/*******************************************************************************
* Copyright (c) MOBAC developers
*
* 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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package mobac.utilities.geo;
import java.text.FieldPosition;
import java.text.NumberFormat;
import java.text.ParsePosition;
import mobac.gui.MainGUI;
import mobac.program.interfaces.MapSpace;
import org.apache.log4j.Logger;
public class CoordinateTileFormat extends NumberFormat {
protected static Logger log = Logger.getLogger(CoordinateTileFormat.class);
private final boolean isLongitude;
public CoordinateTileFormat(boolean isLongitude) {
this.isLongitude = isLongitude;
}
@Override
public StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) {
MainGUI gui = MainGUI.getMainGUI();
MapSpace mapSpace = gui.getSelectedMapSource().getMapSpace();
int zoom = gui.previewMap.getZoom();
int tileNum = 0;
if (isLongitude)
tileNum = mapSpace.cLonToX(number, zoom);
else
tileNum = mapSpace.cLatToY(number, zoom);
toAppendTo.append(String.format("%d / z%d ", tileNum / mapSpace.getTileSize(), zoom));
return toAppendTo;
}
@Override
public StringBuffer format(long number, StringBuffer toAppendTo, FieldPosition pos) {
throw new RuntimeException("Not implemented");
}
@Override
public Number parse(String source, ParsePosition parsePosition) {
MainGUI gui = MainGUI.getMainGUI();
MapSpace mapSpace = gui.getSelectedMapSource().getMapSpace();
try {
String[] tokens = source.trim().split("/");
int zoom = 0;
int tileNum = 0;
if (tokens.length == 2) {
String s = tokens[1].trim();
if (s.startsWith("z"))
s = s.substring(1);
zoom = Integer.parseInt(s);
} else {
zoom = gui.previewMap.getZoom();
}
if (tokens.length > 0) {
String s = tokens[0];
s = s.trim();
if ((s.indexOf('.') < 0) && (s.indexOf(',') < 0)) {
tileNum = Integer.parseInt(s);
tileNum *= mapSpace.getTileSize();
} else {
double num = Double.parseDouble(s);
tileNum = (int) (num * mapSpace.getTileSize());
}
}
parsePosition.setIndex(source.length());
if (isLongitude)
return mapSpace.cXToLon(tileNum, zoom);
return mapSpace.cYToLat(tileNum, zoom);
} catch (Exception e) {
parsePosition.setErrorIndex(0);
log.error("e");
return null;
}
}
}