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/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

/*

* AUTHORS (In addition to CIT):

* 2008 IVER T.I. S.A.   {{Task}}

*/

package org.gvsig.dwg.fmap.dal.store.dwg.legend;

import java.awt.Color;

import org.gvsig.dwg.fmap.dal.store.dwg.DWGStoreProvider;

import org.gvsig.dwg.fmap.dal.store.dwg.LegendBuilder;

import org.gvsig.dxf.px.dxf.AcadColor;

import org.gvsig.fmap.dal.DataTypes;

import org.gvsig.fmap.dal.feature.spi.FeatureProvider;

import org.gvsig.fmap.dal.feature.spi.FeatureStoreProvider;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.rendering.legend.LegendFactory;

import org.gvsig.fmap.mapcontext.rendering.legend.VectorialUniqueValueLegend;

import org.gvsig.fmap.mapcontext.rendering.legend.styling.AttrInTableLabelingStrategy;

import org.gvsig.fmap.mapcontext.rendering.symbols.IFillSymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontext.rendering.symbols.SymbologyFactory;

public class DWGLegendBuilder implements LegendBuilder {

        private VectorialUniqueValueLegend defaultLegend = null;

        private AttrInTableLabelingStrategy labelingStragegy = null;

        public void begin() {

                // Nothing to do

        }

        public void end() {

                // Nothing to do

        }

        public Object getLegend() {

                return defaultLegend;

        }

        public LegendBuilder initialize(FeatureStoreProvider store) {

                defaultLegend = LegendFactory

                                .createVectorialUniqueValueLegend(Geometry.TYPES.GEOMETRY);

                defaultLegend

                                .setClassifyingFieldNames(new String[] { DWGStoreProvider.NAME_FIELD_COLOR });

                defaultLegend.setClassifyingFieldTypes(new int[] { DataTypes.INT });

                ISymbol myDefaultSymbol = SymbologyFactory

                                .createDefaultSymbolByShapeType(Geometry.TYPES.GEOMETRY,

                                                Color.BLACK);

                defaultLegend.setDefaultSymbol(myDefaultSymbol);

                labelingStragegy = new AttrInTableLabelingStrategy();

                labelingStragegy.setTextField(DWGStoreProvider.NAME_FIELD_TEXT);

                labelingStragegy

                                .setRotationField(DWGStoreProvider.NAME_FIELD_ROTATIONTEXT);

                labelingStragegy.setHeightField(DWGStoreProvider.NAME_FIELD_HEIGHTTEXT);

                labelingStragegy.setUnit(1); // MapContext.NAMES[1] (meters)

                return this;

        }

        public void process(FeatureProvider feature) {

                Integer clave = (Integer) feature.get("Color");

                if (clave == null) {

                        return;

                }

                if (defaultLegend.getSymbolByValue(clave) == null) {

                        ISymbol theSymbol;

                        Color color = null;

                        try {

                                color = AcadColor.getColor(clave.intValue());

                        } catch (ArrayIndexOutOfBoundsException e) {

                                color = AcadColor.getColor(255);

                        }

                        // jaume, moved to ISymbol

                        theSymbol = SymbologyFactory.createDefaultSymbolByShapeType(

                                        Geometry.TYPES.GEOMETRY, color);

                        theSymbol.setDescription(clave.toString());

                        // Asigna los colores de Autocad a los

                        // bordes

                        // de los pol?gonos.

                        if (theSymbol instanceof IFillSymbol) {

                                ((IFillSymbol) theSymbol).getOutline().setLineColor(color);

                        }

                        if (theSymbol != null) {

                                defaultLegend.addSymbol(clave, theSymbol);

                        }

                }

        }

        public Object getLabeling() {

                return labelingStragegy;

        }

}