Application: gvSIG desktop

/* 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.rendering;

import java.util.ArrayList;

import com.hardcode.gdbms.engine.data.DataSource;

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

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

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

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

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

import com.iver.cit.gvsig.fmap.core.v02.FConstant;

import com.iver.cit.gvsig.fmap.core.v02.FSymbol;

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

import com.iver.utiles.XMLEntity;

/**

 * Leyenda se s?mbolo ?nico.

 *

 * @author Vicente Caballero Navarro

 */

public class SingleSymbolLegend implements VectorialLegend, Legend{

        private ISymbol defaultSymbol;

        private String labelFieldName = null;

        private String labelFieldHeight = null;

        private String labelFieldRotation = null;

        private int shapeType = FShape.POLYGON; // Por defecto, tipo pol?gono

        // private boolean bWithHeightText;

        /**

         * Crea un nuevo SingleSymbolLegend.

         *

         * @param style S?mbolo.

         */

        public SingleSymbolLegend(FSymbol style) {

                defaultSymbol = style;

        }

        /**

         * Crea un nuevo SingleSymbolLegend.

         */

        public SingleSymbolLegend() {

                defaultSymbol = LegendFactory.DEFAULT_POLYGON_SYMBOL;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setDefaultSymbol(ISymbol)

         */

        public void setDefaultSymbol(ISymbol s) {

                setShapeType(s.getSymbolType());

                defaultSymbol = s;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getLabelField()

         */

        public String getLabelField() {

                return labelFieldName;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setLabelField(int)

         */

        public void setLabelField(String fieldName) {

                labelFieldName = fieldName;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getSymbol(int)

         */

        public ISymbol getSymbol(int recordIndex) {

                return defaultSymbol;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.Legend#getDefaultSymbol()

         */

        public ISymbol getDefaultSymbol() {

                return defaultSymbol;

        }

        /**

         * creates the SLD String that defines this legend type.

         */

        public String getSLDString(String layerName)

        {

//                StyledLayerDescriptor sld = new StyledLayerDescriptor();

//                StyleFactory styleFactory = StyleFactory.createStyleFactory();

//                Style style = styleFactory.createStyle();

//                style.setName("default");

//            try{

//                        FeatureTypeStyle featStyle = styleFactory.createFeatureTypeStyle();

//                        Symbolizer[] theSymbolizers = new Symbolizer[1];

//                        theSymbolizers[0] = SDLUtils.toGeotoolsSymbol(this.defaultSymbol);

//                        Rule myRule = styleFactory.createRule();

//                        myRule.setSymbolizers(theSymbolizers);

//                        featStyle.addRule(myRule);

//                        style.addFeatureTypeStyle(featStyle);

//                        NamedLayer namedLayer = new NamedLayer();

//                        namedLayer.setName("comunidades");

//                        namedLayer.addStyle(style);

//                        sld.addStyledLayer(namedLayer);

//                        SLDTransformer st = new SLDTransformer();

//                        String result =  st.transform(style);

//                        return result;

//            }catch(Exception e) {

//                    e.printStackTrace();

//                    return null;

//            }

                try{

                        XmlBuilder xmlBuilder = new XmlBuilder();

                        xmlBuilder.writeHeader();

                        xmlBuilder.openTag(SLDTags.SLD_ROOT, SLDTags.VERSION_ATTR, SLDTags.VERSION_1_0_0);

                        xmlBuilder.openTag(SLDTags.NAMEDLAYER);

                        xmlBuilder.writeTag(SLDTags.NAME,layerName);

                        xmlBuilder.openTag(SLDTags.USERSTYLE);

                        xmlBuilder.openTag(SLDTags.FEATURETYPESTYLE);

                        xmlBuilder.writeTag(SLDTags.FEATURETYPENAME,"FeatureTypeName");

                        xmlBuilder.openTag(SLDTags.RULE);

                        if (this.defaultSymbol instanceof ISLDCompatible)

                        {

                                ISLDCompatible symSLD = (ISLDCompatible) this.defaultSymbol;

                                xmlBuilder.writeRaw(symSLD.toSLD());

                        }

                        else

                                throw new RuntimeException("Cannot convert default Symbol " + this.defaultSymbol.getDescription() + " to SLD");

                        xmlBuilder.closeTag();

                        xmlBuilder.closeTag();

                        xmlBuilder.closeTag();

                        xmlBuilder.closeTag();

                        xmlBuilder.closeTag();

                        return xmlBuilder.getXML();

                }

                catch(Exception e)

                {

                        e.printStackTrace();

                        return null;

                }

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.Legend#getXMLEntity()

         */

        public XMLEntity getXMLEntity() {

                XMLEntity xml = new XMLEntity();

                xml.putProperty("className",this.getClass().getName());

                xml.putProperty("labelFieldName", labelFieldName);

        xml.putProperty("labelHeightFieldName", labelFieldHeight);

        xml.putProperty("labelRotationFieldName", labelFieldRotation);

                xml.addChild(defaultSymbol.getXMLEntity());

                return xml;

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setXMLEntity()

         */

        public void setXMLEntity03(XMLEntity xml) {

                setLabelField(xml.getStringProperty("labelFieldName"));

                FSymbol auxSym = FSymbol.createFromXML03(xml.getChild(0));

                setDefaultSymbol(auxSym);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setXMLEntity()

         */

        public void setXMLEntity(XMLEntity xml) {

                setLabelField(xml.getStringProperty("labelFieldName"));

        if (xml.contains("labelHeightFieldName"))

            setLabelHeightField(xml.getStringProperty("labelHeightFieldName"));

        if (xml.contains("labelRotationFieldName"))

            setLabelRotationField(xml.getStringProperty("labelRotationFieldName"));

                FSymbol auxSym = FSymbol.createFromXML(xml.getChild(0));

                setDefaultSymbol(auxSym);

        }

        /**

         * @see com.iver.cit.gvsig.fmap.rendering.Legend#cloneLegend()

         */

        public Legend cloneLegend() throws XMLException {

                return (Legend) LegendFactory.createFromXML(getXMLEntity());

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setDataSource(com.hardcode.gdbms.engine.data.DataSource)

         */

        public void setDataSource(DataSource ds) {

                // No hacemos nada, no lo vamos a usar

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getShapeType()

         */

        public int getShapeType() {

                return shapeType;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#setShapeType(int)

         */

        public void setShapeType(int shapeType) {

                if (this.shapeType != shapeType) {

                        switch (shapeType) {

                                case FShape.POINT:

                                        defaultSymbol = new FSymbol(FConstant.SYMBOL_TYPE_POINT);

                                        break;

                                case FShape.LINE:

                                        defaultSymbol = new FSymbol(FConstant.SYMBOL_TYPE_LINE);

                                        break;

                                case FShape.POLYGON:

                                        defaultSymbol = new FSymbol(FConstant.SYMBOL_TYPE_FILL);

                                        break;

                        }

                        this.shapeType = shapeType;

                }

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getLabelHeightField()

         */

        public String getLabelHeightField() {

                return labelFieldHeight;

        }

        /**

         * Inserta el texto que refleja el alto del campo.

         *

         * @param str String.

         */

        public void setLabelHeightField(String str) {

                labelFieldHeight = str;

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getLabelRotationField()

         */

        public String getLabelRotationField() {

                return labelFieldRotation;

        }

        /**

         * Inserta el texto que refleja la rotaci?n del campo.

         *

         * @param str String.

         */

        public void setLabelRotationField(String str) {

                labelFieldRotation = str;

        }

    public ISymbol getSymbolByFeature(IFeature feat) {

        return defaultSymbol;

    }

        public void useDefaultSymbol(boolean b) {

                // TODO Auto-generated method stub

        }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.fmap.rendering.VectorialLegend#getUsedFields()

     */

    public String[] getUsedFields() {

        ArrayList usedFields = new ArrayList();

        if (getLabelField() != null)

            usedFields.add(getLabelField());

        if (getLabelHeightField() != null)

            usedFields.add(getLabelHeightField());

        if (getLabelRotationField() != null)

            usedFields.add(getLabelRotationField());

        return (String[]) usedFields.toArray(new String[0]);

    }

        /* public boolean isBWithHeightText() {

                return bWithHeightText;

        }

        public void setBWithHeightText(boolean withHeightText) {

                bWithHeightText = withHeightText;

        } */

}