# Source code for pyqso.toolbar

    #!/usr/bin/env python3

    #    Copyright (C) 2013-2017 Christian Thomas Jacobs.

    #    This file is part of PyQSO.

    #    PyQSO 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 3 of the License, or
    #    (at your option) any later version.
    #
    #    PyQSO 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 PyQSO.  If not, see <http://www.gnu.org/licenses/>.

    class Toolbar:

        """ The toolbar underneath the menu bar. """

        def __init__(self, application):
            """ Set up the various buttons in the toolbar, and connect to their corresponding functions.

            :arg application: The PyQSO application containing the main Gtk window, etc.
            """

            self.application = application
            self.builder = self.application.builder

            self.buttons = {}

            # Create logbook
            self.buttons["NEW_LOGBOOK"] = self.builder.get_object("toolbar_new_logbook")
            self.buttons["NEW_LOGBOOK"].connect("clicked", self.application.logbook.new)

            # Open logbook
            self.buttons["OPEN_LOGBOOK"] = self.builder.get_object("toolbar_open_logbook")
            self.buttons["OPEN_LOGBOOK"].connect("clicked", self.application.logbook.open)

            # Close logbook
            self.buttons["CLOSE_LOGBOOK"] = self.builder.get_object("toolbar_close_logbook")
            self.buttons["CLOSE_LOGBOOK"].connect("clicked", self.application.logbook.close)

            # Add record
            self.buttons["ADD_RECORD"] = self.builder.get_object("toolbar_add_record")
            self.buttons["ADD_RECORD"].connect("clicked", self.application.logbook.add_record_callback)

            # Edit record
            self.buttons["EDIT_RECORD"] = self.builder.get_object("toolbar_edit_record")
            self.buttons["EDIT_RECORD"].connect("clicked", self.application.logbook.edit_record_callback)

            # Delete record
            self.buttons["DELETE_RECORD"] = self.builder.get_object("toolbar_delete_record")
            self.buttons["DELETE_RECORD"].connect("clicked", self.application.logbook.delete_record_callback)

            # Filter log
            self.filter_source = self.builder.get_object("filter_source")
            self.filter_source.connect_after("changed", self.application.logbook.filter_logs)

            # Set sensitivities.
            self.set_logbook_button_sensitive(True)
            self.set_record_buttons_sensitive(False)
            self.filter_source.set_sensitive(False)

            return

        def set_logbook_button_sensitive(self, sensitive):
            """ Enable/disable logbook-related toolbar items.

            :arg bool sensitive: If True, enable the 'new logbook' and 'open logbook' toolbar items. If False, disable them.
            """
            self.buttons["NEW_LOGBOOK"].set_sensitive(sensitive)
            self.buttons["OPEN_LOGBOOK"].set_sensitive(sensitive)
            self.buttons["CLOSE_LOGBOOK"].set_sensitive(not sensitive)
            return

        def set_record_buttons_sensitive(self, sensitive):
            """ Enable/disable record-related toolbar items.

            :arg bool sensitive: If True, enable all the record-related toolbar items. If False, disable them all.
            """
            for button_name in ["ADD_RECORD", "EDIT_RECORD", "DELETE_RECORD"]:
                self.buttons[button_name].set_sensitive(sensitive)
            return