CmdRemove.java

package org.geogebra.common.kernel.commands;

import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.algos.AlgoRemove;
import org.geogebra.common.kernel.arithmetic.Command;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoList;
import org.geogebra.common.main.MyError;

/**
 * Clean[ <List> ]
 * 
 * @author Michael Borcherds
 * @version 2008-03-06
 */
public class CmdRemove extends CommandProcessor {
	/**
	 * Creates new command processor
	 * 
	 * @param kernel
	 *            kernel
	 */
	public CmdRemove(Kernel kernel) {
		super(kernel);
	}

	@Override
	public GeoElement[] process(Command c) throws MyError {
		int n = c.getArgumentNumber();
		boolean[] ok = new boolean[n];
		GeoElement[] arg;

		switch (n) {
		case 2:

			arg = resArgs(c);
			if ((ok[0] = arg[0].isGeoList()) && (ok[1] = arg[1].isGeoList())) {

				AlgoRemove algo = new AlgoRemove(cons, c.getLabel(),
						(GeoList) arg[0], (GeoList) arg[1]);

				GeoElement[] ret = { algo.getResult() };
				return ret;
			}
			throw argErr(app, c, getBadArg(ok, arg));
		default:
			throw argNumErr(app, c, n);
		}
	}

}