Add backlink bottombar gramplets

svn: r16997

src/plugins/gramplet/Backlinks.py

@@ -0,0 +1,179 @@
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2011 Nick Hall
+#
+# 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
+#
+# $Id$
+#
+
+from ListModel import ListModel, NOSORT
+from Utils import navigation_label
+from gen.plug import Gramplet
+from gen.ggettext import gettext as _
+import gtk
+
+class Backlinks(Gramplet):
+    """
+    Displays the back references for an object.
+    """
+    def init(self):
+        self.gui.WIDGET = self.build_gui()
+        self.gui.get_container_widget().remove(self.gui.textview)
+        self.gui.get_container_widget().add_with_viewport(self.gui.WIDGET)
+        self.gui.WIDGET.show()
+
+    def build_gui(self):
+        """
+        Build the GUI interface.
+        """
+        top = gtk.TreeView()
+        titles = [(_('Type'), 1, 100),
+                  (_('Name'), 2, 100)]
+        self.model = ListModel(top, titles)
+        return top
+        
+    def display_backlinks(self, active_handle):
+        """
+        Display the back references for an object.
+        """
+        for classname, handle in \
+                    self.dbstate.db.find_backlink_handles(active_handle,
+                                                          include_classes=None):
+            name = navigation_label(self.dbstate.db, classname, handle)[0]
+            self.model.add((classname, name))
+        
+class PersonBacklinks(Backlinks):
+    """
+    Displays the back references for a person.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('person-update', self.update)
+        self.update()
+
+    def active_changed(self, handle):
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Person')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class EventBacklinks(Backlinks):
+    """
+    Displays the back references for an event.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('event-update', self.update)
+        self.connect_signal('Event', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Event')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class FamilyBacklinks(Backlinks):
+    """
+    Displays the back references for a family.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('family-update', self.update)
+        self.connect_signal('Family', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Family')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class PlaceBacklinks(Backlinks):
+    """
+    Displays the back references for a place.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('place-update', self.update)
+        self.connect_signal('Place', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Place')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class SourceBacklinks(Backlinks):
+    """
+    Displays the back references for a source,.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('source-update', self.update)
+        self.connect_signal('Source', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Source')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class RepositoryBacklinks(Backlinks):
+    """
+    Displays the back references for a repository.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('repository-update', self.update)
+        self.connect_signal('Repository', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Repository')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class MediaBacklinks(Backlinks):
+    """
+    Displays the back references for a media object.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('media-update', self.update)
+        self.connect_signal('Media', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Media')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+
+class NoteBacklinks(Backlinks):
+    """
+    Displays the back references for a note.
+    """
+    def db_changed(self):
+        self.dbstate.db.connect('note-update', self.update)
+        self.connect_signal('Note', self.update)
+        self.update()
+
+    def main(self):
+        active_handle = self.get_active('Note')
+        self.model.clear()
+        if active_handle:
+            self.display_backlinks(active_handle)
+