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From "Apache Bloodhound" <bloodhound-...@incubator.apache.org>
Subject Re: [Apache Bloodhound] #3: Multi Product NavigationContributor implementation modifications
Date Mon, 18 Jun 2012 16:47:24 GMT
#3: Multi Product NavigationContributor implementation modifications
---------------------------+-------------------------------------
  Reporter:  gjm           |      Owner:  gjm
      Type:  task          |     Status:  accepted
  Priority:  major         |  Milestone:  RC1 for initial release
 Component:  multiproduct  |    Version:
Resolution:                |   Keywords:
---------------------------+-------------------------------------
Changes (by gjm):

 * priority:  blocker => major


Comment:

 It looks like this is possible to deal with by modifying paths in a post
 process request:

 {{{
 #!diff
 Index: multiproduct/web_ui.py
 ===================================================================
 --- multiproduct/web_ui.py      (revision 1351401)
 +++ multiproduct/web_ui.py      (working copy)
 @@ -23,6 +23,7 @@
  import re

  from genshi.builder import tag
 +from genshi.core import Attrs, QName

  from trac.core import Component, implements, TracError
  from trac.web.chrome import (add_link, add_notice, add_warning,
 prevnext_nav,
 @@ -40,7 +41,10 @@
      """Base Product behaviour"""

      implements(IRequestFilter, IRequestHandler, INavigationContributor)
 -
 +    NAVITEM_DO_NOT_TRANSFORM = [ '/login',
 +                                 '/logout',
 +                                 '/products',
 +                                ]
      def get_active_navigation_item(self, req):
          return 'products'

 @@ -96,6 +100,28 @@

      def post_process_request(self, req, template, data, content_type):
          """post process request filter"""
 +        # update the nav item links
 +        root = req.href()
 +        rootproducts = req.href.products()
 +        pid = req.args.get('productid')
 +        if pid:
 +            for navkey, section in req.chrome['nav'].iteritems():
 +                for item in section:
 +                    try:
 +                        href = item['label'].attrib.get('href')
 +                    except AttributeError:
 +                        continue
 +                    if href.startswith(rootproducts):
 +                        continue
 +                    if href.startswith(root):
 +                        tail = href[len(root):]
 +                        if tail not in self.NAVITEM_DO_NOT_TRANSFORM:
 +                            attrs = [attr for attr in
 item['label'].attrib
 +                                     if attr[0] != 'href']
 +                            newhref = req.href.products(pid, tail)
 +                            item['label'].attrib = Attrs([(QName('href'),
 +                                                           newhref)] +
 attrs)
 +
          return (template, data, content_type)

      # IRequestHandler methods
 }}}

-- 
Ticket URL: <https://issues.apache.org/bloodhound/ticket/3#comment:3>
Apache Bloodhound <https://issues.apache.org/bloodhound/>
The Apache Bloodhound (incubating) issue tracker

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