# 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
from gettext import gettext as _
import zavai
import gtk

class MenuButton(gtk.Button):
    def __init__(self, *args, **kw):
        super(MenuButton, self).__init__(*args, **kw)
        # TODO: take this from the configuration
        self.set_size_request(0, 80)

class Menu(gtk.VBox, zavai.Resource):
    def __init__(self, registry, name, parent = None, *args, **kw):
        super(Menu, self).__init__()
        self.vbox = self

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

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

class LinkButton(MenuButton, zavai.Resource):
    def __init__(self, registry, targetName, label):
        super(LinkButton, self).__init__(label)
        self.target = targetName
        self.registry = registry
        self.connect("clicked", self.on_click)

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