Changeset 8146 for main/waeup.kofa/trunk/src/waeup/kofa

Timestamp:

13 Apr 2012, 16:17:26 (13 years ago)

Author:

uli

Message:

Provide a new schema field for formatted dates (not a formlib field).

Location:

main/waeup.kofa/trunk/src/waeup/kofa/schema

Files:

• field.py (modified) (2 diffs)
• interfaces.py (added)
• tests/test_fields.py (added)

main/waeup.kofa/trunk/src/waeup/kofa/schema/field.py

@@ -19 +19 @@
 """
 from zope.interface import implements
-from zope.schema import TextLine
+from zope.schema import TextLine, Date
 from zope.schema.interfaces import (
     ITextLine, IBaseVocabulary, ISource, IContextSourceBinder, InvalidValue,)
 from zope.schema.vocabulary import (
     SimpleVocabulary, getVocabularyRegistry, VocabularyRegistryError)
+from waeup.kofa.schema.interfaces import IFormattedDate
 
 class CustomizableErrorMsg(object):
@@ -125 +126 @@
             raise InvalidValue(value)
         return
+
+class FormattedDate(Date):
+    """A date field that supports additional formatting attributes.
+
+    Stores extra attributes (see below). To make use of these
+    attributes in forms, you have to provide widgets that read them
+    and use them in their operations, for instance the
+    `waeup.kofa.widgets.datewidget.FormattedDateWidget`.
+
+    Extra attributes are as follows:
+
+    `date_format`
+      additional attribute to describe desired date format. Must be a
+      string that can be fed to strftime/strptime functions.
+
+    `show_year`
+      boolean indicating whether some kind of year selection should
+      be used with this instance.
+    """
+    implements(IFormattedDate)
+    date_format = '%Y-%m-%d'
+    show_year = False
+    def __init__(self, date_format='%Y-%m-%d', show_year=False, *args, **kw):
+        self.date_format = date_format
+        self.show_year = show_year
+        return super(FormattedDate, self).__init__(*args, **kw)