CmdSetFixed.java

package org.geogebra.common.kernel.scripting;

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.GeoBoolean;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.main.MyError;

/**
 * SetFixed
 */
public class CmdSetFixed extends CmdScripting {

	/**
	 * Create new command processor
	 * 
	 * @param kernel
	 *            kernel
	 */
	public CmdSetFixed(Kernel kernel) {
		super(kernel);
	}

	@Override
	protected final GeoElement[] perform(Command c) throws MyError {
		int n = c.getArgumentNumber();
		GeoElement[] arg = resArgs(c);
		GeoElement arg2 = null;

		switch (n) {
		case 3:
			arg2 = arg[2];

			if (!arg2.isGeoBoolean()) {
				throw argErr(app, c, arg2);
			}
		case 2:
			if (arg[1].isGeoBoolean()) {

				GeoElement geo = arg[0];

				if (arg2 != null) {
					geo.setSelectionAllowed(((GeoBoolean) arg2).getBoolean());
				}

				geo.setFixed(((GeoBoolean) arg[1]).getBoolean());
				geo.updateRepaint();

				return arg;
			}
			throw argErr(app, c, arg[1]);

		default:
			throw argNumErr(app, c, n);
		}
	}
}