+# Copyright (c) 2008, Eric Florenzano
+# Copyright (c) 2010, 2011 Linaro Limited
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of the author nor the names of other
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
from django.core.paginator import Paginator, Page, PageNotAnInteger, EmptyPage
+
class InfinitePaginator(Paginator):
"""
Paginator designed for cases when it's not important to know how many total
- pages. This is useful for any object_list that has no count() method or can
- be used to improve performance for MySQL by removing counts.
+ pages. This is useful for any object_list that has no count() method or
+ can be used to improve performance for MySQL by removing counts.
The orphans parameter has been removed for simplicity and there's a link
template string for creating the links to the next and previous pages.
def __init__(self, object_list, per_page, allow_empty_first_page=True,
link_template='/page/%d/'):
- orphans = 0 # no orphans
+ orphans = 0 # no orphans
super(InfinitePaginator, self).__init__(object_list, per_page, orphans,
allow_empty_first_page)
# no count or num pages
Checks for one more item than last on this page.
"""
try:
- next_item = self.paginator.object_list[
- self.number * self.paginator.per_page]
+ self.paginator.object_list[self.number * self.paginator.per_page]
except IndexError:
return False
return True
return self.paginator.link_template % (self.number - 1)
return None
+
class FinitePaginator(InfinitePaginator):
"""
Paginator for cases when the list of items is already finite.
page_items = self.object_list[:self.per_page]
return FinitePage(page_items, number, self)
+
class FinitePage(InfinitePage):
def has_next(self):
Checks for one more item than last on this page.
"""
try:
- next_item = self.paginator.object_list[self.paginator.per_page]
+ self.paginator.object_list[self.paginator.per_page]
except IndexError:
return False
return True
relative to total objects in the paginator.
"""
## TODO should this holler if you haven't defined the offset?
- return self.paginator.offset
\ No newline at end of file
+ return self.paginator.offset
fnp / django-pagination.git / blobdiff