loops/browser/node.py
helmutm 4962810373 Nodes are now orderable via the ZMI
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1005 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-01-13 10:02:51 +00:00

126 lines
4.2 KiB
Python

#
# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
View class for Node objects.
$Id$
"""
from zope.cachedescriptors.property import Lazy
from zope.app import zapi
from zope.app.container.browser.contents import JustContents
from zope.app.dublincore.interfaces import ICMFDublinCore
from zope.proxy import removeAllProxies
from zope.security.proxy import removeSecurityProxy
from loops.interfaces import IConcept
class NodeView(object):
def __init__(self, context, request):
self.context = context
self.request = request
def render(self, text):
if not text:
return u''
if text.startswith('<'): # seems to be HTML
return text
source = zapi.createObject(self.context.contentType, text)
view = zapi.getMultiAdapter((removeAllProxies(source), self.request))
return view.render()
@Lazy
def modified(self):
""" get date/time of last modification
"""
dc = ICMFDublinCore(self.context)
d = dc.modified or dc.created
return d and d.strftime('%Y-%m-%d %H:%M') or ''
def content(self, item=None):
if item is None:
item = self.context.getPage()
if item is None:
item = self.context
result = {'title': item.title,
'url': zapi.absoluteURL(item, self.request),
'body': self.render(item.body),
'items': [self.content(child)
for child in item.getTextItems()]}
return result
def menu(self, item=None):
if item is None:
item = self.context.getMenu()
if item is None:
return None
result = {'title': item.title,
'url': zapi.absoluteURL(item, self.request),
'selected': item == self.context,
'items': [self.menu(child)
for child in item.getMenuItems()]}
return result
class OrderedContainerView(JustContents):
""" A view providing the necessary methods for moving sub-objects
within an ordered container.
"""
@Lazy
def url(self):
return zapi.absoluteURL(self.context, self.request)
@Lazy
def orderable(self):
return len(self.context) > 1
def checkMoveAction(self):
request = self.request
for var in request:
if var.startswith('move_'):
params = []
if 'delta' in request:
params.append('delta=' + request['delta'])
if 'ids' in request:
for id in request['ids']:
params.append('ids:list=' + id)
request.response.redirect('%s/%s?%s'
% (self.url, var, '&'.join(params)))
return True
return False
def moveDown(self, ids, delta=1):
self.context.moveSubNodesByDelta(ids, int(delta))
self.request.response.redirect(self.url + '/contents.html')
def moveUp(self, ids, delta=1):
self.context.moveSubNodesByDelta(ids, -int(delta))
self.request.response.redirect(self.url + '/contents.html')
def moveToBottom(self, ids):
self.context.moveSubNodesByDelta(ids, len(self.context))
self.request.response.redirect(self.url + '/contents.html')
def moveToTop(self, ids):
self.context.moveSubNodesByDelta(ids, -len(self.context))
self.request.response.redirect(self.url + '/contents.html')