# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1445811414 -3600
# Node ID bce1418bf0834a860b2058a4e406d8c0824da185
# Parent  a1fe870901a3da663fed95f2600e4094c64576ac
Preserve empty day and free period control selections across submissions.

diff -r a1fe870901a3 -r bce1418bf083 imipweb/calendar.py
--- a/imipweb/calendar.py	Sun Oct 25 22:58:34 2015 +0100
+++ b/imipweb/calendar.py	Sun Oct 25 23:16:54 2015 +0100
@@ -29,9 +29,9 @@
                              get_overlapping, \
                              get_scale, get_slots, get_spans, partition_by_day, \
                              Period, Point
-from imipweb.resource import ResourceClient
+from imipweb.resource import FormUtilities, ResourceClient
 
-class CalendarPage(ResourceClient):
+class CalendarPage(ResourceClient, FormUtilities):
 
     "A request handler for the calendar page."
 
@@ -287,9 +287,10 @@
         """
 
         page = self.page
+        args = self.env.get_args()
 
-        page.input(name="showdays", type="checkbox", value="show", id="showdays", accesskey="D")
-        page.input(name="hidebusy", type="checkbox", value="hide", id="hidebusy", accesskey="B")
+        self.control("showdays", "checkbox", "show", ("show" in args.get("showdays", [])), id="showdays", accesskey="D")
+        self.control("hidebusy", "checkbox", "hide", ("hide" in args.get("hidebusy", [])), id="hidebusy", accesskey="B")
 
         page.p(id_="calendar-controls", class_="controls")
         page.span("Select days or periods for a new event.")