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.CmdScripting;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.main.MyError;
/**
* SetConstructionStep[ <Number> ]
*
* @author Michael Borcherds
*/
public class CmdSetConstructionStep extends CmdScripting {
/**
* Create new command processor
*
* @param kernel
* kernel
*/
public CmdSetConstructionStep(Kernel kernel) {
super(kernel);
}
@Override
protected GeoElement[] perform(Command c) throws MyError {
int n = c.getArgumentNumber();
GeoElement[] arg;
arg = resArgs(c);
switch (n) {
case 1:
double newStep = Math.round(arg[0].evaluateDouble() - 1);
int maxStep = cons.steps();
// eg SetConstructionStep[infinity] to set to end
if (newStep >= maxStep) {
newStep = maxStep - 1;
}
cons.setStep((int) newStep);
if (app.getGuiManager() != null) {
app.getGuiManager().updateNavBars();
}
return arg;
default:
throw argNumErr(app, c, n);
}
}
}