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Z S) BaseLinkColumna
The base for other columns that render links.
Arguments:
text (str or callable): If set, this value will be used to render the
text inside link instead of value. The callable gets the record
being rendered as argument.
attrs (dict): In addition to *attrs* keys supported by `~.Column`, the
following are available:
- *a* -- ```` in ```` elements.
Nc s0 | | d <| | _ t t | j | | d S)Nattrs)textsuperr __init__)selfr r
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Returns the content for a specific cell similarly to `.render` however
without any html content.
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LinkColumna
Renders a normal value as an internal hyperlink to another page.
It's common to have the primary value in a row hyperlinked to the page
dedicated to that record.
The first arguments are identical to that of
`~django.urls.reverse` and allows an internal URL to be
described. If this argument is `None`, then `get_absolute_url`.
(see Django references) will be used.
The last argument *attrs* allows custom HTML attributes to be added to the
rendered ```` tag.
Arguments:
viewname (str or None): See `~django.urls.reverse`, or use `None`
to use the model's `get_absolute_url`
urlconf (str): See `~django.urls.reverse`.
args (list): See `~django.urls.reverse`. [2]_
kwargs (dict): See `~django.urls.reverse`. [2]_
current_app (str): See `~django.urls.reverse`.
attrs (dict): HTML attributes that are added to the rendered
``...`` tag.
text (str or callable): Either static text, or a callable. If set, this
will be used to render the text inside link instead of value (default).
The callable gets the record being rendered as argument.
.. [2] In order to create a link to a URL that relies on information in the
current row, `.Accessor` objects can be used in the *args* or *kwargs*
arguments. The accessor will be resolved using the row's record before
`~django.urls.reverse` is called.
Example:
.. code-block:: python
# models.py
class Person(models.Model):
name = models.CharField(max_length=200)
# urls.py
urlpatterns = patterns('',
url('people/(\d+)/', views.people_detail, name='people_detail')
)
# tables.py
from django_tables2.utils import A # alias for Accessor
class PeopleTable(tables.Table):
name = tables.LinkColumn('people_detail', args=[A('pk')])
In order to override the text value (i.e. ``text``) consider
the following example:
.. code-block:: python
# tables.py
from django_tables2.utils import A # alias for Accessor
class PeopleTable(tables.Table):
name = tables.LinkColumn('people_detail', text='static text', args=[A('pk')])
age = tables.LinkColumn('people_detail', text=lambda record: record.name, args=[A('pk')])
In the first example, a static text would be rendered ('static text')
In the second example, you can specify a callable which accepts a record object (and thus
can return anything from it)
In addition to *attrs* keys supported by `.Column`, the following are
available:
- *a* -- ```` elements in ``| ``.
Adding attributes to the ````-tag looks like this::
class PeopleTable(tables.Table):
first_name = tables.LinkColumn(attrs={
'a': {'style': 'color: red;'}
})
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# ) zLinkColumn.compose_urlc C s% | j | j | | d | d | S)Nr r )r r4 )r r r bound_columnr r r render s zLinkColumn.render)r r r r! r r4 r6 r r )r r r" @ s
P r" c @ s" e Z d Z d Z d d Z d S)RelatedLinkColumnz
Render a link to a related object using related object's ``get_absolute_url``,
same parameters as ``~.LinkColumn``
c C s4 | j r | j n t | j } | j | j S)N)accessorr namer) r' )r r r5 r8 r r r r4 s !z RelatedLinkColumn.compose_urlN)r r r r! r4 r r r r r7 s r7 N)
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