Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.raster.swing.buffer.impl.operations.dynformfield;

import java.util.ArrayList;

import java.util.List;

import java.util.StringTokenizer;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.tools.dynform.spi.dynformfield.AbstractJDynFormFieldWithValueList;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.service.spi.ServiceManager;

/**

 * @author fdiaz

 *

 */

public class JDynFormFieldBands extends AbstractJDynFormFieldWithValueList {

        /**

         * @param parameters

         * @param serviceManager

         */

        public JDynFormFieldBands(DynObject parameters,

                        ServiceManager serviceManager) {

                super(parameters, serviceManager);

        }

        @Override

    protected String getDefaultValue(){

                return "";

        }

        @Override

    public Object getValue() {

            List<Integer> value = new ArrayList<>();

            //coger lo de la caja de texto, parsearla y devolver la lista de enteros (si no puede throws exception)

            String txt = getJTextField().getText();

            StringTokenizer st = new StringTokenizer(txt, ",");

            while (st.hasMoreTokens()){

                String token = st.nextToken();

                try {

                    value.add(new Integer(token));

            } catch (NumberFormatException e) {

                throw new IllegalFieldValue(this,"Can't convert value '"+txt+"' to integer list.");

            }

            }

            return value;

        }

        @SuppressWarnings("unchecked")

    @Override

        public void setValue(Object value) {

            if(value == null){

                getJTextField().setText("");

            }

            if(value instanceof List<?>){

                List<Integer> lista = (List<Integer>)value;

                getJTextField().setText(StringUtils.join(lista, ","));

            }

        }

        @Override

        public boolean hasValidValue() {

            try {

                getValue();

            } catch (IllegalFieldValue ex) {

                return false;

            }

            return true;

        }

}