/*
This file is part of RouteConverter.
RouteConverter 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.
RouteConverter 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 RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.converter.gui.models;
import slash.navigation.base.BaseRoute;
import slash.navigation.converter.gui.helpers.LengthCalculator;
import slash.navigation.converter.gui.helpers.LengthCalculatorListener;
import javax.swing.*;
import javax.swing.event.TableModelEvent;
import static javax.swing.SwingUtilities.invokeLater;
import static javax.swing.event.TableModelEvent.UPDATE;
import static slash.common.io.Transfer.formatDuration;
import static slash.navigation.base.RouteCharacteristics.Waypoints;
import static slash.navigation.converter.gui.helpers.PositionHelper.formatDistance;
import static slash.navigation.converter.gui.models.PositionColumns.LATITUDE_COLUMN_INDEX;
import static slash.navigation.converter.gui.models.PositionColumns.LONGITUDE_COLUMN_INDEX;
import static slash.navigation.gui.helpers.JTableHelper.isFirstToLastRow;
/**
* A bidirectional adapter that extracts the route length and duration
* of a {@link PositionsModel} for display.
*
* @author Christian Pesch
*/
public class LengthToJLabelAdapter extends PositionsModelToDocumentAdapter {
private final JLabel labelLength;
private final JLabel labelDuration;
public LengthToJLabelAdapter(PositionsModel positionsModel,
LengthCalculator lengthCalculator,
JLabel labelLength, JLabel labelDuration) {
super(positionsModel);
this.labelLength = labelLength;
this.labelDuration = labelDuration;
lengthCalculator.addLengthCalculatorListener(new LengthCalculatorListener() {
public void calculatedDistance(final int meters, final int seconds) {
invokeLater(new Runnable() {
public void run() {
updateLabel(meters, seconds);
}
});
}
});
}
protected String getDelegateValue() {
throw new UnsupportedOperationException();
}
private void updateLabel(int meters, int seconds) {
labelLength.setText(meters > 0 ? formatDistance((double) meters) : "-");
Long milliseconds = (long) seconds * 1000;
labelDuration.setText(milliseconds > 0 ? formatDuration(milliseconds) : "-");
}
protected void updateAdapterFromDelegate(TableModelEvent e) {
// ignored updates on columns not displayed
if (e.getType() == UPDATE &&
!isFirstToLastRow(e) &&
!(e.getColumn() == LONGITUDE_COLUMN_INDEX || e.getColumn() == LATITUDE_COLUMN_INDEX))
return;
if (getDelegate().isContinousRange())
return;
BaseRoute route = getDelegate().getRoute();
if (route != null && route.getCharacteristics() == Waypoints) {
updateLabel(0, 0);
}
}
}