CmdButton.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.CommandProcessor;
import org.geogebra.common.kernel.geos.GeoButton;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoText;
import org.geogebra.common.main.MyError;

/**
 * Button[],Button[caption]
 * 
 * @author Zbynek
 *
 */
public class CmdButton extends CommandProcessor {

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

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

		// dummy

		switch (n) {
		case 1:

			arg = resArgs(c);
			if (arg[0].isGeoText()) {
				String caption = ((GeoText) arg[0]).getTextString();
				GeoButton gb = new GeoButton(cons);
				gb.setLabelVisible(true);
				gb.setLabel(c.getLabel());
				gb.setCaption(caption);
				gb.updateRepaint();
				return new GeoElement[] { gb };
			}
			throw argErr(app, c, arg[0]);
		case 0:
			GeoButton gb = new GeoButton(cons);
			gb.setLabelVisible(true);
			gb.setLabel(c.getLabel());
			gb.updateRepaint();
			return new GeoElement[] { gb };

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

	}
}