package org.geogebra.common.kernel.advanced;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.commands.CommandProcessor;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.main.MyError;
/**
* SelectedElement[ <list>, <n> ] SelectedElement[ <point>, <n> ]
*/
public class CmdSelectedIndex extends CommandProcessor {
/**
* Create new command processor
*
* @param kernel
* kernel
*/
public CmdSelectedIndex(Kernel kernel) {
super(kernel);
}
@Override
final public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
GeoElement[] arg;
switch (n) {
case 1:
arg = resArgs(c);
// list
if (arg[0].isGeoList())
{
AlgoSelectedIndex algo = new AlgoSelectedIndex(cons,
c.getLabel(), (GeoList) arg[0]);
GeoElement[] ret = { algo.getElement() };
return ret;
}
throw argErr(app, c, arg[0]);
default:
throw argNumErr(app, c, n);
}
}
}