waypointlist.cpp

开源的电子海图程序

/* GHelm - Nautical Navigation Software
 * Copyright (C) 2005 Jon Michaelchuck
 *
 * This application is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This software 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 software; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA.
 */

#include "waypointlist.h"
#include "util.h"

/**
 * Constructor
 */
WaypointList::WaypointList()
{
    list_store = Gtk::ListStore::create(waypoint_columns);
    tree_view.set_model(list_store);
    tree_view.append_column("Name", waypoint_columns.name);
    tree_view.append_column("Longitude", waypoint_columns.longitude);
    tree_view.append_column("Latitude", waypoint_columns.latitude);

    add(tree_view);
    set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
}

/**
 * Destructor
 */
WaypointList::~WaypointList()
{
}

/**
 * Add a waypoint
 * @param waypoint waypoint to add
 */
void WaypointList::AddWaypoint(waypoint_t waypoint)
{
    Gtk::TreeModel::Row row = *(list_store->append());

    row[waypoint_columns.name] = waypoint.name;
    row[waypoint_columns.longitude] =
                    GetFormattedLongLatString(waypoint.longlat[0]);
    row[waypoint_columns.latitude] = 
                    GetFormattedLongLatString(waypoint.longlat[1]);
}

/**
 * clear the list
 */
void WaypointList::Clear()
{
    list_store->clear(); 
}

/**
 * on renderer switched signal handler
 * @chart Pointer to chart changed to
 */
void WaypointList::on_switched(Chart *chart)
{
    Clear();
    if (chart) {
        std::vector<waypoint_t>::iterator it;
        std::vector<waypoint_t>::iterator end = chart->waypoints.end();

        for (it = chart->waypoints.begin(); it != end; ++it)
            AddWaypoint(*it);
    }
}