/b-gtk/fix-viz

# Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.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

delimiter = " "

class UrlHistory:

    """Simple helper class for storing URL history."""

    def __init__(self, config, name):

        """Access URL History in a Config object.

        :param config: Config object to use

        :param name: Name of the history variable.

        """

        self._config = config

        self._name = name

    def add_entry(self, url):

        """Add a new entry to the list.

        :param url: Url to add

        """

        self._config.set_user_option(self._name, delimiter.join(

            self.get_entries() + [url]))

    def get_entries(self):

        """Obtain all URLs currently listed.

        :return list of URLs or empty list if no URLs set yet.

        """

        history = self._config.get_user_option(self._name)

        if history is None:

            return []

        else:

            return history.split(delimiter)