Application: gvSIG desktop

        /* 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.

 *

 * 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

 */

/* CVS MESSAGES:

*

* $Id: OnSelectionLabeled.java 10815 2007-03-20 16:16:20Z jaume $

* $Log$

* Revision 1.3  2007-03-20 16:16:20  jaume

* refactored to use ISymbol instead of FSymbol

*

* Revision 1.2  2007/03/09 08:33:43  jaume

* *** empty log message ***

*

* Revision 1.1.2.2  2007/02/01 11:42:47  jaume

* *** empty log message ***

*

* Revision 1.1.2.1  2007/01/30 18:10:45  jaume

* start commiting labeling stuff

*

*

*/

package org.gvsig.labeling.label;

import java.util.BitSet;

import org.gvsig.symbology.fmap.drivers.featureiterators.FeatureSelectionIterator;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.core.IFeature;

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

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.iver.cit.gvsig.fmap.rendering.styling.labeling.DefaultLabelingMethod;

import com.iver.cit.gvsig.fmap.rendering.styling.labeling.LabelClass;

/**

 *

 * OnSelectionLabeled.java

 *

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es Apr 2, 2008

 *

 */

public class OnSelectionLabeled extends DefaultLabelingMethod {

        @Override

        public String getClassName() {

                return getClass().getName();

        }

        public IFeatureIterator getFeatureIteratorByLabelClass(FLyrVect layer, LabelClass lc, ViewPort viewPort, String[] usedFields)

        throws ReadDriverException {

                String sqlFields = "";

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

                        sqlFields += usedFields[i];

                        if (i < usedFields.length -1) sqlFields += ", ";

                }

                String fieldNames[] = layer.getSource().getRecordset().getFieldNames();

                StringBuilder sql = new StringBuilder();

                sql.append("select ");

                for (int i=0; i<fieldNames.length-1; i++) {

                        sql.append(fieldNames[i]);

                        sql.append(",");

                }

                sql.append(fieldNames[fieldNames.length-1]);

                sql.append(" from ");

                sql.append(layer.getRecordset().getName());

                if(lc.isUseSqlQuery()){

                        sql.append(" where ");

                        sql.append(lc.getSQLQuery());

                }

                sql.append(";");

                return layer.getSource().getFeatureIterator(sql.toString(), layer.getProjection(),true);

        }

}