From 1fbe7ea049c44ded2df2337269841a6a756ff0bb Mon Sep 17 00:00:00 2001
From: Nick Hall <nick__hall@hotmail.com>
Date: Mon, 3 Feb 2014 22:15:30 +0000
Subject: [PATCH] Add HasDayOfWeek rule

---
 gramps/gen/filters/rules/event/__init__.py    |  4 +-
 .../gen/filters/rules/event/_hasdayofweek.py  | 54 +++++++++++++++++++
 gramps/gen/lib/date.py                        | 10 ++++
 gramps/gui/editors/filtereditor.py            |  4 ++
 po/POTFILES.in                                |  1 +
 5 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 gramps/gen/filters/rules/event/_hasdayofweek.py

diff --git a/gramps/gen/filters/rules/event/__init__.py b/gramps/gen/filters/rules/event/__init__.py
index ea379e162..5238e8aeb 100644
--- a/gramps/gen/filters/rules/event/__init__.py
+++ b/gramps/gen/filters/rules/event/__init__.py
@@ -48,6 +48,7 @@ from ._hasattribute import HasAttribute
 from ._hasdata import HasData
 from ._changedsince import ChangedSince
 from ._matchesplacefilter import MatchesPlaceFilter
+from ._hasdayofweek import HasDayOfWeek
 
 editor_rule_list = [
     AllEvents,
@@ -68,5 +69,6 @@ editor_rule_list = [
     HasAttribute,
     HasData,
     ChangedSince,
-    MatchesPlaceFilter
+    MatchesPlaceFilter,
+    HasDayOfWeek
 ]
diff --git a/gramps/gen/filters/rules/event/_hasdayofweek.py b/gramps/gen/filters/rules/event/_hasdayofweek.py
new file mode 100644
index 000000000..b12035af1
--- /dev/null
+++ b/gramps/gen/filters/rules/event/_hasdayofweek.py
@@ -0,0 +1,54 @@
+#
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2013      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
+#
+
+#-------------------------------------------------------------------------
+#
+# Standard Python modules
+#
+#-------------------------------------------------------------------------
+from gramps.gen.const import GRAMPS_LOCALE as glocale
+_ = glocale.translation.sgettext
+
+#-------------------------------------------------------------------------
+#
+# Gramps modules
+#
+#-------------------------------------------------------------------------
+from .. import Rule
+
+#-------------------------------------------------------------------------
+#
+# HasDayOfWeek
+#
+#-------------------------------------------------------------------------
+class HasDayOfWeek(Rule):
+    """Rule that matches an event occurring on a particular day of the week."""
+
+    labels      = [ _('Day of Week:') ]
+    name        = _('Events occurring on a particular day of the week')
+    description = _('Matches events occurring on a particular day of the week')
+    category    = _('General filters')
+
+    def apply(self, db, event):
+        if not self.list[0]:
+            return False
+        else:
+            dow = event.get_date_object().get_dow()
+            return dow == int(self.list[0])
diff --git a/gramps/gen/lib/date.py b/gramps/gen/lib/date.py
index af7cea24a..cbf2810c5 100644
--- a/gramps/gen/lib/date.py
+++ b/gramps/gen/lib/date.py
@@ -1488,6 +1488,16 @@ class Date(object):
         """
         return self.text
 
+    def get_dow(self):
+        """
+        Return an integer representing the day of the week associated with the
+        date (Monday=0).
+        
+        If the day is not defined, a None is returned. If the date is a
+        compound date, the lower date day is returned.
+        """
+        return self.sortval % 7 if self.is_regular() else None
+
     def _zero_adjust_ymd(self, y, m, d):
         year = y if y != 0 else 1
         month = max(m, 1)
diff --git a/gramps/gui/editors/filtereditor.py b/gramps/gui/editors/filtereditor.py
index c5c6c11a2..f6d083375 100644
--- a/gramps/gui/editors/filtereditor.py
+++ b/gramps/gui/editors/filtereditor.py
@@ -74,6 +74,7 @@ from gramps.gen.utils.db import family_name
 from gramps.gen.utils.string import conf_strings
 from gramps.gen.constfunc import cuni
 from ..widgets import DateEntry
+from gramps.gen.datehandler import long_days
 
 #-------------------------------------------------------------------------
 #
@@ -583,6 +584,9 @@ class EditRule(ManagedWindow):
                                [_(conf_strings[i]) for i in range(5)])
                 elif v == _('Date:'):
                     t = DateEntry(self.uistate, self.track)
+                elif v == _('Day of Week:'):
+                    days_of_week = long_days[2:] + long_days[1:2]
+                    t = MyList(map(str, range(7)), days_of_week)
                 else:                    
                     t = MyEntry()
                 tlist.append(t)
diff --git a/po/POTFILES.in b/po/POTFILES.in
index d07ab236f..295984d64 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -66,6 +66,7 @@ gramps/gen/filters/rules/event/_eventprivate.py
 gramps/gen/filters/rules/event/_hasattribute.py
 gramps/gen/filters/rules/event/_hascitation.py
 gramps/gen/filters/rules/event/_hasdata.py
+gramps/gen/filters/rules/event/_hasdayofweek.py
 gramps/gen/filters/rules/event/_hasgallery.py
 gramps/gen/filters/rules/event/_hasidof.py
 gramps/gen/filters/rules/event/_hasnote.py