Use this, if you want to "activate" menu items by URL. Typical usage is with CSS class 'active'.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | ### in context processors ###
from django.core.urlresolvers import reverse, resolve
def get_view(name, *args, **kwargs):
return resolve(reverse(name, args=args, kwargs=kwargs))[0]
class ActiveMenu(object):
""" mapping urls to selected menu items """
url_map = {
get_view('admin:customer_customer_add'): 'customer',
get_view('admin:customer_customer_change', 0): 'customer',
get_view('admin:customer_customer_changelist'): 'customer',
get_view('admin:product_product_add'): 'product',
get_view('admin:product_product_change', 0): 'product',
get_view('admin:product_product_changelist'): 'product',
}
def __init__(self, request):
self.active = self.url_map.get(resolve(request.path)[0])
def __getattr__(self, name):
return self.active == name
def menu(request):
""" enable this context processor in settings.py """
return { 'menu': ActiveMenu(request) }
### in templatetags ###
@register.simple_tag
def active(menu):
return u'active' if menu else u''
### in template ###
<a href="{% url admin:customer_customer_add }" class="{% active menu.customer %}">Customer</a>
<a href="{% url admin:product_product_add }" class="{% active menu.product %}">Product</a>
|
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