| 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.fieldmanagers;

import java.util.ArrayList;

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

import com.iver.cit.gvsig.fmap.edition.IFieldManager;

public abstract class AbstractFieldManager implements IFieldManager {

        protected ArrayList fieldCommands = new ArrayList();

        protected FieldDescription[] originalFields;

        public FieldDescription[] getOriginalFields() {

                return originalFields;

        }

        public void setOriginalFields(FieldDescription[] fields) {

                originalFields = fields;

        }

        public void addField(FieldDescription fieldDesc) {

                AddFieldCommand c = new AddFieldCommand(fieldDesc);

                fieldCommands.add(c);

        }

        public FieldDescription removeField(String fieldName) {

                RemoveFieldCommand c = new RemoveFieldCommand(fieldName);

                FieldDescription[] act = getFields();

                FieldDescription found = null;

                for (int i=0; i < act.length; i++)

                {

                        if (act[i].getFieldAlias().compareToIgnoreCase(fieldName) == 0)

                        {

                                found = act[i];

                                break;

                        }

                }

                fieldCommands.add(c);

                return found;

        }

        public void renameField(String antName, String newName) {

                RenameFieldCommand c = new RenameFieldCommand(antName, newName);

                fieldCommands.add(c);

        }

        public FieldDescription[] getFields()

        {

                ArrayList aux = new ArrayList();

                for (int i=0; i < aux.size(); i++)

                {

                        aux.add(getOriginalFields()[i]);

                }

                // procesamos comandos para devolver los campos reales.

                for (int j=0; j < fieldCommands.size(); j++)

                {

                        FieldCommand fc = (FieldCommand) fieldCommands.get(j);

                        if (fc instanceof AddFieldCommand)

                        {

                                AddFieldCommand ac = (AddFieldCommand) fc;

                                aux.add(ac.getFieldDesc());

                        }

                        if (fc instanceof RemoveFieldCommand)

                        {

                                RemoveFieldCommand rc = (RemoveFieldCommand) fc;

                                for (int k = 0; k < aux.size(); k++) {

                                        FieldDescription fAux = (FieldDescription) aux.get(k);

                                        if (fAux.getFieldAlias().compareTo(rc.getFieldName()) == 0) {

                                                aux.remove(k);

                                                break;

                                        }

                                }

                        }

                        if (fc instanceof RenameFieldCommand)

                        {

                                RenameFieldCommand renc = (RenameFieldCommand) fc;

                                for (int k = 0; k < aux.size(); k++) {

                                        FieldDescription fAux = (FieldDescription) aux.get(k);

                                        if (fAux.getFieldAlias().compareTo(renc.getAntName()) == 0) {

                                                fAux.setFieldAlias(renc.getNewName());

                                                break;

                                        }

                                }

                        }                        

                }

                return (FieldDescription[]) aux.toArray(new FieldDescription[0]);

        }

}