def navigation_widget_items(context, request, name=''):
"""Views for the "items" display type, a term used to avoid confusion
that comes with calling this a "list" -- there are horizontal lists and
there are vertical aspect lists. We distinguish here that the following
views are not recursive and tree-like. They offer a limited list of
items for the current context.
- They each use the general navigation_widget_items() view function.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
settings = navigation_settings()
display_type = settings['{0}_display_type'.format(location)]
show_menu = asbool(settings['{0}_show_menu'.format(location)])
label = parse_label(context.title, settings['{0}_label'.format(location)])
nav_class = 'nav nav-tabs'
dropdowns = False
if 'hor_' in display_type:
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
nav_class = 'nav nav-{0}'.format(tabs_or_pills)
dropdowns = True if display_type.endswith('downs') else False
elif display_type == 'ver_list':
nav_class = 'nav nav-list'
dropdowns = True if display_type.endswith('downs') else False
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
items = get_children(context, request, location)
allowed_children = []
for item in items:
ac = get_children(item, request, location)
allowed_children.append(ac if ac else [])
return {'location': location,
'items': items,
'display_type': display_type,
'nav_class': nav_class,
'use_container_class': use_container_class,
'show_menu': show_menu,
'allowed_children': allowed_children,
'label': label,
'show_item_dropdowns': dropdowns,
}
def get_lineage(context, request, location):
# [TODO] Move these function calls out to caller.
user = get_user(request)
settings = navigation_settings()
show_hidden = asbool(
settings['{0}_show_hidden_while_logged_in'.format(location)])
content_types_to_include = \
settings['{0}_include_content_types'.format(location)]
content_types_to_exclude = \
settings['{0}_exclude_content_types'.format(location)]
if show_hidden and user:
if content_types_to_include:
items = [item for item in list(lineage(context))
if item.__class__ not in content_types_to_exclude
and item.__class__ in content_types_to_include]
else:
items = [item for item in list(lineage(context))
if item.__class__ not in content_types_to_exclude]
else:
if content_types_to_include:
items = [item for item in list(lineage(context))
if item.__class__ in content_types_to_include
and item.in_navigation
and item.__class__ not in content_types_to_exclude]
else:
items = [item for item in list(lineage(context))
if item.in_navigation
and item.__class__ not in content_types_to_exclude]
return items
def navigation_widget_menu(context, request, name=''):
"""Views for the "menu" display type, which consists of a single button
with a dropdown for presenting a full site context menu.
- They each use the general navigation_widget_menu() view function.
- The menu can be used standalone as the only nav display in a given
location, or it can be combined with a label and/or another display
type, e.g. a horizontal items nav display.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
root = get_root()
settings = navigation_settings()
include_root = asbool(settings['{0}_include_root'.format(location)])
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
items = get_children(context, request, location)
top_level_items = get_children(root, request, location)
# The lineage function of pyramid is used to make a breadcrumbs-style
# display for the context menu.
lineage_items = get_lineage(context, request, location)
if not include_root and root in lineage_items:
lineage_items.remove(root)
# The lineage comes back in root-last order, so reverse.
lineage_items.reverse()
# The lineage (breadcrumbs style) display in navigation.pt shows
# lineage_items in an indented dropdown list, and below that has a li
# repeat on items, indented beneath context.
return {
'root': root,
'location': location,
'items': items,
'use_container_class': use_container_class,
'include_root': include_root,
'top_level_items': top_level_items,
'lineage_items': lineage_items
}
def navigation_widget_menu(context, request, name=''):
"""Views for the "menu" display type, which consists of a single button
with a dropdown for presenting a full site context menu.
- They each use the general navigation_widget_menu() view function.
- The menu can be used standalone as the only nav display in a given
location, or it can be combined with a label and/or another display
type, e.g. a horizontal items nav display.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
root = get_root()
settings = navigation_settings()
include_root = asbool(settings['{0}_include_root'.format(location)])
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
items = get_children(context, request, location)
top_level_items = get_children(root, request, location)
# The lineage function of pyramid is used to make a breadcrumbs-style
# display for the context menu.
lineage_items = get_lineage(context, request, location)
if not include_root and root in lineage_items:
lineage_items.remove(root)
# The lineage comes back in root-last order, so reverse.
lineage_items.reverse()
# The lineage (breadcrumbs style) display in navigation.pt shows
# lineage_items in an indented dropdown list, and below that has a li
# repeat on items, indented beneath context.
return {'root': root,
'location': location,
'items': items,
'use_container_class': use_container_class,
'include_root': include_root,
'top_level_items': top_level_items,
'lineage_items': lineage_items}
def get_lineage(context, request):
settings = navigation_settings()
user = get_user(request)
show_hidden = asbool(settings['show_hidden_while_logged_in'])
ex_cts = settings['exclude_content_types']
if show_hidden and user:
items = [item for item in list(lineage(context))
if item.__class__ not in ex_cts]
else:
items = [item for item in list(lineage(context))
if item.in_navigation and item.__class__ not in ex_cts]
return items
def get_children(context, request):
settings = navigation_settings()
user = get_user(request)
show_hidden = asbool(settings['show_hidden_while_logged_in'])
ex_cts = settings['exclude_content_types']
if show_hidden and user:
children = [c for c in context.children_with_permission(request)
if c.__class__ not in ex_cts]
else:
children = [c for c in context.children_with_permission(request)
if c.in_navigation and c.__class__ not in ex_cts]
return children
def get_children(context, request, location):
"""Returns the children of a given context depending on the
global settings and the optional location.
"""
# [TODO] Move these function calls out to caller.
user = get_user(request)
settings = navigation_settings()
show_hidden = asbool(
settings['{0}_show_hidden_while_logged_in'.format(location)])
content_types_to_include = \
settings['{0}_include_content_types'.format(location)]
content_types_to_exclude = \
settings['{0}_exclude_content_types'.format(location)]
if show_hidden and user:
if content_types_to_include:
children = [
c for c in context.children_with_permission(request)
if c.type_info.name not in content_types_to_exclude
and c.type_info.name in content_types_to_include
]
else:
children = [
c for c in context.children_with_permission(request)
if c.type_info.name not in content_types_to_exclude
]
else:
if content_types_to_include:
children = \
[c for c in context.children_with_permission(request)
if c.type_info.name in content_types_to_include
and c.in_navigation
and c.type_info.name not in content_types_to_exclude]
else:
children = \
[c for c in context.children_with_permission(request)
if c.in_navigation
and c.type_info.name not in content_types_to_exclude]
return children
def navigation_widget_breadcrumbs(context, request, name=''):
"""Views for the "breadcrumbs" display type, which is essentially the
same as Kotti's default breadcrumbs display, except that here you have
control of the associated label.
- They each use the general navigation_widget_breadcrumbs() function.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
root = get_root()
settings = navigation_settings()
include_root = asbool(settings['{0}_include_root'.format(location)])
label = parse_label(context.title, settings['{0}_label'.format(location)])
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
lineage_items = get_lineage(context, request, location)
if not include_root and root in lineage_items:
lineage_items.remove(root)
lineage_items.reverse()
return {
'location': location,
'use_container_class': use_container_class,
'label': label,
'lineage_items': lineage_items
}
def get_lineage(context, request, location):
# [TODO] Move these function calls out to caller.
user = get_user(request)
settings = navigation_settings()
show_hidden = asbool(
settings['{0}_show_hidden_while_logged_in'.format(location)])
content_types_to_include = \
settings['{0}_include_content_types'.format(location)]
content_types_to_exclude = \
settings['{0}_exclude_content_types'.format(location)]
if show_hidden and user:
if content_types_to_include:
items = [
item for item in list(lineage(context))
if item.type_info.name not in content_types_to_exclude
and item.type_info.name in content_types_to_include
]
else:
items = [
item for item in list(lineage(context))
if item.type_info.name not in content_types_to_exclude
]
else:
if content_types_to_include:
items = [
item for item in list(lineage(context))
if item.type_info.name in content_types_to_include
and item.in_navigation
and item.type_info.name not in content_types_to_exclude
]
else:
items = [
item for item in list(lineage(context)) if item.in_navigation
and item.type_info.name not in content_types_to_exclude
]
return items
def nav_recurse(context, request):
"""Recursive view for the "tree" display type.
"""
if 'navigation-widget' in request.path:
location = location_from_path(request.path)
else:
location = 'top'
settings = navigation_settings()
display_type = settings['{0}_display_type'.format(location)]
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
tree_is_open_all = True if display_type.endswith('open_all') else False
return {'location': location,
'tree_is_open_all': tree_is_open_all,
'is_node_open': is_node_open,
'nav_class': 'nav nav-{0} {0}-stacked'.format(tabs_or_pills),
'children': get_children(context, request, location),
}
def get_children(context, request, location):
"""Returns the children of a given context depending on the
global settings and the optional location.
"""
# [TODO] Move these function calls out to caller.
user = get_user(request)
settings = navigation_settings()
show_hidden = asbool(
settings['{0}_show_hidden_while_logged_in'.format(location)])
content_types_to_include = \
settings['{0}_include_content_types'.format(location)]
content_types_to_exclude = \
settings['{0}_exclude_content_types'.format(location)]
if show_hidden and user:
if content_types_to_include:
children = [c for c in context.children_with_permission(request)
if c.type_info.name not in content_types_to_exclude
and c.type_info.name in content_types_to_include]
else:
children = [c for c in context.children_with_permission(request)
if c.type_info.name not in
content_types_to_exclude]
else:
if content_types_to_include:
children = \
[c for c in context.children_with_permission(request)
if c.type_info.name in content_types_to_include
and c.in_navigation
and c.type_info.name not in content_types_to_exclude]
else:
children = \
[c for c in context.children_with_permission(request)
if c.in_navigation
and c.type_info.name not in content_types_to_exclude]
return children
def nav_recurse(context, request):
"""Recursive view for the "tree" display type.
"""
if 'navigation-widget' in request.path:
location = location_from_path(request.path)
else:
location = 'top'
settings = navigation_settings()
display_type = settings['{0}_display_type'.format(location)]
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
tree_is_open_all = True if display_type.endswith('open_all') else False
return {
'location': location,
'tree_is_open_all': tree_is_open_all,
'is_node_open': is_node_open,
'nav_class': 'nav nav-{0} {0}-stacked'.format(tabs_or_pills),
'children': get_children(context, request, location),
}
def navigation_widget_breadcrumbs(context, request, name=''):
"""Views for the "breadcrumbs" display type, which is essentially the
same as Kotti's default breadcrumbs display, except that here you have
control of the associated label.
- They each use the general navigation_widget_breadcrumbs() function.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
root = get_root()
settings = navigation_settings()
include_root = asbool(settings['{0}_include_root'.format(location)])
label = parse_label(context.title, settings['{0}_label'.format(location)])
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
lineage_items = get_lineage(context, request, location)
if not include_root and root in lineage_items:
lineage_items.remove(root)
lineage_items.reverse()
return {'location': location,
'use_container_class': use_container_class,
'label': label,
'lineage_items': lineage_items}
def is_tree_open(item, request):
""" Check if the tree should be opened for the given item.
"""
# if all_open is true this is always True
if asbool(navigation_settings()['open_all']):
return True
context = request.context
root = get_root()
is_tree_open = False
while 1:
if item == context:
is_tree_open = True
break
if root == context:
break
if not hasattr(context, '__parent__'):
break
context = context.__parent__
return is_tree_open
def navigation_widget_tree(context, request, name=''):
"""Views for display type "tree", continued:
- These are the main views for the tree display type, each using the
general navigation_widget_tree() view function.
- The nav recurse view above is called from nav_widget_tree.pt,
used in each of these.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
root = get_root()
settings = navigation_settings()
# Set defaults:
display_type = 'ver_tabs_stacked'
include_root = False
show_menu = False
label = ''
display_type_key = '{0}_display_type'.format(location)
if display_type_key in settings:
display_type = settings[display_type_key]
include_root_key = '{0}_include_root'.format(location)
if include_root_key in settings:
include_root = asbool(settings[include_root_key])
show_menu_key = '{0}_show_menu'.format(location)
if show_menu_key in settings:
show_menu = asbool(settings[show_menu_key])
label_key = '{0}_label'.format(location)
if label_key in settings:
label = parse_label(context.title, settings[label_key])
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
items = get_children(root, request, location)
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
nav_class = 'nav nav-{0} nav-stacked'.format(tabs_or_pills)
tree_is_open_all = True if display_type.endswith('open_all') else False
return {
'location': location,
'root': root,
'display_type': display_type,
'include_root': include_root,
'show_menu': show_menu,
'nav_class': nav_class,
'tree_is_open_all': tree_is_open_all,
'is_node_open': is_node_open,
'use_container_class': use_container_class,
'items': items,
'label': label
}
def navigation_widget_top(context, request, name=''):
"""View for the special-case top location, which must be handled this way
because Kotti's own default nav display must be overridden, and because
the top location is not a simple "slot." It consists of a navbar at the
very top, and a div location underneath that, as used here. The menu
(represented by a single button) is appropriate for use within the
navbar, but not so for the other display types, which are put in the div
underneath.
The driver for these views is the overridden nav.pt, which you will find
in /kotti-overrides/templates/view/nav.pt.
"""
settings = navigation_settings()
display_type = settings['top_display_type']
include_root = False
label = ''
show_menu = False
if 'top_include_root' in settings:
include_root = asbool(settings['top_include_root'])
if 'top_label' in settings:
label = parse_label(context.title, settings['top_label'])
if 'top_show_menu' in settings:
show_menu = asbool(settings['top_show_menu'])
top_properties = {}
if 'hor_' in display_type:
tree_properties = navigation_widget_items(
context, request, name='navigation-widget-items-top')
elif display_type == 'ver_list':
tree_properties = navigation_widget_items(
context, request, name='navigation-widget-items-top')
elif 'ver_' in display_type:
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
tree_is_open_all = True if display_type.endswith('open_all') else False
tree_properties = navigation_widget_tree(
context, request, name='navigation-widget-tree-top')
tree_properties['nav_class'] = \
'nav nav-{0} nav-stacked'.format(tabs_or_pills)
tree_properties['tree_is_open_all'] = tree_is_open_all
tree_properties['is_node_open'] = is_node_open
top_properties = tree_properties
elif display_type == 'breadcrumbs':
top_properties = navigation_widget_breadcrumbs(
context, request, name='navigation-widget-breadcrumbs-top')
elif display_type == 'menu':
top_properties = navigation_widget_menu(
context, request, name='navigation-widget-menu-top')
top_properties['location'] = 'top'
top_properties['display_type'] = display_type
top_properties['include_root'] = include_root
top_properties['label'] = label
top_properties['show_menu'] = show_menu
return top_properties
def navigation_widget_items(context, request, name=''):
"""Views for the "items" display type, a term used to avoid confusion
that comes with calling this a "list" -- there are horizontal lists and
there are vertical aspect lists. We distinguish here that the following
views are not recursive and tree-like. They offer a limited list of
items for the current context.
- They each use the general navigation_widget_items() view function.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
settings = navigation_settings()
display_type = settings['{0}_display_type'.format(location)]
show_menu = asbool(settings['{0}_show_menu'.format(location)])
label = parse_label(context.title, settings['{0}_label'.format(location)])
nav_class = 'nav nav-tabs'
dropdowns = False
if 'hor_' in display_type:
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
nav_class = 'nav nav-{0}'.format(tabs_or_pills)
dropdowns = True if display_type.endswith('downs') else False
elif display_type == 'ver_list':
nav_class = 'nav nav-list'
dropdowns = True if display_type.endswith('downs') else False
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
items = get_children(context, request, location)
allowed_children = []
for item in items:
ac = get_children(item, request, location)
allowed_children.append(ac if ac else [])
return {
'location': location,
'items': items,
'display_type': display_type,
'nav_class': nav_class,
'use_container_class': use_container_class,
'show_menu': show_menu,
'allowed_children': allowed_children,
'label': label,
'show_item_dropdowns': dropdowns,
}
def navigation_widget_tree(context, request, name=''):
"""Views for display type "tree", continued:
- These are the main views for the tree display type, each using the
general navigation_widget_tree() view function.
- The nav recurse view above is called from nav_widget_tree.pt,
used in each of these.
"""
# Assume top location, unless name or request.path are available.
location = 'top'
if name:
location = name[name.rfind('-') + 1:]
elif 'navigation-widget' in request.path:
location = location_from_path(request.path)
resource_group.need()
root = get_root()
settings = navigation_settings()
# Set defaults:
display_type = 'ver_tabs_stacked'
include_root = False
show_menu = False
label = ''
display_type_key = '{0}_display_type'.format(location)
if display_type_key in settings:
display_type = settings[display_type_key]
include_root_key = '{0}_include_root'.format(location)
if include_root_key in settings:
include_root = asbool(settings[include_root_key])
show_menu_key = '{0}_show_menu'.format(location)
if show_menu_key in settings:
show_menu = asbool(settings[show_menu_key])
label_key = '{0}_label'.format(location)
if label_key in settings:
label = parse_label(context.title, settings[label_key])
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if location == 'beforebodyend' else False
items = get_children(root, request, location)
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
nav_class = 'nav nav-{0} nav-stacked'.format(tabs_or_pills)
tree_is_open_all = True if display_type.endswith('open_all') else False
return {'location': location,
'root': root,
'display_type': display_type,
'include_root': include_root,
'show_menu': show_menu,
'nav_class': nav_class,
'tree_is_open_all': tree_is_open_all,
'is_node_open': is_node_open,
'use_container_class': use_container_class,
'items': items,
'label': label}
def navigation_widget_top(context, request, name=''):
"""View for the special-case top location, which must be handled this way
because Kotti's own default nav display must be overridden, and because
the top location is not a simple "slot." It consists of a navbar at the
very top, and a div location underneath that, as used here. The menu
(represented by a single button) is appropriate for use within the
navbar, but not so for the other display types, which are put in the div
underneath.
The driver for these views is the overridden nav.pt, which you will find
in /kotti-overrides/templates/view/nav.pt.
"""
settings = navigation_settings()
display_type = settings['top_display_type']
include_root = False
label = ''
show_menu = False
if 'top_include_root' in settings:
include_root = asbool(settings['top_include_root'])
if 'top_label' in settings:
label = parse_label(context.title, settings['top_label'])
if 'top_show_menu' in settings:
show_menu = asbool(settings['top_show_menu'])
top_properties = {}
if 'hor_' in display_type:
tree_properties = navigation_widget_items(
context, request, name='navigation-widget-items-top')
elif display_type == 'ver_list':
tree_properties = navigation_widget_items(
context, request, name='navigation-widget-items-top')
elif 'ver_' in display_type:
tabs_or_pills = 'tabs' if 'tabs' in display_type else 'pills'
tree_is_open_all = True if display_type.endswith('open_all') else False
tree_properties = navigation_widget_tree(
context, request, name='navigation-widget-tree-top')
tree_properties['nav_class'] = \
'nav nav-{0} nav-stacked'.format(tabs_or_pills)
tree_properties['tree_is_open_all'] = tree_is_open_all
tree_properties['is_node_open'] = is_node_open
top_properties = tree_properties
elif display_type == 'breadcrumbs':
top_properties = navigation_widget_breadcrumbs(
context, request, name='navigation-widget-breadcrumbs-top')
elif display_type == 'menu':
top_properties = navigation_widget_menu(
context, request, name='navigation-widget-menu-top')
top_properties['location'] = 'top'
top_properties['display_type'] = display_type
top_properties['include_root'] = include_root
top_properties['label'] = label
top_properties['show_menu'] = show_menu
return top_properties
def navigation_widget(context, request, name=''):
resource_group.need()
settings = navigation_settings()
root = get_root()
top_level_items = []
include_root = asbool(settings['include_root'])
display_type = settings['display_type']
slot = settings['slot']
show_context_menu = asbool(settings['show_context_menu'])
show_dropdown_menus = asbool(settings['show_dropdown_menus'])
label = settings['label']
before_context = ''
after_context = ''
if display_type == 'tree':
items = get_children(root, request)
else:
top_level_items = get_children(root, request)
items = get_children(context, request)
if label:
label_lower = label.lower()
if label_lower == 'context':
label = context.title
elif ('context' in label
or 'Context' in label
or 'CONTEXT' in label):
before_context, after_context = split_label_on_context(label)
label = before_context + context.title + after_context
# When the nav display is set to the beforebodyend slot, the class for the
# containing div needs to be 'container' so it fits to the middle span12
# area for content. When nav is in any of the other slots, no class is
# needed, because the inherited CSS works to fit nav to the slot.
use_container_class = True if slot == 'beforebodyend' else False
allowed_children = []
for item in items:
ac = get_children(item, request)
allowed_children.append(ac if ac else [])
# The lineage function of pyramid is used to make a breadcrumbs-style
# display for the context menu.
lineage_items = get_lineage(context, request)
if not include_root:
lineage_items.remove(root)
# The lineage comes back in root-last order, so reverse.
lineage_items.reverse()
# The lineage (breadcrumbs style) display in navigation.pt shows
# lineage_items in an indented dropdown list, and below that has a li
# repeat on items, indented beneath context.
return {'root': root,
'slot': slot,
'use_container_class': use_container_class,
'include_root': include_root,
'display_type': display_type,
'items': items,
'show_context_menu': show_context_menu,
'top_level_items': top_level_items,
'lineage_items': lineage_items,
'allowed_children': allowed_children,
'label': label,
'show_dropdown_menus': show_dropdown_menus,
}