| gvSIG desktop 1

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

 *

 * Copyright (C) 2005 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.

 */

package org.gvsig.rastertools.colortable.data;

import java.util.ArrayList;

import java.util.Hashtable;

import java.util.Iterator;

import org.gvsig.raster.datastruct.ColorTable;

/**

 *

 * @version 27/09/2007

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class ColorTableData {

        private ArrayList  actionCommandListeners = new ArrayList();

        private Hashtable options = new Hashtable();

        /**

         * @return the colorTable

         */

        public ColorTable getColorTable() {

                return (ColorTable) options.get("colorTable");

        }

        /**

         * @param colorTable the colorTable to set

         */

        public void setColorTable(ColorTable colorTable) {

                setOption("colorTable", colorTable);

        }

        /**

         * @return the hasChanged

         */

        public boolean isChanged() {

                Boolean n = (Boolean) options.get("changed");

                if (n != null)

                        return n.booleanValue();

                return false;

        }

        /**

         * @param hasChanged the hasChanged to set

         */

        public void setHasChanged(boolean changed) {

                setOption("changed", new Boolean(changed));

        }

        /**

         * Refresca la vista previa

         */

        public void refreshPreview() {

                setOption("refreshPreview", new Boolean(true));

        }

        /**

         * Especifica el valor de una variable

         * @param name

         * @param value

         */

        public void setOption(String name, Object value) {

                options.put(name, value);

                callValueChangedListeners(name, value);

        }

        /**

         * A?adir un listener a la lista de eventos

         * @param listener

         */

        public void addValueChangedListener(ColorTableDataListener listener) {

                if (!actionCommandListeners.contains(listener))

                        actionCommandListeners.add(listener);

        }

        /**

         * Borrar un listener de la lista de eventos

         * @param listener

         */

        public void removeValueChangedListener(ColorTableDataListener listener) {

                actionCommandListeners.remove(listener);

        }

        /**

         * Invocar a los eventos asociados al componente

         */

        private void callValueChangedListeners(String name, Object value) {

                Iterator acIterator = actionCommandListeners.iterator();

                while (acIterator.hasNext()) {

                        ColorTableDataListener listener = (ColorTableDataListener) acIterator.next();

                        listener.actionValueChanged(new ColorTableDataEvent(this, name, value));

                }

        }

}