package org.geogebra.common.kernel.statistics;
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.kernel.geos.GeoNumeric;
import org.geogebra.common.kernel.geos.GeoText;
import org.geogebra.common.main.MyError;
import org.geogebra.common.plugin.GeoClass;
/**
* StemPlot
*
* @author Michael Borcherds
*/
public class CmdStemPlot extends CommandProcessor {
/**
* Create new command processor
*
* @param kernel
* kernel
*/
public CmdStemPlot(Kernel kernel) {
super(kernel);
}
@Override
public GeoElement[] process(Command c) throws MyError {
int n = c.getArgumentNumber();
GeoElement[] arg;
arg = resArgs(c);
switch (n) {
case 1:
if (((arg[0].isGeoList()))) {
GeoList list = (GeoList) arg[0];
GeoElement[] ret = { StemPlot(c.getLabel(), list, null) };
return ret;
}
throw argErr(app, c, arg[0]);
case 2:
if (!arg[0].isGeoList()) {
throw argErr(app, c, arg[0]);
}
if (!arg[1].isGeoNumeric()) {
throw argErr(app, c, arg[1]);
}
GeoElement[] ret = { StemPlot(c.getLabel(), (GeoList) arg[0],
(GeoNumeric) arg[1]) };
return ret;
case 0:
throw argNumErr(app, c, n);
default:
GeoList list = wrapInList(kernelA, arg, arg.length,
GeoClass.DEFAULT);
if (list != null) {
GeoElement[] ret2 = { StemPlot(c.getLabel(), list, null) };
return ret2;
}
throw argErr(app, c, arg[0]);
}
}
/**
* StemPlot[list, number]
*
* @param label
* output label
* @param list
* list
* @param num
* scale adjustment
*/
private GeoText StemPlot(String label, GeoList list, GeoNumeric num) {
AlgoStemPlot algo = new AlgoStemPlot(cons, label, list, num);
GeoText text = algo.getResult();
return text;
}
}