forked from django-cms/django-cms
/
toolbar.py
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/
toolbar.py
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# -*- coding: utf-8 -*-
"""
Edit Toolbar middleware
"""
from cms.plugin_pool import plugin_pool
from cms.toolbar.toolbar import CMSToolbar
from cms.utils.i18n import force_language
from django.contrib.admin.models import LogEntry
from menus.menu_pool import menu_pool
from django.http import HttpResponse
from django.template.loader import render_to_string
from cms.utils.placeholder import get_toolbar_plugin_struct
def toolbar_plugin_processor(instance, placeholder, rendered_content, original_context):
original_context.push()
child_plugin_classes = []
plugin_class = instance.get_plugin_class()
if plugin_class.allow_children:
inst, plugin = instance.get_plugin_instance()
page = original_context['request'].current_page
children = [plugin_pool.get_plugin(cls) for cls in plugin.get_child_classes(placeholder, page)]
# Builds the list of dictionaries containing module, name and value for the plugin dropdowns
child_plugin_classes = get_toolbar_plugin_struct(children, placeholder.slot, placeholder.page,
parent=plugin_class)
instance.placeholder = placeholder
request = original_context['request']
with force_language(request.toolbar.toolbar_language):
data = {
'instance': instance,
'rendered_content': rendered_content,
'child_plugin_classes': child_plugin_classes,
'edit_url': placeholder.get_edit_url(instance.pk),
'add_url': placeholder.get_add_url(),
'delete_url': placeholder.get_delete_url(instance.pk),
'move_url': placeholder.get_move_url(),
}
original_context.update(data)
output = render_to_string(instance.get_plugin_class().frontend_edit_template, original_context)
original_context.pop()
return output
class ToolbarMiddleware(object):
"""
Middleware to set up CMS Toolbar.
"""
def process_request(self, request):
"""
If we should show the toolbar for this request, put it on
request.toolbar. Then call the request_hook on the toolbar.
"""
if 'edit' in request.GET and not request.session.get('cms_edit', False):
if not request.session.get('cms_edit', False):
menu_pool.clear()
request.session['cms_edit'] = True
if request.session.get('cms_build', False):
request.session['cms_build'] = False
if 'edit_off' in request.GET and request.session.get('cms_edit', True):
if request.session.get('cms_edit', True):
menu_pool.clear()
request.session['cms_edit'] = False
if request.session.get('cms_build', False):
request.session['cms_build'] = False
if 'build' in request.GET and not request.session.get('cms_build', False):
request.session['cms_build'] = True
if request.user.is_staff:
request.session['cms_log_entries'] = LogEntry.objects.filter(user=request.user).count()
request.toolbar = CMSToolbar(request)
def process_view(self, request, view_func, view_args, view_kwarg):
response = request.toolbar.request_hook()
if isinstance(response, HttpResponse):
return response
def process_response(self, request, response):
from django.utils.cache import add_never_cache_headers
found = False
if hasattr(request, 'toolbar') and request.toolbar.edit_mode:
found = True
for placeholder in getattr(request, 'placeholders', []):
if not placeholder.cache_placeholder:
found = True
break
if found:
add_never_cache_headers(response)
if hasattr(request, 'user') and request.user.is_staff and response.status_code != 500:
count = LogEntry.objects.filter(user=request.user).count()
if request.session.get('cms_log_entries', 0) < count:
request.session['cms_log_entries'] = count
log = LogEntry.objects.filter(user=request.user)[0]
if log.action_flag == 1 or log.action_flag == 2:
request.session['cms_log_latest'] = log.pk
return response