from sets import Set as set
from django import template
+from django.template import TOKEN_BLOCK
from django.http import Http404
from django.core.paginator import Paginator, InvalidPage
from django.conf import settings
autopaginate SOMETHING [PAGINATE_BY] [ORPHANS] [as NAME]
"""
+ # Check whether there are any other autopaginations are later in this template
+ expr = lambda obj: (obj.token_type == TOKEN_BLOCK and \
+ len(obj.split_contents()) > 0 and obj.split_contents()[0] == "autopaginate")
+ multiple_paginations = len(filter(expr, parser.tokens)) > 0
+
i = iter(token.split_contents())
paginate_by = None
queryset_var = None
"{%% autopaginate QUERYSET [PAGINATE_BY] [ORPHANS]"
" [as CONTEXT_VAR_NAME] %%}"
)
- return AutoPaginateNode(queryset_var, paginate_by, orphans, context_var)
+ return AutoPaginateNode(queryset_var, multiple_paginations, paginate_by, orphans, context_var)
+
class AutoPaginateNode(template.Node):
"""
tag. If you choose not to use *{% paginate %}*, make sure to display the
list of available pages, or else the application may seem to be buggy.
"""
- def __init__(self, queryset_var, paginate_by=None,
- orphans=None, context_var=None):
+ def __init__(self, queryset_var, multiple_paginations, paginate_by=None,
+ orphans=None, context_var=None):
if paginate_by is None:
paginate_by = DEFAULT_PAGINATION
if orphans is None:
else:
self.orphans = template.Variable(orphans)
self.context_var = context_var
+ self.multiple_paginations = multiple_paginations
def render(self, context):
+ if self.multiple_paginations or context.has_key('paginator'):
+ page_suffix = '_%s' % self.queryset_var
+ else:
+ page_suffix = ''
+
key = self.queryset_var.var
value = self.queryset_var.resolve(context)
if isinstance(self.paginate_by, int):
orphans = self.orphans.resolve(context)
paginator = Paginator(value, paginate_by, orphans)
try:
- page_obj = paginator.page(context['request'].page)
+ page_obj = paginator.page(context['request'].page(page_suffix))
except InvalidPage:
if INVALID_PAGE_RAISES_404:
raise Http404('Invalid page requested. If DEBUG were set to ' +
context[key] = page_obj.object_list
context['paginator'] = paginator
context['page_obj'] = page_obj
+ context['page_suffix'] = page_suffix
return u''
+
def paginate(context, window=DEFAULT_WINDOW):
"""
Renders the ``pagination/pagination.html`` template, resulting in a
try:
paginator = context['paginator']
page_obj = context['page_obj']
+ page_suffix = context.get('page_suffix', '')
page_range = paginator.page_range
- # Calculate the record range in the current page for display.
- records = {'first': 1 + (page_obj.number - 1) * paginator.per_page}
- records['last'] = records['first'] + paginator.per_page - 1
- if records['last'] + paginator.orphans >= paginator.count:
- records['last'] = paginator.count
# First and last are simply the first *n* pages and the last *n* pages,
# where *n* is the current window size.
first = set(page_range[:window])
differenced.sort()
pages.extend(differenced)
to_return = {
- 'MEDIA_URL': settings.MEDIA_URL,
'pages': pages,
- 'records': records,
'page_obj': page_obj,
'paginator': paginator,
'is_paginated': paginator.count > paginator.per_page,
+ 'page_suffix': page_suffix,
}
if 'request' in context:
getvars = context['request'].GET.copy()
- if 'page' in getvars:
- del getvars['page']
+ if 'page%s' % page_suffix in getvars:
+ del getvars['page%s' % page_suffix]
if len(getvars.keys()) > 0:
to_return['getvars'] = "&%s" % getvars.urlencode()
else:
except KeyError, AttributeError:
return {}
-register.inclusion_tag('pagination/pagination.html', takes_context=True)(
- paginate)
+
+register.inclusion_tag(
+ 'pagination/pagination.html', takes_context=True)(paginate)
+
register.tag('autopaginate', do_autopaginate)