Datepicker in bootstrap

Signed-off-by: Michal Čihař <michal@cihar.com>

TODO

@@ -4,6 +4,5 @@ TODO list for bootstrap migration
 - revisit our JS code and check what needs to be ported
 - convert remaining pages
     - zen mode
-- add datepicker
 - merge to master
     - copy javascript translations

weblate/html/meta-header.html

@@ -6,6 +6,7 @@
   <link rel="stylesheet" type="text/css" href="{% get_media_prefix %}bootstrap/css/bootstrap-rtl.min.css" />
 {% endif %}
   <link rel="stylesheet" type="text/css" href="{% get_media_prefix %}bootstrap/css/bootstrap-theme.min.css" />
+  <link rel="stylesheet" type="text/css" href="{% get_media_prefix %}bootstrap/css/datepicker3.css" />
   <link rel="stylesheet" type="text/css" href="{% get_media_prefix %}style-bootstrap.css" />
   <script src="{% get_media_prefix %}js/jquery-2.1.0.min.js" type="text/javascript"></script>
   <script src="{% get_media_prefix %}js/jquery.cookie.js" type="text/javascript"></script>
@@ -13,6 +14,7 @@
   <script src="{% get_media_prefix %}js/jquery.sortElements.js" type="text/javascript"></script>
   <script src="{% get_media_prefix %}js/mousetrap.min.js" type="text/javascript"></script>
   <script src="{% get_media_prefix %}js/mousetrap-global-bind.min.js" type="text/javascript"></script>
+  <script src="{% get_media_prefix %}js/bootstrap-datepicker.js" type="text/javascript"></script>
   <script src="{% get_media_prefix %}bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
   <script src="{% get_media_prefix %}loader-bootstrap.js" type="text/javascript"></script>
   <script src="{% url 'js-catalog' %}" type="text/javascript"></script>

weblate/trans/forms.py

@@ -532,7 +532,11 @@ class ReviewForm(forms.Form):
     date = forms.DateField(
         label=_('Starting date'),
         widget=forms.DateInput(
-            attrs={'type': 'date'},
+            attrs={
+                'type': 'date',
+                'data-provide': 'datepicker',
+                'data-date-format': 'yyyy-mm-dd',
+            },
             format='%Y-%m-%d'
         )
     )