# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1422981824 -3600
# Node ID 70562154ed5bfd8ca57d47a1fa510243eb0c656f
# Parent  2b70fe0513152f7707a23fdb8ccd6b308dfdd814
Introduced a means of marking whole days as selected using dynamic stylesheets.

diff -r 2b70fe051315 -r 70562154ed5b htdocs/styles.css
--- a/htdocs/styles.css	Tue Feb 03 16:57:36 2015 +0100
+++ b/htdocs/styles.css	Tue Feb 03 17:43:44 2015 +0100
@@ -69,8 +69,9 @@
     display: none;
 }
 
+th.container,
 td.container {
-    padding: 0;
+    padding: 0; /* for regions covered by labels */
 }
 
 th.dayheading:hover,
@@ -82,10 +83,14 @@
     background-color: #af8;
 }
 
+label.day,
+label.newevent.popup {
+    display: block; /* to make labels cover regions */
+    padding: 0.25em;
+}
+
 label.newevent.popup {
     visibility: hidden;
-    display: block;
-    padding: 0.25em;
     text-align: center;
 }
 
@@ -94,9 +99,8 @@
     visibility: visible;
 }
 
-input.newevent:checked ~ .day,
 input.newevent:checked ~ .timepoint {
-    background-color: #af8;
+    background-color: #5f4;
     text-decoration: underline;
 }
 
diff -r 2b70fe051315 -r 70562154ed5b imip_manager.py
--- a/imip_manager.py	Tue Feb 03 16:57:36 2015 +0100
+++ b/imip_manager.py	Tue Feb 03 17:43:44 2015 +0100
@@ -910,6 +910,8 @@
                 partitioned_group_types.append(group_type)
                 partitioned_group_sources.append(group_source)
 
+        self.show_calendar_day_controls(days)
+
         page.table(cellspacing=5, cellpadding=5, class_="calendar")
         self.show_calendar_participant_headings(partitioned_group_types, partitioned_group_sources, group_columns)
         self.show_calendar_days(days, partitioned_groups, partitioned_group_types, group_columns)
@@ -919,6 +921,36 @@
 
         page.form.close()
 
+    def show_calendar_day_controls(self, days):
+
+        "Show controls for the given 'days' in the calendar."
+
+        page = self.page
+        slots = self.env.get_args().get("slot", [])
+
+        for day in days:
+            value, identifier = self._day_value_and_identifier(day)
+            self._slot_selector(value, identifier, slots)
+
+        # Generate a dynamic stylesheet to allow day selections to colour
+        # specific days.
+        # NOTE: The style details need to be coordinated with the static
+        # NOTE: stylesheet.
+
+        page.style(type="text/css")
+
+        for day in days:
+            daystr = format_datetime(day)
+            page.add("""\
+input.newevent#day-%s-:checked ~ table label.day.day-%s,
+input.newevent#day-%s-:checked ~ table label.timepoint.day-%s {
+    background-color: #5f4;
+    text-decoration: underline;
+}
+""" % (daystr, daystr, daystr, daystr))
+
+        page.style.close()
+
     def show_calendar_participant_headings(self, group_types, group_sources, group_columns):
 
         """
@@ -972,7 +1004,7 @@
         for day, intervals in all_days:
             page.thead()
             page.tr()
-            page.th(class_="dayheading", colspan=all_columns+1)
+            page.th(class_="dayheading container", colspan=all_columns+1)
             self._day_heading(day)
             page.th.close()
             page.tr.close()
@@ -1097,18 +1129,34 @@
             page.tr.close()
 
     def _day_heading(self, day):
+
+        """
+        Generate a heading for 'day' of the following form:
+
+        <label class="day day-20150203" for="day-20150203">Tuesday, 3 February 2015</label>
+        """
+
         page = self.page
+        daystr = format_datetime(day)
         value, identifier = self._day_value_and_identifier(day)
-        slots = self.env.get_args().get("slot", [])
-        self._slot_selector(value, identifier, slots)
-        page.label(self.format_date(day, "full"), class_="day", for_=identifier)
+        page.label(self.format_date(day, "full"), class_="day day-%s" % daystr, for_=identifier)
 
     def _time_point(self, point, endpoint):
+
+        """
+        Generate headings for the 'point' to 'endpoint' period of the following
+        form:
+
+        <label class="timepoint day-20150203" for="slot-20150203T090000-20150203T100000">09:00:00 CET</label>
+        <span class="endpoint">10:00:00 CET</span>
+        """
+
         page = self.page
+        daystr = format_datetime(point.date())
         value, identifier = self._slot_value_and_identifier(point, endpoint)
         slots = self.env.get_args().get("slot", [])
         self._slot_selector(value, identifier, slots)
-        page.label(self.format_time(point, "long"), class_="timepoint", for_=identifier)
+        page.label(self.format_time(point, "long"), class_="timepoint day-%s" % daystr, for_=identifier)
         page.span(self.format_time(endpoint or get_end_of_day(point), "long"), class_="endpoint")
 
     def _slot_selector(self, value, identifier, slots):