def singleBranchTree(self, root=''):
"""Return an XML document with the siblings and parents of an object.
There is only one branch expanded, in other words, the tree is
filled with the object, its siblings and its parents with
their respective siblings.
"""
result = 'selected'
oldItem = self.context
vh = self.request.getVirtualHostRoot()
if vh:
vhrootView = getMultiAdapter(
(vh, self.request), name='absolute_url')
baseURL = vhrootView() + '/'
try:
rootName = '[' + vh.__name__ + ']'
except:
# we got the containment root itself as the virtual host
# and there is no name.
rootName = _('[top]')
parents = getParentsFromContextToObject(self.context, vh)
else:
rootName = _('[top]')
baseURL = self.request.getApplicationURL() + '/'
parents = getParents(self.context)
rootName = translate(rootName, context=self.request, default=rootName)
for item in parents:
# skip skin if present
#if item == oldItem:
# continue
subItems = []
if IReadContainer.providedBy(item):
keys = list(item.keys())
if len(keys) >= 1000:
keys = []
else:
keys = []
# include the site manager
keys.append(u'++etc++site')
for name in keys:
# Only include items we can traverse to
subItem = traverse(item, name, None)
iconUrl = self.getIconUrl(subItem)
subitem_len = self.getLengthOf(subItem)
if subitem_len >= 0:
# the test below seems to be broken
# with the ++etc++site case
if subItem == oldItem:
subItems.append(xmlEscapeWithCData(
u'<collection name=%s length=%s '
u'icon_url=%s>%s</collection>',
name, subitem_len, iconUrl, result))
else:
subItems.append(xmlEscape(
u'<collection name=%s length=%s '
u'icon_url=%s/>',
name, subitem_len, iconUrl))
else:
subItems.append(xmlEscape(
u'<item name=%s icon_url=%s />', name, iconUrl))
result = u' '.join(subItems)
oldItem = item
# do not forget root folder
iconUrl = self.getIconUrl(oldItem)
result = xmlEscapeWithCData(
u'<collection name=%s baseURL=%s length=%s '
u'icon_url=%s isroot="">%s</collection>',
rootName, baseURL, len(oldItem), iconUrl, result)
self.request.response.setHeader('Content-Type', 'text/xml')
setNoCacheHeaders(self.request.response)
title = translate(titleTemplate,
context=self.request, default=titleTemplate)
loading = translate(loadingMsg,
context=self.request, default=loadingMsg)
return xmlEscapeWithCData(
u'<?xml version="1.0" ?>'
u'<children title_tpl=%s loading_msg=%s>%s</children>',
title, loading, result)
"""
from rfc822 import formatdate, time
from xml.sax.saxutils import quoteattr
from zope.component import getMultiAdapter, queryMultiAdapter
from zope.interface import Interface
from zope.proxy import sameProxiedObjects
from zope.security.interfaces import Unauthorized, Forbidden
from zope.i18n import translate
from zope.traversing.api import getParents, getParent, traverse
from zope.publisher.browser import BrowserView
from zope.container.interfaces import IReadContainer
from zope.app.rotterdam.i18n import ZopeMessageFactory as _
titleTemplate = _('Contains $${num} item(s)')
loadingMsg = _('Loading...')
def setNoCacheHeaders(response):
"""Ensure that the tree isn't cached"""
response.setHeader('Pragma', 'no-cache')
response.setHeader('Cache-Control', 'no-cache')
response.setHeader('Expires',
formatdate(time.time() - 7 * 86400)) # 7 days ago
def xmlEscape(format, *args):
quotedArgs = [quoteattr(unicode(arg)) for arg in args]
return format % tuple(quotedArgs)
def xmlEscapeWithCData(format, *args):
cData = args[-1]
