Application: gvSIG desktop

/*

 * Created on 10-nov-2005

 *

 * 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.gvsig.addeventtheme;

import java.awt.geom.Rectangle2D;

import java.io.IOException;

import com.hardcode.driverManager.DriverLoadException;

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

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

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

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

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

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

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

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

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

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

import com.iver.cit.gvsig.fmap.core.FPoint2D;

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

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

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

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

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

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

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

import com.iver.utiles.IPersistance;

import com.iver.utiles.XMLEntity;

/**

 * The class AddEventThemeDriver allows to create a new FLayer from a

 * gvSIG DataSource.

 *

 * @author jmorell

 */

public class AddEventThemeDriver implements VectorialDriver, ObjectDriver, BoundedShapes, IPersistance, IDataSourceListener {

    private Rectangle2D fullExtent = null;

    private DataSource ds;

    private int xFieldIndex;

    private int yFieldIndex;

    /**

     * Initializes this.

     * @param ds

     * @param xFieldIndex

     * @param yFieldIndex

     */

    public void setData(DataSource ds, int xFieldIndex, int yFieldIndex) {

        this.ds = ds;

        this.ds.addDataSourceListener(this);

        this.xFieldIndex = xFieldIndex;

        this.yFieldIndex = yFieldIndex;

    }

    public int[] getFieldsIndex(){

            int[] n=new int[2];

            n[0]=xFieldIndex;

            n[1]=yFieldIndex;

            return n;

    }

    public int getShapeType() {

        return FShape.POINT;

    }

    public int getShapeCount() throws IOException {

        try {

            return (int) ds.getRowCount();

        } catch (DriverException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return 0;

    }

    public DriverAttributes getDriverAttributes() {

        // TODO Auto-generated method stub

        return null;

    }

    public Rectangle2D getFullExtent() throws IOException {

        if (fullExtent == null) {

            try {

                for (int i=0;i<ds.getRowCount();i++) {

                    double x = (new Double(((Value)ds.getFieldValue((int)i, xFieldIndex)).toString())).doubleValue();

                    double y = (new Double(((Value)ds.getFieldValue((int)i, yFieldIndex)).toString())).doubleValue();

                    FGeometry geometry = ShapeFactory.createGeometry(new FPoint2D(x, y));

                    Rectangle2D rect = geometry.getBounds2D();

                    if (fullExtent == null) {

                        fullExtent = rect;

                    } else {

                        fullExtent.add(rect);

                    }

                }

            } catch (com.hardcode.gdbms.engine.data.driver.DriverException e1) {

                // TODO Auto-generated catch block

                e1.printStackTrace();

            }

        }

        return fullExtent;

    }

    public IGeometry getShape(int index){

        double x;

        double y;

        try {

            x = (new Double(((Value)ds.getFieldValue(index, xFieldIndex)).toString())).doubleValue();

            y = (new Double(((Value)ds.getFieldValue(index, yFieldIndex)).toString())).doubleValue();

            //System.err.println("La X = "+x+" , La Y = "+y);

            FGeometry geometry = ShapeFactory.createGeometry(new FPoint2D(x, y));

            return geometry;

        } catch (NumberFormatException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (DriverException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        return null;

    }

    public String getName() {

        return "Add Event Layer Driver";

    }

    public int[] getPrimaryKeys() throws DriverException {

        // TODO Auto-generated method stub

        return null;

    }

    public void write(DataWare dataWare) throws DriverException {

        // TODO Auto-generated method stub

    }

    public void setDataSourceFactory(DataSourceFactory arg0) {

        // TODO Auto-generated method stub

    }

    public Value getFieldValue(long rowIndex, int fieldId) throws DriverException {

        return ds.getFieldValue(rowIndex, fieldId);

    }

    public int getFieldCount() throws DriverException {

        return ds.getFieldCount();

    }

    public String getFieldName(int fieldId) throws DriverException {

        return ds.getFieldName(fieldId);

    }

    public long getRowCount() throws DriverException {

        return ds.getRowCount();

    }

    public int getFieldType(int i) throws DriverException {

        return ds.getFieldType(i);

    }

    public String getClassName() {

        return this.getClass().getName();

    }

    // Para guardar en el xml file

    public XMLEntity getXMLEntity() {

        XMLEntity xml = new XMLEntity();

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

        xml.putProperty("xFieldIndex", xFieldIndex);

        xml.putProperty("yFieldIndex", yFieldIndex);

        xml.putProperty("tableName", ds.getName());

        return xml;

    }

    // Para recuperar del xml file

    public void setXMLEntity(XMLEntity xml) {

        int xFieldIndex = xml.getIntProperty("xFieldIndex");

        int yFieldIndex = xml.getIntProperty("yFieldIndex");

        String tableName = xml.getStringProperty("tableName");

        try {

            DataSource ds = LayerFactory.getDataSourceFactory().createRandomDataSource(tableName, DataSourceFactory.AUTOMATIC_OPENING);

            setData(ds, xFieldIndex, yFieldIndex);

        } catch (NoSuchTableException e) {

            throw new RuntimeException(e);

        } catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {

            throw new RuntimeException(e);

        } catch (DriverLoadException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

        public int getFieldWidth(int i) throws DriverException {

                return ds.getFieldWidth(i);

        }

        public Rectangle2D getShapeBounds(int index) throws IOException {

                return getShape(index).getBounds2D();

        }

        public int getShapeType(int index) {

                return getShape(index).getGeometryType();

        }

        public boolean isWritable() {

                return true;

        }

        public void reloaded(DataSource dataSource) {

                this.fullExtent = null;

        }

        public void reload() throws IOException, DriverException{

                this.ds.reload();

        }

}