[Zope-CVS] CVS: Packages/Moztop/idesupport/rdf - __init__.py:1.1 configure.zcml:1.1 container.py:1.1

[Stephan Richter]

Update of /cvs-repository/Packages/Moztop/idesupport/rdf
In directory cvs.zope.org:/tmp/cvs-serv25212/idesupport/rdf

Added Files:
	__init__.py configure.zcml container.py 
Log Message:
- Site Contents is now obtained from Zope 3 via RDF.

- Updated CHANGES.txt and moved some tasks around.


=== Added File Packages/Moztop/idesupport/rdf/__init__.py ===
##############################################################################
#
# Copyright (c) 2002, 2003 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Moztop Extension Product

$Id: __init__.py,v 1.1 2003/01/13 20:03:51 srichter Exp $
"""


=== Added File Packages/Moztop/idesupport/rdf/configure.zcml ===
<zopeConfigure 
  xmlns="http://namespaces.zope.org/zope"
  xmlns:browser="http://namespaces.zope.org/browser" >

  <browser:pages
      for="zope.app.interfaces.container.IContainer"
      permission="zope.ManageContent" 
      class=".container.Contents" >

    <browser:page name="contents.rdf" attribute="contents" />

  </browser:pages>

</zopeConfigure>


=== Added File Packages/Moztop/idesupport/rdf/container.py ===
##############################################################################
#
# Copyright (c) 2002, 2003 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Container RDF views.

$Id: container.py,v 1.1 2003/01/13 20:03:51 srichter Exp $
"""
from zope.app.interfaces.container import IContainer, IZopeContainer
from zope.publisher.browser import BrowserView


class Contents(BrowserView):

    __used_for__ = IContainer


    def _make_subtree(self, base, prefix=''):
        rdf = ''
        local_links = ''
        for item in base.items():

            # first we need to create the meta data for this item
            fillIn = {'id': item[0],
                      'rdf_url': prefix + ':' + item[0]}
            rdf += _node_description %fillIn + '\n\n'

            # now we add the link to the base
            local_links += '''<RDF:li resource="urn:explorer%(rdf_url)s"/>\n''' %fillIn

            if IContainer.isImplementedBy(item[1]):
                rdf += self._make_subtree(item[1], fillIn['rdf_url'])

        fillIn = {'links': local_links,
                  'rdf_url': prefix}
        if prefix and local_links:
            rdf += _folder_node_links %fillIn
        elif not prefix and local_links:
            rdf += _root_folder_node_links %local_links
            
        return rdf


    def contents(self):
        ''' '''
        rdf  = _rdf_start
        rdf +=  self._make_subtree(self.context, '')
        rdf += _rdf_end
        self.request.response.setHeader('Content-Type', 'text/xml')
        return rdf


_rdf_start = '''<?xml version="1.0"?>

<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns:EXPLORER="http://www.zope.org/rdf/content#">
'''

_rdf_end = '''
</RDF:RDF>
'''

_node_description = '''
  <RDF:Description about="urn:explorer%(rdf_url)s">
    <EXPLORER:name>%(id)s</EXPLORER:name>
  </RDF:Description>      
'''


_folder_node_links = '''
   <RDF:Seq about="urn:explorer%(rdf_url)s">
     %(links)s
   </RDF:Seq>        
'''

_root_folder_node_links = '''
   <RDF:Seq about="urn:explorer:data">
        %s
    </RDF:Seq>                                    
'''