# menu - zavai menus
#
# Copyright (C) 2009  Enrico Zini <enrico@enricozini.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import sys
import zavai
import gtk

class Menu(gtk.VBox, zavai.Resource):
    def __init__(self, registry, name, *args, **kw):
        super(Menu, self).__init__()
        self.vbox = self

        parent = None
        pos = name.rfind(".")
        if pos != -1:
            parent = name[:pos]
            if parent == "menu":
                parent = None

        if parent is not None:
            self.vbox = gtk.VBox()
            self.pack_start(self.vbox)
            self.pack_start(registry.menu_link(parent, "Back"), True, True)

    def add_child(self, widget):
        self.vbox.pack_start(widget, True, True)

class MenuLink(gtk.Button, zavai.Resource):
    def __init__(self, registry, targetName, label):
        super(MenuLink, self).__init__(label)
        self.target = "menu." + targetName
        self.registry = registry
        self.connect("clicked", self.on_click)

    def on_click(self, *args):
        self.registry.resource("app").show_widget(self.target)