def show_more(context, label=None, loading=settings.LOADING):
"""Show the link to get the next page in a Twitter-like pagination.
Usage::
{% show_more %}
Alternatively you can override the label passed to the default template::
{% show_more "even more" %}
You can override the loading text too::
{% show_more "even more" "working" %}
Must be called after ``{% paginate objects %}``.
"""
# This template tag could raise a PaginationError: you have to call
# *paginate* or *lazy_paginate* before including the showmore template.
data = utils.get_data_from_context(context)
page = data['page']
querystring_key = data['querystring_key']
request = context['request']
page_info = {}
# show the template only if there is a next page
if page.has_next():
page_number = page.next_page_number()
# Generate the querystring.
querystring = utils.get_querystring_for_page(
request, page_number, querystring_key,
default_number=data['default_number'])
page_info.update({
'label': label,
'loading': loading,
'path': iri_to_uri(data['override_path'] or request.path),
'querystring': querystring,
'querystring_key': querystring_key,
'request': request,
})
context['next_querystring'] = querystring
if page.has_previous():
page_number = page.previous_page_number()
querystring = utils.get_querystring_for_page(
request, page_number, querystring_key,
default_number=data['default_number'])
context['previous_querystring'] = querystring
# No next page, nothing to see.
return page_info
def show_more(context, label=None):
"""
Show the link to get the next page in a Twitter-like pagination.
Usage::
{% show_more %}
Alternatively you can override the label passed to the
default template::
{% show_more "even more" %}
Must be called after {% paginate objects %}.
"""
# this can raise a PaginationError
# (you have to call paginate before including the show more template)
page = utils.get_page_from_context(context)
# show the template only if there is a next page
if page.has_next():
request = context["request"]
page_number = page.next_page_number()
# querystring
querystring_key = context["endless_querystring_key"]
querystring = utils.get_querystring_for_page(request, page_number,
querystring_key, default_number=context["endless_default_number"])
return {
'path': context["endless_override_path"] or request.path,
'querystring_key': querystring_key,
'querystring': querystring,
'loading': settings.LOADING,
'label': label,
}
# no next page, nothing to see
return {}
def show_more_table(context, label=None, loading=endless_settings.LOADING):
# this can raise a PaginationError
# (you have to call paginate before including the show more template)
page = utils.get_page_from_context(context)
# show the template only if there is a next page
if page.has_next():
request = context["request"]
page_number = page.next_page_number()
# querystring
querystring_key = context["endless_querystring_key"]
querystring = utils.get_querystring_for_page(
request,
page_number,
querystring_key,
default_number=context["endless_default_number"])
return {
'path': context["endless_override_path"] or request.path,
'querystring_key': querystring_key,
'querystring': querystring,
'loading': loading,
'label': label,
'request': request,
}
# no next page, nothing to see
return {}
def __init__(self,
request,
number,
current_number,
total_number,
querystring_key,
label=None,
default_number=1,
override_path=None):
self._request = request
self.number = number
self.current_number = current_number
self.label = utils.text(number) if label is None else label
self.querystring_key = querystring_key
self.is_current = number == current_number
self.is_first = number == 1
self.is_last = number == total_number
self.url = utils.get_querystring_for_page(
request,
number,
self.querystring_key,
default_number=default_number)
path = iri_to_uri(override_path or request.path)
self.path = '{0}{1}'.format(path, self.url)
def test_default_page(self):
# Ensure the querystring is empty for the default page.
request = self.factory.get('/')
querystring = utils.get_querystring_for_page(request,
3,
'mypage',
default_number=3)
self.assertEqual('', querystring)
def __init__(self, request, number, current_number, total_number,
querystring_key, label=None, default_number=1, override_path=None):
self.number = number
self.label = unicode(number) if label is None else label
self.querystring_key = querystring_key
self.is_current = number == current_number
self.is_first = number == 1
self.is_last = number == total_number
self.url = utils.get_querystring_for_page(request, number,
self.querystring_key, default_number=default_number)
self.path = "%s%s" % (override_path or request.path, self.url)
def _render_show_more(data, label, loading, page_number, request):
# Generate the querystring.
querystring_key = data['querystring_key']
querystring = utils.get_querystring_for_page(
request, page_number, querystring_key,
default_number=data['default_number'])
return {
'label': label,
'loading': loading,
'path': iri_to_uri(data['override_path'] or request.path),
'querystring': querystring,
'querystring_key': querystring_key,
'request': request,
}
def __init__(
self, request, number, current_number, total_number,
querystring_key, label=None, default_number=1, override_path=None):
self._request = request
self.number = number
self.label = utils.text(number) if label is None else label
self.querystring_key = querystring_key
self.is_current = number == current_number
self.is_first = number == 1
self.is_last = number == total_number
self.url = utils.get_querystring_for_page(
request, number, self.querystring_key,
default_number=default_number)
path = iri_to_uri(override_path or request.path)
self.path = '{0}{1}'.format(path, self.url)
def show_more(context, label=None, loading=settings.LOADING, class_name=None):
"""Show the link to get the next page in a Twitter-like pagination.
Usage::
{% show_more %}
Alternatively you can override the label passed to the default template::
{% show_more "even more" %}
You can override the loading text too::
{% show_more "even more" "working" %}
You could pass in the extra CSS style class name as a third argument
{% show_more "even more" "working" "class_name" %}
Must be called after ``{% paginate objects %}``.
"""
# This template tag could raise a PaginationError: you have to call
# *paginate* or *lazy_paginate* before including the showmore template.
data = utils.get_data_from_context(context)
page = data['page']
# show the template only if there is a next page
if page.has_next():
request = context['request']
page_number = page.next_page_number()
# Generate the querystring.
querystring_key = data['querystring_key']
querystring = utils.get_querystring_for_page(
request, page_number, querystring_key,
default_number=data['default_number'])
return {
'label': label,
'loading': loading,
'class_name': class_name,
'path': iri_to_uri(data['override_path'] or request.path),
'querystring': querystring,
'querystring_key': querystring_key,
'request': request,
}
# No next page, nothing to see.
return {}
def show_more(context, label=None, loading=settings.LOADING):
"""
Show the link to get the next page in a Twitter-like pagination.
Usage::
{% show_more %}
Alternatively you can override the label passed to the
default template::
{% show_more "even more" %}
You can override the loading text too::
{% show_more "even more" "working" %}
Must be called after {% paginate objects %}.
"""
# this can raise a PaginationError
# (you have to call paginate before including the show more template)
page = utils.get_page_from_context(context)
# show the template only if there is a next page
if page.has_next():
request = context["request"]
page_number = page.next_page_number()
# querystring
querystring_key = context["endless_querystring_key"]
querystring = utils.get_querystring_for_page(
request,
page_number,
querystring_key,
default_number=context["endless_default_number"])
return {
'path': context["endless_override_path"] or request.path,
'querystring_key': querystring_key,
'querystring': querystring,
'loading': loading,
'label': label,
'request': request,
}
# no next page, nothing to see
return {}
def show_more_table(context, label=None, loading=endless_settings.LOADING):
# this can raise a PaginationError
# (you have to call paginate before including the show more template)
page = utils.get_page_from_context(context)
# show the template only if there is a next page
if page.has_next():
request = context["request"]
page_number = page.next_page_number()
# querystring
querystring_key = context["endless_querystring_key"]
querystring = utils.get_querystring_for_page(request, page_number,
querystring_key, default_number=context["endless_default_number"])
return {
'path': context["endless_override_path"] or request.path,
'querystring_key': querystring_key,
'querystring': querystring,
'loading': loading,
'label': label,
'request': request,
}
# no next page, nothing to see
return {}
def __init__(self,
request,
number,
current_number,
total_number,
querystring_key,
label=None,
default_number=1,
override_path=None):
self.number = number
self.label = unicode(number) if label is None else label
self.querystring_key = querystring_key
self.is_current = number == current_number
self.is_first = number == 1
self.is_last = number == total_number
self.url = utils.get_querystring_for_page(
request,
number,
self.querystring_key,
default_number=default_number)
self.path = "%s%s" % (override_path or request.path, self.url)
def test_querystring_key(self):
# The querystring key is deleted from the querystring if present.
request = self.factory.get('/?querystring_key=mykey')
querystring = utils.get_querystring_for_page(request, 5, 'mypage')
self.assertEqual('?mypage=5', querystring)
def test_composition(self):
# Ensure existing querystring is correctly preserved.
request = self.factory.get('/?mypage=1&foo=bar')
querystring = utils.get_querystring_for_page(request, 4, 'mypage')
self.assertIn('mypage=4', querystring)
self.assertIn('foo=bar', querystring)
def test_default_page(self):
# Ensure the querystring is empty for the default page.
request = self.factory.get('/')
querystring = utils.get_querystring_for_page(
request, 3, 'mypage', default_number=3)
self.assertEqual('', querystring)
def test_querystring(self):
# Ensure the querystring is correctly generated from request.
request = self.factory.get('/')
querystring = utils.get_querystring_for_page(request, 2, 'mypage')
self.assertEqual('?mypage=2', querystring)
def per_page_url(self, count):
return utils.get_querystring_for_page(self._request,
self.number,
self.querystring_key,
default_number=1,
per_page=count)
def test_querystring(self):
# Ensure the querystring is correctly generated from request.
request = self.factory.get('/')
querystring = utils.get_querystring_for_page(request, 2, 'mypage')
self.assertEqual('?mypage=2', querystring)
def per_page_url(self, count):
return utils.get_querystring_for_page(
self._request, self.number, self.querystring_key,
default_number=1, per_page=count)
def test_composition(self):
# Ensure existing querystring is correctly preserved.
request = self.factory.get('/?mypage=1&foo=bar')
querystring = utils.get_querystring_for_page(request, 4, 'mypage')
self.assertIn('mypage=4', querystring)
self.assertIn('foo=bar', querystring)
def test_querystring_key(self):
# The querystring key is deleted from the querystring if present.
request = self.factory.get('/?querystring_key=mykey')
querystring = utils.get_querystring_for_page(request, 5, 'mypage')
self.assertEqual('?mypage=5', querystring)
