In .:
2006-05-05 Alex Roitman <shura@gramps-project.org> * src/UndoHistory.py: Add new file. * src/ViewManager.py: undo history support. * src/GrampsDb/_GrampsDbBase.py (Transaction.__init__): Add timestamp to the transaction. (GrampsDbBase.redo): Update undo history window. (GrampsDbBase.undo): Update undo history window. (GrampsDbBase.transaction_commit): Update undo history window. (GrampsDbBase.transaction_commit): Set transaction timestamp. (GrampsDbBase.__init__): Define undo_history_callback. * src/Makefile.am (gdir_PYTHON): Ship new file. In po: 2006-05-05 Alex Roitman <shura@gramps-project.org> * POTFILES.in: Add new file. svn: r6557
This commit is contained in:
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src/UndoHistory.py
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155
src/UndoHistory.py
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modiy
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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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#
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# $Id: ScratchPad.py 6485 2006-04-28 16:56:19Z rshura $
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# Written by Alex Roitman
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#------------------------------------------------------------------------
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#
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# standard python modules
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#
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#------------------------------------------------------------------------
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import time
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from gettext import gettext as _
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#-------------------------------------------------------------------------
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#
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# GTK/Gnome modules
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#
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#-------------------------------------------------------------------------
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import gtk
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#-------------------------------------------------------------------------
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#
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# GRAMPS modules
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#
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#-------------------------------------------------------------------------
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from QuestionDialog import QuestionDialog
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import ManagedWindow
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#-------------------------------------------------------------------------
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#
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# UndoHistory class
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#
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#-------------------------------------------------------------------------
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class UndoHistory(ManagedWindow.ManagedWindow):
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"""
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The UndoHistory provides a list view with all the editing
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steps available for undo/redo. Selecting a line in the list
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will revert/advance to the appropriate step in editing history.
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"""
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def __init__(self, dbstate, uistate):
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self.title = _("Undo History")
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ManagedWindow.ManagedWindow.__init__(self,uistate,[],self.__class__)
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self.db = dbstate.db
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self.set_window(
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gtk.Dialog("",uistate.window,
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gtk.DIALOG_DESTROY_WITH_PARENT,
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(gtk.STOCK_UNDO,gtk.RESPONSE_REJECT,
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gtk.STOCK_REDO,gtk.RESPONSE_ACCEPT,
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gtk.STOCK_CLEAR,gtk.RESPONSE_APPLY,
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gtk.STOCK_CLOSE,gtk.RESPONSE_CLOSE,
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)
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),
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None, self.title)
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self.window.set_size_request(600,400)
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self.window.connect('response', self._response)
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scrolled_window = gtk.ScrolledWindow()
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scrolled_window.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
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self.list = gtk.TreeView()
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self.model = gtk.ListStore(str, str)
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self.selection = self.list.get_selection()
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self.list.set_model(self.model)
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self.list.set_rules_hint(True)
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self.list.append_column(
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gtk.TreeViewColumn(_('Original time'), gtk.CellRendererText(),
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text=0))
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self.list.append_column(
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gtk.TreeViewColumn(_('Modification'), gtk.CellRendererText(),
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text=1))
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scrolled_window.add(self.list)
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self.window.vbox.add(scrolled_window)
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self.window.show_all()
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self._build_model()
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self.db.connect('database-changed',self.clear)
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self.selection.connect('changed',self._move)
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def _response(self,obj,response_id):
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if response_id == gtk.RESPONSE_CLOSE:
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self.close()
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elif response_id == gtk.RESPONSE_REJECT:
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self._move(-1)
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elif response_id == gtk.RESPONSE_ACCEPT:
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self._move(1)
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elif response_id == gtk.RESPONSE_APPLY:
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self._clear_clicked()
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def build_menu_names(self,obj):
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return (self.title,None)
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def _clear_clicked(self,obj=None):
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QuestionDialog(_("Delete confirmation"),
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_("Are you sure you want to clear the Undo history?"),
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_("Clear"),
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self.clear,
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self.window)
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def clear(self):
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self.db.undoindex = -1
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self.db.translist = [None] * len(self.db.translist)
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self.update()
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if self.db.undo_callback:
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self.db.undo_callback(None)
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if self.db.redo_callback:
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self.db.redo_callback(None)
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def _move(self,obj,steps=-1):
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self._update_ui()
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def _update_ui(self):
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pass
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def _build_model(self):
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self.model.clear()
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# Get the not-None portion of transaction list
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translist = [item for item in self.db.translist if item]
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translist.reverse()
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for transaction in translist:
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time_text = time.ctime(transaction.timestamp)
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mod_text = transaction.get_description()
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self.model.append(row=[time_text,mod_text])
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if self.db.undoindex < 0:
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self.selection.unselect_all()
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else:
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path = (self.db.undoindex,)
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self.selection.select_path(path)
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def update(self):
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self._build_model()
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self._update_ui()
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