from django.http import HttpResponse

import settings,os

from django.shortcuts import render_to_response

from django.template import RequestContext

from django.utils.encoding import *

from django.template.loader import render_to_string

def create(request):

    tree={}

    this_dir=[]

    for dirname, dirs, files in os.walk(settings.GALLERY_ROOT):       

        pdir = dirname.replace(settings.GALLERY_ROOT,"")

        if len(pdir)!=0:

            sep=pdir.split(os.path.sep)

            tmptree=tree

            for dir in sep:

                if not dir in tmptree:

                    tmptree[dir]={}

                tmptree=tmptree[dir]

    def makeItem(dir,array,path=''):

        out=[]

        if len(array)!=0:

            for subdir in array:

                out.append(makeItem(subdir,array[subdir],os.path.join(path,dir)))

        return render_to_string('menu/item.html',{'dir':dir,'subdir':''.join(out),'path':os.path.join(path,dir)})

    out=[]

    for dir in tree.keys():

        if len(tree[dir])!=0:

            out.append(makeItem(dir,tree[dir]))

    return render_to_string('menu/menu.html' , {'tree':''.join(out)}, context_instance=RequestContext(request), )

    return render_to_response('menu/menu.html' , {'tree':''.join(out)}, context_instance=RequestContext(request), )

class MyMiddleware(object):

    #def process_view(self, request, view_func, view_args, view_kwargs):

    def process_request(self, request):

        request.menu=create(request)

        return None

def ContextProcesor(request):

    if hasattr(request, 'menu'):

        return {'MENU': request.menu }

    else:

        return {'MENU': {} }