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package tim.prune.gui;
import tim.prune.data.Coordinate;
/**
* Functions for display of coordinates in gui
*/
public abstract class CoordDisplay
{
/**
* Construct an appropriate coordinate label using the selected format
* @param inCoordinate coordinate
* @param inFormat selected display format
* @return language-sensitive string
*/
public static String makeCoordinateLabel(Coordinate inCoordinate, Coordinate.Format inFormat)
{
String coord = inCoordinate.output(inFormat);
// Fix broken degree signs (due to unicode mangling)
final char brokenDeg = 65533;
if (coord.indexOf(brokenDeg) >= 0)
{
coord = coord.replaceAll(String.valueOf(brokenDeg), "\u00B0");
}
return restrictDP(coord);
}
/**
* Restrict the given coordinate to a limited number of decimal places for display
* @param inCoord coordinate string
* @return chopped string
*/
private static String restrictDP(String inCoord)
{
final int DECIMAL_PLACES = 7;
if (inCoord == null) return "";
String result = inCoord;
final int dotPos = Math.max(inCoord.lastIndexOf('.'), inCoord.lastIndexOf(','));
if (dotPos >= 0)
{
final int chopPos = dotPos + DECIMAL_PLACES;
if (chopPos < (inCoord.length()-1))
{
result = inCoord.substring(0, chopPos);
// Maybe there's an exponential in there too which needs to be appended
int expPos = inCoord.toUpperCase().indexOf("E", chopPos);
if (expPos > 0 && expPos < (inCoord.length()-1))
{
result += inCoord.substring(expPos);
}
}
}
return result;
}
}
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