3cbba1d593
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1036 fd906abe-77d9-0310-91a1-e0d9ade77398
134 lines
4.2 KiB
Python
134 lines
4.2 KiB
Python
#
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# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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View class for Node objects.
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$Id$
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"""
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from zope.cachedescriptors.property import Lazy
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from zope.app import zapi
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from zope.app.container.browser.contents import JustContents
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from zope.app.dublincore.interfaces import ICMFDublinCore
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from zope.proxy import removeAllProxies
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from zope.security import canAccess, canWrite
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from zope.security.proxy import removeSecurityProxy
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from loops.resource import MediaAsset
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class NodeView(object):
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def __init__(self, context, request):
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self.context = context
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self.request = request
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def render(self, text=None):
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if text is None:
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text = self.context.body
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if not text:
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return u''
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if text.startswith('<'): # seems to be HTML
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return text
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source = zapi.createObject(self.context.contentType, text)
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view = zapi.getMultiAdapter((removeAllProxies(source), self.request))
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return view.render()
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@Lazy
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def modified(self):
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""" get date/time of last modification
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"""
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dc = ICMFDublinCore(self.context)
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d = dc.modified or dc.created
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return d and d.strftime('%Y-%m-%d %H:%M') or ''
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@Lazy
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def target(self):
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return self.context.target
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@Lazy
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def page(self):
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page = self.context.getPage()
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return page is not None and NodeView(page, self.request) or None
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def textItems(self):
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for child in self.context.getTextItems():
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yield NodeView(child, self.request)
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@Lazy
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def menu(self):
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menu = self.context.getMenu()
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return menu is not None and NodeView(menu, self.request) or None
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def menuItems(self):
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for child in self.context.getMenuItems():
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yield NodeView(child, self.request)
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@Lazy
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def body(self):
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return self.render()
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@Lazy
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def url(self):
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return zapi.absoluteURL(self.context, self.request)
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@Lazy
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def editable(self):
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return canWrite(self.context, 'body')
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def selected(self, item):
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return item.context == self.context
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class ConfigureBaseView(object):
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""" Helper view class for editing/configuring a node, providing the
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stuff needed for creating a target object.
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"""
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def __init__(self, context, request):
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self.context = removeSecurityProxy(context)
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self.request = request
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def checkCreateTarget(self):
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form = self.request.form
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if 'field.createTarget' in form:
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type = self.request.form.get('field.targetType',
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'loops.resource.MediaAsset')
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# TODO: find class (better: factory) from type name
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uri = self.request.form.get('field.targetUri', None)
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# TODO: generate uri/__name__ if not given
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if uri:
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# TODO: find container
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self.context.getLoopsRoot()['resources']['ma07'] = MediaAsset()
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#self.context.loopsRoot['resources']['ma07'] = MediaAsset()
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class ConfigureView(object):
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""" An editing view for configuring a node, optionally creating
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a target object.
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"""
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def __init__(self, context, request):
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super(ConfigureView, self).__init__(context, request)
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self.delegate = ConfigureBaseView(context, request)
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def update(self):
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if self.update_status is not None:
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return self.update_status
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self.delegate.checkCreateTarget()
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return super(ConfigureView, self).update()
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