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

src/UndoHistory.py

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