def container_handler(request, usage_key_string):
"""
The restful handler for container xblock requests.
GET
html: returns the HTML page for editing a container
json: not currently supported
"""
if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
try:
usage_key = UsageKey.from_string(usage_key_string)
except InvalidKeyError: # Raise Http404 on invalid 'usage_key_string'
raise Http404
with modulestore().bulk_operations(usage_key.course_key):
try:
course, xblock, lms_link, preview_lms_link = _get_item_in_course(
request, usage_key)
except ItemNotFoundError:
return HttpResponseBadRequest()
component_templates = get_component_templates(course)
ancestor_xblocks = []
parent = get_parent_xblock(xblock)
action = request.GET.get('action', 'view')
is_unit_page = is_unit(xblock)
unit = xblock if is_unit_page else None
is_first = True
while parent:
if unit is None and is_unit(parent):
unit = parent
elif parent.category != 'sequential':
current_block = {
'block': parent,
'children': parent.get_children(),
'is_last': is_first
}
is_first = False
ancestor_xblocks.append(current_block)
parent = get_parent_xblock(parent)
ancestor_xblocks.reverse()
assert unit is not None, "Could not determine unit page"
subsection = get_parent_xblock(unit)
assert subsection is not None, "Could not determine parent subsection from unit " + six.text_type(
unit.location)
section = get_parent_xblock(subsection)
assert section is not None, "Could not determine ancestor section from unit " + six.text_type(
unit.location)
# for the sequence navigator
prev_url, next_url = get_sibling_urls(subsection)
# these are quoted here because they'll end up in a query string on the page,
# and quoting with mako will trigger the xss linter...
prev_url = quote_plus(prev_url) if prev_url else None
next_url = quote_plus(next_url) if next_url else None
# Fetch the XBlock info for use by the container page. Note that it includes information
# about the block's ancestors and siblings for use by the Unit Outline.
xblock_info = create_xblock_info(
xblock, include_ancestor_info=is_unit_page)
if is_unit_page:
add_container_page_publishing_info(xblock, xblock_info)
# need to figure out where this item is in the list of children as the
# preview will need this
index = 1
for child in subsection.get_children():
if child.location == unit.location:
break
index += 1
return render_to_response(
'container.html',
{
'language_code':
request.LANGUAGE_CODE,
'context_course':
course, # Needed only for display of menus at top of page.
'action':
action,
'xblock':
xblock,
'xblock_locator':
xblock.location,
'unit':
unit,
'is_unit_page':
is_unit_page,
'subsection':
subsection,
'section':
section,
'position':
index,
'prev_url':
prev_url,
'next_url':
next_url,
'new_unit_category':
'vertical',
'outline_url':
'{url}?format=concise'.format(
url=reverse_course_url('course_handler', course.id)),
'ancestor_xblocks':
ancestor_xblocks,
'component_templates':
component_templates,
'xblock_info':
xblock_info,
'draft_preview_link':
preview_lms_link,
'published_preview_link':
lms_link,
'templates':
CONTAINER_TEMPLATES
})
else:
return HttpResponseBadRequest("Only supports HTML requests")
def container_handler(request, usage_key_string):
"""
The restful handler for container xblock requests.
GET
html: returns the HTML page for editing a container
json: not currently supported
"""
if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
try:
usage_key = UsageKey.from_string(usage_key_string)
except InvalidKeyError: # Raise Http404 on invalid 'usage_key_string'
raise Http404
with modulestore().bulk_operations(usage_key.course_key):
try:
course, xblock, lms_link, preview_lms_link = _get_item_in_course(
request, usage_key)
except ItemNotFoundError:
return HttpResponseBadRequest()
component_templates = get_component_templates(course)
ancestor_xblocks = []
parent = get_parent_xblock(xblock)
action = request.GET.get('action', 'view')
is_unit_page = is_unit(xblock)
unit = xblock if is_unit_page else None
while parent and parent.category != 'course':
if unit is None and is_unit(parent):
unit = parent
ancestor_xblocks.append(parent)
parent = get_parent_xblock(parent)
ancestor_xblocks.reverse()
assert unit is not None, "Could not determine unit page"
subsection = get_parent_xblock(unit)
assert subsection is not None, "Could not determine parent subsection from unit " + unicode(
unit.location)
section = get_parent_xblock(subsection)
assert section is not None, "Could not determine ancestor section from unit " + unicode(
unit.location)
# Fetch the XBlock info for use by the container page. Note that it includes information
# about the block's ancestors and siblings for use by the Unit Outline.
xblock_info = create_xblock_info(
xblock, include_ancestor_info=is_unit_page)
if is_unit_page:
add_container_page_publishing_info(xblock, xblock_info)
# need to figure out where this item is in the list of children as the
# preview will need this
index = 1
for child in subsection.get_children():
if child.location == unit.location:
break
index += 1
return render_to_response(
'container.html',
{
'context_course':
course, # Needed only for display of menus at top of page.
'action': action,
'xblock': xblock,
'xblock_locator': xblock.location,
'unit': unit,
'is_unit_page': is_unit_page,
'subsection': subsection,
'section': section,
'new_unit_category': 'vertical',
'ancestor_xblocks': ancestor_xblocks,
'component_templates': component_templates,
'xblock_info': xblock_info,
'draft_preview_link': preview_lms_link,
'published_preview_link': lms_link,
'templates': CONTAINER_TEMPLATES
})
else:
return HttpResponseBadRequest("Only supports HTML requests")
def container_handler(request, usage_key_string):
"""
The restful handler for container xblock requests.
GET
html: returns the HTML page for editing a container
json: not currently supported
"""
if 'text/html' in request.META.get('HTTP_ACCEPT', 'text/html'):
try:
usage_key = UsageKey.from_string(usage_key_string)
except InvalidKeyError: # Raise Http404 on invalid 'usage_key_string'
raise Http404
with modulestore().bulk_operations(usage_key.course_key):
try:
course, xblock, lms_link, preview_lms_link = _get_item_in_course(request, usage_key)
except ItemNotFoundError:
return HttpResponseBadRequest()
component_templates = get_component_templates(course)
ancestor_xblocks = []
parent = get_parent_xblock(xblock)
action = request.REQUEST.get('action', 'view')
is_unit_page = is_unit(xblock)
unit = xblock if is_unit_page else None
while parent and parent.category != 'course':
if unit is None and is_unit(parent):
unit = parent
ancestor_xblocks.append(parent)
parent = get_parent_xblock(parent)
ancestor_xblocks.reverse()
assert unit is not None, "Could not determine unit page"
subsection = get_parent_xblock(unit)
assert subsection is not None, "Could not determine parent subsection from unit " + unicode(unit.location)
section = get_parent_xblock(subsection)
assert section is not None, "Could not determine ancestor section from unit " + unicode(unit.location)
# Fetch the XBlock info for use by the container page. Note that it includes information
# about the block's ancestors and siblings for use by the Unit Outline.
xblock_info = create_xblock_info(xblock, include_ancestor_info=is_unit_page)
if is_unit_page:
add_container_page_publishing_info(xblock, xblock_info)
# need to figure out where this item is in the list of children as the
# preview will need this
index = 1
for child in subsection.get_children():
if child.location == unit.location:
break
index += 1
return render_to_response('container.html', {
'context_course': course, # Needed only for display of menus at top of page.
'action': action,
'xblock': xblock,
'xblock_locator': xblock.location,
'unit': unit,
'is_unit_page': is_unit_page,
'subsection': subsection,
'section': section,
'new_unit_category': 'vertical',
'ancestor_xblocks': ancestor_xblocks,
'component_templates': json.dumps(component_templates),
'xblock_info': xblock_info,
'draft_preview_link': preview_lms_link,
'published_preview_link': lms_link,
'keywords_supported': get_keywords_supported(),
'templates': CONTAINER_TEMPATES
})
else:
return HttpResponseBadRequest("Only supports HTML requests")
