| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.edition.commands;

import java.io.IOException;

import com.iver.cit.gvsig.exceptions.commands.EditionCommandException;

import com.iver.cit.gvsig.fmap.drivers.DriverIOException;

/**

 * Registro para apilar los comandos que se van ejecutando.

 *

 * @author Vicente Caballero Navarro

 */

public interface CommandRecord {

        /**

         * A?ade un nuevo comando a la pila de deshacer(undos) y borra la de rehacer(redos).

         *

         * @param command Comando a a?adir.

         * @throws DriverIOException

         * @throws IOException

         */

        void pushCommand(Command command);

        /**

         * Deshace, ejecutando el ?ltimo comando de la pila de undos y

         * cambiandolo de esta pila a la de redos.

         * @throws IOException

         * @throws DriverIOException

         *

         * @throws DriverIOException

         * @throws IOException

         * @throws EditionCommandException

         */

        void undoCommand() throws EditionCommandException;

        /**

         * Rehacer, ejecuta el ?ltimo comando apilado en redos y

         * lo cambia a la pila de undos.

         * @throws IOException

         * @throws DriverIOException

         * @throws IOException

         * @throws DriverIOException

         */

        void redoCommand() throws EditionCommandException;

        /**

         * Devuelve true si quedan m?s comandos aplilados para deshacer.

         *

         * @return True si quedan comandos de deshacer.

         */

        boolean moreUndoCommands();

        /**

         * Devuelve true si quedan comandos para rehacer.

         *

         * @return True si quedan comandos para rehacer.

         */

        boolean moreRedoCommands();

        public Command[] getUndoCommands();

        public Command[] getRedoCommands();

        public int getPos();

        public void setPos(int pos) throws EditionCommandException;

        public void addCommandListener(CommandListener ecl);

        public void removeCommandListener(CommandListener e);

        public void fireCommandsRepaint(CommandEvent e);

        public int getCommandCount();

        /**

         * Removes all do's and undo's

         */

        public void clearAll();

}