#!/usr/bin/python
# -*- coding: utf-8 -*-

# Libervia: a Salut à Toi frontend
# Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import pyjd  # this is dummy in pyjs
from sat.core.log import getLogger
log = getLogger(__name__)
import base_menu


### Exceptions ###


class NoLiberviaWidgetException(Exception):
    """A Libervia widget was expected"""
    pass


### Menus ###


class WidgetMenuBar(base_menu.GenericMenuBar):

    ITEM_TPL = "<img src='media/icons/misc/%s.png' />"

    def __init__(self, parent, host, vertical=False, styles=None):
        """

        @param parent (Widget): LiberviaWidget, or instance of another class
            implementing the method addMenus
        @param host (SatWebFrontend)
        @param vertical (bool): if True, set the menu vertically
        @param styles (dict): optional styles dict
        """
        menu_styles = {'menu_bar': 'widgetHeader_buttonGroup'}
        if styles:
            menu_styles.update(styles)
        base_menu.GenericMenuBar.__init__(self, host, vertical=vertical, styles=menu_styles)

        # regroup all the dynamic menu categories in a sub-menu
        sub_menu = WidgetSubMenuBar(host, vertical=True)
        try:
            parent.addMenus(sub_menu)
        except (AttributeError, TypeError): # FIXME: pyjamas can throw a TypeError depending on compilation options
            pass
        else:
            if len(sub_menu.getCategories()) > 0:
                self.addCategory('', '', 'plugins', sub_menu)

    @classmethod
    def getCategoryHTML(cls, menu_name_i18n, type_):
        return cls.ITEM_TPL % type_


class WidgetSubMenuBar(base_menu.GenericMenuBar):

    def __init__(self, host, vertical=True):
        """

        @param host (SatWebFrontend)
        @param vertical (bool): if True, set the menu vertically
        """
        base_menu.GenericMenuBar.__init__(self, host, vertical=vertical, flat_level=1)

    @classmethod
    def getCategoryHTML(cls, menu_name_i18n, type_):
        return menu_name_i18n