Application: gvSIG desktop

/*

 * Created on 14-abr-2005

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 * DwgMemoryDriver 0.2. Driver del formato DWG para gvSIG

 *

 * 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

 */

/* CVS MESSAGES:

*

* $Id: DwgMemoryDriver.java 10628 2007-03-06 17:27:42Z caballero $

* $Log$

* Revision 1.8  2007-03-06 17:27:31  caballero

* Exceptions

*

* Revision 1.7  2007/02/27 17:18:03  azabala

* solved bug with text orientation

*

* Revision 1.6  2007/02/14 16:17:22  azabala

* *** empty log message ***

*

* Revision 1.5  2007/01/20 18:30:37  azabala

* refactoring of blocks

*

* Revision 1.4  2007/01/18 19:59:10  azabala

* refactoring to optimize and simplify the code

*

* Revision 1.3  2007/01/18 13:36:42  azabala

* Refactoring general para evitar dar tantas pasadas en la carga, y para incrementar

* la legibilidad del codigo (demasiados if-else-if en vez de usar polimorfismo)

*

* Revision 1.2  2007/01/12 19:57:44  azabala

* *** empty log message ***

*

* Revision 1.1  2007/01/11 20:31:05  azabala

* *** empty log message ***

*

*

*/

package com.iver.cit.gvsig.drivers.dwg;

import java.awt.Color;

import java.awt.Font;

import java.awt.geom.Point2D;

import java.io.File;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

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

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

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

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

import com.hardcode.gdbms.engine.data.driver.ObjectDriver;

import com.hardcode.gdbms.engine.data.edition.DataWare;

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

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

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

import com.iver.cit.gvsig.fmap.core.FPolygon2D;

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.fmap.rendering.Legend;

import com.iver.cit.gvsig.fmap.rendering.LegendFactory;

import com.iver.cit.gvsig.fmap.rendering.VectorialUniqueValueLegend;

import com.iver.cit.jdwglib.dwg.DwgFile;

import com.iver.cit.jdwglib.dwg.DwgObject;

import com.iver.cit.jdwglib.dwg.DwgVersionNotSupportedException;

import com.iver.cit.jdwglib.dwg.IDwg2FMap;

import com.iver.cit.jdwglib.dwg.IDwg3DTestable;

import com.iver.cit.jdwglib.dwg.objects.DwgMText;

import com.iver.cit.jdwglib.dwg.objects.DwgText;

import com.iver.cit.jdwglib.util.AcadColor;

/**

 * Driver that allows gvSIG to read files in DWG format Using this driver, a

 * gvSIG user can manipulate part of the information contained in a DWG file

 * This driver load the Dwg file in memory This driver uses jdwglib

 *

 * @author jmorell

 */

public class DwgMemoryDriver extends AbstractCadMemoryDriver implements

                VectorialFileDriver, WithDefaultLegend {

        VectorialUniqueValueLegend defaultLegend;

        private File m_Fich;

        private DwgFile dwg;

        private List dwgObjects;

        private DriverAttributes attr = new DriverAttributes();

        private boolean isInitialized = false;

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.drivers.MemoryDriver#open(java.io.File)

         */

        public void open(File f) {

                m_Fich = f;

        }

        /**

         * Allows recovering of the DWG Drawing entity

         * associated to the FMap feature whose position

         * is index

         * @param index position of the fmap feature whose

         * dwg entity is required

         *

         * */

        public Object getCadSource(int index){

                return dwg.getDwgObject(index);

        }

        /**

         * This method load the DWG file in memory. First, it will be necessary to

         * create a DwgFile object with the DWG file path as the argument. Second,

         * the method read of DwgFile allows to read the objects inside the DWG

         * file. Third, it will be necessary to process some DWG objects like Layers

         * or Polylines Fourth, applyExtrusions() can change the location of the DWG

         * objects through the extrusion parameters. Fifth, the testDwg3D method

         * test if this DWG has elevation informacion. Sixth, we can extract the

         * objects contained inside the blocks through the blockManagement method.

         * And finally, we can read the objects Vector, and convert this objects to

         * the FMap object model.

         * @throws InitializeDriverException

         */

        public void initialize() throws InitializeDriverException {

                if (isInitialized)

                        return;

                else

                        isInitialized = true;

                float heightText = 10;

                attr.setLoadedInMemory(true);

                dwg = new DwgFile(m_Fich.getAbsolutePath());

                try {

                        dwg.read();

                } catch (DwgVersionNotSupportedException e1) {

                        String autodeskUrl = "<a href=\"http://usa.autodesk.com/adsk/servlet/item?siteID=123112&id=7024151\">"

                                        + "http://usa.autodesk.com/adsk/servlet/item?siteID=123112&id=7024151</a>";

//                        throw new InitializeDriverException(

//                                        formatString(

//                                                        "La version (%s) del fichero DWG '%s' no esta soportada por gvSIG.\n%s\n%s\n%s",

//                                                        new String[] { e1.getDwgVersion().toString(),

//                                                                        m_Fich.getName(),

//                                                                        Messages.getText("Probe_to_convert"),

//                                                                        Messages.getText("Autodesk_converter"),

//                                                                        autodeskUrl }));

                        String description=formatString(

                                        "La version (%s) del fichero DWG '%s' no esta soportada por gvSIG.\n%s\n%s\n%s",

                                        new String[] { e1.getDwgVersion().toString(),

                                                        m_Fich.getName(),

                                                        Messages.getText("Probe_to_convert"),

                                                        Messages.getText("Autodesk_converter"),

                                                        autodeskUrl });

                        throw new UnsupportedVersionDriverException(getName(),e1,description);

                } catch (IOException e) {

                        throw new InitializeDriverException(getName(),e);

                }

                // dwg.initializeLayerTable();

                dwg.calculateGisModelDwgPolylines();

                dwg.blockManagement2();

                dwgObjects = dwg.getDwgObjects();

                // Campos de las MemoryLayer:

                Value[] auxRow = new Value[10];

                ArrayList arrayFields = new ArrayList();

                arrayFields.add("ID");

                arrayFields.add("FShape");

                arrayFields.add("Entity");

                arrayFields.add("Layer");

                arrayFields.add("Color");

                arrayFields.add("Elevation");

                arrayFields.add("Thickness");

                arrayFields.add("Text");

                arrayFields.add("HeightText");

                arrayFields.add("RotationText");

                getTableModel().setColumnIdentifiers(arrayFields.toArray());

                boolean is3dFile = dwg.isDwg3DFile();

                for (int i = 0; i < dwgObjects.size(); i++) {

                        DwgObject entity = (DwgObject) dwgObjects.get(i);

                        if(entity instanceof IDwg2FMap){

                                IDwg2FMap dwgEnt = (IDwg2FMap)entity;

                                //TODO Ojo, revisar las fshape a null

                                FShape fshape = dwgEnt.toFMapGeometry(is3dFile);

                                String fmapStr = dwgEnt.toFMapString(is3dFile);

                                //nombre del tipo de geometria fmap

                                auxRow[ID_FIELD_FSHAPE] = ValueFactory.createValue(fmapStr);

                                //indice del registro

                                auxRow[ID_FIELD_ID] = ValueFactory.createValue(i);

                                //nombre de entidad dwg

                                auxRow[ID_FIELD_ENTITY] = ValueFactory.createValue(dwgEnt.toString());

                                String layerName = dwg.getLayerName(entity);

                                auxRow[ID_FIELD_LAYER] = ValueFactory.createValue(layerName);

                                int color = entity.getColor();

                                int colorByLayer = dwg.getColorByLayer(entity);

                                // TODO: if (color==0) color ByBlock

                                if (color == 256)

                                        color = colorByLayer;

                                auxRow[ID_FIELD_COLOR] = ValueFactory.createValue(color);

                                auxRow[ID_FIELD_HEIGHTTEXT] = ValueFactory.createValue(0.0);

                                auxRow[ID_FIELD_ROTATIONTEXT] = ValueFactory.createValue(0.0);

                                auxRow[ID_FIELD_TEXT] = ValueFactory.createNullValue();

                                auxRow[ID_FIELD_THICKNESS] = ValueFactory.createValue(0.0);

                                if(entity instanceof IDwg3DTestable){

                                        auxRow[ID_FIELD_ELEVATION] =

                                                ValueFactory.createValue(((IDwg3DTestable)entity).getZ());

                                }

                                if(entity instanceof DwgMText){

                                        DwgMText mtext = (DwgMText) entity;

                                        auxRow[ID_FIELD_TEXT] = ValueFactory.

                                                                createValue(mtext.getText());

                                        auxRow[ID_FIELD_HEIGHTTEXT] = ValueFactory.

                                                                createValue(mtext.getHeight());

                                }else if(entity instanceof DwgText){

                                        DwgText text = (DwgText) entity;

                                        auxRow[ID_FIELD_TEXT] = ValueFactory.

                                                        createValue(text.getText());

                                        auxRow[ID_FIELD_THICKNESS] = ValueFactory.

                                                        createValue(text.getThickness());

                                        auxRow[ID_FIELD_HEIGHTTEXT] = ValueFactory.

                                                        createValue(text.getHeight());

                                        auxRow[ID_FIELD_ROTATIONTEXT] = ValueFactory.

                                                        createValue(Math.toDegrees(text.getRotationAngle()));

                                }//if-else

                                addShape(fshape, auxRow);

                        }//if instanceof

                        else{

                        }

                }//for

                FSymbol myDefaultSymbol = new FSymbol(getShapeType());

                myDefaultSymbol.setShapeVisible(false);

                myDefaultSymbol.setFontSizeInPixels(false);

                myDefaultSymbol.setFont(new Font("SansSerif", Font.PLAIN, 9));

                myDefaultSymbol.setFontColor(Color.BLACK);

                myDefaultSymbol.setFontSize(heightText);

                myDefaultSymbol.setStyle(FConstant.SYMBOL_STYLE_DGNSPECIAL);

                myDefaultSymbol.setSize(3);

                myDefaultSymbol.setSizeInPixels(true);

                defaultLegend = LegendFactory

                                .createVectorialUniqueValueLegend(getShapeType());

                defaultLegend.setFieldName("Color");

                defaultLegend.setLabelField("Text");

                defaultLegend.setDefaultSymbol(myDefaultSymbol);

                defaultLegend.setLabelHeightField("HeightText");

                defaultLegend.setLabelRotationField("RotationText");

                ObjectDriver rs = this;

                IntValue clave;

                FSymbol theSymbol = null;

                try {

                        for (long j = 0; j < rs.getRowCount(); j++) {

                                clave = (IntValue) rs.getFieldValue(j, ID_FIELD_COLOR);

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

                                        theSymbol = new FSymbol(getShapeType());

                                        theSymbol.setDescription(clave.toString());

                                        theSymbol.setColor(AcadColor.getColor(clave.getValue()));

                                        // theSymbol.setFill(fillProv);

                                        // 050202, jmorell: Asigna los colores de Autocad a los

                                        // bordes

                                        // de los pol?gonos.

                                        theSymbol.setOutlineColor(AcadColor.getColor(clave

                                                        .getValue()));

                                        theSymbol.setStyle(FConstant.SYMBOL_STYLE_DGNSPECIAL);

                                        theSymbol.setSize(3);

                                        theSymbol.setSizeInPixels(true);

                                        defaultLegend.addSymbol(clave, theSymbol);

                                }//if

                        } // for

                } catch (ReadDriverException e) {

                        throw new InitializeDriverException(getName(),e);

                }

        }

        public String getFileVersion() {

                return dwg.getDwgVersion();

        }

        private String formatString(String fmt, String[] params) {

                String ret = fmt;

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

                        ret = ret.replaceFirst("%s", params[i]);

                }

                return ret;

        }

        /**

         * Method that changes a Point2D array to a FPolygon2D. Is useful to convert

         * a polygon given by it points to a FPolygon2D, a polygon in the FMap model

         * object

         *

         * @param pts

         *            Array of Point2D that defines the polygon that will be

         *            converted in a FPolygon2D

         * @return FPolygon2D This FPolygon2D is build using the array of Point2D

         *         that is the argument of the method

         */

        private FPolygon2D points2DToFPolygon2D(Point2D[] pts) {

                GeneralPathX genPathX = new GeneralPathX();

                genPathX.moveTo(pts[0].getX(), pts[0].getY());

                for (int i = 1; i < pts.length; i++) {

                        genPathX.lineTo(pts[i].getX(), pts[i].getY());

                }

                genPathX.closePath();

                return new FPolygon2D(genPathX);

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.drivers.MemoryDriver#accept(java.io.File)

         */

        public boolean accept(File f) {

                return f.getName().toUpperCase().endsWith("DWG");

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.drivers.MemoryDriver#getShapeType()

         */

        public int getShapeType() {

                return FShape.MULTI;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.drivers.MemoryDriver#getName()

         */

        public String getName() {

                return "gvSIG DWG Memory Driver";

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.drivers.WithDefaultLegend#getDefaultLegend()

         */

        public Legend getDefaultLegend() {

                return defaultLegend;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getDriverAttributes()

         */

        public DriverAttributes getDriverAttributes() {

                return attr;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getPrimaryKeys()

         */

        public int[] getPrimaryKeys() {

                // TODO Auto-generated method stub

                return null;

        }

        /*

         * (non-Javadoc)

         *

         * @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#write(com.hardcode.gdbms.engine.data.edition.DataWare)

         */

        public void write(DataWare arg0) {

                // TODO Auto-generated method stub

        }

        public void setDataSourceFactory(DataSourceFactory arg0) {

                // TODO Auto-generated method stub

        }

        public void close() {

                // TODO Auto-generated method stub

        }

        public File getFile() {

                return m_Fich;

        }

        public boolean isWritable() {

                return m_Fich.canWrite();

        }

}