125c133334
Add support to override settings of the FilteredSelectionForm via subclass attributes. Add keyword arguments to calls. Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>
69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
from __future__ import absolute_import, unicode_literals
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from pure_pagination import Paginator
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from pure_pagination.paginator import Page, PageRepresentation
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class PurePage(Page):
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"""
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Subclass of pure_pagination Page class to support configurable page
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querystring keys
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"""
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def __init__(self, object_list, number, paginator, page_kwarg='page'):
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self.object_list = object_list
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self.page_kwarg = page_kwarg
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self.paginator = paginator
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if paginator.request:
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# Reason: I just want to perform this operation once, and not once per page
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self.base_queryset = self.paginator.request.GET.copy()
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# self.base_queryset['page'] = 'page'
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# self.base_queryset = self.base_queryset.urlencode().replace(
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# '%', '%%').replace('page=page', 'page=%s')
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self.number = PageRepresentation(number, self._other_page_querystring(number))
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def _other_page_querystring(self, page_number):
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"""
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Returns a query string for the given page, preserving any
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GET parameters present.
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"""
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if self.paginator.request:
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self.base_queryset[self.page_kwarg] = page_number
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return self.base_queryset.urlencode()
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# raise Warning("You must supply Paginator() with the request object
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# for a proper querystring.")
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return '{}={}'.format(self.page_kwarg, page_number)
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class PurePaginator(Paginator):
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"""
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Subclass of pure_pagination Paaginator class to support configurable page
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querystring keys
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"""
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page_class = PurePage
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def __init__(self, object_list, per_page, allow_empty_first_page=True, orphans=0, page_kwarg='page', request=None):
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self._num_pages = self._count = None
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self.allow_empty_first_page = allow_empty_first_page
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self.object_list = object_list
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self.orphans = orphans
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self.page_kwarg = page_kwarg
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self.per_page = per_page
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self.request = request
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def page(self, number):
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"""
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Returns a Page object for the given 1-based page number.
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"""
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number = self.validate_number(number)
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bottom = (number - 1) * self.per_page
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top = bottom + self.per_page
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if top + self.orphans >= self.count:
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top = self.count
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return self.page_class(
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object_list=self.object_list[bottom:top], number=number,
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paginator=self, page_kwarg=self.page_kwarg
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)
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