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/* 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: FeatureDependentLabeled.java 10671 2007-03-09 08:33:43Z jaume $

* $Log$

* 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.symbology.fmap.labeling;

import java.util.ArrayList;

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

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

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.ILabelingMethod;

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

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

import com.iver.utiles.XMLEntity;

public class FeatureDependentLabeled implements ILabelingMethod {

        private boolean flagDefinesPriorities;

        private ArrayList<LabelClass> classes = new ArrayList<LabelClass>();

        public void addLabelClass(LabelClass lbl) throws IllegalArgumentException{

                if (getLabelClassByName(lbl.getName()) !=null) {

                        throw new IllegalArgumentException("A class with the same name already exists!");

                }

                classes.add(lbl);

        }

        public void deleteLabelClass(LabelClass lbl) {

                classes.remove(lbl);

        }

        public String getClassName() {

                return getClass().getName();

        }

        public XMLEntity getXMLEntity() {

                XMLEntity xml = new XMLEntity();

                xml.putProperty("className", getClassName());

                xml.putProperty("definesPriorities", definesPriorities());

                LabelClass[] labels = getLabelClasses();

                if (labels!=null) {

                        XMLEntity xmlLabels = new XMLEntity();

                        xmlLabels.putProperty("id", "LabelClasses");

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

                                xmlLabels.addChild(labels[i].getXMLEntity());

                        }

                        xml.addChild(xmlLabels);

                }

                return xml;

        }

        public LabelClass[] getLabelClasses() {

                return classes.toArray(new LabelClass[0]);

        }

        public void setXMLEntity(XMLEntity xml) {

                if (xml.contains("definesPriorities"))

                        setDefinesPriorities(xml.getBooleanProperty("definesPriorities"));

                XMLEntity aux = xml.firstChild("id", "defaultLabelClass");

//                if (aux!=null)

//                        defaultLabel = LabelingFactory.createLabelClassFromXML(aux);

                aux = xml.firstChild("id", "LabelClasses");

                if (aux!=null) {

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

                                addLabelClass(LabelingFactory.

                                                createLabelClassFromXML(aux.getChild(i)));

                        }

                }

        }

        public boolean allowsMultipleClass() {

                return true;

        }

        public void renameLabelClass(LabelClass lbl, String newName) {

                LabelClass label = (LabelClass) classes.get(classes.indexOf(lbl));

                label.setName(newName);

        }

        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 sql = "select "+sqlFields+" from "+layer.getRecordset().getName()+" where "+lc.getSQLQuery()+";";

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

        }

        public boolean definesPriorities() {

                return flagDefinesPriorities;

        }

        public void setDefinesPriorities(boolean flag) {

                if (flag == false) {

                        LabelClass[] lcs = getLabelClasses();

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

                                lcs[i].setPriority(0);

                        }

                }

                flagDefinesPriorities = flag;

        }

        public void clearAllClasses() {

                classes.clear();

        }

        public LabelClass getLabelClassByName(String labelName) {

                LabelClass[] classes = getLabelClasses();

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

                        if (classes[i].getName().equals(labelName)) {

                                return classes[i];

                        }

                }

                return null;

        }

        public ILabelingMethod cloneMethod() {

                // TODO Auto-generated method stub

                throw new Error("Not yet implemented!");

        }

}