[Plone-i18n] query_string parameters when switching language

[francoise <fc...@gm...>]

Hello,

My site has many Zope pages templates, Zope folders and also Plone pages,
Plone folders. 

This create problems for the navigation menu and also for translation but I
can't rewrite all the site now.

The query_string is used to pass parameters to Zope pages :
   http://myssite/teams?id=14&tab=members

My problem is that Plone Language Tool and LinguaPlone "loose" the
query_string parameters when switching language.

I found the following workarounds though it could get me into troubles but I
am really bothered by the query_string parameters lost.

1. Plone Language Tool 
   I customized switchLanguage.py in the ZMI

   replaced :
      qst="?"
      for k, v in query.items():

   by :
      qst="?"

      reqreferer = REQUEST['HTTP_REFERER'].split('?')
      if len(reqreferer) > 1:
         for p in reqreferer[-1].split("&"):
             if (p.find('set_language') == -1) and (p.find('cl=') == -1):
                qst += p + "&"

      for k, v in query.items():

2. LinguaPlone
   I modified LinguaPlone/browser/selector.py

   replaced :
      try:
          data['url'] = state.view_url() + '?set_language=' + data['code']
      except AttributeError:
   
   by :
      try:
          # Rebuild query_string
          qst = ""

          if self.request is not None and self.request.form is not None:
             form = self.request.form
             for k,v in form.items():
                 if k != "-C" and k != "set_language":  # Empty forms
                      qst += "&%s=%s" % (k,v)

          elif self.request is not None and self.request['HTTP_REFERER'] is
not None:
             reqreferer = self.request['HTTP_REFERER'].split('?')
             if len(reqreferer) > 1:
                for p in reqreferer[-1].split("&"):
                   if (p.find('set_language') == -1) and (p.find('cl=') ==
-1):
                      qst += "&" + p

          data['url'] = state.view_url() + '?set_language=' + data['code'] +
qst
      except AttributeError:

Regards
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