Add week navigation to time sheet view

tailbone/templates/timesheet/index.mako

@@ -6,6 +6,14 @@
 <%def name="head_tags()">
   ${parent.head_tags()}
   <style type="text/css">
+    .timesheet-header {
+        position: relative;
+    }
+    .timesheet-header .week-picker {
+        bottom: 0.5em;
+        position: absolute;
+        right: 0;
+    }
     .timesheet {
         border-bottom: 1px solid black;
         border-right: 1px solid black;
@@ -27,8 +35,32 @@
         display: block;
     }
   </style>
+  <script type="text/javascript">
+
+    $(function() {
+
+        $('.week-picker #date').datepicker({
+            dateFormat: 'yy-mm-dd',
+            changeYear: true,
+            changeMonth: true,
+            showButtonPanel: true,
+            onSelect: function(dateText, inst) {
+                $(this).focus().select();
+            }
+        });
+
+        $('.week-picker form').submit(function() {
+            location.href = '${url('timesheet')}?date=' + $('.week-picker #date').val();
+            return false;
+        });
+
+    });
+
+  </script>
 </%def>
 
+<div class="timesheet-header">
+
   <div class="field-wrapper employee">
     <label>Employee</label>
     <div class="field">
@@ -43,6 +75,16 @@
     </div>
   </div>
 
+  <div class="week-picker">
+    ${h.form(url('timesheet'))}
+    <label>Jump to week:</label>
+    ${h.text('date', value=sunday.strftime('%Y-%m-%d'))}
+    ${h.submit('go', "Go")}
+    ${h.end_form()}
+  </div>
+
+</div><!-- timesheet-header -->
+
 <table class="timesheet">
   <thead>
     <tr>

tailbone/views/timesheet.py

@@ -41,10 +41,20 @@ class TimeSheetView(View):
     """
 
     def __call__(self):
+        date = None
+        if 'date' in self.request.GET:
+            try:
+                date = datetime.datetime.strptime(self.request.GET['date'], '%Y-%m-%d').date()
+            except ValueError:
+                self.request.session.flash("The specified date is not valid: {}".format(self.request.GET['date']), 'error')
+        if not date:
+            date = localtime(self.rattail_config).date()
+        return self.render(date)
+
+    def render(self, date):
         employee = self.request.user.employee
         assert employee
-        today = localtime(self.rattail_config).date()
+        sunday = get_sunday(date)
-        sunday = get_sunday(today)
 
         weekdays = [sunday]
         for i in range(1, 7):
@@ -103,9 +113,9 @@ class TimeSheetView(View):
 
 def includeme(config):
 
+    config.add_tailbone_permission('timesheet', 'timesheet.view', "View Time Sheet")
+
     # current user's time sheet
     config.add_route('timesheet', '/timesheet/')
     config.add_view(TimeSheetView, route_name='timesheet',
-                    renderer='/timesheet/index.mako',
+                    renderer='/timesheet/index.mako', permission='timesheet.view')
-                    permission='timesheet.view')
-    config.add_tailbone_permission('timesheet', 'timesheet.view', "View Time Sheet")