| gvSIG desktop 1

/* 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: DotDensityLegend.java 11704 2007-05-17 09:43:35Z jaume $

* $Log$

* Revision 1.4  2007-05-17 09:32:06  jaume

* *** empty log message ***

*

* Revision 1.3  2007/03/09 11:20:56  jaume

* Advanced symbology (start committing)

*

* Revision 1.2.2.5  2007/02/21 07:34:09  jaume

* labeling starts working

*

* Revision 1.2.2.4  2007/02/15 16:23:44  jaume

* *** empty log message ***

*

* Revision 1.2.2.3  2007/02/12 15:15:20  jaume

* refactored interval legend and added graduated symbol legend

*

* Revision 1.2.2.2  2007/02/09 07:47:04  jaume

* Isymbol moved

*

* Revision 1.2.2.1  2007/01/26 13:48:17  jaume

* *** empty log message ***

*

* Revision 1.2  2007/01/16 11:50:50  jaume

* *** empty log message ***

*

* Revision 1.1  2007/01/10 16:39:41  jaume

* ISymbol now belongs to com.iver.cit.gvsig.fmap.core.symbols package

*

* Revision 1.2  2006/11/17 12:49:58  jaume

* *** empty log message ***

*

* Revision 1.1  2006/11/14 12:30:26  jaume

* *** empty log message ***

*

*

*/

package com.iver.cit.gvsig.fmap.rendering;

import java.awt.Color;

import com.hardcode.gdbms.engine.values.NumericValue;

import com.hardcode.gdbms.engine.values.Value;

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

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

import com.iver.cit.gvsig.fmap.core.symbols.DotDensityFillSymbol;

import com.iver.cit.gvsig.fmap.core.symbols.IFillSymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ILineSymbol;

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

import com.iver.cit.gvsig.fmap.core.symbols.MultiLayerFillSymbol;

import com.iver.utiles.StringUtilities;

import com.iver.utiles.XMLEntity;

/**

 * @author  jaume dominguez faus - jaume.dominguez@iver.es

 */

public class DotDensityLegend extends VectorialUniqueValueLegend {

    private double dotValue;

    private static final int SIMPLE_FILL_LAYER_INDEX = 0;

    private static final int DOT_DENSITY_LAYER_INDEX = 1;

    public ISymbol getSymbolByValue(Value key) {

            MultiLayerFillSymbol sym = (MultiLayerFillSymbol) getDefaultSymbol();

            DotDensityFillSymbol densitySym = (DotDensityFillSymbol) sym.getLayer(DOT_DENSITY_LAYER_INDEX);

                densitySym.setDotCount((int) (((NumericValue) key).doubleValue()/dotValue));

        return sym;

    }

    public ISymbol getSymbolByFeature(IFeature feat) {

        return getSymbolByValue(feat.getAttribute(fieldId));

    }

    public void setDotValue(double dotValue) {

        this.dotValue = dotValue;

    }

    public XMLEntity getXMLEntity() {

        XMLEntity xml = new XMLEntity();

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

        xml.putProperty("dotValue", dotValue);

        xml.putProperty("fieldName", getFieldNames());

        xml.addChild(getDefaultSymbol().getXMLEntity());

        return xml;

    }

    public void setXMLEntity(XMLEntity xml) {

        dotValue = xml.getDoubleProperty("dotValue");

        setFieldNames(xml.getStringArrayProperty("fieldName"));

        setDefaultSymbol(SymbologyFactory.createSymbolFromXML(xml.getChild(0), null));

    }

    public ILineSymbol getOutline() {

            try {

                    // defined by the SimpleFillSymbol layer

            IFillSymbol symbol = (IFillSymbol) ((MultiLayerFillSymbol) getDefaultSymbol()).

                    getLayer(SIMPLE_FILL_LAYER_INDEX);

                return symbol.getOutline();

        } catch (NullPointerException npE) {

                return null;

        }

    }

    public Color getDotColor() {

            try {

                    // defined by the DotDensitySymbol layer

                    DotDensityFillSymbol sym = (DotDensityFillSymbol) ((MultiLayerFillSymbol) getDefaultSymbol()).

                             getLayer(DOT_DENSITY_LAYER_INDEX);

                return sym.getDotColor();

        } catch (NullPointerException npE) {

                return null;

        }

    }

    public Color getBGColor() {

            try {

                    // defined by the SimpleFillSymbol layer

                    IFillSymbol symbol = (IFillSymbol) ((MultiLayerFillSymbol) getDefaultSymbol()).

                    getLayer(SIMPLE_FILL_LAYER_INDEX);

                    return symbol.getFillColor();

            } catch (NullPointerException npE) {

                    return null;

            }

    }

    public double getDotValue() {

            try {

                XMLEntity xml = getXMLEntity();

                    return xml.getDoubleProperty("dotValue");

            } catch (NullPointerException npE) {

                    return 0;

            }

    }

    public double getDotSize() {

            try {

                    // defined by the DotDensitySymbol layer

                    DotDensityFillSymbol sym = (DotDensityFillSymbol) ((MultiLayerFillSymbol) getDefaultSymbol()).

                    getLayer(DOT_DENSITY_LAYER_INDEX);

                    return sym.getDotSize();

            } catch (NullPointerException npE) {

                    return -1; // TODO define default

            }

    }

}