set
except NameError:
from sets import Set as set
+
from django import template
+from django.http import Http404
from django.core.paginator import Paginator, InvalidPage
from django.conf import settings
+from django.template.loader import select_template
+from django.template import Context
register = template.Library()
DEFAULT_PAGINATION = getattr(settings, 'PAGINATION_DEFAULT_PAGINATION', 20)
DEFAULT_WINDOW = getattr(settings, 'PAGINATION_DEFAULT_WINDOW', 4)
DEFAULT_ORPHANS = getattr(settings, 'PAGINATION_DEFAULT_ORPHANS', 0)
+INVALID_PAGE_RAISES_404 = getattr(settings,
+ 'PAGINATION_INVALID_PAGE_RAISES_404', False)
def do_autopaginate(parser, token):
"""
try:
context_var = split[as_index + 1]
except IndexError:
- raise template.TemplateSyntaxError("Context variable assignment " +\
- "must take the form of {%% %r object.example_set.all ... as " +\
+ raise template.TemplateSyntaxError("Context variable assignment " +
+ "must take the form of {%% %r object.example_set.all ... as " +
"context_var_name %%}" % split[0])
del split[as_index:as_index + 2]
if len(split) == 2:
try:
orphans = int(split[3])
except ValueError:
- raise template.TemplateSyntaxError(u'Got %s, but expected integer.' % split[3])
+ raise template.TemplateSyntaxError(u'Got %s, but expected integer.'
+ % split[3])
return AutoPaginateNode(split[1], paginate_by=split[2], orphans=orphans,
context_var=context_var)
else:
- raise template.TemplateSyntaxError('%r tag takes one required ' + \
+ raise template.TemplateSyntaxError('%r tag takes one required ' +
'argument and one optional argument' % split[0])
class AutoPaginateNode(template.Node):
try:
page_obj = paginator.page(context['request'].page)
except InvalidPage:
+ if INVALID_PAGE_RAISES_404:
+ raise Http404('Invalid page requested. If DEBUG were set to ' +
+ 'False, an HTTP 404 page would have been shown instead.')
context[key] = []
context['invalid_page'] = True
return u''
context['paginator'] = paginator
context['page_obj'] = page_obj
return u''
+
+
+class PaginateNode(template.Node):
-def paginate(context, window=DEFAULT_WINDOW):
+ def __init__(self, template=None):
+ self.template = template
+
+ def render(self, context):
+ template_list = ['pagination/pagination.html']
+ to_return = paginate(context)
+
+ if self.template:
+ template_list.insert(0, self.template)
+
+ t = select_template(template_list)
+ if not t:
+ return None
+ context = Context(to_return)
+ return t.render(context)
+
+
+def do_paginate(parser, token):
+ """
+ {% paginate [using] [template] %}
+
+ {% paginate %}
+ {% paginate using paginations/custom_pagination.html %}
+ """
+ argv = token.contents.split()
+ argc = len(argv)
+
+ if argc > 3:
+ raise template.TemplateSyntaxError, "Tag %s takes at most 2 argument." % argv[0]
+
+ if argc == 1:
+ return PaginateNode()
+ if argc == 3 and argv[1] == 'using':
+ return PaginateNode(template=argv[2])
+
+ raise template.TemplateSyntaxError, "Tag %s is invalid. Please check the syntax" % argv[0]
+
+
+def paginate(context, window=DEFAULT_WINDOW, hashtag=''):
"""
Renders the ``pagination/pagination.html`` template, resulting in a
Digg-like display of the available pages, given the current page. If there
paginator = context['paginator']
page_obj = context['page_obj']
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,
+ 'hashtag': hashtag,
'is_paginated': paginator.count > paginator.per_page,
}
if 'request' in context:
+ to_return['request'] = context['request']
getvars = context['request'].GET.copy()
if 'page' in getvars:
del getvars['page']
else:
to_return['getvars'] = ''
return to_return
- except KeyError, AttributeError:
+ 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('paginate', do_paginate)
register.tag('autopaginate', do_autopaginate)
fnp / django-pagination.git / blobdiff