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96 | from models import get_navtree, get_navbar
from django.conf import settings
MAX_DEPTH = getattr(settings, 'NAVBAR_MAX_DEPTH', -1)
MARK_SELECTED = getattr(settings, 'NAVBAR_MARK_SELECTED', True)
SHOW_DEPTH = getattr(settings, 'NAVBAR_SHOW_DEPTH', -1)
CRUMBS_STRIP_ROOT = getattr(settings, 'NAVBAR_CRUMBS_STRIP_ROOT', True)
CRUMBS_HOME = getattr(settings, 'NAVBAR_CRUMBS_HOME', 'home')
def crumbs(request):
"""adds the path 'crumbs'
crumbs have the format of:
[ {'name': 'foo', 'path': '/foo'},
{'name': 'bar', 'path': '/foo/bar'},
{'name': 'bing', 'path': '/foo/bar/bing'} ]
"""
rooturl = getattr(settings, 'ROOT_URL', '')
assert(request.path.startswith(rooturl))
if request.path != '/':
# split the path into the names /name1/name2/name3
crumb_names = request.path.strip('/').split('/')
else:
crumb_names = []
crumbs = [ {'name': name, 'path': '/' + '/'.join(crumb_names[:ind+1]) + '/'}
for ind, name in enumerate(crumb_names) ]
# complete the crumbs home setting, and pop off if there is no home set.
if CRUMBS_HOME:
home = { 'name': CRUMBS_HOME, 'path': '/' }
crumbs.insert(0, home)
# strip off the root (if there is one)
if rooturl.strip('/') and CRUMBS_STRIP_ROOT:
crumbs = crumbs[len(rooturl.strip('/').split('/')):]
if CRUMBS_HOME:
crumbs[0]['name'] = CRUMBS_HOME
return { 'crumbs': crumbs }
def navbar(request):
"""adds the variable 'navbar' to the context"
"""
navbar = get_navbar(request.user)
for ent in navbar: ent.selected = request.path.startswith(ent.url)
return { 'navbar': navbar }
def _mark_selected(path, byurl):
"""process the tree (flattened and sorted by url) to mark the entries
selected which appear on the path, as well as their parent entries.
"""
clear = []
check = path.startswith
for url, val in byurl:
pt = val['path_type']
if pt == 'N': continue
elif pt != 'A' and path != url: continue
elif check(url):
while val:
if val['selected']: break
if (val['path_type'] == 'N' or (val['path_type'] == 'E' and
path != val['url'])): clear.append(val)
val['selected'] = True
val = val['parent']
for ent in clear: ent['selected'] = False
def navbars(request):
"""adds the variable 'navbars' to the context"
"""
nav = get_navtree(request.user, MAX_DEPTH)
navbar = nav['tree']
_mark_selected(request.path, nav['byurl'])
navbars = [ navbar ]
found = True
while navbar and found:
found = False
for ent in navbar:
if ent['selected']:
navbar = ent['children']
if navbar: navbars.append(navbar)
found = True
break;
if SHOW_DEPTH > len(navbars):
navbars += [[]]*(SHOW_DEPTH - len(navbars))
return { 'navbars': navbars }
def navtree(request):
"""adds the variable 'navtree' to the context:
[ { 'name': 'about', 'title': 'All about the site',
'url': '/about/', 'children': [] },
{ 'name': 'news', 'title': 'Latest News',
'url': '/news/', 'children':
[ { 'name': 'August', 'title': 'August Archive',
'url': '/news/aug/', 'children': [] }, ]]
"""
navbar = get_navtree(request.user, MAX_DEPTH)
if MARK_SELECTED: _mark_selected(request.path, navbar['byurl'])
return {'navtree': navbar['tree']}
|
