#  adds the required gtk Widgets manually.
#


import gtk
from mygtk import mygtk
from config import conf, __print__, dbg
import http
import action
import favicon
import os.path
import xml.sax.saxutils
import re
import copy

            self.gtk_cat = parent.get_widget(self.module+"_cat")
            
            # category tree
            self.display_categories()
            #mygtk.tree(self.gtk_cat, self.categories, title="Category", icon=gtk.STOCK_OPEN);
            
            # update column names
            for field,title in self.titles.iteritems():
                self.update_datamap(field, title=title)
            
            # prepare stream list
            if (not self.rowmap):
                for row in self.datamap:
                    for x in xrange(2, len(row)):
                        self.rowmap.append(row[x][0])

            # load default category
            if (self.current):
                self.load(self.current)
            else:
                mygtk.columns(self.gtk_list, self.datamap, [{}])

        # switch stream category,
        # load data,
        # update treeview content
        def load(self, category, force=False):
        
            # get data from cache or download
            if (force or not self.streams.has_key(category)):
                new_streams = self.update_streams(category)
      
                if new_streams:
                
                    # modify
                    [self.postprocess(row) for row in new_streams]
      

            
        # finds differences in new/old streamlist, marks deleted with flag
        def deleted_streams(self, new, old):
            diff = []
            new = [row.get("url","http://example.com/") for row in new]
            for row in old:
                if (row.has_key("url") and (row.get("url") not in new)):
                    row["deleted"] = 1
                    diff.append(row)
            return diff

        
        # prepare data for display
        def prepare(self, streams):
            for i,row in enumerate(streams):
                                            # oh my, at least it's working
                                            # at start the bookmarks module isn't fully registered at instantiation in parent.channels{} - might want to do that step by step rather
                                            # then display() is called too early to take effect - load() & co should actually be postponed to when a notebook tab gets selected first
                                            # => might be fixed now, 1.9.8
                # state icon: bookmark star
                if (conf.show_bookmarks and self.parent.channels.has_key("bookmarks") and self.parent.bookmarks.is_in(streams[i].get("url", "file:///tmp/none"))):
                    streams[i]["favourite"] = 1
                
                # state icon: INFO or DELETE
                if (not row.get("state")):
                    if row.get("favourite"):
                        streams[i]["state"] = gtk.STOCK_ABOUT
                    if conf.retain_deleted and row.get("deleted"):

            if (self.shown != 55555):
            
                # if category tree is empty, initialize it
                if not self.categories:
                    __print__(dbg.PROC, "first_show: reload_categories");
                    #self.parent.thread(self.reload_categories)
                    print("reload categories");
                    self.reload_categories()
                    self.display_categories()
                    self.current = self.categories.keys()[0]
                    print self.current
                    self.load(self.current)
            
                # load current category
                else:
                    __print__(dbg.STAT, "first_show: load current category");
                    self.load(self.current)