/b-gtk/fix-viz

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Viewing changes to loom.py

  • Committer: Jelmer Vernooij
  • Date: 2008-07-17 11:51:03 UTC
  • Revision ID: jelmer@samba.org-20080717115103-djh5sb0pvpse2zkb
Add note about glade.

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# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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from gi.repository import Gtk
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from gi.repository import GObject
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from bzrlib.plugins.gtk.diff import DiffWidget
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from bzrlib.plugins.gtk.dialog import question_dialog
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from bzrlib.plugins.loom import (
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    branch as loom_branch,
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    tree as loom_tree,
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    )
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from bzrlib.plugins.gtk.i18n import _i18n
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class LoomDialog(Gtk.Dialog):
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    """Simple Loom browse dialog."""
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    def __init__(self, branch, tree=None, parent=None):
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        GObject.GObject.__init__(self, title="Threads",
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                                  parent=parent,
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                                  flags=0,
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                                  buttons=(Gtk.STOCK_CLOSE,Gtk.ResponseType.OK))
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        self.branch = branch
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        if tree is not None:
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            self.tree = loom_tree.LoomTreeDecorator(tree)
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        else:
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            self.tree = None
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        self._construct()
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    def run(self):
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        try:
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            loom_branch.require_loom_branch(self.branch)
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        except loom_branch.NotALoom:
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            response = question_dialog(
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                _i18n("Upgrade to Loom branch?"),
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                _i18n("Branch is not a loom branch. Upgrade to Loom format?"),
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                parent=self)
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                # Doesn't set a parent for the dialog..
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            if response == Gtk.ResponseType.NO:
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                return
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            assert self.branch.nick is not None
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            loom_branch.loomify(self.branch)
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        self._load_threads()
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        return super(LoomDialog, self).run()
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    def _construct(self):
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        hbox = Gtk.HBox()
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        self._threads_scroller = Gtk.ScrolledWindow()
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        self._threads_scroller.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
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        self._threads_view = Gtk.TreeView()
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        self._threads_scroller.add(self._threads_view)
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        self._threads_scroller.set_shadow_type(Gtk.ShadowType.IN)
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        hbox.pack_start(self._threads_scroller, True, True, 0)
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        self._threads_store = Gtk.ListStore(
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                GObject.TYPE_STRING, GObject.TYPE_STRING, GObject.TYPE_PYOBJECT, GObject.TYPE_STRING)
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        self._threads_view.set_model(self._threads_store)
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        self._threads_view.append_column(Gtk.TreeViewColumn("Name", Gtk.CellRendererText(), text=0))
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        self._threads_view.connect('cursor-changed', self._on_view_thread)
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        if self.tree is not None:
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            self._threads_view.connect('row-activated', self._on_switch_thread)
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        self._diff = DiffWidget()
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        self._diff.show()
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        hbox.pack_end(self._diff)
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        hbox.show_all()
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        self.vbox.pack_start(hbox, True, True, 0)
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        # FIXME: Buttons: combine-thread, revert-loom, record
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        self.set_default_size(500, 350)
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    def _on_view_thread(self, treeview):
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        treeselection = treeview.get_selection()
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        (model, selection) = treeselection.get_selected()
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        if selection is None:
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            return
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        revid, parent_revid = model.get(selection, 1, 3)
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        if parent_revid is None:
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            return
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        self.branch.lock_read()
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        try:
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            (rev_tree, parent_tree) = tuple(self.branch.repository.revision_trees([revid, parent_revid]))
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            self._diff.set_diff(rev_tree, parent_tree)
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        finally:
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            self.branch.unlock()
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    def _on_switch_thread(self, treeview, path, view_column):
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        new_thread = self._threads_store.get_value(self._threads_store.get_iter(path), 0)
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        self.tree.down_thread(new_thread)
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    def _load_threads(self):
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        self._threads_store.clear()
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        self.branch.lock_read()
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        try:
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            threads = self.branch.get_loom_state().get_threads()
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            last_revid = None
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            for name, revid, parent_ids in reversed(threads):
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                self._threads_store.append([name, revid, parent_ids, last_revid])
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                last_revid = revid
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        finally:
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            self.branch.unlock()