Merged pull request from kynazz to add support for unicode in sort view title.

Updated readme and version.
This commit is contained in:
Brandon Taylor
2013-04-23 08:05:40 -04:00
parent 7d0555cc62
commit 661f417a7b
3 changed files with 24 additions and 16 deletions
+20 -13
View File
@@ -14,22 +14,26 @@ class MultipleSortableForeignKeyException(Exception):
class Sortable(models.Model):
"""
Unfortunately, Django doesn't support using more than one AutoField in a model
or this class could be simplified.
Unfortunately, Django doesn't support using more than one AutoField
in a model or this class could be simplified.
`is_sortable` determines whether or not the Model is sortable by determining
if the last value of `order` is greater than the default of 1, which should be
present if there is only one object.
`is_sortable` determines whether or not the Model is sortable by
determining if the last value of `order` is greater than the default
of 1, which should be present if there is only one object.
`model_type_id` returns the ContentType.id for the Model that inherits Sortable
`model_type_id` returns the ContentType.id for the Model that
inherits Sortable
`save` the override of save increments the last/highest value of order by 1
`save` the override of save increments the last/highest value of
order by 1
Override `sortable_by` method to make your model be sortable by a foreign key field.
Set `sortable_by` to the class specified in the foreign key relationship.
Override `sortable_by` method to make your model be sortable by a
foreign key field. Set `sortable_by` to the class specified in the
foreign key relationship.
"""
order = models.PositiveIntegerField(editable=False, default=1, db_index=True)
order = models.PositiveIntegerField(editable=False, default=1,
db_index=True)
# legacy support
sortable_by = None
@@ -41,7 +45,8 @@ class Sortable(models.Model):
@classmethod
def is_sortable(cls):
try:
max_order = cls.objects.aggregate(models.Max('order'))['order__max']
max_order = cls.objects.aggregate(
models.Max('order'))['order__max']
except (TypeError, IndexError):
max_order = 0
return True if max_order > 1 else False
@@ -59,12 +64,14 @@ class Sortable(models.Model):
if isinstance(field, SortableForeignKey):
sortable_foreign_keys.append(field)
if len(sortable_foreign_keys) > 1:
raise MultipleSortableForeignKeyException(u'%s may only have one SortableForeignKey' % self)
raise MultipleSortableForeignKeyException(
u'%s may only have one SortableForeignKey' % self)
def save(self, *args, **kwargs):
if not self.id:
try:
self.order = self.__class__.objects.aggregate(models.Max('order'))['order__max'] + 1
self.order = self.__class__.objects.aggregate(
models.Max('order'))['order__max'] + 1
except (TypeError, IndexError):
pass