

            error_dialog(_('Conflicts in tree'),

                         _('You need to resolve the conflicts before committing.'))

            return

        except errors.StrictCommitFailed:

            error_dialog(_('Strict commit failed'),

                         _('There are unknown files in the working tree.\nPlease add or delete them.'))

            return

        except errors.BoundBranchOutOfDate, errmsg:

            error_dialog(_('Bound branch is out of date'),

                         _('%s') % errmsg)

            return

        except errors.BzrError, msg:

            error_dialog(_('Unknown bzr error'), str(msg))

            return

        except Exception, msg:

            error_dialog(_('Unknown error'), str(msg))

            return

        self.close()

    def close(self, widget=None):

        self.window.destroy()